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.

Tue, Jun 30 - Tue, Jun 30

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 Tue, Jun 30 from Ontario Intl. Airport to Harry Reid Intl., returning Tue, Jun 30, priced at $61 found 1 day ago

Wed, Aug 5 - Wed, Aug 12

ONT

Ontario Intl. Airport

SFO

San Francisco Intl.

$66 Roundtrip, found 19 hours ago

$66

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Wed, Aug 5 from Ontario Intl. Airport to San Francisco Intl., returning Wed, Aug 12, priced at $66 found 19 hours ago

Wed, Sep 9 - Tue, Sep 15

ONT

Ontario Intl. Airport

DEN

Denver Intl.

$98 Roundtrip, found 4 hours ago

$98

Roundtrip

found 4 hours ago

Select Frontier Airlines flight, departing Wed, Sep 9 from Ontario Intl. Airport to Denver Intl., returning Tue, Sep 15, priced at $98 found 4 hours ago

Sat, Aug 8 - Wed, Aug 12

ONT

Ontario Intl. Airport

PHX

Sky Harbor Intl.

$117 Roundtrip, found 5 hours ago

$117

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Sat, Aug 8 from Ontario Intl. Airport to Sky Harbor Intl., returning Wed, Aug 12, priced at $117 found 5 hours ago

Sat, Aug 8 - Wed, Aug 12

ONT

Ontario Intl. Airport

PHX

Sky Harbor Intl.

$117 Roundtrip, found 5 hours ago

$117

Roundtrip

found 5 hours ago

Select Southwest Airlines flight, departing Sat, Aug 8 from Ontario Intl. Airport to Sky Harbor Intl., returning Wed, Aug 12, priced at $117 found 5 hours ago

Wed, Aug 5 - Wed, Aug 12

ONT

Ontario Intl. Airport

SFO

San Francisco Intl.

$117 Roundtrip, found 19 hours ago

$117

Roundtrip

found 19 hours ago

Select United flight, departing Wed, Aug 5 from Ontario Intl. Airport to San Francisco Intl., returning Wed, Aug 12, priced at $117 found 19 hours ago

Wed, Aug 26 - Sat, Sep 12

ONT

Ontario Intl. Airport

SEA

Seattle - Tacoma Intl.

$158 Roundtrip, found 5 days ago

$158

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, Aug 26 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Sat, Sep 12, priced at $158 found 5 days ago

Wed, Sep 9 - Tue, Sep 15

ONT

Ontario Intl. Airport

DEN

Denver Intl.

$197 Roundtrip, found 4 hours ago

$197

Roundtrip

found 4 hours ago

Select Delta flight, departing Wed, Sep 9 from Ontario Intl. Airport to Denver Intl., returning Tue, Sep 15, priced at $197 found 4 hours ago

Wed, Aug 5 - Tue, Aug 25

ONT

Ontario Intl. Airport

DFW

Dallas-Fort Worth Intl.

$220 Roundtrip, just found

$220

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, Aug 5 from Ontario Intl. Airport to Dallas-Fort Worth Intl., returning Tue, Aug 25, priced at $220 just found

Wed, Oct 7 - Tue, Oct 20

ONT

Ontario Intl. Airport

PDX

Portland Intl.

$220 Roundtrip, found 13 hours ago

$220

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Wed, Oct 7 from Ontario Intl. Airport to Portland Intl., returning Tue, Oct 20, priced at $220 found 13 hours ago

Sat, Sep 5 - Sat, Sep 12

ONT

Ontario Intl. Airport

SEA

Seattle - Tacoma Intl.

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sat, Sep 5 from Ontario Intl. Airport to Seattle - Tacoma Intl., returning Sat, Sep 12, priced at $237 found 2 days ago

Sun, Jul 26 - Fri, Aug 14

ONT

Ontario Intl. Airport

SLC

Salt Lake City Intl.

$250 Roundtrip, found 1 day ago

$250

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Jul 26 from Ontario Intl. Airport to Salt Lake City Intl., returning Fri, Aug 14, priced at $250 found 1 day ago

Sat, Sep 5 - Sat, Sep 12

ONT

Ontario Intl. Airport

PAE

Seattle Paine Field Intl. Airport

$287 Roundtrip, found 2 days ago

$287

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sat, Sep 5 from Ontario Intl. Airport to Seattle Paine Field Intl. Airport, returning Sat, Sep 12, priced at $287 found 2 days ago

Wed, Aug 5 - Tue, Aug 25

ONT

Ontario Intl. Airport

DAL

Love Field

$333 Roundtrip, just found

$333

Roundtrip

just found

Select Southwest Airlines flight, departing Wed, Aug 5 from Ontario Intl. Airport to Love Field, returning Tue, Aug 25, priced at $333 just found

Mon, Aug 3 - Sat, Aug 8

ONT

Ontario Intl. Airport

GDL

Don Miguel Hidalgo y Costilla Intl.

$352 Roundtrip, found 1 day ago

$352

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Aug 3 from Ontario Intl. Airport to Don Miguel Hidalgo y Costilla Intl., returning Sat, Aug 8, priced at $352 found 1 day ago

Tue, Aug 25 - Tue, Sep 1

ONT

Ontario Intl. Airport

MEX

Mexico City Intl.

$386 Roundtrip, found 6 days ago

$386

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Tue, Aug 25 from Ontario Intl. Airport to Mexico City Intl., returning Tue, Sep 1, priced at $386 found 6 days ago

Fri, Aug 28 - Thu, Sep 3

ONT

Ontario Intl. Airport

NLU

Felipe Ángeles Intl.

$390 Roundtrip, found 1 day ago

$390

Roundtrip

found 1 day ago

Select Volaris flight, departing Fri, Aug 28 from Ontario Intl. Airport to Felipe Ángeles Intl., returning Thu, Sep 3, priced at $390 found 1 day ago

Tue, Jul 28 - Sat, Aug 8

ONT

Ontario Intl. Airport

GDL

Don Miguel Hidalgo y Costilla Intl.

$494 Roundtrip, found 1 day ago

$494

Roundtrip

found 1 day ago

Select Aeromexico flight, departing Tue, Jul 28 from Ontario Intl. Airport to Don Miguel Hidalgo y Costilla Intl., returning Sat, Aug 8, priced at $494 found 1 day ago

Sun, Mar 21 - Sat, Mar 27

ONT

Ontario Intl. Airport

TLC

Toluca Intl.

$673 Roundtrip, found 2 days ago

$673

Roundtrip

found 2 days ago

Select Volaris flight, departing Sun, Mar 21 from Ontario Intl. Airport to Toluca Intl., returning Sat, Mar 27, priced at $673 found 2 days ago

Fri, Aug 28 - Thu, Sep 3

ONT

Ontario Intl. Airport

MEX

Mexico City Intl.

$1,516 Roundtrip, found 2 days ago

$1,516

Roundtrip

found 2 days ago

Select Air Canada flight, departing Fri, Aug 28 from Ontario Intl. Airport to Mexico City Intl., returning Thu, Sep 3, priced at $1,516 found 2 days ago