
Flights from Boise to Washington
Photo by Karissa Krull
Cheapest flights from Boise
These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 26 - Mon, Sep 1
BOI
Boise
STL
Lambert-St. Louis Intl.
$165 Roundtrip, found 15 hours ago
$165
Roundtrip
found 15 hours ago

Sun, Aug 31 - Mon, Sep 1
BOI
Boise
STL
Lambert-St. Louis Intl.
$187 Roundtrip, found 15 hours ago
$187
Roundtrip
found 15 hours ago

Thu, Aug 28 - Mon, Sep 1
BOI
Boise
STL
Lambert-St. Louis Intl.
$207 Roundtrip, found 15 hours ago
$207
Roundtrip
found 15 hours ago

Fri, Aug 29 - Mon, Sep 1
BOI
Boise
STL
Lambert-St. Louis Intl.
$211 Roundtrip, found 15 hours ago
$211
Roundtrip
found 15 hours ago

Thu, Aug 28 - Sun, Aug 31
BOI
Boise
STL
Lambert-St. Louis Intl.
$229 Roundtrip, found 15 hours ago
$229
Roundtrip
found 15 hours ago

Fri, Aug 29 - Sun, Aug 31
BOI
Boise
STL
Lambert-St. Louis Intl.
$233 Roundtrip, found 15 hours ago
$233
Roundtrip
found 15 hours ago

Thu, Aug 28 - Fri, Sep 5
BOI
Boise
STL
Lambert-St. Louis Intl.
$253 Roundtrip, found 15 hours ago
$253
Roundtrip
found 15 hours ago

Fri, Aug 29 - Fri, Sep 5
BOI
Boise
STL
Lambert-St. Louis Intl.
$257 Roundtrip, found 15 hours ago
$257
Roundtrip
found 15 hours ago