$46 Cheap American Airlines flights Buffalo (BUF) to Chicago (ORD)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap American Airlines round-trip flights from $91 from BUF to ORD. Affordable one-way options from $46 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the cheapest months to travel to Chicago with American Airlines. You could also find excellent prices on return and one-way fares in February.

Begin your search one to three months ahead of your travel date to score cheaper fares on American Airlines flights from Buffalo Niagara Intl. Airport (BUF) to O’Hare Intl. Airport (ORD). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Yes, you can travel from Buffalo Niagara Intl. Airport (BUF) to O’Hare Intl. Airport (ORD) on any of American Airlines’s 14 weekly direct flights. Use Expedia’s “Nonstop” and “Airline” filters to find the American Airlines flight that’ll land at ORD at a time that suits you.

From takeoff till touchdown, a direct American Airlines flight from Buffalo Niagara Intl. Airport (BUF) to O’Hare Intl. Airport (ORD) takes around 2h.

American Airlines has the most flights from Buffalo Niagara Intl. Airport (BUF) to O’Hare Intl. Airport (ORD) on Wednesday. With up to 2 daily departures, you’ll get the most choice and flexibility on this day.

Leaving BUF at 7:54AM UTC-5, the earliest American Airlines flight to ORD arrives at 8:54AM UTC-6. Flying early means you’ll be less likely to encounter delays.* Prefer a later start? The last American Airlines flight from BUF to ORD departs at 3:05PM UTC-5 and touches down at 4:05PM UTC-6.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Many American Airlines flights from Buffalo Niagara Intl. Airport (BUF) to Chicago arrive at O’Hare Intl. Airport (ORD). This is the airline’s main entry point here. It’s also worth browsing Expedia for flights to nearby airports such as Midway Intl. Airport (MDW), as fares may be cheaper.

Take an American Airlines flight from Buffalo Niagara Intl. Airport (BUF) to O’Hare Intl. Airport (ORD), and you’ll likely be flying on an Embraer 170. Keep in mind though, that the aircraft type can change depending on operational needs.

Changes are typically free within 24 hours of making a booking, but your airline may charge a fee after that time. For more details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to change your plans without being charged, check the “Changes included” and “No cancel fee” filters when planning your next break.