Flights to West Boise from Phoenix - ￥11,360

View ￥11,360 flight on Sat, Aug 23, 2025Opens in a new window

Popular airlines from Phoenix to West Boise

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Phoenix to West Boise (PHX-BOI)

Prices were available within the past 7 days and start at ￥11,360 for one-way flights and ￥24,140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Aug 5 - Sun, Aug 10
PHX
Phoenix
BOI
Boise
￥24,140 Roundtrip, found 22 hours ago
￥24,140
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Aug 5 from Phoenix to Boise, returning Sun, Aug 10, priced at ￥24,140 found 22 hours ago
Delta
Tue, Aug 5 - Sun, Aug 10
PHX
Phoenix
BOI
Boise
￥28,550 Roundtrip, found 22 hours ago
￥28,550
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Aug 5 from Phoenix to Boise, returning Sun, Aug 10, priced at ￥28,550 found 22 hours ago
Delta
Tue, Aug 5 - Sun, Aug 10
PHX
Phoenix
BOI
Boise
￥32,960 Roundtrip, found 22 hours ago
￥32,960
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Aug 5 from Phoenix to Boise, returning Sun, Aug 10, priced at ￥32,960 found 22 hours ago
Delta
Tue, Aug 5 - Sun, Aug 10
PHX
Phoenix
BOI
Boise
￥33,060 Roundtrip, found 22 hours ago
￥33,060
Roundtrip
found 22 hours ago
Select Delta flight, departing Tue, Aug 5 from Phoenix to Boise, returning Sun, Aug 10, priced at ￥33,060 found 22 hours ago
American Airlines
Tue, Aug 5 - Sun, Aug 10
PHX
Phoenix
BOI
Boise
￥37,880 Roundtrip, found 22 hours ago
￥37,880
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Tue, Aug 5 from Phoenix to Boise, returning Sun, Aug 10, priced at ￥37,880 found 22 hours ago
United
Tue, Aug 5 - Sun, Aug 10
PHX
Phoenix
BOI
Boise
￥46,070 Roundtrip, found 22 hours ago
￥46,070
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Aug 5 from Phoenix to Boise, returning Sun, Aug 10, priced at ￥46,070 found 22 hours ago

Find the cheapest month to fly from Phoenix (PHX) to Boise (BOI)

September is typically the cheapest month to fly

From ￥14,352 - ￥32,097 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.