Flights from Fullerton to Denver

Cheapest flights from Fullerton

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.

Sun, Jul 6 - Thu, Jul 10

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$138 Roundtrip, found 2 days ago

$138

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jul 6 from Los Angeles - Ontario Intl. to Denver Intl., returning Thu, Jul 10, priced at $138 found 2 days ago

Mon, Sep 8 - Tue, Sep 9

SNA

John Wayne

DEN

Denver Intl.

$138 Roundtrip, found 1 day ago

$138

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Sep 8 from John Wayne to Denver Intl., returning Tue, Sep 9, priced at $138 found 1 day ago

Tue, Jun 17 - Wed, Jun 18

LAX

Los Angeles Intl.

DEN

Denver Intl.

$158 Roundtrip, found 4 days ago

$158

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jun 17 from Los Angeles Intl. to Denver Intl., returning Wed, Jun 18, priced at $158 found 4 days ago

Sat, Jun 28 - Tue, Jul 8

LAX

Los Angeles Intl.

DEN

Denver Intl.

$167 Roundtrip, found 6 days ago

$167

Roundtrip

found 6 days ago

Select Delta flight, departing Sat, Jun 28 from Los Angeles Intl. to Denver Intl., returning Tue, Jul 8, priced at $167 found 6 days ago

Mon, Jun 30 - Tue, Jul 8

LAX

Los Angeles Intl.

DEN

Denver Intl.

$168 Roundtrip, found 6 days ago

$168

Roundtrip

found 6 days ago

Select Delta flight, departing Mon, Jun 30 from Los Angeles Intl. to Denver Intl., returning Tue, Jul 8, priced at $168 found 6 days ago

Sat, Jul 12 - Sat, Jul 12

LAX

Los Angeles Intl.

DEN

Denver Intl.

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Jul 12 from Los Angeles Intl. to Denver Intl., returning Sat, Jul 12, priced at $177 found 2 days ago

Sat, Jun 28 - Tue, Jul 1

SNA

John Wayne

DEN

Denver Intl.

$178 Roundtrip, found 12 hours ago

$178

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, Jun 28 from John Wayne to Denver Intl., returning Tue, Jul 1, priced at $178 found 12 hours ago

Sat, Jun 28 - Sat, Jun 28

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$181 Roundtrip, found 6 days ago

$181

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 28 from Los Angeles - Ontario Intl. to Denver Intl., returning Sat, Jun 28, priced at $181 found 6 days ago

Mon, Jun 23 - Sat, Jun 28

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$182 Roundtrip, found 6 days ago

$182

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, Jun 23 from Los Angeles - Ontario Intl. to Denver Intl., returning Sat, Jun 28, priced at $182 found 6 days ago

Wed, Jul 9 - Sun, Jul 13

LAX

Los Angeles Intl.

DEN

Denver Intl.

$184 Roundtrip, found 2 days ago

$184

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Jul 9 from Los Angeles Intl. to Denver Intl., returning Sun, Jul 13, priced at $184 found 2 days ago

Wed, Jun 25 - Sun, Jun 29

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$184 Roundtrip, found 6 days ago

$184

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Jun 25 from Los Angeles - Ontario Intl. to Denver Intl., returning Sun, Jun 29, priced at $184 found 6 days ago

Tue, Jun 24 - Sat, Jun 28

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$186 Roundtrip, found 6 days ago

$186

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Jun 24 from Los Angeles - Ontario Intl. to Denver Intl., returning Sat, Jun 28, priced at $186 found 6 days ago

Wed, Jul 9 - Sun, Jul 13

LAX

Los Angeles Intl.

DEN

Denver Intl.

$187 Roundtrip, found 2 days ago

$187

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jul 9 from Los Angeles Intl. to Denver Intl., returning Sun, Jul 13, priced at $187 found 2 days ago

Sun, Jun 29 - Thu, Jul 10

BUR

Hollywood Burbank

DEN

Denver Intl.

$188 Roundtrip, found 6 days ago

$188

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Jun 29 from Hollywood Burbank to Denver Intl., returning Thu, Jul 10, priced at $188 found 6 days ago

Tue, Jun 17 - Wed, Jun 18

LAX

Los Angeles Intl.

DEN

Denver Intl.

$189 Roundtrip, found 4 days ago

$189

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jun 17 from Los Angeles Intl. to Denver Intl., returning Wed, Jun 18, priced at $189 found 4 days ago

Tue, Jun 17 - Wed, Jun 18

LAX

Los Angeles Intl.

DEN

Denver Intl.

$190 Roundtrip, found 4 days ago

$190

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jun 17 from Los Angeles Intl. to Denver Intl., returning Wed, Jun 18, priced at $190 found 4 days ago

Wed, Aug 27 - Sun, Aug 31

ONT

Los Angeles - Ontario Intl.

COS

Colorado Springs

$217 Roundtrip, found 4 days ago

$217

Roundtrip

found 4 days ago

Select Delta flight, departing Wed, Aug 27 from Los Angeles - Ontario Intl. to Colorado Springs, returning Sun, Aug 31, priced at $217 found 4 days ago

Wed, Jul 9 - Sun, Jul 13

LAX

Los Angeles Intl.

DEN

Denver Intl.

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select American Airlines flight, departing Wed, Jul 9 from Los Angeles Intl. to Denver Intl., returning Sun, Jul 13, priced at $217 found 2 days ago

Wed, Jun 18 - Tue, Jun 24

LGB

Long Beach Municipal

DEN

Denver Intl.

$253 Roundtrip, found 5 days ago

$253

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Jun 18 from Long Beach Municipal to Denver Intl., returning Tue, Jun 24, priced at $253 found 5 days ago

Thu, Jun 5 - Mon, Jun 9

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$396 Roundtrip, found 2 days ago

$396

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Thu, Jun 5 from Los Angeles - Ontario Intl. to Denver Intl., returning Mon, Jun 9, priced at $396 found 2 days ago