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
Sun, 14 Sep. - Sat, 20 Sep.
ORD
Chicago
BZN
Bozeman
AU$294 Return, found 1 day ago
AU$294
Return
found 1 day ago
Select American Airlines flight, departing Sun, 14 Sep. from Chicago to Bozeman, returning Sat, 20 Sep., priced at AU$294 found 1 day ago
American Airlines
Fri, 5 Sep. - Thu, 11 Sep.
ORD
Chicago
BZN
Bozeman
AU$305 Return, found 4 days ago
AU$305
Return
found 4 days ago
Select American Airlines flight, departing Fri, 5 Sep. from Chicago to Bozeman, returning Thu, 11 Sep., priced at AU$305 found 4 days ago
American Airlines
Sun, 14 Sep. - Sat, 20 Sep.
ORD
Chicago
BZN
Bozeman
AU$309 Return, found 1 day ago
AU$309
Return
found 1 day ago
Select American Airlines flight, departing Sun, 14 Sep. from Chicago to Bozeman, returning Sat, 20 Sep., priced at AU$309 found 1 day ago
Alaska Airlines
Sun, 14 Sep. - Sat, 20 Sep.
ORD
Chicago
BZN
Bozeman
AU$322 Return, found 1 day ago
AU$322
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 14 Sep. from Chicago to Bozeman, returning Sat, 20 Sep., priced at AU$322 found 1 day ago
United
Sun, 14 Sep. - Sat, 20 Sep.
ORD
Chicago
BZN
Bozeman
AU$369 Return, found 1 day ago
AU$369
Return
found 1 day ago
Select United flight, departing Sun, 14 Sep. from Chicago to Bozeman, returning Sat, 20 Sep., priced at AU$369 found 1 day ago
Delta
Fri, 5 Sep. - Thu, 11 Sep.
ORD
Chicago
BZN
Bozeman
AU$387 Return, found 4 days ago
AU$387
Return
found 4 days ago
Select Delta flight, departing Fri, 5 Sep. from Chicago to Bozeman, returning Thu, 11 Sep., priced at AU$387 found 4 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$1,003 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.