How much is the cheapest flight to Washington County?

Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 30 - Mon, Feb 2

DEN

Denver

BOI

Boise

$58 Roundtrip, found 10 hours ago

$58

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Denver to Boise, returning Mon, Feb 2, priced at $58 found 10 hours ago

Thu, Mar 5 - Sun, Mar 8

SEA

Seattle

BOI

Boise

$99 Roundtrip, just found

$99

Roundtrip

just found

Select Bargain Flight flight, departing Thu, Mar 5 from Seattle to Boise, returning Sun, Mar 8, priced at $99 just found

Tue, Mar 24 - Sun, Mar 29

LAS

Las Vegas

BOI

Boise

$116 Roundtrip, found 11 hours ago

$116

Roundtrip

found 11 hours ago

Select Bargain Flight flight, departing Tue, Mar 24 from Las Vegas to Boise, returning Sun, Mar 29, priced at $116 found 11 hours ago

Wed, Feb 18 - Sat, Feb 21

ONT

Ontario

BOI

Boise

$137 Roundtrip, found 2 days ago

$137

Roundtrip

found 2 days ago

Select Bargain Flight flight, departing Wed, Feb 18 from Ontario to Boise, returning Sat, Feb 21, priced at $137 found 2 days ago

Sat, Jan 24 - Sat, Feb 7

GEG

Spokane

BOI

Boise

$137 Roundtrip, found 10 hours ago

$137

Roundtrip

found 10 hours ago

Select Hawaiian Airlines flight, departing Sat, Jan 24 from Spokane to Boise, returning Sat, Feb 7, priced at $137 found 10 hours ago

Sat, Feb 28 - Sat, Mar 7

PDX

Portland

BOI

Boise

$137 Roundtrip, found 19 hours ago

$137

Roundtrip

found 19 hours ago

Select Alaska Airlines flight, departing Sat, Feb 28 from Portland to Boise, returning Sat, Mar 7, priced at $137 found 19 hours ago

Sat, Feb 21 - Mon, Feb 23

PHX

Phoenix

BOI

Boise

$139 Roundtrip, found 16 hours ago

$139

Roundtrip

found 16 hours ago

Select Southwest Airlines flight, departing Sat, Feb 21 from Phoenix to Boise, returning Mon, Feb 23, priced at $139 found 16 hours ago

Mon, Feb 2 - Mon, Feb 9

BUR

Burbank

BOI

Boise

$145 Roundtrip, found 11 hours ago

$145

Roundtrip

found 11 hours ago

Select Southwest Airlines flight, departing Mon, Feb 2 from Burbank to Boise, returning Mon, Feb 9, priced at $145 found 11 hours ago

Sat, Mar 28 - Wed, Apr 1

SMF

Sacramento

BOI

Boise

$147 Roundtrip, found 11 hours ago

$147

Roundtrip

found 11 hours ago

Select Bargain Flight flight, departing Sat, Mar 28 from Sacramento to Boise, returning Wed, Apr 1, priced at $147 found 11 hours ago

Wed, Jan 21 - Wed, Feb 4

SFO

San Francisco

BOI

Boise

$153 Roundtrip, found 12 hours ago

$153

Roundtrip

found 12 hours ago

Select Bargain Flight flight, departing Wed, Jan 21 from San Francisco to Boise, returning Wed, Feb 4, priced at $153 found 12 hours ago