$174 Cheap Frontier Airlines flights Boise (BOI) to Seattle (SEA)

$174 Cheap Frontier Airlines flights Boise (BOI) to Seattle (SEA)

Prices were available within the past 7 days and start at $174 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 10 - Sat, Jul 19

BOI

Boise

SEA

Seattle

$312 Roundtrip, found 1 day ago

$312

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Boise to Seattle, returning Sat, Jul 19, priced at $312 found 1 day ago

Sun, Jul 13 - Sat, Jul 19

BOI

Boise

SEA

Seattle

$316 Roundtrip, found 1 day ago

$316

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Boise to Seattle, returning Sat, Jul 19, priced at $316 found 1 day ago

Thu, Jul 10 - Wed, Jul 16

BOI

Boise

SEA

Seattle

$335 Roundtrip, found 1 day ago

$335

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Boise to Seattle, returning Wed, Jul 16, priced at $335 found 1 day ago

Sun, Jul 13 - Wed, Jul 16

BOI

Boise

SEA

Seattle

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Boise to Seattle, returning Wed, Jul 16, priced at $339 found 1 day ago

Sun, Jul 13 - Wed, Jul 16

BOI

Boise

SEA

Seattle

$403 Roundtrip, found 1 day ago

$403

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Boise to Seattle, returning Wed, Jul 16, priced at $403 found 1 day ago

Sun, Jul 13 - Wed, Jul 16

BOI

Boise

SEA

Seattle

$408 Roundtrip, found 1 day ago

$408

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Boise to Seattle, returning Wed, Jul 16, priced at $408 found 1 day ago