Cheap flights from St. Louis to Southern Idaho

View AU$303 flight on Fri, 5 Sep. 2025Opens in a new window

Popular airlines from St. Louis to Southern Idaho

  • 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 St. Louis (STL) to Southern Idaho (IDA)

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
Mon, 8 Sep. - Tue, 9 Sep.
STL
St. Louis
JAC
Jackson
AU$515 Return, found 6 days ago
AU$515
Return
found 6 days ago
Select American Airlines flight, departing Mon, 8 Sep. from St. Louis to Jackson, returning Tue, 9 Sep., priced at AU$515 found 6 days ago
American Airlines
Mon, 8 Sep. - Tue, 9 Sep.
STL
St. Louis
JAC
Jackson
AU$544 Return, found 6 days ago
AU$544
Return
found 6 days ago
Select American Airlines flight, departing Mon, 8 Sep. from St. Louis to Jackson, returning Tue, 9 Sep., priced at AU$544 found 6 days ago
American Airlines
Mon, 8 Sep. - Tue, 9 Sep.
STL
St. Louis
JAC
Jackson
AU$578 Return, found 6 days ago
AU$578
Return
found 6 days ago
Select American Airlines flight, departing Mon, 8 Sep. from St. Louis to Jackson, returning Tue, 9 Sep., priced at AU$578 found 6 days ago
Delta
Mon, 8 Sep. - Tue, 9 Sep.
STL
St. Louis
JAC
Jackson
AU$604 Return, found 6 days ago
AU$604
Return
found 6 days ago
Select Delta flight, departing Mon, 8 Sep. from St. Louis to Jackson, returning Tue, 9 Sep., priced at AU$604 found 6 days ago
American Airlines
Mon, 8 Sep. - Tue, 9 Sep.
STL
St. Louis
JAC
Jackson
AU$633 Return, found 6 days ago
AU$633
Return
found 6 days ago
Select American Airlines flight, departing Mon, 8 Sep. from St. Louis to Jackson, returning Tue, 9 Sep., priced at AU$633 found 6 days ago
Delta
Mon, 8 Sep. - Tue, 9 Sep.
STL
St. Louis
JAC
Jackson
AU$640 Return, found 6 days ago
AU$640
Return
found 6 days ago
Select Delta flight, departing Mon, 8 Sep. from St. Louis to Jackson, returning Tue, 9 Sep., priced at AU$640 found 6 days ago
United
Mon, 8 Sep. - Tue, 9 Sep.
STL
St. Louis
JAC
Jackson
AU$701 Return, found 6 days ago
AU$701
Return
found 6 days ago
Select United flight, departing Mon, 8 Sep. from St. Louis to Jackson, returning Tue, 9 Sep., priced at AU$701 found 6 days ago

Find the cheapest month to fly from St. Louis (STL) to Boise (BOI)

November is typically the cheapest month to fly

From AU$277 - AU$1,055 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.