Flights from Denver to Santa Ana

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 18 - Sat, Oct 25

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$116 Roundtrip, found 7 hours ago

$116

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Denver Intl. to Los Angeles - Ontario Intl., returning Sat, Oct 25, priced at $116 found 7 hours ago

Tue, Oct 14 - Tue, Oct 21

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$117 Roundtrip, found 1 day ago

$117

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Oct 14 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 21, priced at $117 found 1 day ago

Tue, Oct 21 - Tue, Oct 28

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$128 Roundtrip, found 7 hours ago

$128

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Oct 21 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $128 found 7 hours ago

Sat, Oct 11 - Sat, Oct 18

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$128 Roundtrip, found 1 day ago

$128

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Oct 11 from Denver Intl. to Los Angeles - Ontario Intl., returning Sat, Oct 18, priced at $128 found 1 day ago

Tue, Oct 14 - Tue, Oct 21

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$134 Roundtrip, found 1 day ago

$134

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Oct 14 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 21, priced at $134 found 1 day ago

Fri, Oct 24 - Sun, Oct 26

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$135 Roundtrip, found 17 hours ago

$135

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Denver Intl. to Los Angeles - Ontario Intl., returning Sun, Oct 26, priced at $135 found 17 hours ago

Tue, Oct 21 - Tue, Oct 28

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$138 Roundtrip, found 7 hours ago

$138

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Tue, Oct 21 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $138 found 7 hours ago

Tue, Oct 21 - Tue, Oct 28

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$139 Roundtrip, found 7 hours ago

$139

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Oct 21 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $139 found 7 hours ago

Sun, Oct 19 - Sun, Oct 26

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$140 Roundtrip, found 7 hours ago

$140

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Sun, Oct 19 from Denver Intl. to Los Angeles - Ontario Intl., returning Sun, Oct 26, priced at $140 found 7 hours ago

Fri, Oct 24 - Sun, Oct 26

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$141 Roundtrip, found 17 hours ago

$141

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Denver Intl. to Los Angeles - Ontario Intl., returning Sun, Oct 26, priced at $141 found 17 hours ago

Sun, Oct 12 - Sat, Oct 18

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$142 Roundtrip, found 1 day ago

$142

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Oct 12 from Denver Intl. to Los Angeles - Ontario Intl., returning Sat, Oct 18, priced at $142 found 1 day ago

Tue, Oct 14 - Tue, Oct 21

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$144 Roundtrip, found 1 day ago

$144

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Oct 14 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 21, priced at $144 found 1 day ago

Mon, Oct 20 - Sat, Oct 25

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$147 Roundtrip, found 7 hours ago

$147

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Mon, Oct 20 from Denver Intl. to Los Angeles - Ontario Intl., returning Sat, Oct 25, priced at $147 found 7 hours ago

Tue, Oct 21 - Tue, Oct 28

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$155 Roundtrip, found 7 hours ago

$155

Roundtrip

found 7 hours ago

Select United flight, departing Tue, Oct 21 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $155 found 7 hours ago

Tue, Oct 21 - Tue, Oct 28

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$159 Roundtrip, found 7 hours ago

$159

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Tue, Oct 21 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $159 found 7 hours ago

Tue, Aug 26 - Sat, Aug 30

DEN

Denver Intl.

SNA

John Wayne

$183 Roundtrip, found 4 days ago

$183

Roundtrip

found 4 days ago

Select United flight, departing Tue, Aug 26 from Denver Intl. to John Wayne, returning Sat, Aug 30, priced at $183 found 4 days ago

Tue, Oct 21 - Tue, Oct 28

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$206 Roundtrip, found 7 hours ago

$206

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Tue, Oct 21 from Denver Intl. to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $206 found 7 hours ago

Wed, Oct 22 - Wed, Oct 22

DEN

Denver Intl.

ONT

Los Angeles - Ontario Intl.

$211 Roundtrip, found 17 hours ago

$211

Roundtrip

found 17 hours ago

Select Delta flight, departing Wed, Oct 22 from Denver Intl. to Los Angeles - Ontario Intl., returning Wed, Oct 22, priced at $211 found 17 hours ago

Sat, Oct 25 - Tue, Oct 28

COS

Colorado Springs

ONT

Los Angeles - Ontario Intl.

$217 Roundtrip, found 17 hours ago

$217

Roundtrip

found 17 hours ago

Select Delta flight, departing Sat, Oct 25 from Colorado Springs to Los Angeles - Ontario Intl., returning Tue, Oct 28, priced at $217 found 17 hours ago

Tue, Oct 21 - Tue, Oct 28

DEN

Denver Intl.

LGB

Long Beach Municipal

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Oct 21 from Denver Intl. to Long Beach Municipal, returning Tue, Oct 28, priced at $217 found 2 days ago