$100 Cheap Flights from Buffalo (BUF) to Chicago (ORD)

You can find cheap one-way flights from $100 and cheap return flights $205 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.

The cheapest month to fly from BUF to ORD is October 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.

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

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.

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 and receive alerts when fares go up or down.

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.

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.

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.

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.

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.

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.

First class seats are offered on the BUF to ORD route. First class cabins are available on:

• American Airlines
• Delta Air Lines
• United Airlines

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.

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™, 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.

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.

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.

Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Chicago, IL (ORD-O'Hare Intl.) Chicago Vacation Packages 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.

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 or confirmation email. Or, head to our Customer Service portal if you'd like more information.