Cheap flights from Salt Lake City to Southwest Idaho

View AU$253 flight on Wed, 17 Sep. 2025Opens in a new window

Popular airlines from Salt Lake City to Southwest 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 Salt Lake City (SLC) to Southwest Idaho (BOI)

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.

Delta
Wed, 27 Aug. - Sun, 31 Aug.
SLC
Salt Lake City
BOI
Boise
AU$399 Return, found 5 days ago
AU$399
Return
found 5 days ago
Select Delta flight, departing Wed, 27 Aug. from Salt Lake City to Boise, returning Sun, 31 Aug., priced at AU$399 found 5 days ago
Alaska Airlines
Wed, 27 Aug. - Sun, 31 Aug.
SLC
Salt Lake City
BOI
Boise
AU$466 Return, found 5 days ago
AU$466
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 27 Aug. from Salt Lake City to Boise, returning Sun, 31 Aug., priced at AU$466 found 5 days ago
Alaska Airlines
Wed, 27 Aug. - Sun, 31 Aug.
SLC
Salt Lake City
BOI
Boise
AU$497 Return, found 5 days ago
AU$497
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 27 Aug. from Salt Lake City to Boise, returning Sun, 31 Aug., priced at AU$497 found 5 days ago
Alaska Airlines
Wed, 27 Aug. - Sun, 31 Aug.
SLC
Salt Lake City
BOI
Boise
AU$510 Return, found 5 days ago
AU$510
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 27 Aug. from Salt Lake City to Boise, returning Sun, 31 Aug., priced at AU$510 found 5 days ago
United
Wed, 27 Aug. - Sun, 31 Aug.
SLC
Salt Lake City
BOI
Boise
AU$546 Return, found 5 days ago
AU$546
Return
found 5 days ago
Select United flight, departing Wed, 27 Aug. from Salt Lake City to Boise, returning Sun, 31 Aug., priced at AU$546 found 5 days ago
American Airlines
Tue, 19 Aug. - Fri, 22 Aug.
SLC
Salt Lake City
BOI
Boise
AU$847 Return, found 1 hour ago
AU$847
Return
found 1 hour ago
Select American Airlines flight, departing Tue, 19 Aug. from Salt Lake City to Boise, returning Fri, 22 Aug., priced at AU$847 found 1 hour ago

Find the cheapest month to fly from Salt Lake City (SLC) to Boise (BOI)

August is typically the cheapest month to fly

From AU$131 - AU$628 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.