Cheap flights from Boise to Western United States

View AU$100 flight on Mon, 25 Aug. 2025Opens in a new window

Popular airlines from Boise to Western United States

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Boise (BOI) to Western United States (QLA)

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.

Hawaiian Airlines
Wed, 1 Oct. - Tue, 21 Oct.
BOI
Boise
PHX
Phoenix
AU$208 Return, found 2 days ago
AU$208
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, 1 Oct. from Boise to Phoenix, returning Tue, 21 Oct., priced at AU$208 found 2 days ago
Alaska Airlines
Thu, 30 Oct. - Tue, 18 Nov.
BOI
Boise
PHX
Phoenix
AU$223 Return, found 2 days ago
AU$223
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 30 Oct. from Boise to Phoenix, returning Tue, 18 Nov., priced at AU$223 found 2 days ago
Alaska Airlines
Sat, 6 Sep. - Sat, 13 Sep.
BOI
Boise
SFO
San Francisco
AU$226 Return, found 5 days ago
AU$226
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 6 Sep. from Boise to San Francisco, returning Sat, 13 Sep., priced at AU$226 found 5 days ago
Delta
Mon, 3 Nov. - Tue, 18 Nov.
BOI
Boise
PHX
Phoenix
AU$238 Return, found 2 days ago
AU$238
Return
found 2 days ago
Select Delta flight, departing Mon, 3 Nov. from Boise to Phoenix, returning Tue, 18 Nov., priced at AU$238 found 2 days ago
United
Sat, 6 Sep. - Sat, 13 Sep.
BOI
Boise
SFO
San Francisco
AU$280 Return, found 5 days ago
AU$280
Return
found 5 days ago
Select United flight, departing Sat, 6 Sep. from Boise to San Francisco, returning Sat, 13 Sep., priced at AU$280 found 5 days ago
American Airlines
Fri, 23 Jan. - Sat, 24 Jan.
BOI
Boise
PHX
Phoenix
AU$301 Return, found 2 days ago
AU$301
Return
found 2 days ago
Select American Airlines flight, departing Fri, 23 Jan. from Boise to Phoenix, returning Sat, 24 Jan., priced at AU$301 found 2 days ago

Find the cheapest month to fly from Boise (BOI) to Los Angeles (LAX)

August is typically the cheapest month to fly

From AU$132 - AU$324 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.