$61 Cheap Frontier Airlines flights Denver (DEN) to Seattle (SEA)

$61 Cheap Frontier Airlines flights Denver (DEN) to Seattle (SEA)

Prices were available within the past 7 days and start at $61 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 30 - Sun, Nov 2

DEN

Denver

SEA

Seattle

$137 Roundtrip, found 6 hours ago

$137

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Thu, Oct 30 from Denver to Seattle, returning Sun, Nov 2, priced at $137 found 6 hours ago

Sat, Oct 25 - Wed, Oct 29

DEN

Denver

SEA

Seattle

$140 Roundtrip, found 1 day ago

$140

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Oct 25 from Denver to Seattle, returning Wed, Oct 29, priced at $140 found 1 day ago

Wed, Oct 22 - Tue, Oct 28

DEN

Denver

SEA

Seattle

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Oct 22 from Denver to Seattle, returning Tue, Oct 28, priced at $152 found 1 day ago

Wed, Oct 22 - Mon, Oct 27

DEN

Denver

SEA

Seattle

$153 Roundtrip, found 1 day ago

$153

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Oct 22 from Denver to Seattle, returning Mon, Oct 27, priced at $153 found 1 day ago

Fri, Oct 24 - Mon, Oct 27

DEN

Denver

SEA

Seattle

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Denver to Seattle, returning Mon, Oct 27, priced at $154 found 1 day ago

Thu, Oct 30 - Sun, Nov 2

DEN

Denver

SEA

Seattle

$167 Roundtrip, found 6 hours ago

$167

Roundtrip

found 6 hours ago

Select Frontier Airlines flight, departing Thu, Oct 30 from Denver to Seattle, returning Sun, Nov 2, priced at $167 found 6 hours ago