Cheap flights from Buffalo to Chicago
From 232 USD — compare hundreds of airlines
About this route
Compare flights from Buffalo to Chicago, a about 727 km route (around 1h 25m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, United Airlines, Silk Avia operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly Buffalo to Chicago?
It's usually 2026-07, from 134 USD. Use the price calendar to compare other dates.
How long is the flight from Buffalo to Chicago?
A nonstop flight takes about 1h 25m and covers around 727 km. Connecting itineraries take longer.
Are there direct flights from Buffalo to Chicago?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Buffalo to Chicago?
American Airlines, United Airlines, Silk Avia, Southwest Airlines operate this route, among others. Compare them all in the results.
When should I book Buffalo–Chicago flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.