Flights from Costa Mesa

Cheapest flights from Costa Mesa

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, Oct 26 - Thu, Oct 30

ONT

Los Angeles - Ontario Intl.

LAS

Harry Reid Intl.

$68 Roundtrip, found 2 days ago

$68

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Oct 26 from Los Angeles - Ontario Intl. to Harry Reid Intl., returning Thu, Oct 30, priced at $68 found 2 days ago

Mon, Oct 20 - Mon, Oct 27

ONT

Los Angeles - Ontario Intl.

SFO

San Francisco Intl.

$76 Roundtrip, found 3 days ago

$76

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Oct 20 from Los Angeles - Ontario Intl. to San Francisco Intl., returning Mon, Oct 27, priced at $76 found 3 days ago

Fri, Dec 5 - Sun, Dec 7

SNA

John Wayne

LAS

Harry Reid Intl.

$76 Roundtrip, found 1 day ago

$76

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Fri, Dec 5 from John Wayne to Harry Reid Intl., returning Sun, Dec 7, priced at $76 found 1 day ago

Tue, Oct 28 - Wed, Oct 29

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$88 Roundtrip, found 2 days ago

$88

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Oct 28 from Los Angeles - Ontario Intl. to Denver Intl., returning Wed, Oct 29, priced at $88 found 2 days ago

Tue, Oct 28 - Wed, Oct 29

SNA

John Wayne

DEN

Denver Intl.

$93 Roundtrip, found 3 days ago

$93

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Oct 28 from John Wayne to Denver Intl., returning Wed, Oct 29, priced at $93 found 3 days ago

Mon, Nov 17 - Sat, Nov 22

SNA

John Wayne

PHX

Sky Harbor Intl.

$118 Roundtrip, found 2 days ago

$118

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Nov 17 from John Wayne to Sky Harbor Intl., returning Sat, Nov 22, priced at $118 found 2 days ago

Sun, Oct 26 - Sun, Nov 2

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$128 Roundtrip, found 3 days ago

$128

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Oct 26 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sun, Nov 2, priced at $128 found 3 days ago

Thu, Oct 23 - Sat, Oct 25

ONT

Los Angeles - Ontario Intl.

DFW

Dallas-Fort Worth Intl.

$129 Roundtrip, found 1 day ago

$129

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Oct 23 from Los Angeles - Ontario Intl. to Dallas-Fort Worth Intl., returning Sat, Oct 25, priced at $129 found 1 day ago

Tue, Nov 4 - Sun, Nov 9

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$139 Roundtrip, found 6 days ago

$139

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Tue, Nov 4 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sun, Nov 9, priced at $139 found 6 days ago

Tue, Nov 4 - Sat, Nov 8

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$139 Roundtrip, found 6 days ago

$139

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Nov 4 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Nov 8, priced at $139 found 6 days ago

Wed, Nov 19 - Thu, Dec 4

SNA

John Wayne

SFO

San Francisco Intl.

$145 Roundtrip, found 3 days ago

$145

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Nov 19 from John Wayne to San Francisco Intl., returning Thu, Dec 4, priced at $145 found 3 days ago

Tue, Oct 28 - Wed, Oct 29

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$157 Roundtrip, found 3 days ago

$157

Roundtrip

found 3 days ago

Select United flight, departing Tue, Oct 28 from Los Angeles - Ontario Intl. to Denver Intl., returning Wed, Oct 29, priced at $157 found 3 days ago

Fri, Nov 7 - Sun, Nov 9

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$168 Roundtrip, found 6 days ago

$168

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Fri, Nov 7 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sun, Nov 9, priced at $168 found 6 days ago

Sat, Oct 18 - Tue, Oct 21

ONT

Los Angeles - Ontario Intl.

SLC

Salt Lake City Intl.

$172 Roundtrip, found 2 days ago

$172

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Oct 18 from Los Angeles - Ontario Intl. to Salt Lake City Intl., returning Tue, Oct 21, priced at $172 found 2 days ago

Tue, Oct 28 - Wed, Oct 29

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$177 Roundtrip, found 3 days ago

$177

Roundtrip

found 3 days ago

Select American Airlines flight, departing Tue, Oct 28 from Los Angeles - Ontario Intl. to Denver Intl., returning Wed, Oct 29, priced at $177 found 3 days ago

Wed, Nov 5 - Mon, Nov 10

SNA

John Wayne

DFW

Dallas-Fort Worth Intl.

$185 Roundtrip, found 6 days ago

$185

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Nov 5 from John Wayne to Dallas-Fort Worth Intl., returning Mon, Nov 10, priced at $185 found 6 days ago

Wed, Nov 12 - Thu, Nov 20

SNA

John Wayne

ORD

O'Hare Intl.

$206 Roundtrip, found 6 days ago

$206

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Nov 12 from John Wayne to O'Hare Intl., returning Thu, Nov 20, priced at $206 found 6 days ago

Thu, Oct 9 - Fri, Oct 10

ONT

Los Angeles - Ontario Intl.

PHX

Sky Harbor Intl.

$232 Roundtrip, found 3 days ago

$232

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Los Angeles - Ontario Intl. to Sky Harbor Intl., returning Fri, Oct 10, priced at $232 found 3 days ago

Mon, Oct 27 - Sat, Nov 1

SNA

John Wayne

EWR

Newark Liberty Intl. Airport

$235 Roundtrip, found 6 days ago

$235

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Mon, Oct 27 from John Wayne to Newark Liberty Intl. Airport, returning Sat, Nov 1, priced at $235 found 6 days ago

Wed, Nov 12 - Sat, Nov 15

ONT

Los Angeles - Ontario Intl.

DAL

Love Field

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, Nov 12 from Los Angeles - Ontario Intl. to Love Field, returning Sat, Nov 15, priced at $237 found 2 days ago