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.

Wed, Nov 25 - Wed, Dec 9

ONT

Ontario Intl. Airport

PHX

Sky Harbor Intl.

$128 Roundtrip, found 6 days ago

$128

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Nov 25 from Ontario Intl. Airport to Sky Harbor Intl., returning Wed, Dec 9, priced at $128 found 6 days ago

Tue, Mar 16 - Tue, Mar 23

ONT

Ontario Intl. Airport

LAS

Harry Reid Intl.

$153 Roundtrip, found 2 days ago

$153

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Mar 16 from Ontario Intl. Airport to Harry Reid Intl., returning Tue, Mar 23, priced at $153 found 2 days ago

Tue, Dec 8 - Wed, Dec 9

ONT

Ontario Intl. Airport

DFW

Dallas-Fort Worth Intl.

$163 Roundtrip, found 4 days ago

$163

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Dec 8 from Ontario Intl. Airport to Dallas-Fort Worth Intl., returning Wed, Dec 9, priced at $163 found 4 days ago

Tue, Dec 15 - Tue, Jan 5

ONT

Ontario Intl. Airport

DFW

Dallas-Fort Worth Intl.

$169 Roundtrip, found 6 days ago

$169

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Dec 15 from Ontario Intl. Airport to Dallas-Fort Worth Intl., returning Tue, Jan 5, priced at $169 found 6 days ago

Thu, Dec 17 - Tue, Jan 5

ONT

Ontario Intl. Airport

DFW

Dallas-Fort Worth Intl.

$173 Roundtrip, found 6 days ago

$173

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Dec 17 from Ontario Intl. Airport to Dallas-Fort Worth Intl., returning Tue, Jan 5, priced at $173 found 6 days ago

Tue, Mar 16 - Tue, Mar 16

ONT

Ontario Intl. Airport

LAS

Harry Reid Intl.

$178 Roundtrip, found 2 days ago

$178

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Mar 16 from Ontario Intl. Airport to Harry Reid Intl., returning Tue, Mar 16, priced at $178 found 2 days ago

Sat, Nov 21 - Wed, Dec 2

SNA

John Wayne

SFO

San Francisco Intl.

$240 Roundtrip, found 2 days ago

$240

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Nov 21 from John Wayne to San Francisco Intl., returning Wed, Dec 2, priced at $240 found 2 days ago

Tue, Nov 10 - Fri, Nov 20

ONT

Ontario Intl. Airport

DEN

Denver Intl.

$251 Roundtrip, found 6 days ago

$251

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Nov 10 from Ontario Intl. Airport to Denver Intl., returning Fri, Nov 20, priced at $251 found 6 days ago

Mon, Nov 30 - Wed, Dec 2

ONT

Ontario Intl. Airport

SEA

Seattle - Tacoma Intl.

$269 Roundtrip, found 4 days ago

$269

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Nov 30 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Wed, Dec 2, priced at $269 found 4 days ago

Sat, Nov 21 - Wed, Dec 2

SNA

John Wayne

SFO

San Francisco Intl.

$304 Roundtrip, found 2 days ago

$304

Roundtrip

found 2 days ago

Select United flight, departing Sat, Nov 21 from John Wayne to San Francisco Intl., returning Wed, Dec 2, priced at $304 found 2 days ago

Sat, Nov 21 - Wed, Dec 2

SNA

John Wayne

SFO

San Francisco Intl.

$304 Roundtrip, found 2 days ago

$304

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sat, Nov 21 from John Wayne to San Francisco Intl., returning Wed, Dec 2, priced at $304 found 2 days ago

Thu, Nov 19 - Mon, Nov 23

LGB

Long Beach Municipal

LAS

Harry Reid Intl.

$311 Roundtrip, found 3 days ago

$311

Roundtrip

found 3 days ago

Select Southwest Airlines flight, departing Thu, Nov 19 from Long Beach Municipal to Harry Reid Intl., returning Mon, Nov 23, priced at $311 found 3 days ago

Mon, Nov 30 - Mon, Dec 7

ONT

Ontario Intl. Airport

PHX

Sky Harbor Intl.

$320 Roundtrip, found 2 days ago

$320

Roundtrip

found 2 days ago

Select American Airlines flight, departing Mon, Nov 30 from Ontario Intl. Airport to Sky Harbor Intl., returning Mon, Dec 7, priced at $320 found 2 days ago

Wed, Apr 14 - Tue, Apr 20

ONT

Ontario Intl. Airport

LGA

LaGuardia

$347 Roundtrip, found 5 days ago

$347

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Apr 14 from Ontario Intl. Airport to LaGuardia, returning Tue, Apr 20, priced at $347 found 5 days ago

Thu, Jul 8 - Mon, Jul 12

LGB

Long Beach Municipal

DAL

Love Field

$347 Roundtrip, found 5 days ago

$347

Roundtrip

found 5 days ago

Select Southwest Airlines flight, departing Thu, Jul 8 from Long Beach Municipal to Love Field, returning Mon, Jul 12, priced at $347 found 5 days ago

Mon, Dec 14 - Sat, Jan 30

ONT

Ontario Intl. Airport

EWR

Newark Liberty Intl. Airport

$419 Roundtrip, found 1 day ago

$419

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Dec 14 from Ontario Intl. Airport to Newark Liberty Intl. Airport, returning Sat, Jan 30, priced at $419 found 1 day ago

Thu, Jul 8 - Mon, Jul 12

LGB

Long Beach Municipal

DFW

Dallas-Fort Worth Intl.

$443 Roundtrip, found 5 days ago

$443

Roundtrip

found 5 days ago

Select Delta flight, departing Thu, Jul 8 from Long Beach Municipal to Dallas-Fort Worth Intl., returning Mon, Jul 12, priced at $443 found 5 days ago

Mon, Apr 5 - Sat, Apr 24

SNA

John Wayne

EWR

Newark Liberty Intl. Airport

$449 Roundtrip, found 1 day ago

$449

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Apr 5 from John Wayne to Newark Liberty Intl. Airport, returning Sat, Apr 24, priced at $449 found 1 day ago

Tue, Nov 17 - Sun, Nov 22

SNA

John Wayne

JFK

John F. Kennedy Intl.

$499 Roundtrip, found 5 days ago

$499

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Nov 17 from John Wayne to John F. Kennedy Intl., returning Sun, Nov 22, priced at $499 found 5 days ago

Fri, Nov 20 - Thu, Nov 26

ONT

Ontario Intl. Airport

DAL

Love Field

$663 Roundtrip, found 2 days ago

$663

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Nov 20 from Ontario Intl. Airport to Love Field, returning Thu, Nov 26, priced at $663 found 2 days ago