--- title: "Buffalo to Chicago cheap flights from $111 (BUF to ORD) - Expedia" description: "Cheap Flights from Buffalo (BUF) to Chicago (ORD) start at $111 for one-way and $220 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/buf/ord/buffalo-to-chicago" language: en-US market: US currency: USD prices_as_of: 2026-11-15T00:13:10Z --- # $111 Cheap Flights from Buffalo (BUF) to Chicago (ORD) ![A spacious airport terminal with high ceilings, check-in counters, and a Starbucks coffee shop.](https://images.trvl-media.com/place/4477519/cc6a7387-1e55-4f8e-ba5c-f5a71df2aef3.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $111 flight on Wed, Dec 9, 2026](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/9/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:110.58&airProductToken=AQpgCi4IxnISBDE0MDcYgS0g4Fwo56yfAzD-rZ8DOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDE1OTUY4Fwgrhwop7CfAzCwsZ8DOEVAAVgBagRQQ18xcgdSMjFPWFA0EgoIARABGAEqAkY5GAEiBAgBEAEoAigDKAQwDQ) Photo by by O'Hare Intl Airport ## Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Chicago O'Hare Intl. Airport (ORD) [American Airlines](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:11/29/2026TANYT&leg2=from:ORD,to:BUF,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) [Delta](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:11/29/2026TANYT&leg2=from:ORD,to:BUF,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) [United](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:11/29/2026TANYT&leg2=from:ORD,to:BUF,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) [JetBlue Airways](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:11/29/2026TANYT&leg2=from:ORD,to:BUF,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) [Frontier Airlines](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:11/29/2026TANYT&leg2=from:ORD,to:BUF,departure:12/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) ### Be in the know Get alerts if flight prices drop or rise\* ### Book smarter Save up to 30% on select hotels after you book a flight\* ### Earn twice Earn your airline miles on top of our OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Buffalo to Chicago (BUF-ORD) Prices were available within the past 7 days and start at $111 for one-way flights and $220 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Frontier Airlines flight, departing Wed, Dec 9 from Buffalo to Chicago, returning Wed, Dec 16, priced at $220 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/9/2026TANYT&leg2=from:ORD,to:BUF,departure:12/16/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:219.97&airProductToken=AQpCCh8IxnISBDE0MDcYgS0g4Fwo56yfAzD-rZ8DOFJAAFgBCh8IxnISBDE1OTUY4Fwgrhwop7CfAzCwsZ8DOFJAAVgBCkIKHwjGchIEMzA0NBiuHCDMcCj8%5FZ8DMLH%5FnwM4UkAAWAEKHwjGchIEMTY5MhjMcCCBLSjHh6ADMPCIoAM4UkABWAESCggBEAEYASoCRjkYASIECAEQASgEMAE) Wed, Dec 9 - Wed, Dec 16 · BUF · ORD · Roundtrip [Select Frontier Airlines flight, departing Wed, Dec 2 from Buffalo to Chicago, returning Wed, Dec 16, priced at $240 Found 22 hours ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/2/2026TANYT&leg2=from:ORD,to:BUF,departure:12/16/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:239.98&airProductToken=AQpCCh8IxnISBDE0MDcYgS0g4Fwoh96eAzCU354DOEdAAFgBCh8IxnISBDE1OTUY4FwgrhwosOGeAzC34p4DOEdAAVgBCkIKHwjGchIEMzA0NBiuHCDMcCj8%5FZ8DMLH%5FnwM4UkAAWAEKHwjGchIEMTY5MhjMcCCBLSjHh6ADMPCIoAM4UkABWAESCggBEAEYASoCRjkYASIECAEQASgEMAE) Wed, Dec 2 - Wed, Dec 16 · BUF · ORD · Roundtrip [Select Frontier Airlines flight, departing Wed, Dec 9 from Buffalo to Chicago, returning Fri, Dec 11, priced at $250 Found 10 hours ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/9/2026TANYT&leg2=from:ORD,to:BUF,departure:12/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:249.96&airProductToken=AQpgCi4IxnISBDE0MDcYgS0g4Fwo56yfAzD-rZ8DOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDE1OTUY4Fwgrhwop7CfAzCwsZ8DOEVAAVgBagRQQ18xcgdSMjFPWFA0CmAKLgjGchIEMTkwMRiuHCDMcCiXwJ8DMMXBnwM4RUAAWAFqBFBDXzFyB0MyMVBYUDQKLgjGchIEMTY5MhjMcCCBLSiSwp8DMLvDnwM4RUABWAFqBFBDXzFyB0MyMVBYUDQSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Wed, Dec 9 - Fri, Dec 11 · BUF · ORD · Roundtrip [Select Frontier Airlines flight, departing Wed, Dec 16 from Buffalo to Chicago, returning Wed, Dec 23, priced at $259 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/16/2026TANYT&leg2=from:ORD,to:BUF,departure:12/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:258.96&airProductToken=AQpgCi4IxnISBDE0MDcYgS0g4Fwox%5FufAzDe%5FJ8DOEVAAFgBagRQQ18xcgdSMjFPWFA0Ci4IxnISBDE1OTUY4Fwgrhwoh%5F-fAzCQgKADOEVAAVgBagRQQ18xcgdSMjFPWFA0CmAKLgjGchIEMTU5NhiuHCDgXCiux6ADMMjIoAM4RUAAWAFqBFBDXzFyB0cyMVZYUDUKLgjGchIEMTQwOBjgXCCBLSjUyqADMNXLoAM4RUABWAFqBFBDXzFyB0cyMVZYUDUSCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Wed, Dec 16 - Wed, Dec 23 · BUF · ORD · Roundtrip [Select Frontier Airlines flight, departing Tue, Dec 22 from Buffalo to Chicago, returning Wed, Dec 23, priced at $260 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/22/2026TANYT&leg2=from:ORD,to:BUF,departure:12/23/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:259.96&airProductToken=AQpgCi4IxnISBDE2OTEYgS0gzHAox8GgAzD%5FwqADOEVAAFgBagRQQ18xcgdHMjFaWFA0Ci4IxnISBDEzNDkYzHAgrhwozcOgAzCMxaADOEVAAVgBagRQQ18xcgdHMjFaWFA0CmAKLgjGchIEMTU5NhiuHCDgXCiux6ADMMjIoAM4RUAAWAFqBFBDXzFyB0cyMU9YUDIKLgjGchIEMTQwOBjgXCCBLSjUyqADMNXLoAM4RUABWAFqBFBDXzFyB0cyMU9YUDISCggBEAEYASoCRjkYASIECAEQASgCKAMoBDAN) Tue, Dec 22 - Wed, Dec 23 · BUF · ORD · Roundtrip [Select Frontier Airlines flight, departing Wed, Dec 16 from Buffalo to Chicago, returning Fri, Dec 18, priced at $280 Found 3 hours ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/16/2026TANYT&leg2=from:ORD,to:BUF,departure:12/18/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:279.98&airProductToken=AQpeCi0IxnISBDE0MDcYgS0g4Fwox%5FufAzDe%5FJ8DOFJAAFgBagNFQ09yB1IyMU9YUDQKLQjGchIEMTU5NRjgXCCuHCiH%5F58DMJCAoAM4UkABWAFqA0VDT3IHUjIxT1hQNApeCi0IxnISBDE1OTYYrhwg4Fwojo-gAzCokKADOFFAAFgBagNFQ09yB1ExNFBYUDQKLQjGchIEMTQwOBjgXCCBLSiVk6ADMJiUoAM4UUABWAFqA0VDT3IHUTE0UFhQNBIKCAEQARgBKgJGORgBIgQIARABKAIoAygEMAE) Wed, Dec 16 - Fri, Dec 18 · BUF · ORD · Roundtrip [Select American Airlines flight, departing Wed, Dec 23 from Buffalo to Chicago, returning Wed, Dec 30, priced at $315 Found 3 days ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/23/2026TANYT&leg2=from:ORD,to:BUF,departure:12/30/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:314.98&airProductToken=AQozCjEIwYIBEgQ0NDQ3GIEtIK4cKI3HoAMwqMigAzhCQABYAWoFQkFTSUNyCFFWQUlVU0JaEgwIARABGAEqAkFBMgAYASIECAEQASgCKAMoBDAL) Wed, Dec 23 - Wed, Dec 30 · BUF · ORD · Roundtrip [Select Delta flight, departing Wed, Dec 9 from Buffalo to Chicago, returning Fri, Dec 11, priced at $330 Found 10 hours ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:12/9/2026TANYT&leg2=from:ORD,to:BUF,departure:12/11/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:329.18&airProductToken=AQpuCjUIxJgBEgQ1Mjk2GIEtIKlRKOStnwMwxa6fAzhFQABYAWoJTUFJTkJBU0lDcghYQVZTQzJCQwo1CMSYARIENTYxMRipUSCuHCjkr58DMJixnwM4RUABWAFqCU1BSU5CQVNJQ3IIWEFWU0MyQkMSCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) Wed, Dec 9 - Fri, Dec 11 · BUF · ORD · Roundtrip [Select United flight, departing Wed, Feb 3 from Buffalo to Chicago, returning Tue, Feb 16, priced at $349 Found 10 hours ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:2/3/2027TANYT&leg2=from:ORD,to:BUF,departure:2/16/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:348.80&airProductToken=AQo4CjYI1YIBEgQ1MjMxGIEtIK4cKPOkpAMwgaakAzhOQABYAWoKMV9iYXNpY2Vjb3IIU0FVMkFLQlMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) Wed, Feb 3 - Tue, Feb 16 · BUF · ORD · Roundtrip [Select JetBlue Airways flight, departing Mon, Feb 1 from Buffalo to Chicago, returning Thu, Feb 4, priced at $383 Found 4 days ago](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ORD,departure:2/1/2027TANYT&leg2=from:ORD,to:BUF,departure:2/4/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:382.40&airProductToken=AQpdCi0IwmwSBDIwNDkYgS0g5Voo7oqkAzCtjKQDOExAAFgBagJETnIIUEkyUUJTWTEKLAjCbBIDODYzGOVaIK4cKIeQpAMw25GkAzhMQAFYAWoCRE5yCFBJNFFCWFkxClwKLAjCbBIDNjY0GK4cIOVaKMyrpAMwjK2kAzhMQABYAWoCRE5yCFBJNFFCWFkxCiwIwmwSAzg2NhjlWiCBLSi1sKQDMOyxpAM4TEABWAFqAkROcghQSTJRQlNZMRIKCAEQARgBKgJCNhgBIgQIARABKAIoAygEMAE) Mon, Feb 1 - Thu, Feb 4 · BUF · ORD · Roundtrip ## Alternative airports near Chicago Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $567](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:MDW,departure:11/29/2026TANYT&leg2=from:MDW,to:BUF,departure:12/1/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 16 min [Select flight to Chicago Executive PWK. Average driving time to city center is 31 minutes.](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:PWK,departure:11/29/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 31 min · Search flights [Select flight to Kenosha Regional ENW. Average driving time to city center is 1 hour 11 minutes.](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:ENW,departure:11/29/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 1 h 11 min · Search flights [Select flight to Dupage DPA. Average driving time to city center is 50 minutes.](https://www.expedia.com/Flights-Search?leg1=from:BUF,to:DPA,departure:11/29/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 50 min · Search flights ## Find the cheapest month to fly from Buffalo (BUF) to Chicago (ORD) ### December is typically the cheapest month to fly From $236 - $547 per traveler. View flights in December Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ. ## Book with confidence ### Buffalo (BUF) to Chicago (ORD) at a glance Travel from Buffalo (BUF) to Chicago (ORD) with a range of airline options available on this domestic short-haul route. You can compare weekly flights to find the itinerary that aligns with your budget and schedule as you plan your exploration of Chicago's iconic landmarks and vibrant neighborhoods. Utilize a flight finder to discover key details for your journey from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD) and secure your next flight. - **Fastest flight duration**: around 2 hours non-stop - **Route distance**: roughly 450 miles (725 km) - **Flights per week**: around 20+ flights with multiple daily departures on average - **Typical fares (one-way)**: economy tickets often range from $70–$355, depending on seasonality and how far ahead you book ### Flights from Buffalo Niagara International Airport (BUF) to O'Hare International Airport (ORD) According to recent traveler bookings, here are the top airlines favored for flights from Buffalo to Chicago, featuring both non-stop and one-stop options. Popular layover airports include Logan International Airport (BOS) with approximately a 4-hour wait, Hartsfield-Jackson Atlanta International Airport (ATL) with around a 2-hour layover, and John F. Kennedy International Airport (JFK) offering about 2 hours and 15 minutes of connection time. This allows you to explore various combinations of pricing, total travel duration, and cabin class to secure the ideal itinerary. - **[American Airlines](https://www.expedia.com/lp/flight-routes/american-airlines-from-buffalo-niagara-intl-to-ohare-intl/aa/buf/ord)**: This comprehensive carrier provides both non-stop and one-stop flights, with one-way ticket prices generally falling between $70 and $360\. It represents roughly 53% of departures on this route, with typical non-stop travel taking about 2 hours. - **[United](https://www.expedia.com/lp/flight-routes/united-from-buffalo-niagara-intl-to-ohare-intl/ua/buf/ord)**: As a full-service airline, United offers both non-stop and one-stop options, with one-way fares usually ranging from $75 to $360\. It accounts for around 41% of the departures on this route, with a standard non-stop flight duration of approximately 2 hours. - **[Frontier Airlines](https://www.expedia.com/frontier-airlines-flights.cf9.travel-guide-airlines)**: Operating as a budget-friendly airline, Frontier provides one-stop services with one-way fares that typically range from $80 to $180\. It makes up about 3% of the route's departures, featuring an in-flight duration of 4 hours and 30 minutes, leading to a total travel time of roughly 6 hours and 45 minutes, including layover. - **[JetBlue Airways](https://www.expedia.com/lp/flight-routes/jetblue-airways-from-buffalo-niagara-intl-to-ohare-intl/b6/buf/ord)**: A low-cost option, JetBlue offers one-stop services with one-way fares generally between $90 and $345\. Representing about 2% of departures on this route, travelers can expect an in-flight time of 4 hours and 30 minutes, with the overall journey lasting around 6 hours and 45 minutes, including layover. - **[Delta](https://www.expedia.com/lp/flight-routes/delta-from-buffalo-niagara-intl-to-ohare-intl/dl/buf/ord)**: This full-service airline provides one-stop flights with one-way fares typically ranging from $105 to $350\. Delta makes up around 1% of departures on this route, with a flight time of 4 hours and 30 minutes, resulting in a total journey time of approximately 6 hours and 45 minutes when including layover. Travelers flying from Buffalo to Chicago can enhance their experience by upgrading to first class, with options available from both American Airlines and United. ### Best time to fly from Buffalo (BUF) to Chicago (ORD) The most popular months for travelers flying from Buffalo to Chicago are **April, July, and August**, when peak temperatures in Chicago reach up to 73.4°F in July. If you prefer quieter travel, consider **June**, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 67.3°F. For better deals, **September** usually offers the lowest average one-way fare around **$158**. Flight availability peaks in **August**, with approximately 30 flights per week, making it easier to find convenient departure times. **January and March** have the fewest flights, with approximately 16 flights per week. - **Cheapest time to fly:** September usually offers good deals with average one-way fare around **$158**, roughly 21% cheaper than the yearly average. - **Another budget-friendly time to fly:** August typically offers an average one-way fare of around **$165**. - **Most flight options:** August has the highest number of flights from Buffalo to Chicago, with approximately **30 flights per week**, giving you more flexibility in scheduling your trip. | **Month** | **Temperature** | **Demand** | **Weekly Flights** | **Average one-way Fare** | | --------- | --------------- | --------------- | ------------------ | ------------------------ | | January | 25.7°F (-3.5°C) | Average | 16 | $223 | | February | 27.0°F (-2.8°C) | Average | 18 | $223 | | March | 37.0°F (2.8°C) | Average | 16 | $217 | | April | 46.0°F (7.8°C) | Moderately High | 19 | $217 | | May | 57.0°F (13.9°C) | Average | 24 | $192 | | June | 67.3°F (19.6°C) | Moderately Low | 24 | $205 | | July | 73.4°F (23.0°C) | Moderately High | 27 | $191 | | August | 73.0°F (22.8°C) | Moderately High | 30 | $165 | | September | 67.1°F (19.5°C) | Average | 22 | $158 | | October | 54.9°F (12.7°C) | Average | 26 | $201 | | November | 42.3°F (5.7°C) | Moderately Low | 23 | $210 | | December | 33.1°F (0.6°C) | Moderately Low | 22 | $213 | \*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand. ### Alternative route from Buffalo (BUF) to Chicago (ORD) - **Buffalo to Chicago ([BUF-MDW](https://www.expedia.com/lp/flights/buf/mdw/buffalo-to-chicago))**: Midway International Airport (MDW) is located approximately 16 miles from O'Hare International Airport (ORD). On this route, one-way economy fares generally fall between $80 and $350, influenced by the time of year and when you make your reservation. Flyers can choose from both non-stop and one-stop flights. Major airlines operating on this route include the budget-friendly Southwest Airlines and Delta. Additionally, first-class service is offered on this route. ### How to find the best prices for flights from Buffalo (BUF) to Chicago (ORD) Getting some of the best [deals on flights](https://www.expedia.com/flight-deals) from Buffalo to Chicago is all about timing and flexibility. Here are some key tips to help you save: 1. **Best times to book and fly:** cheaper fares are usually available when booking at least two months in advance, although most travelers book between two to eight weeks ahead. Morning departures from 5 a.m. to 12 p.m. tend to be the least expensive and are also the most popular times to fly. Additionally, flying on Tuesday generally offers lower prices, while Friday is the busiest travel day. 2. **Set up price alerts:** stay updated on price changes by using [Expedia's Price Tracker](https://www.expedia.com/why/price-tracking). Receive alerts when fares drop for your selected route. 3. **Bundle and save:** bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.\* 4. **Compare flight options:** use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options. 5. **Stay flexible with dates:** being open to different travel days can sometimes help you find better prices on flights and hotels. 6. **Think about luggage:** nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport. \*Members only. Savings vary and are not available on all bundles. Select hotels. ### Arriving at O'Hare International Airport from Buffalo Niagara International Airport Chicago welcomes travelers from Buffalo with a range of transport options based on price, convenience, and proximity. Here's how to reach Chicago efficiently: - **Hotel transfer:** Transfers offer a convenient way to reach your hotel in Chicago, with private rides that can be arranged in advance. - **Car rental:** Renting a car from O'Hare International Airport is a great option if you plan to explore and sightsee beyond the city. Browse [cheap car rentals at O'Hare International Airport](https://www.expedia.com/car-rentals-in-ohare-intl.d4477519.car-rental-guide) on Expedia. - **Taxi/ride-hailing:** Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival. - **Public transportation:** From O'Hare International Airport, O'Hare Station, a metro station, is located about 0.1 miles away on foot, while Rosemont Station, a train station, is approximately 2.2 miles away by car, providing convenient transport options for travelers. ### Buffalo to Chicago Flights ### The cheapest times to fly from Buffalo to Chicago On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Buffalo to Chicago are during the month of December. You can find some of the cheapest flights from Buffalo to Chicago with Expedia's search tool and vast selection of airlines. ### The best time to book a flight from Buffalo to Chicago Sunday is one of the best days to book for cheap flights from Buffalo to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. ### How to find cheap round-trip tickets from Buffalo to Chicago Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Buffalo to Chicago in 2026\. You can also book with separate airlines for your outbound and return journeys, from $111 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Buffalo to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Buffalo to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. *\*Terms apply.* *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost? You can find cheap one-way flights from $111 and cheap return flights $220 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) with Expedia. One-way flights generally range between $152 and $618, and roundtrip flights usually range from $298 to $910\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) ticket fares go up or down. *\*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.* ### What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? The cheapest month to fly from BUF to ORD is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route. ### Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? Choose from 3 airlines operating direct flights from BUF to ORD: - American Airlines operates around 44 direct flights from BUF to ORD every week - United operates around 39 direct flights from BUF to ORD every week - Japan Airlines operates around 7 direct flights from BUF to ORD every week ### What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? United is one of the cheapest airlines offering nonstop flights from Buffalo Niagara Intl. (BUF) to O'Hare Intl. (ORD), with round-trip tickets starting from around $420\. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. *\*Prices based on flights available on Expedia in the last year.* ### How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.com/why/price-tracking) and receive alerts when fares go up or down. ### What is the best airline to fly with from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? The best airline to fly with from Buffalo, NY (BUF) to Chicago, IL (ORD) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. American Airlines offers the most daily flights from BUF to ORD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access. ### What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience. ### How many flights per day from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? On average, there are around 12 nonstop flights per day from Buffalo Niagara Intl. (BUF) to O'Hare Intl. (ORD). For more options, look at flights that include layovers. ### What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? The earliest flight from Buffalo (BUF) to Chicago (ORD) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service available in December, and an early start can help you maximize your day in Chicago. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search. ### What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? The most popular departure times for flights from Buffalo (BUF) to Chicago (ORD) are in the early morning, from 6am to 9am. About 29% of passengers prefer this time window. Many major carriers, including American Airlines and Delta, offer flights during this window. This timing works well because it allows you to arrive in Chicago with a full day ahead of you. ### How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? A nonstop flight from BUF to ORD typically takes around 2 hours, covering approximately 472 miles. Connecting flights on this route usually add 3 hours 50 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? First class seats are offered on the BUF to ORD route. First class cabins are available on: - American Airlines - Delta Air Lines - United Airlines ### How much is a business class flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? A direct, return business class ticket from Buffalo, NY (BUF) to Chicago, IL (ORD) typically costs between $708 - $1,015\. A non-stop, one-way business class flight is usually around $282 - $424\. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) if you opt for a connecting flight. *\*Prices based on flights available on Expedia in the last year.* ### How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia? It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.com/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### What airports do you fly into for Chicago from Buffalo Niagara Intl. (BUF)? When traveling from Buffalo Niagara Intl. (BUF) to Chicago, you can fly into Midway Intl. (MDW) and O'Hare Intl. (ORD). Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Nashville Intl. (BNA), Orlando Intl. (MCO) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans. ### Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute? Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package? Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) [Chicago Vacation Packages](https://www.expedia.com/chicago.d178248.destination-travel-guides) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.)? If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.com/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.com/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Buffalo Niagara Intl. Airport | | ------------------- | -------------------------------------------------------------------- | | Destination airport | Chicago O'Hare Intl. Airport | | Distance | 471 miles away | | Airlines serving | American Airlines, Delta, United, JetBlue Airways, Frontier Airlines | | Popular airline | American Airlines | | Roundtrip price | $220 | | Average flight time | 2 hours 8 mins | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Myrtle Beach (MYR) to Chicago (ORD)](https://www.expedia.com/lp/flights/myr/ord/myrtle-beach-to-chicago) - [Flights from West Palm Beach (PBI) to Chicago (ORD)](https://www.expedia.com/lp/flights/pbi/ord/west-palm-beach-to-chicago) - [Flights from Hyderabad (HYD) to Chicago (ORD)](https://www.expedia.com/lp/flights/hyd/ord/hyderabad-to-chicago) - [Flights from Hartford (BDL) to Chicago (ORD)](https://www.expedia.com/lp/flights/bdl/ord/hartford-to-chicago) - [Flights from Tulsa (TUL) to Chicago (ORD)](https://www.expedia.com/lp/flights/tul/ord/tulsa-to-chicago) - [Flights from Boise (BOI) to Chicago (ORD)](https://www.expedia.com/lp/flights/boi/ord/boise-to-chicago) - 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