Flights from Sioux Falls to Denver

Cheapest flights from Sioux Falls

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 21 - Wed, Jul 23

FSD

Sioux Falls Regional

DEN

Denver Intl.

$199 Roundtrip, found 15 hours ago

$199

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 23, priced at $199 found 15 hours ago

Wed, Jul 23 - Wed, Jul 30

FSD

Sioux Falls Regional

DEN

Denver Intl.

$208 Roundtrip, found 18 hours ago

$208

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 30, priced at $208 found 18 hours ago

Thu, Jul 24 - Wed, Jul 30

FSD

Sioux Falls Regional

DEN

Denver Intl.

$218 Roundtrip, found 18 hours ago

$218

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 30, priced at $218 found 18 hours ago

Thu, Jul 24 - Thu, Jul 31

FSD

Sioux Falls Regional

DEN

Denver Intl.

$228 Roundtrip, found 18 hours ago

$228

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Sioux Falls Regional to Denver Intl., returning Thu, Jul 31, priced at $228 found 18 hours ago

Wed, Jul 23 - Fri, Jul 25

FSD

Sioux Falls Regional

DEN

Denver Intl.

$258 Roundtrip, found 18 hours ago

$258

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Wed, Jul 23 from Sioux Falls Regional to Denver Intl., returning Fri, Jul 25, priced at $258 found 18 hours ago

Thu, Jul 24 - Fri, Jul 25

FSD

Sioux Falls Regional

DEN

Denver Intl.

$268 Roundtrip, found 18 hours ago

$268

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Thu, Jul 24 from Sioux Falls Regional to Denver Intl., returning Fri, Jul 25, priced at $268 found 18 hours ago

Mon, Jul 21 - Wed, Jul 30

FSD

Sioux Falls Regional

DEN

Denver Intl.

$278 Roundtrip, found 18 hours ago

$278

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 30, priced at $278 found 18 hours ago

Mon, Jul 21 - Thu, Jul 31

FSD

Sioux Falls Regional

DEN

Denver Intl.

$288 Roundtrip, found 18 hours ago

$288

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Sioux Falls Regional to Denver Intl., returning Thu, Jul 31, priced at $288 found 18 hours ago

Wed, Jul 23 - Sat, Jul 26

FSD

Sioux Falls Regional

DEN

Denver Intl.

$309 Roundtrip, found 18 hours ago

$309

Roundtrip

found 18 hours ago

Select United flight, departing Wed, Jul 23 from Sioux Falls Regional to Denver Intl., returning Sat, Jul 26, priced at $309 found 18 hours ago

Fri, Jul 18 - Wed, Jul 30

FSD

Sioux Falls Regional

DEN

Denver Intl.

$318 Roundtrip, found 18 hours ago

$318

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 30, priced at $318 found 18 hours ago

Sun, Jul 20 - Wed, Jul 30

FSD

Sioux Falls Regional

DEN

Denver Intl.

$320 Roundtrip, found 18 hours ago

$320

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 30, priced at $320 found 18 hours ago

Fri, Jul 18 - Mon, Jul 28

FSD

Sioux Falls Regional

DEN

Denver Intl.

$324 Roundtrip, found 18 hours ago

$324

Roundtrip

found 18 hours ago

Select Delta flight, departing Fri, Jul 18 from Sioux Falls Regional to Denver Intl., returning Mon, Jul 28, priced at $324 found 18 hours ago

Mon, Jul 21 - Fri, Jul 25

FSD

Sioux Falls Regional

DEN

Denver Intl.

$328 Roundtrip, found 18 hours ago

$328

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Sioux Falls Regional to Denver Intl., returning Fri, Jul 25, priced at $328 found 18 hours ago

Sun, Jul 20 - Thu, Jul 31

FSD

Sioux Falls Regional

DEN

Denver Intl.

$330 Roundtrip, found 18 hours ago

$330

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Sioux Falls Regional to Denver Intl., returning Thu, Jul 31, priced at $330 found 18 hours ago

Sat, Jul 19 - Wed, Jul 30

FSD

Sioux Falls Regional

DEN

Denver Intl.

$339 Roundtrip, found 18 hours ago

$339

Roundtrip

found 18 hours ago

Select United flight, departing Sat, Jul 19 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 30, priced at $339 found 18 hours ago

Fri, Jul 18 - Wed, Jul 23

FSD

Sioux Falls Regional

DEN

Denver Intl.

$358 Roundtrip, found 18 hours ago

$358

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 23, priced at $358 found 18 hours ago

Sun, Jul 20 - Wed, Jul 23

FSD

Sioux Falls Regional

DEN

Denver Intl.

$360 Roundtrip, found 18 hours ago

$360

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sun, Jul 20 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 23, priced at $360 found 18 hours ago

Fri, Jul 18 - Fri, Jul 25

FSD

Sioux Falls Regional

DEN

Denver Intl.

$364 Roundtrip, found 18 hours ago

$364

Roundtrip

found 18 hours ago

Select United flight, departing Fri, Jul 18 from Sioux Falls Regional to Denver Intl., returning Fri, Jul 25, priced at $364 found 18 hours ago

Fri, Jul 18 - Thu, Jul 24

FSD

Sioux Falls Regional

DEN

Denver Intl.

$368 Roundtrip, found 18 hours ago

$368

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Sioux Falls Regional to Denver Intl., returning Thu, Jul 24, priced at $368 found 18 hours ago

Mon, Jul 21 - Wed, Jul 23

FSD

Sioux Falls Regional

DEN

Denver Intl.

$682 Roundtrip, found 15 hours ago

$682

Roundtrip

found 15 hours ago

Select American Airlines flight, departing Mon, Jul 21 from Sioux Falls Regional to Denver Intl., returning Wed, Jul 23, priced at $682 found 15 hours ago