Cheap United flights Sioux Falls (FSD) to Seattle (SEA)

Cheap United flights Sioux Falls (FSD) to Seattle (SEA)

Prices were available within the past 7 days and start at for one-way flights and $349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 31 - Fri, Apr 10

FSD

Sioux Falls

SEA

Seattle

$349 Roundtrip, found 15 hours ago

$349

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Mar 31 from Sioux Falls to Seattle, returning Fri, Apr 10, priced at $349 found 15 hours ago

Wed, Apr 1 - Fri, Apr 10

FSD

Sioux Falls

SEA

Seattle

$384 Roundtrip, found 15 hours ago

$384

Roundtrip

found 15 hours ago

Select United flight, departing Wed, Apr 1 from Sioux Falls to Seattle, returning Fri, Apr 10, priced at $384 found 15 hours ago

Sun, Mar 29 - Fri, Apr 10

FSD

Sioux Falls

SEA

Seattle

$449 Roundtrip, found 15 hours ago

$449

Roundtrip

found 15 hours ago

Select United flight, departing Sun, Mar 29 from Sioux Falls to Seattle, returning Fri, Apr 10, priced at $449 found 15 hours ago

Tue, Mar 31 - Sun, Apr 12

FSD

Sioux Falls

SEA

Seattle

$467 Roundtrip, found 15 hours ago

$467

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Mar 31 from Sioux Falls to Seattle, returning Sun, Apr 12, priced at $467 found 15 hours ago

Thu, Apr 2 - Fri, Apr 10

FSD

Sioux Falls

SEA

Seattle

$509 Roundtrip, found 15 hours ago

$509

Roundtrip

found 15 hours ago

Select United flight, departing Thu, Apr 2 from Sioux Falls to Seattle, returning Fri, Apr 10, priced at $509 found 15 hours ago

Sun, Mar 29 - Thu, Apr 9

FSD

Sioux Falls

SEA

Seattle

$549 Roundtrip, found 15 hours ago

$549

Roundtrip

found 15 hours ago

Select United flight, departing Sun, Mar 29 from Sioux Falls to Seattle, returning Thu, Apr 9, priced at $549 found 15 hours ago

Sun, Mar 29 - Sun, Apr 12

FSD

Sioux Falls

SEA

Seattle

$567 Roundtrip, found 15 hours ago

$567

Roundtrip

found 15 hours ago

Select United flight, departing Sun, Mar 29 from Sioux Falls to Seattle, returning Sun, Apr 12, priced at $567 found 15 hours ago