$234 Cheap Frontier Airlines flights Seattle (SEA) to Sioux Falls (FSD)

$234 Cheap Frontier Airlines flights Seattle (SEA) to Sioux Falls (FSD)

Prices were available within the past 7 days and start at $234 for one-way flights and $278 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 6 - Fri, Aug 8

SEA

Seattle

FSD

Sioux Falls

$278 Roundtrip, found 3 days ago

$278

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Seattle to Sioux Falls, returning Fri, Aug 8, priced at $278 found 3 days ago

Wed, Aug 6 - Wed, Aug 13

SEA

Seattle

FSD

Sioux Falls

$308 Roundtrip, found 3 days ago

$308

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Seattle to Sioux Falls, returning Wed, Aug 13, priced at $308 found 3 days ago

Fri, Aug 8 - Mon, Aug 11

SEA

Seattle

FSD

Sioux Falls

$328 Roundtrip, found 3 days ago

$328

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Seattle to Sioux Falls, returning Mon, Aug 11, priced at $328 found 3 days ago

Fri, Aug 8 - Wed, Aug 13

SEA

Seattle

FSD

Sioux Falls

$358 Roundtrip, found 3 days ago

$358

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Seattle to Sioux Falls, returning Wed, Aug 13, priced at $358 found 3 days ago

Thu, Aug 7 - Fri, Aug 8

SEA

Seattle

FSD

Sioux Falls

$397 Roundtrip, found 3 days ago

$397

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Seattle to Sioux Falls, returning Fri, Aug 8, priced at $397 found 3 days ago

Thu, Aug 7 - Wed, Aug 13

SEA

Seattle

FSD

Sioux Falls

$432 Roundtrip, found 3 days ago

$432

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Seattle to Sioux Falls, returning Wed, Aug 13, priced at $432 found 3 days ago

Thu, Aug 7 - Sun, Aug 10

SEA

Seattle

FSD

Sioux Falls

$441 Roundtrip, found 3 days ago

$441

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Seattle to Sioux Falls, returning Sun, Aug 10, priced at $441 found 3 days ago

Sun, Aug 10 - Mon, Aug 11

SEA

Seattle

FSD

Sioux Falls

$487 Roundtrip, found 3 days ago

$487

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Seattle to Sioux Falls, returning Mon, Aug 11, priced at $487 found 3 days ago

Thu, Aug 7 - Mon, Aug 11

SEA

Seattle

FSD

Sioux Falls

$517 Roundtrip, found 3 days ago

$517

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Seattle to Sioux Falls, returning Mon, Aug 11, priced at $517 found 3 days ago

Sun, Aug 10 - Wed, Aug 13

SEA

Seattle

FSD

Sioux Falls

$522 Roundtrip, found 3 days ago

$522

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Aug 10 from Seattle to Sioux Falls, returning Wed, Aug 13, priced at $522 found 3 days ago