Cheap Flights to Washington County from $29

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 23 - Mon, Jan 26

DEN

Denver

BOI

Boise

$58 Roundtrip, found 1 hour ago

$58

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Jan 23 from Denver to Boise, returning Mon, Jan 26, priced at $58 found 1 hour ago

Tue, Feb 3 - Sat, Feb 7

LAS

Las Vegas

BOI

Boise

$77 Roundtrip, found 9 hours ago

$77

Roundtrip

found 9 hours ago

Select Alaska Airlines flight, departing Tue, Feb 3 from Las Vegas to Boise, returning Sat, Feb 7, priced at $77 found 9 hours ago

Mon, Feb 23 - Wed, Feb 25

SMF

Sacramento

BOI

Boise

$91 Roundtrip, found 1 hour ago

$91

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Mon, Feb 23 from Sacramento to Boise, returning Wed, Feb 25, priced at $91 found 1 hour ago

Wed, Jan 28 - Tue, Feb 3

LAS

Las Vegas

BOI

Boise

$97 Roundtrip, found 7 hours ago

$97

Roundtrip

found 7 hours ago

Select Hawaiian Airlines flight, departing Wed, Jan 28 from Las Vegas to Boise, returning Tue, Feb 3, priced at $97 found 7 hours ago

Tue, Feb 10 - Wed, Feb 11

LAS

Las Vegas

BOI

Boise

$97 Roundtrip, found 5 hours ago

$97

Roundtrip

found 5 hours ago

Select Southwest Airlines flight, departing Tue, Feb 10 from Las Vegas to Boise, returning Wed, Feb 11, priced at $97 found 5 hours ago

Fri, Jan 30 - Sun, Feb 1

SEA

Seattle

BOI

Boise

$99 Roundtrip, just found

$99

Roundtrip

just found

Select Alaska Airlines flight, departing Fri, Jan 30 from Seattle to Boise, returning Sun, Feb 1, priced at $99 just found

Fri, Jan 30 - Sun, Feb 1

SEA

Seattle

BOI

Boise

$99 Roundtrip, just found

$99

Roundtrip

just found

Select Delta flight, departing Fri, Jan 30 from Seattle to Boise, returning Sun, Feb 1, priced at $99 just found

Wed, Feb 4 - Wed, Feb 11

PDX

Portland

BOI

Boise

$117 Roundtrip, just found

$117

Roundtrip

just found

Select Alaska Airlines flight, departing Wed, Feb 4 from Portland to Boise, returning Wed, Feb 11, priced at $117 just found

Sat, May 2 - Tue, May 12

ONT

Ontario

BOI

Boise

$117 Roundtrip, found 3 hours ago

$117

Roundtrip

found 3 hours ago

Select Alaska Airlines flight, departing Sat, May 2 from Ontario to Boise, returning Tue, May 12, priced at $117 found 3 hours ago

Wed, Jan 28 - Sat, Jan 31

SFO

San Francisco

BOI

Boise

$117 Roundtrip, just found

$117

Roundtrip

just found

Select Hawaiian Airlines flight, departing Wed, Jan 28 from San Francisco to Boise, returning Sat, Jan 31, priced at $117 just found