Cheap Frontier Airlines flights Washington (DCA) to Seattle (SEA)

Cheap Frontier Airlines flights Washington (DCA) to Seattle (SEA)

Prices were available within the past 7 days and start at for one-way flights and $581 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Dec 30 - Mon, Jan 5

DCA

Washington

SEA

Seattle

$581 Roundtrip, found 6 days ago

$581

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Dec 30 from Washington to Seattle, returning Mon, Jan 5, priced at $581 found 6 days ago

Sun, Dec 28 - Mon, Jan 5

DCA

Washington

SEA

Seattle

$601 Roundtrip, found 6 days ago

$601

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Washington to Seattle, returning Mon, Jan 5, priced at $601 found 6 days ago

Mon, Dec 29 - Sat, Jan 10

DCA

Washington

SEA

Seattle

$611 Roundtrip, found 6 days ago

$611

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Washington to Seattle, returning Sat, Jan 10, priced at $611 found 6 days ago

Sun, Dec 28 - Fri, Jan 9

DCA

Washington

SEA

Seattle

$636 Roundtrip, found 6 days ago

$636

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Washington to Seattle, returning Fri, Jan 9, priced at $636 found 6 days ago

Sun, Dec 28 - Tue, Jan 6

DCA

Washington

SEA

Seattle

$646 Roundtrip, found 6 days ago

$646

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Washington to Seattle, returning Tue, Jan 6, priced at $646 found 6 days ago

Sun, Dec 28 - Fri, Jan 16

DCA

Washington

SEA

Seattle

$670 Roundtrip, found 6 days ago

$670

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Washington to Seattle, returning Fri, Jan 16, priced at $670 found 6 days ago

Sun, Dec 28 - Thu, Jan 1

DCA

Washington

SEA

Seattle

$672 Roundtrip, found 6 days ago

$672

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Washington to Seattle, returning Thu, Jan 1, priced at $672 found 6 days ago

Mon, Dec 29 - Thu, Jan 1

DCA

Washington

SEA

Seattle

$682 Roundtrip, found 6 days ago

$682

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Washington to Seattle, returning Thu, Jan 1, priced at $682 found 6 days ago

Sun, Dec 28 - Wed, Dec 31

DCA

Washington

SEA

Seattle

$701 Roundtrip, found 6 days ago

$701

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Washington to Seattle, returning Wed, Dec 31, priced at $701 found 6 days ago

Mon, Dec 29 - Wed, Dec 31

DCA

Washington

SEA

Seattle

$711 Roundtrip, found 6 days ago

$711

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Washington to Seattle, returning Wed, Dec 31, priced at $711 found 6 days ago

Sun, Dec 28 - Sat, Jan 3

DCA

Washington

SEA

Seattle

$731 Roundtrip, found 6 days ago

$731

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 28 from Washington to Seattle, returning Sat, Jan 3, priced at $731 found 6 days ago

Mon, Dec 29 - Sat, Jan 3

DCA

Washington

SEA

Seattle

$741 Roundtrip, found 6 days ago

$741

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Washington to Seattle, returning Sat, Jan 3, priced at $741 found 6 days ago