$115 Cheap Frontier Airlines flights Washington (IAD) to Seattle (SEA)

$115 Cheap Frontier Airlines flights Washington (IAD) to Seattle (SEA)

Prices were available within the past 7 days and start at $115 for one-way flights and $322 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 9 - Mon, Jun 16

IAD

Washington

SEA

Seattle

$322 Roundtrip, found 1 day ago

$322

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Washington to Seattle, returning Mon, Jun 16, priced at $322 found 1 day ago

Fri, Jun 13 - Fri, Jun 20

IAD

Washington

PAE

Seattle

$412 Roundtrip, found 1 day ago

$412

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Washington to Seattle, returning Fri, Jun 20, priced at $412 found 1 day ago