$159 Cheap United flights Washington (IAD) to Seattle (SEA)

$159 Cheap United flights Washington (IAD) to Seattle (SEA)

Prices were available within the past 7 days and start at $159 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 2 - Tue, Sep 9

IAD

Washington

SEA

Seattle

$277 Roundtrip, found 1 day ago

$277

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Washington to Seattle, returning Tue, Sep 9, priced at $277 found 1 day ago

Tue, Sep 2 - Tue, Sep 9

IAD

Washington

SEA

Seattle

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Washington to Seattle, returning Tue, Sep 9, priced at $287 found 1 day ago

Wed, Sep 3 - Tue, Sep 9

IAD

Washington

SEA

Seattle

$302 Roundtrip, found 1 day ago

$302

Roundtrip

found 1 day ago

Select United flight, departing Wed, Sep 3 from Washington to Seattle, returning Tue, Sep 9, priced at $302 found 1 day ago

Tue, Sep 2 - Tue, Sep 9

IAD

Washington

SEA

Seattle

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Washington to Seattle, returning Tue, Sep 9, priced at $304 found 1 day ago

Tue, Sep 2 - Mon, Sep 8

IAD

Washington

SEA

Seattle

$307 Roundtrip, found 1 day ago

$307

Roundtrip

found 1 day ago

Select United flight, departing Tue, Sep 2 from Washington to Seattle, returning Mon, Sep 8, priced at $307 found 1 day ago

Wed, Sep 3 - Tue, Sep 9

IAD

Washington

SEA

Seattle

$312 Roundtrip, found 1 day ago

$312

Roundtrip

found 1 day ago

Select United flight, departing Wed, Sep 3 from Washington to Seattle, returning Tue, Sep 9, priced at $312 found 1 day ago