Flights to West Boise from Washington - ￥21,020

View ￥21,020 flight on Sat, Jul 5, 2025Opens in a new window

Popular airlines from Washington to West Boise

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Cheap Flights from Washington to West Boise (WAS-BOI)

Prices were available within the past 7 days and start at ￥21,020 for one-way flights and ￥59,940 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Jul 28 - Sat, Aug 2
DCA
Washington
BOI
Boise
￥59,940 Roundtrip, found 3 days ago
￥59,940
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jul 28 from Washington to Boise, returning Sat, Aug 2, priced at ￥59,940 found 3 days ago
American Airlines
Mon, Jul 28 - Sat, Aug 2
DCA
Washington
BOI
Boise
￥63,700 Roundtrip, found 3 days ago
￥63,700
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jul 28 from Washington to Boise, returning Sat, Aug 2, priced at ￥63,700 found 3 days ago
American Airlines
Fri, Aug 29 - Mon, Sep 1
DCA
Washington
BOI
Boise
￥64,840 Roundtrip, found 1 day ago
￥64,840
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 29 from Washington to Boise, returning Mon, Sep 1, priced at ￥64,840 found 1 day ago
American Airlines
Fri, Aug 29 - Mon, Sep 1
DCA
Washington
BOI
Boise
￥66,830 Roundtrip, found 1 day ago
￥66,830
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 29 from Washington to Boise, returning Mon, Sep 1, priced at ￥66,830 found 1 day ago
Delta
Fri, Aug 29 - Mon, Sep 1
DCA
Washington
BOI
Boise
￥66,930 Roundtrip, found 1 day ago
￥66,930
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Aug 29 from Washington to Boise, returning Mon, Sep 1, priced at ￥66,930 found 1 day ago
United
Mon, Jul 28 - Sat, Aug 2
DCA
Washington
BOI
Boise
￥77,250 Roundtrip, found 3 days ago
￥77,250
Roundtrip
found 3 days ago
Select United flight, departing Mon, Jul 28 from Washington to Boise, returning Sat, Aug 2, priced at ￥77,250 found 3 days ago

Find the cheapest month to fly from Washington (WAS) to Boise (BOI)

October is typically the cheapest month to fly

From ￥24,808 - ￥84,871 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.