Flights to West Boise from Seattle - ￥10,120

View ￥10,120 flight on Tue, Aug 26, 2025Opens in a new window

Popular airlines from Seattle to West Boise

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle to West Boise (SEA-BOI)

Prices were available within the past 7 days and start at ￥10,120 for one-way flights and ￥40,150 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jul 17 - Mon, Jul 21
SEA
Seattle
BOI
Boise
￥40,150 Roundtrip, found 4 hours ago
￥40,150
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Jul 17 from Seattle to Boise, returning Mon, Jul 21, priced at ￥40,150 found 4 hours ago
Delta
Fri, Jul 11 - Tue, Jul 15
SEA
Seattle
BOI
Boise
￥40,770 Roundtrip, found 6 days ago
￥40,770
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jul 11 from Seattle to Boise, returning Tue, Jul 15, priced at ￥40,770 found 6 days ago
Delta
Thu, Jul 17 - Mon, Jul 21
SEA
Seattle
BOI
Boise
￥48,890 Roundtrip, found 4 hours ago
￥48,890
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Jul 17 from Seattle to Boise, returning Mon, Jul 21, priced at ￥48,890 found 4 hours ago
Delta
Fri, Jul 11 - Tue, Jul 15
SEA
Seattle
BOI
Boise
￥49,630 Roundtrip, found 6 days ago
￥49,630
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jul 11 from Seattle to Boise, returning Tue, Jul 15, priced at ￥49,630 found 6 days ago
United
Fri, Jul 11 - Tue, Jul 15
SEA
Seattle
BOI
Boise
￥54,140 Roundtrip, found 6 days ago
￥54,140
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jul 11 from Seattle to Boise, returning Tue, Jul 15, priced at ￥54,140 found 6 days ago
American Airlines
Fri, Jul 11 - Tue, Jul 15
SEA
Seattle
BOI
Boise
￥63,820 Roundtrip, found 6 days ago
￥63,820
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Jul 11 from Seattle to Boise, returning Tue, Jul 15, priced at ￥63,820 found 6 days ago

Find the cheapest month to fly from Seattle (SEA) to Boise (BOI)

January is typically the cheapest month to fly

From ￥11,046 - ￥28,495 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.