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 30 - Mon, Feb 2

DEN

Denver

BOI

Boise

$58 Roundtrip, found 1 hour ago

$58

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Denver to Boise, returning Mon, Feb 2, priced at $58 found 1 hour ago

Fri, Feb 6 - Thu, Feb 12

DEN

Denver

BOI

Boise

$62 Roundtrip, found 8 hours ago

$62

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Fri, Feb 6 from Denver to Boise, returning Thu, Feb 12, priced at $62 found 8 hours ago

Mon, Feb 9 - Sun, Feb 15

DEN

Denver

BOI

Boise

$66 Roundtrip, found 2 hours ago

$66

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Mon, Feb 9 from Denver to Boise, returning Sun, Feb 15, priced at $66 found 2 hours ago

Fri, Feb 6 - Thu, Feb 12

DEN

Denver

BOI

Boise

$72 Roundtrip, found 20 hours ago

$72

Roundtrip

found 20 hours ago

Select Frontier Airlines flight, departing Fri, Feb 6 from Denver to Boise, returning Thu, Feb 12, priced at $72 found 20 hours ago

Mon, Jan 26 - Fri, Jan 30

DEN

Denver

BOI

Boise

$73 Roundtrip, found 1 day ago

$73

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jan 26 from Denver to Boise, returning Fri, Jan 30, priced at $73 found 1 day ago

Fri, Feb 13 - Thu, Feb 19

DEN

Denver

BOI

Boise

$76 Roundtrip, found 2 hours ago

$76

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Fri, Feb 13 from Denver to Boise, returning Thu, Feb 19, priced at $76 found 2 hours ago

Sat, Jan 24 - Sun, Jan 25

SEA

Seattle

BOI

Boise

$99 Roundtrip, just found

$99

Roundtrip

just found

Select Delta flight, departing Sat, Jan 24 from Seattle to Boise, returning Sun, Jan 25, priced at $99 just found

Wed, Jan 28 - Sun, Feb 1

LAS

Las Vegas

BOI

Boise

$117 Roundtrip, found 2 hours ago

$117

Roundtrip

found 2 hours ago

Select Southwest Airlines flight, departing Wed, Jan 28 from Las Vegas to Boise, returning Sun, Feb 1, priced at $117 found 2 hours ago

Sat, Jan 24 - Sat, Jan 31

GEG

Spokane

BOI

Boise

$137 Roundtrip, just found

$137

Roundtrip

just found

Select Alaska Airlines flight, departing Sat, Jan 24 from Spokane to Boise, returning Sat, Jan 31, priced at $137 just found

Wed, Jan 14 - Wed, Jan 21

PHX

Phoenix

BOI

Boise

$138 Roundtrip, just found

$138

Roundtrip

just found

Select American Airlines flight, departing Wed, Jan 14 from Phoenix to Boise, returning Wed, Jan 21, priced at $138 just found