Cheap flights from Chicago to Buffalo

One-way fares from $92 · CHI → BUF · prices found by travellers in the last 48 hours

Cheapest fare
$92

American Airlines · Thu, Nov 12

Cheapest month
November

from $92

Direct flights
Yes

American Airlines and United Airlines

Flight time
1h 37m

730 km

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Cheapest month to fly from Chicago to Buffalo

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $92

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

American Airlines
Depart15:19 Thu, Nov 12ORD → BUF 1h 46m · Direct
$92one way, per person
View deal
American Airlines
Depart08:00 Fri, Nov 13ORD → BUF 1h 48m · Direct
$94one way, per person
View deal
American Airlines
Depart19:00 Sun, Nov 8ORD → BUF 1h 37m · Direct
$112one way, per person
View deal
Frontier Airlines
Depart09:51 Sun, Nov 15ORD → BUF 5h 43m · 1 stop
$180one way, per person
View deal
Frontier Airlines
Depart06:16 Wed, Nov 4MDW → BUF 4h 23m · 1 stop
$190one way, per person
View deal
United Airlines
Depart06:50 Tue, Nov 10ORD → BUF 1h 52m · Direct
$218one way, per person
View deal
United Airlines
Depart14:17 Sat, Nov 14ORD → BUF 1h 51m · Direct
$229one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Buffalo

Where to stay, what to do and getting around, from our travel partners.

About flights from Chicago to Buffalo

Chicago (CHI) and Buffalo (BUF) are about 730 km apart. Direct flights take around 1h 37m, and recent direct fares were with American Airlines and United Airlines. Over the next few months, one-way fares start from $92, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Chicago to Buffalo?

The cheapest one-way fare we've seen recently is $92 with American Airlines, departing Thursday, November 12, 2026.

What is the cheapest month to fly from Chicago to Buffalo?

November 2026 currently has the lowest fares, from $92 one way.

Are there direct flights from Chicago to Buffalo?

Yes. Recent direct fares were with American Airlines and United Airlines.

How long is the flight from Chicago to Buffalo?

A direct flight takes about 1h 37m. Chicago and Buffalo are around 730 km apart.

Which airlines fly from Chicago to Buffalo?

Recent fares on this route were with American Airlines, Frontier Airlines and United Airlines.

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