Flights from Ontario

Cheapest flights from Ontario

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.

Fri, Jul 4 - Tue, Jul 8

SNA

John Wayne

LAS

Harry Reid Intl.

$66 Roundtrip, found 5 days ago

$66

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Fri, Jul 4 from John Wayne to Harry Reid Intl., returning Tue, Jul 8, priced at $66 found 5 days ago

Tue, Jul 8 - Tue, Jul 8

SNA

John Wayne

SFO

San Francisco Intl.

$72 Roundtrip, found 4 days ago

$72

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Tue, Jul 8 from John Wayne to San Francisco Intl., returning Tue, Jul 8, priced at $72 found 4 days ago

Sun, Jul 13 - Tue, Jul 15

ONT

Los Angeles - Ontario Intl.

LAS

Harry Reid Intl.

$108 Roundtrip, found 1 day ago

$108

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Los Angeles - Ontario Intl. to Harry Reid Intl., returning Tue, Jul 15, priced at $108 found 1 day ago

Thu, Jul 10 - Thu, Jul 10

ONT

Los Angeles - Ontario Intl.

SFO

San Francisco Intl.

$112 Roundtrip, found 4 days ago

$112

Roundtrip

found 4 days ago

Select United flight, departing Thu, Jul 10 from Los Angeles - Ontario Intl. to San Francisco Intl., returning Thu, Jul 10, priced at $112 found 4 days ago

Sat, Jul 19 - Sat, Jul 26

ONT

Los Angeles - Ontario Intl.

DEN

Denver Intl.

$149 Roundtrip, found 5 days ago

$149

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, Jul 19 from Los Angeles - Ontario Intl. to Denver Intl., returning Sat, Jul 26, priced at $149 found 5 days ago

Wed, Aug 6 - Sat, Aug 16

ONT

Los Angeles - Ontario Intl.

SEA

Seattle - Tacoma Intl.

$149 Roundtrip, found 9 hours ago

$149

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Los Angeles - Ontario Intl. to Seattle - Tacoma Intl., returning Sat, Aug 16, priced at $149 found 9 hours ago

Wed, Jul 2 - Fri, Jul 4

SNA

John Wayne

PHX

Sky Harbor Intl.

$154 Roundtrip, found 2 days ago

$154

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Wed, Jul 2 from John Wayne to Sky Harbor Intl., returning Fri, Jul 4, priced at $154 found 2 days ago

Thu, Aug 14 - Mon, Aug 18

ONT

Los Angeles - Ontario Intl.

DFW

Dallas-Fort Worth Intl.

$154 Roundtrip, found 6 days ago

$154

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Aug 14 from Los Angeles - Ontario Intl. to Dallas-Fort Worth Intl., returning Mon, Aug 18, priced at $154 found 6 days ago

Tue, Aug 12 - Thu, Aug 21

SNA

John Wayne

SEA

Seattle - Tacoma Intl.

$156 Roundtrip, found 3 days ago

$156

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Aug 12 from John Wayne to Seattle - Tacoma Intl., returning Thu, Aug 21, priced at $156 found 3 days ago

Wed, Jul 30 - Thu, Aug 7

LGB

Long Beach Municipal

SEA

Seattle - Tacoma Intl.

$192 Roundtrip, found 5 days ago

$192

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Jul 30 from Long Beach Municipal to Seattle - Tacoma Intl., returning Thu, Aug 7, priced at $192 found 5 days ago

Wed, Jul 9 - Tue, Jul 15

SNA

John Wayne

DEN

Denver Intl.

$193 Roundtrip, found 3 days ago

$193

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from John Wayne to Denver Intl., returning Tue, Jul 15, priced at $193 found 3 days ago

Mon, Aug 4 - Mon, Aug 18

LGB

Long Beach Municipal

DEN

Denver Intl.

$207 Roundtrip, found 1 day ago

$207

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Aug 4 from Long Beach Municipal to Denver Intl., returning Mon, Aug 18, priced at $207 found 1 day ago

Fri, Aug 8 - Mon, Aug 11

ONT

Los Angeles - Ontario Intl.

PAE

Seattle Paine Field Intl. Airport

$230 Roundtrip, found 6 days ago

$230

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Los Angeles - Ontario Intl. to Seattle Paine Field Intl. Airport, returning Mon, Aug 11, priced at $230 found 6 days ago

Sat, Jul 12 - Sat, Jul 19

SNA

John Wayne

EWR

Newark Liberty Intl. Airport

$235 Roundtrip, found 3 days ago

$235

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Jul 12 from John Wayne to Newark Liberty Intl. Airport, returning Sat, Jul 19, priced at $235 found 3 days ago

Sat, Aug 2 - Tue, Aug 5

ONT

Los Angeles - Ontario Intl.

DAL

Love Field

$237 Roundtrip, found 3 days ago

$237

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Aug 2 from Los Angeles - Ontario Intl. to Love Field, returning Tue, Aug 5, priced at $237 found 3 days ago

Tue, Jul 15 - Fri, Jul 25

ONT

Los Angeles - Ontario Intl.

SLC

Salt Lake City Intl.

$239 Roundtrip, found 2 days ago

$239

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 15 from Los Angeles - Ontario Intl. to Salt Lake City Intl., returning Fri, Jul 25, priced at $239 found 2 days ago

Thu, Jul 17 - Sat, Jul 26

ONT

Los Angeles - Ontario Intl.

PHX

Sky Harbor Intl.

$244 Roundtrip, found 5 days ago

$244

Roundtrip

found 5 days ago

Select American Airlines flight, departing Thu, Jul 17 from Los Angeles - Ontario Intl. to Sky Harbor Intl., returning Sat, Jul 26, priced at $244 found 5 days ago

Mon, Jul 28 - Wed, Jul 30

SNA

John Wayne

LGA

LaGuardia

$252 Roundtrip, found 2 days ago

$252

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Mon, Jul 28 from John Wayne to LaGuardia, returning Wed, Jul 30, priced at $252 found 2 days ago

Tue, Aug 12 - Thu, Aug 21

SNA

John Wayne

PAE

Seattle Paine Field Intl. Airport

$256 Roundtrip, found 3 days ago

$256

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Tue, Aug 12 from John Wayne to Seattle Paine Field Intl. Airport, returning Thu, Aug 21, priced at $256 found 3 days ago

Tue, Jul 8 - Fri, Jul 18

ONT

Los Angeles - Ontario Intl.

JFK

John F. Kennedy Intl.

$307 Roundtrip, found 6 days ago

$307

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Tue, Jul 8 from Los Angeles - Ontario Intl. to John F. Kennedy Intl., returning Fri, Jul 18, priced at $307 found 6 days ago