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

Use the “Price (lowest to highest)” filter on Expedia to find cheap American Airlines return flights from $91 from ORD to BUF. Affordable one-way options from $46 are available as well.**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.

American Airlines flights to Buffalo are typically more affordable in the quieter months of January and February. Whether you need a return or one-way ticket, you could find a better deal then.

To find cheap American Airlines fares from O’Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall price. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Jet off on one of American Airlines’s 14 weekly direct flights from O’Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF). To see what’s available, enter your origin, destination and dates and hit search. Next, apply the “Nonstop” and “Airline” filters.

From takeoff to touchdown, a nonstop American Airlines flight from O’Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF) takes around 1h 42m.

Thursday has the most American Airlines flights from O’Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF). With 2 daily departures, this is the best day to book something that will suit your schedule.

The earliest flight from ORD to BUF with American Airlines leaves at 9:00AM UTC-6. You’ll land at 11:46AM UTC-5. The last American Airlines flight of the day leaves at 5:45PM UTC-6 and arrives at 8:24PM UTC-5. With approximately 20% fewer cancellations for early and mid-morning flights, starting your travel day early is usually the best choice.**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.

Buffalo Niagara Intl. Airport (BUF) is the primary Buffalo gateway for American Airlines flights from O’Hare Intl. Airport (ORD).

American Airlines generally operates Embraer 170 planes for journeys from O’Hare Intl. Airport (ORD) to Buffalo Niagara Intl. Airport (BUF). Remember that aircraft type can change depending on operational requirements, so the plane you’ll be on might be different on the day.

It’s generally possible to cancel or modify your flight, although there may be a charge if your booking was made over 24 hours ago. Prefer to keep your options open? Use Expedia’s “No cancel fee” or “Changes included” filter to find flights that won’t penalize you if you need to revise your plans. To make changes, head to “Trips,” select your flight and click on “Manage Booking” for more details.