$199 Cheap United flights Washington (IAD) to Seattle (SEA)

$199 Cheap United flights Washington (IAD) to Seattle (SEA)

Prices were available within the past 7 days and start at $199 for one-way flights and $370 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 21 - Tue, Dec 2

IAD

Washington

SEA

Seattle

$370 Roundtrip, found 2 days ago

$370

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 21 from Washington to Seattle, returning Tue, Dec 2, priced at $370 found 2 days ago

Fri, Nov 21 - Tue, Dec 2

IAD

Washington

SEA

Seattle

$399 Roundtrip, found 2 days ago

$399

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 21 from Washington to Seattle, returning Tue, Dec 2, priced at $399 found 2 days ago

Fri, Nov 21 - Tue, Dec 2

IAD

Washington

SEA

Seattle

$403 Roundtrip, found 2 days ago

$403

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 21 from Washington to Seattle, returning Tue, Dec 2, priced at $403 found 2 days ago

Wed, Nov 19 - Mon, Dec 1

IAD

Washington

SEA

Seattle

$407 Roundtrip, found 5 days ago

$407

Roundtrip

found 5 days ago

Select United flight, departing Wed, Nov 19 from Washington to Seattle, returning Mon, Dec 1, priced at $407 found 5 days ago

Fri, Nov 21 - Tue, Dec 2

IAD

Washington

SEA

Seattle

$426 Roundtrip, found 2 days ago

$426

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 21 from Washington to Seattle, returning Tue, Dec 2, priced at $426 found 2 days ago

Fri, Nov 21 - Tue, Dec 2

IAD

Washington

SEA

Seattle

$427 Roundtrip, found 2 days ago

$427

Roundtrip

found 2 days ago

Select United flight, departing Fri, Nov 21 from Washington to Seattle, returning Tue, Dec 2, priced at $427 found 2 days ago