Cheap Frontier Airlines flights Washington (DCA) to Sioux Falls (FSD)

Cheap Frontier Airlines flights Washington (DCA) to Sioux Falls (FSD)

Prices were available within the past 7 days and start at for one-way flights and $284 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 30 - Wed, Aug 6

DCA

Washington

FSD

Sioux Falls

$284 Roundtrip, found 1 day ago

$284

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Washington to Sioux Falls, returning Wed, Aug 6, priced at $284 found 1 day ago

Wed, Jul 30 - Thu, Aug 7

DCA

Washington

FSD

Sioux Falls

$295 Roundtrip, found 1 day ago

$295

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Washington to Sioux Falls, returning Thu, Aug 7, priced at $295 found 1 day ago

Sun, Jul 27 - Thu, Aug 7

DCA

Washington

FSD

Sioux Falls

$306 Roundtrip, found 1 day ago

$306

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Washington to Sioux Falls, returning Thu, Aug 7, priced at $306 found 1 day ago

Thu, Jul 31 - Thu, Aug 7

DCA

Washington

FSD

Sioux Falls

$356 Roundtrip, found 1 day ago

$356

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Washington to Sioux Falls, returning Thu, Aug 7, priced at $356 found 1 day ago

Thu, Jul 31 - Fri, Aug 8

DCA

Washington

FSD

Sioux Falls

$361 Roundtrip, found 1 day ago

$361

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Washington to Sioux Falls, returning Fri, Aug 8, priced at $361 found 1 day ago

Sun, Jul 27 - Sun, Aug 3

DCA

Washington

FSD

Sioux Falls

$366 Roundtrip, found 1 day ago

$366

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 27 from Washington to Sioux Falls, returning Sun, Aug 3, priced at $366 found 1 day ago