Flights from Denver to Fidelity

Cheapest flights from Denver

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.

Sat, Oct 11 - Sat, Oct 18

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$126 Roundtrip, found 1 hour ago

$126

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Oct 11 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 18, priced at $126 found 1 hour ago

Mon, May 12 - Wed, May 14

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$132 Roundtrip, found 2 days ago

$132

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, May 12 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, May 14, priced at $132 found 2 days ago

Thu, Oct 9 - Sat, Oct 18

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$149 Roundtrip, found 1 hour ago

$149

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 18, priced at $149 found 1 hour ago

Fri, Oct 10 - Sat, Oct 18

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$160 Roundtrip, found 1 hour ago

$160

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Oct 18, priced at $160 found 1 hour ago

Tue, May 13 - Fri, May 16

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$162 Roundtrip, found 1 day ago

$162

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 13 from Denver Intl. to Lambert-St. Louis Intl., returning Fri, May 16, priced at $162 found 1 day ago

Thu, Oct 9 - Mon, Oct 13

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$170 Roundtrip, found 1 hour ago

$170

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Oct 13, priced at $170 found 1 hour ago

Sat, May 10 - Wed, May 14

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$172 Roundtrip, found 2 days ago

$172

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, May 10 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, May 14, priced at $172 found 2 days ago

Mon, Jul 28 - Fri, Aug 1

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$180 Roundtrip, found 4 days ago

$180

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Denver Intl. to Lambert-St. Louis Intl., returning Fri, Aug 1, priced at $180 found 4 days ago

Fri, Oct 10 - Mon, Oct 13

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$181 Roundtrip, found 1 hour ago

$181

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Fri, Oct 10 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Oct 13, priced at $181 found 1 hour ago

Mon, Jul 28 - Sat, Aug 2

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$191 Roundtrip, found 4 days ago

$191

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $191 found 4 days ago

Wed, Jul 30 - Sat, Aug 2

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$192 Roundtrip, found 4 days ago

$192

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Aug 2, priced at $192 found 4 days ago

Sat, Oct 11 - Sun, Oct 19

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$200 Roundtrip, found 1 hour ago

$200

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Oct 11 from Denver Intl. to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $200 found 1 hour ago

Sat, May 10 - Mon, May 12

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$206 Roundtrip, found 1 day ago

$206

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, May 10 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, May 12, priced at $206 found 1 day ago

Sun, May 11 - Wed, May 14

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$212 Roundtrip, found 2 days ago

$212

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, May 11 from Denver Intl. to Lambert-St. Louis Intl., returning Wed, May 14, priced at $212 found 2 days ago

Tue, May 13 - Thu, May 15

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$215 Roundtrip, found 1 day ago

$215

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 13 from Denver Intl. to Lambert-St. Louis Intl., returning Thu, May 15, priced at $215 found 1 day ago

Wed, Jul 30 - Tue, Aug 5

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$220 Roundtrip, found 4 days ago

$220

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Jul 30 from Denver Intl. to Lambert-St. Louis Intl., returning Tue, Aug 5, priced at $220 found 4 days ago

Thu, Oct 9 - Sun, Oct 19

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$221 Roundtrip, found 1 hour ago

$221

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Denver Intl. to Lambert-St. Louis Intl., returning Sun, Oct 19, priced at $221 found 1 hour ago

Thu, Jul 31 - Mon, Aug 4

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$225 Roundtrip, found 4 days ago

$225

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Jul 31 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $225 found 4 days ago

Thu, Jul 31 - Mon, Aug 4

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$228 Roundtrip, found 4 days ago

$228

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Jul 31 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $228 found 4 days ago

Thu, Jul 31 - Mon, Aug 4

DEN

Denver Intl.

STL

Lambert-St. Louis Intl.

$301 Roundtrip, found 4 days ago

$301

Roundtrip

found 4 days ago

Select United flight, departing Thu, Jul 31 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Aug 4, priced at $301 found 4 days ago