How much is the cheapest flight to Rock County?

Prices were available within the past 7 days and start at $54 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Feb 20 - Mon, Feb 23

DEN

Denver

FSD

Sioux Falls

$108 Roundtrip, found 1 hour ago

$108

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Feb 20 from Denver to Sioux Falls, returning Mon, Feb 23, priced at $108 found 1 hour ago

Thu, Feb 19 - Fri, Feb 20

DEN

Denver

FSD

Sioux Falls

$123 Roundtrip, found 2 days ago

$123

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Denver to Sioux Falls, returning Fri, Feb 20, priced at $123 found 2 days ago

Thu, Feb 26 - Mon, Mar 2

DEN

Denver

FSD

Sioux Falls

$124 Roundtrip, found 1 day ago

$124

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 26 from Denver to Sioux Falls, returning Mon, Mar 2, priced at $124 found 1 day ago

Fri, Feb 27 - Mon, Mar 2

DEN

Denver

FSD

Sioux Falls

$134 Roundtrip, found 2 days ago

$134

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Feb 27 from Denver to Sioux Falls, returning Mon, Mar 2, priced at $134 found 2 days ago

Thu, Feb 12 - Sun, Feb 15

DEN

Denver

FSD

Sioux Falls

$138 Roundtrip, found 8 hours ago

$138

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Thu, Feb 12 from Denver to Sioux Falls, returning Sun, Feb 15, priced at $138 found 8 hours ago

Wed, Feb 18 - Mon, Mar 2

SLC

Salt Lake City

FSD

Sioux Falls

$155 Roundtrip, found 8 hours ago

$155

Roundtrip

found 8 hours ago

Select Frontier Airlines flight, departing Wed, Feb 18 from Salt Lake City to Sioux Falls, returning Mon, Mar 2, priced at $155 found 8 hours ago

Thu, Feb 12 - Sun, Feb 22

DEN

Denver

FSD

Sioux Falls

$179 Roundtrip, found 3 days ago

$179

Roundtrip

found 3 days ago

Select United flight, departing Thu, Feb 12 from Denver to Sioux Falls, returning Sun, Feb 22, priced at $179 found 3 days ago

Thu, Mar 12 - Tue, Mar 17

ORD

Chicago

FSD

Sioux Falls

$189 Roundtrip, just found

$189

Roundtrip

just found

Select American Airlines flight, departing Thu, Mar 12 from Chicago to Sioux Falls, returning Tue, Mar 17, priced at $189 just found

Fri, Feb 20 - Mon, Feb 23

DEN

Denver

FSD

Sioux Falls

$199 Roundtrip, found 1 hour ago

$199

Roundtrip

found 1 hour ago

Select Delta flight, departing Fri, Feb 20 from Denver to Sioux Falls, returning Mon, Feb 23, priced at $199 found 1 hour ago

Fri, Feb 13 - Sat, Feb 14

SAN

San Diego

FSD

Sioux Falls

$360 Roundtrip, found 11 hours ago

$360

Roundtrip

found 11 hours ago

Select Alaska Airlines flight, departing Fri, Feb 13 from San Diego to Sioux Falls, returning Sat, Feb 14, priced at $360 found 11 hours ago