$149 Cheap Delta flights Washington (IAD) to Seattle (SEA)

$149 Cheap Delta flights Washington (IAD) to Seattle (SEA)

Prices were available within the past 7 days and start at $149 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Wed, Dec 3

IAD

Washington

SEA

Seattle

$257 Roundtrip, found 2 days ago

$257

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Nov 18 from Washington to Seattle, returning Wed, Dec 3, priced at $257 found 2 days ago

Sat, Nov 22 - Thu, Dec 4

IAD

Washington

SEA

Seattle

$322 Roundtrip, found 2 days ago

$322

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Nov 22 from Washington to Seattle, returning Thu, Dec 4, priced at $322 found 2 days ago

Fri, Nov 21 - Thu, Dec 4

IAD

Washington

SEA

Seattle

$358 Roundtrip, found 2 days ago

$358

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Nov 21 from Washington to Seattle, returning Thu, Dec 4, priced at $358 found 2 days ago

Fri, Nov 21 - Tue, Dec 2

IAD

Washington

SEA

Seattle

$423 Roundtrip, found 2 days ago

$423

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Nov 21 from Washington to Seattle, returning Tue, Dec 2, priced at $423 found 2 days ago

Fri, Nov 21 - Mon, Dec 1

IAD

Washington

SEA

Seattle

$447 Roundtrip, found 2 days ago

$447

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Nov 21 from Washington to Seattle, returning Mon, Dec 1, priced at $447 found 2 days ago

Fri, Nov 21 - Tue, Dec 2

IAD

Washington

SEA

Seattle

$457 Roundtrip, found 2 days ago

$457

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Nov 21 from Washington to Seattle, returning Tue, Dec 2, priced at $457 found 2 days ago