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

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

Prices were available within the past 7 days and start at for one-way flights and $323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 25 - Sun, Jan 4

SEA

Seattle

DCA

Washington

$323 Roundtrip, found 1 day ago

$323

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Seattle to Washington, returning Sun, Jan 4, priced at $323 found 1 day ago

Wed, Dec 24 - Sun, Jan 4

SEA

Seattle

DCA

Washington

$334 Roundtrip, found 1 day ago

$334

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Dec 24 from Seattle to Washington, returning Sun, Jan 4, priced at $334 found 1 day ago

Tue, Dec 23 - Mon, Jan 5

SEA

Seattle

DCA

Washington

$383 Roundtrip, found 1 day ago

$383

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Seattle to Washington, returning Mon, Jan 5, priced at $383 found 1 day ago

Sun, Dec 21 - Sun, Jan 4

SEA

Seattle

DCA

Washington

$419 Roundtrip, found 1 day ago

$419

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from Seattle to Washington, returning Sun, Jan 4, priced at $419 found 1 day ago

Tue, Dec 23 - Sun, Jan 4

SEA

Seattle

DCA

Washington

$426 Roundtrip, found 1 day ago

$426

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Seattle to Washington, returning Sun, Jan 4, priced at $426 found 1 day ago

Sat, Dec 27 - Mon, Jan 5

SEA

Seattle

DCA

Washington

$464 Roundtrip, found 1 day ago

$464

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Dec 27 from Seattle to Washington, returning Mon, Jan 5, priced at $464 found 1 day ago

Tue, Dec 23 - Thu, Jan 1

SEA

Seattle

DCA

Washington

$486 Roundtrip, found 1 day ago

$486

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Seattle to Washington, returning Thu, Jan 1, priced at $486 found 1 day ago

Sun, Dec 21 - Sat, Jan 3

SEA

Seattle

DCA

Washington

$519 Roundtrip, found 1 day ago

$519

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Dec 21 from Seattle to Washington, returning Sat, Jan 3, priced at $519 found 1 day ago

Tue, Dec 23 - Sat, Jan 3

SEA

Seattle

DCA

Washington

$526 Roundtrip, found 1 day ago

$526

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Seattle to Washington, returning Sat, Jan 3, priced at $526 found 1 day ago