Cheap flights from Buffalo to Northwest Chicago

View AU$137 flight on Sat, 13 Sep. 2025Opens in a new window

Popular airlines from Buffalo to Northwest Chicago

  • United

    United

  • American Airlines

    American Airlines

  • Delta

    Delta

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Cheap Flights from Buffalo (BUF) to Northwest Chicago (CHI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 19 Aug. - Wed, 20 Aug.
BUF
Buffalo
ORD
Chicago
AU$299 Return, found 1 day ago
AU$299
Return
found 1 day ago
Select Delta flight, departing Tue, 19 Aug. from Buffalo to Chicago, returning Wed, 20 Aug., priced at AU$299 found 1 day ago
Delta
Wed, 20 Aug. - Sat, 23 Aug.
BUF
Buffalo
ORD
Chicago
AU$331 Return, found 1 day ago
AU$331
Return
found 1 day ago
Select Delta flight, departing Wed, 20 Aug. from Buffalo to Chicago, returning Sat, 23 Aug., priced at AU$331 found 1 day ago
American Airlines
Wed, 20 Aug. - Sat, 23 Aug.
BUF
Buffalo
ORD
Chicago
AU$339 Return, found 1 day ago
AU$339
Return
found 1 day ago
Select American Airlines flight, departing Wed, 20 Aug. from Buffalo to Chicago, returning Sat, 23 Aug., priced at AU$339 found 1 day ago
American Airlines
Tue, 12 Aug. - Fri, 15 Aug.
BUF
Buffalo
ORD
Chicago
AU$352 Return, found 6 days ago
AU$352
Return
found 6 days ago
Select American Airlines flight, departing Tue, 12 Aug. from Buffalo to Chicago, returning Fri, 15 Aug., priced at AU$352 found 6 days ago
United
Tue, 19 Aug. - Sat, 23 Aug.
BUF
Buffalo
ORD
Chicago
AU$360 Return, found 1 day ago
AU$360
Return
found 1 day ago
Select United flight, departing Tue, 19 Aug. from Buffalo to Chicago, returning Sat, 23 Aug., priced at AU$360 found 1 day ago
Delta
Wed, 20 Aug. - Sun, 24 Aug.
BUF
Buffalo
ORD
Chicago
AU$373 Return, found 1 day ago
AU$373
Return
found 1 day ago
Select Delta flight, departing Wed, 20 Aug. from Buffalo to Chicago, returning Sun, 24 Aug., priced at AU$373 found 1 day ago

Find the cheapest month to fly from Buffalo (BUF) to Chicago (ORD)

June is typically the cheapest month to fly

From AU$129 - AU$457 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.