
Popular airlines from Seattle to Southwest Idaho
American Airlines
Delta
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Cheap Flights from Seattle to Southwest Idaho (SEA-BOI)
Prices were available within the past 7 days and start at ¥11,370 for one-way flights and ¥22,970 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
BOI
Boise
¥22,970 Roundtrip, found 7 hours ago
¥22,970
Roundtrip
found 7 hours ago

Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
BOI
Boise
¥28,780 Roundtrip, found 7 hours ago
¥28,780
Roundtrip
found 7 hours ago

Sun, Jul 20 - Sat, Aug 2
SEA
Seattle
BOI
Boise
¥48,730 Roundtrip, found 2 days ago
¥48,730
Roundtrip
found 2 days ago

Sun, Jul 20 - Sat, Aug 2
SEA
Seattle
BOI
Boise
¥51,640 Roundtrip, found 2 days ago
¥51,640
Roundtrip
found 2 days ago

Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
BOI
Boise
¥52,150 Roundtrip, found 7 hours ago
¥52,150
Roundtrip
found 7 hours ago

Fri, Aug 8 - Wed, Aug 13
PAE
Seattle
BOI
Boise
¥120,310 Roundtrip, found 7 hours ago
¥120,310
Roundtrip
found 7 hours ago
Find the cheapest month to fly from Seattle (SEA) to Boise (BOI)
January is typically the cheapest month to fly
From ¥10,931 - ¥28,198 per traveler.
Graph displaying average flight prices per month
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