Cheap flights from Chicago to South Central Montana

View AU$146 flight on Sat, 20 Sep. 2025Opens in a new window

Popular airlines from Chicago to South Central Montana

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Chicago (CHI) to South Central Montana (BIL)

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
Fri, 5 Sep. - Thu, 11 Sep.
ORD
Chicago
BZN
Bozeman
AU$305 Return, found 1 day ago
AU$305
Return
found 1 day ago
Select American Airlines flight, departing Fri, 5 Sep. from Chicago to Bozeman, returning Thu, 11 Sep., priced at AU$305 found 1 day ago
American Airlines
Fri, 5 Sep. - Thu, 11 Sep.
ORD
Chicago
BZN
Bozeman
AU$320 Return, found 1 day ago
AU$320
Return
found 1 day ago
Select American Airlines flight, departing Fri, 5 Sep. from Chicago to Bozeman, returning Thu, 11 Sep., priced at AU$320 found 1 day ago
Delta
Fri, 5 Sep. - Thu, 11 Sep.
ORD
Chicago
BZN
Bozeman
AU$387 Return, found 1 day ago
AU$387
Return
found 1 day ago
Select Delta flight, departing Fri, 5 Sep. from Chicago to Bozeman, returning Thu, 11 Sep., priced at AU$387 found 1 day ago
United
Fri, 5 Sep. - Thu, 11 Sep.
ORD
Chicago
BZN
Bozeman
AU$412 Return, found 1 day ago
AU$412
Return
found 1 day ago
Select United flight, departing Fri, 5 Sep. from Chicago to Bozeman, returning Thu, 11 Sep., priced at AU$412 found 1 day ago
Alaska Airlines
Fri, 5 Sep. - Thu, 11 Sep.
ORD
Chicago
BZN
Bozeman
AU$418 Return, found 1 day ago
AU$418
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 5 Sep. from Chicago to Bozeman, returning Thu, 11 Sep., priced at AU$418 found 1 day ago
Hawaiian Airlines
Fri, 26 Dec. - Tue, 6 Jan.
ORD
Chicago
BZN
Bozeman
AU$963 Return, found 5 days ago
AU$963
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Fri, 26 Dec. from Chicago to Bozeman, returning Tue, 6 Jan., priced at AU$963 found 5 days ago

Find the cheapest month to fly from Chicago (CHI) to Bozeman (BZN)

August is typically the cheapest month to fly

From AU$259 - AU$936 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.