There are most likely no direct flights on the Chicago — Buffalo route
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A non-stop flight is the most convenient and comfortable way to fly from Chicago to Buffalo, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Chicago — Buffalo route
Chicago — Buffalo
08/10/2026
Departure
Direct flight
WN1502
starting at $314
Chicago — Buffalo
10/09/2026
Departure
Direct flight
UA1335
starting at $163
Chicago — Buffalo
08/08/2026
Departure
Direct flight
AA4474
starting at $242
Chicago — Buffalo
08/08/2026
Departure
Direct flight
WN4241
starting at $334
Chicago — Buffalo
08/09/2026
Departure
Direct flight
UA5763
starting at $392
Chicago — Buffalo
08/14/2026
Departure
Direct flight
WN1156
starting at $249
Chicago — Buffalo
08/16/2026
Departure
Direct flight
UA4534
starting at $308
Chicago — Buffalo
09/04/2026
Departure
Direct flight
AA4474
starting at $318
Chicago — Buffalo
10/12/2026
Departure
Direct flight
UA1335
starting at $135
Chicago — Buffalo
10/13/2026
Departure
Direct flight
AA4780
starting at $144
starting at $249
starting at $132
starting at $116
starting at $108
The route Chicago — Buffalo is served by many carriers — 4 in total, including Southwest Airlines, United Airlines, American Airlines, and Frontier Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $108) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
The cheapest one-way flight from Chicago to Buffalo departs on 10/13/2026, is operated by Frontier Airlines and costs $108
The cheapest roundtrip flight from Chicago to Buffalo departs on 12/24/2026, is operated by Southwest Airlines and costs $323
Fastest flight from Chicago to Buffalo takes 1h 39m
There are direct flights on this route 5 days a week: Su, Mo, Tu, Fr, and Sa
The distance between Chicago and Buffalo is 727km (451 miles). There are 64 direct flights from Chicago to Buffalo. The time difference between Chicago and Buffalo is 1h. Flights from Chicago begin at 6:46 AM. The latest flight from Chicago departs at 9:32 PM
The cheapest flight ticket from Chicago to Buffalo according to data for the last 48 hours costs $108
Often the best time to buy tickets from Chicago to Buffalo is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to Buffalo can be found flying in these months: October, August, September.
The fastest flights from Chicago to Buffalo start from 1 hour 39 minutes in the air.
The following airlines operate direct flights on the route Chicago — Buffalo: Southwest Airlines, United Airlines, American Airlines
In different months, ticket prices from Chicago to Buffalo vary: minimum — $108 (October 2026), maximum — $133 (September 2026). Typically, the flight costs $124–$265.
Tickets from Chicago to Buffalo cost roughly the same any month. This is convenient: you can plan your trip based on your schedule rather than prices.
There is a slight difference: it's a bit cheaper in September 2026–October 2026 (averaging $121) and slightly more in August 2026–September 2026 ($133). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 9%. Book whenever it's convenient.
Monthly price variation is just 9.3%. Ticket costs on this route are among the most predictable.
We couldn't find any special offers for flights from Chicago to Buffalo