$80 Cheap Flights from Buffalo (BUF) to Chicago (ORD)

View $80 flight on Mon, Oct 27, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Chicago O'Hare Intl. Airport (ORD)

Cheap Flights from Buffalo to Chicago (BUF-ORD)

Prices were available within the past 7 days and start at $80 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Oct 30 - Sat, Nov 1
BUF
Buffalo
ORD
Chicago
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Oct 30 from Buffalo to Chicago, returning Sat, Nov 1, priced at $160 just found
Frontier Airlines
Fri, Oct 31 - Sun, Nov 2
BUF
Buffalo
ORD
Chicago
$173 Roundtrip, just found
$173
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 31 from Buffalo to Chicago, returning Sun, Nov 2, priced at $173 just found
Frontier Airlines
Mon, Oct 27 - Wed, Oct 29
BUF
Buffalo
ORD
Chicago
$184 Roundtrip, found 3 days ago
$184
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Oct 27 from Buffalo to Chicago, returning Wed, Oct 29, priced at $184 found 3 days ago
JetBlue Airways
Tue, Oct 28 - Thu, Nov 6
BUF
Buffalo
ORD
Chicago
$187 Roundtrip, just found
$187
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, Oct 28 from Buffalo to Chicago, returning Thu, Nov 6, priced at $187 just found
Frontier Airlines
Thu, Oct 30 - Sun, Nov 2
BUF
Buffalo
ORD
Chicago
$189 Roundtrip, found 5 hours ago
$189
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Oct 30 from Buffalo to Chicago, returning Sun, Nov 2, priced at $189 found 5 hours ago
JetBlue Airways
Wed, Oct 29 - Sun, Nov 2
BUF
Buffalo
ORD
Chicago
$193 Roundtrip, found 1 day ago
$193
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Oct 29 from Buffalo to Chicago, returning Sun, Nov 2, priced at $193 found 1 day ago
JetBlue Airways
Tue, Oct 28 - Tue, Nov 4
BUF
Buffalo
ORD
Chicago
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Oct 28 from Buffalo to Chicago, returning Tue, Nov 4, priced at $195 found 6 days ago
Delta
Fri, Oct 31 - Mon, Nov 3
BUF
Buffalo
ORD
Chicago
$206 Roundtrip, found 2 days ago
$206
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 31 from Buffalo to Chicago, returning Mon, Nov 3, priced at $206 found 2 days ago
American Airlines
Fri, Oct 31 - Mon, Nov 3
BUF
Buffalo
ORD
Chicago
$213 Roundtrip, found 2 days ago
$213
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 31 from Buffalo to Chicago, returning Mon, Nov 3, priced at $213 found 2 days ago
United
Tue, Jan 20 - Thu, Jan 22
BUF
Buffalo
ORD
Chicago
$220 Roundtrip, found 3 hours ago
$220
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Jan 20 from Buffalo to Chicago, returning Thu, Jan 22, priced at $220 found 3 hours ago

Find the cheapest month to fly from Buffalo (BUF) to Chicago (ORD)

June is typically the cheapest month to fly

From $84 - $486 per traveler.

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 $367
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $367

Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD) cost?
Get a cheap one-way flight from $80 or cheap return flight from $160 from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
Traveling in October is a great way to save, as it's the cheapest month for flights between BUF and ORD. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
Board a nonstop flight with United Airlines and travel straight from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD).
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
The cheapest airline to offer flights between Buffalo Niagara Intl. Airport (BUF) and O'Hare Intl. Airport (ORD) can vary based on when you plan to fly. American Airlines and United Airlines are just some well-known options offering reasonable prices. Use Expedia's filters to compare airlines in one place and find the right BUF to ORD flight that fits your budget.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
When jetting out of Buffalo Niagara Intl. Airport (BUF), you can take your pick from an average of 4 daily nonstop flights to O'Hare Intl. Airport (ORD).
What are the most popular departure times for flights from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
The 5 PM departures from BUF to ORD are the top choice for many travelers. These flights can come with a higher price due to their popularity. If you want to save money, choose a less crowded time to fly.
What day of the week has the most flights from BUF to ORD?
Jet off on a Friday if you're searching for the best selection of flights from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD).
What is the earliest flight from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
Take the earliest flight at around 7:00AM UTC-5, leaving from Buffalo Niagara Intl. Airport (BUF). You'll be traveling for roughly 2h 3m, touching down at O'Hare Intl. Airport (ORD) at approximately 8:03AM UTC-6.
How long does it take to fly from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
It takes approximately 2 hours and 4 minutes to fly the 470 mi from BUF to ORD.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
To avoid potential delays on the Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chicago from Buffalo Niagara Intl. Airport (BUF)?
You can land at O'Hare Intl. Airport (ORD) or Midway Intl. Airport (MDW) when you travel to Chicago on a direct flight from Buffalo Niagara Intl. Airport (BUF).
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD) last-minute?
Waiting until just before your departure to book your flight from BUF to ORD generally means paying more. While it's possible to find some last-minute deals, they're not always guaranteed. Be flexible with your itinerary to boost your chances of landing a bargain.
Is it cheaper to book a BUF to ORD flight and hotel package?
Compared with arranging hotels and flights separately, booking a BUF to ORD flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to O'Hare Intl. Airport (ORD)?
If you reserved your BUF to ORD flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Travel information

0
Origin airport
Buffalo Niagara Intl.
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$160
Distance
471 mi

Book with confidence

Book with confidence

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 October. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $80 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. 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.

 

Buffalo to Chicago Flights

Explore a world of travel with Expedia

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*Available to One Key members.