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

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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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.

American Airlines
Tue, 12 Aug. - Fri, 15 Aug.
BUF
Buffalo
ORD
Chicago
AU$352 Return, found 3 days ago
AU$352
Return
found 3 days ago
Select American Airlines flight, departing Tue, 12 Aug. from Buffalo to Chicago, returning Fri, 15 Aug., priced at AU$352 found 3 days ago
United
Tue, 12 Aug. - Fri, 15 Aug.
BUF
Buffalo
ORD
Chicago
AU$383 Return, found 3 days ago
AU$383
Return
found 3 days ago
Select United flight, departing Tue, 12 Aug. from Buffalo to Chicago, returning Fri, 15 Aug., priced at AU$383 found 3 days ago
American Airlines
Tue, 12 Aug. - Fri, 15 Aug.
BUF
Buffalo
ORD
Chicago
AU$399 Return, found 3 days ago
AU$399
Return
found 3 days ago
Select American Airlines flight, departing Tue, 12 Aug. from Buffalo to Chicago, returning Fri, 15 Aug., priced at AU$399 found 3 days ago
Delta
Tue, 12 Aug. - Fri, 15 Aug.
BUF
Buffalo
MDW
Chicago
AU$400 Return, found 3 days ago
AU$400
Return
found 3 days ago
Select Delta flight, departing Tue, 12 Aug. from Buffalo to Chicago, returning Fri, 15 Aug., priced at AU$400 found 3 days ago
American Airlines
Tue, 12 Aug. - Fri, 15 Aug.
BUF
Buffalo
ORD
Chicago
AU$401 Return, found 3 days ago
AU$401
Return
found 3 days ago
Select American Airlines flight, departing Tue, 12 Aug. from Buffalo to Chicago, returning Fri, 15 Aug., priced at AU$401 found 3 days ago
American Airlines
Tue, 12 Aug. - Fri, 15 Aug.
BUF
Buffalo
ORD
Chicago
AU$410 Return, found 3 days ago
AU$410
Return
found 3 days ago
Select American Airlines flight, departing Tue, 12 Aug. from Buffalo to Chicago, returning Fri, 15 Aug., priced at AU$410 found 3 days 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.