$40 Cheap Frontier Airlines flights Denver (DEN) to Sioux Falls (FSD)

$40 Cheap Frontier Airlines flights Denver (DEN) to Sioux Falls (FSD)

Prices were available within the past 7 days and start at $40 for one-way flights and $70 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 21 - Mon, Nov 24

DEN

Denver

FSD

Sioux Falls

$70 Roundtrip, found 3 days ago

$70

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Nov 21 from Denver to Sioux Falls, returning Mon, Nov 24, priced at $70 found 3 days ago

Mon, Nov 24 - Mon, Dec 1

DEN

Denver

FSD

Sioux Falls

$80 Roundtrip, found 4 hours ago

$80

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Mon, Nov 24 from Denver to Sioux Falls, returning Mon, Dec 1, priced at $80 found 4 hours ago

Thu, Dec 4 - Sun, Dec 7

DEN

Denver

FSD

Sioux Falls

$94 Roundtrip, found 7 hours ago

$94

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Thu, Dec 4 from Denver to Sioux Falls, returning Sun, Dec 7, priced at $94 found 7 hours ago

Sun, Dec 14 - Fri, Dec 19

DEN

Denver

FSD

Sioux Falls

$96 Roundtrip, found 2 days ago

$96

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Dec 14 from Denver to Sioux Falls, returning Fri, Dec 19, priced at $96 found 2 days ago

Fri, Nov 21 - Mon, Nov 24

DEN

Denver

FSD

Sioux Falls

$98 Roundtrip, found 3 days ago

$98

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Nov 21 from Denver to Sioux Falls, returning Mon, Nov 24, priced at $98 found 3 days ago

Mon, Dec 29 - Fri, Jan 2

DEN

Denver

FSD

Sioux Falls

$103 Roundtrip, found 1 day ago

$103

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Dec 29 from Denver to Sioux Falls, returning Fri, Jan 2, priced at $103 found 1 day ago