Cheap flights from Buffalo to Northwest Chicago

View AU$135 flight on Wed, 27 Aug. 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
Sat, 20 Sep. - Tue, 23 Sep.
BUF
Buffalo
ORD
Chicago
AU$270 Return, found 9 hours ago
AU$270
Return
found 9 hours ago
Select American Airlines flight, departing Sat, 20 Sep. from Buffalo to Chicago, returning Tue, 23 Sep., priced at AU$270 found 9 hours ago
Delta
Sat, 20 Sep. - Tue, 23 Sep.
BUF
Buffalo
MDW
Chicago
AU$299 Return, found 9 hours ago
AU$299
Return
found 9 hours ago
Select Delta flight, departing Sat, 20 Sep. from Buffalo to Chicago, returning Tue, 23 Sep., priced at AU$299 found 9 hours ago
Delta
Sat, 20 Sep. - Tue, 23 Sep.
BUF
Buffalo
ORD
Chicago
AU$299 Return, found 9 hours ago
AU$299
Return
found 9 hours ago
Select Delta flight, departing Sat, 20 Sep. from Buffalo to Chicago, returning Tue, 23 Sep., priced at AU$299 found 9 hours ago
American Airlines
Sat, 20 Sep. - Tue, 23 Sep.
BUF
Buffalo
ORD
Chicago
AU$330 Return, found 9 hours ago
AU$330
Return
found 9 hours ago
Select American Airlines flight, departing Sat, 20 Sep. from Buffalo to Chicago, returning Tue, 23 Sep., priced at AU$330 found 9 hours 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
United
Sat, 20 Sep. - Tue, 23 Sep.
BUF
Buffalo
ORD
Chicago
AU$353 Return, found 9 hours ago
AU$353
Return
found 9 hours ago
Select United flight, departing Sat, 20 Sep. from Buffalo to Chicago, returning Tue, 23 Sep., priced at AU$353 found 9 hours 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.