Flights from Ontario Intl. Airport Airport

Flights from Ontario Intl. Airport Airport

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, Jun 10 - Wed, Jun 10

ONT

Ontario Intl. Airport

LAS

Harry Reid Intl.

$61 Roundtrip, found 1 day ago

$61

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 10 from Ontario Intl. Airport to Harry Reid Intl., returning Wed, Jun 10, priced at $61 found 1 day ago

Mon, May 25 - Tue, Jun 9

ONT

Ontario Intl. Airport

DEN

Denver Intl.

$66 Roundtrip, found 4 days ago

$66

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, May 25 from Ontario Intl. Airport to Denver Intl., returning Tue, Jun 9, priced at $66 found 4 days ago

Tue, Jun 9 - Tue, Jun 23

ONT

Ontario Intl. Airport

LAS

Harry Reid Intl.

$66 Roundtrip, found 1 day ago

$66

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Jun 9 from Ontario Intl. Airport to Harry Reid Intl., returning Tue, Jun 23, priced at $66 found 1 day ago

Sat, Jun 6 - Thu, Jun 18

ONT

Ontario Intl. Airport

SEA

Seattle - Tacoma Intl.

$115 Roundtrip, found 1 day ago

$115

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Jun 6 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Thu, Jun 18, priced at $115 found 1 day ago

Tue, Jul 28 - Fri, Aug 14

ONT

Ontario Intl. Airport

SFO

San Francisco Intl.

$119 Roundtrip, found 4 days ago

$119

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jul 28 from Ontario Intl. Airport to San Francisco Intl., returning Fri, Aug 14, priced at $119 found 4 days ago

Wed, Jun 10 - Sat, Jun 13

ONT

Ontario Intl. Airport

SEA

Seattle - Tacoma Intl.

$137 Roundtrip, found 6 hours ago

$137

Roundtrip

found 6 hours ago

Select Alaska Airlines flight, departing Wed, Jun 10 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Sat, Jun 13, priced at $137 found 6 hours ago

Mon, Jun 8 - Thu, Jun 18

ONT

Ontario Intl. Airport

SEA

Seattle - Tacoma Intl.

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jun 8 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Thu, Jun 18, priced at $137 found 1 day ago

Sun, May 24 - Tue, May 26

ONT

Ontario Intl. Airport

SLC

Salt Lake City Intl.

$150 Roundtrip, found 3 days ago

$150

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, May 24 from Ontario Intl. Airport to Salt Lake City Intl., returning Tue, May 26, priced at $150 found 3 days ago

Mon, May 25 - Tue, Jun 9

ONT

Ontario Intl. Airport

DEN

Denver Intl.

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select Southwest Airlines flight, departing Mon, May 25 from Ontario Intl. Airport to Denver Intl., returning Tue, Jun 9, priced at $157 found 4 days ago

Mon, May 25 - Tue, Jun 9

ONT

Ontario Intl. Airport

DEN

Denver Intl.

$187 Roundtrip, found 4 days ago

$187

Roundtrip

found 4 days ago

Select United flight, departing Mon, May 25 from Ontario Intl. Airport to Denver Intl., returning Tue, Jun 9, priced at $187 found 4 days ago

Tue, Jun 9 - Tue, Jun 9

ONT

Ontario Intl. Airport

DFW

Dallas-Fort Worth Intl.

$210 Roundtrip, found 4 days ago

$210

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jun 9 from Ontario Intl. Airport to Dallas-Fort Worth Intl., returning Tue, Jun 9, priced at $210 found 4 days ago

Fri, Jun 5 - Tue, Jun 9

ONT

Ontario Intl. Airport

PDX

Portland Intl.

$215 Roundtrip, found 4 days ago

$215

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Jun 5 from Ontario Intl. Airport to Portland Intl., returning Tue, Jun 9, priced at $215 found 4 days ago

Mon, May 25 - Tue, Jun 9

ONT

Ontario Intl. Airport

DEN

Denver Intl.

$237 Roundtrip, found 4 days ago

$237

Roundtrip

found 4 days ago

Select American Airlines flight, departing Mon, May 25 from Ontario Intl. Airport to Denver Intl., returning Tue, Jun 9, priced at $237 found 4 days ago

Sat, May 23 - Sat, May 23

ONT

Ontario Intl. Airport

PHX

Sky Harbor Intl.

$268 Roundtrip, found 4 days ago

$268

Roundtrip

found 4 days ago

Select American Airlines flight, departing Sat, May 23 from Ontario Intl. Airport to Sky Harbor Intl., returning Sat, May 23, priced at $268 found 4 days ago

Sat, Jun 20 - Sat, Jul 4

ONT

Ontario Intl. Airport

PAE

Seattle Paine Field Intl. Airport

$292 Roundtrip, found 23 hours ago

$292

Roundtrip

found 23 hours ago

Select Alaska Airlines flight, departing Sat, Jun 20 from Ontario Intl. Airport to Seattle Paine Field Intl. Airport, returning Sat, Jul 4, priced at $292 found 23 hours ago

Mon, Aug 3 - Thu, Aug 13

ONT

Ontario Intl. Airport

GDL

Don Miguel Hidalgo y Costilla Intl.

$360 Roundtrip, found 5 days ago

$360

Roundtrip

found 5 days ago

Select Delta flight, departing Mon, Aug 3 from Ontario Intl. Airport to Don Miguel Hidalgo y Costilla Intl., returning Thu, Aug 13, priced at $360 found 5 days ago

Mon, Aug 3 - Thu, Aug 13

ONT

Ontario Intl. Airport

GDL

Don Miguel Hidalgo y Costilla Intl.

$360 Roundtrip, found 5 days ago

$360

Roundtrip

found 5 days ago

Select Aeromexico flight, departing Mon, Aug 3 from Ontario Intl. Airport to Don Miguel Hidalgo y Costilla Intl., returning Thu, Aug 13, priced at $360 found 5 days ago

Fri, Jun 12 - Sun, Jun 14

ONT

Ontario Intl. Airport

DAL

Love Field

$460 Roundtrip, found 2 days ago

$460

Roundtrip

found 2 days ago

Select Southwest Airlines flight, departing Fri, Jun 12 from Ontario Intl. Airport to Love Field, returning Sun, Jun 14, priced at $460 found 2 days ago

Thu, May 21 - Sun, May 24

ONT

Ontario Intl. Airport

NLU

Felipe Ángeles Intl.

$466 Roundtrip, just found

$466

Roundtrip

just found

Select Volaris flight, departing Thu, May 21 from Ontario Intl. Airport to Felipe Ángeles Intl., returning Sun, May 24, priced at $466 just found

Thu, May 21 - Sun, May 24

ONT

Ontario Intl. Airport

MEX

Mexico City Intl.

$580 Roundtrip, just found

$580

Roundtrip

just found

Select Volaris flight, departing Thu, May 21 from Ontario Intl. Airport to Mexico City Intl., returning Sun, May 24, priced at $580 just found