Search Deals on

Ontario Vacation Packages

Top Flight Deals

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Aug 20 - Tue, Aug 25

DEN

Denver Intl.

ONT

Ontario Intl. Airport

$56 Roundtrip, found 1 day ago

$56

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Aug 20 from Denver Intl. to Ontario Intl. Airport, returning Tue, Aug 25, priced at $56 found 1 day ago

Wed, Jun 3 - Tue, Jun 9

SFO

San Francisco Intl.

ONT

Ontario Intl. Airport

$58 Roundtrip, found 1 day ago

$58

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jun 3 from San Francisco Intl. to Ontario Intl. Airport, returning Tue, Jun 9, priced at $58 found 1 day ago

Mon, Jul 6 - Thu, Jul 16

PHX

Sky Harbor Intl.

SNA

John Wayne

$68 Roundtrip, found 5 days ago

$68

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jul 6 from Sky Harbor Intl. to John Wayne, returning Thu, Jul 16, priced at $68 found 5 days ago

Sat, Jun 6 - Tue, Jun 9

SEA

Seattle - Tacoma Intl.

ONT

Ontario Intl. Airport

$101 Roundtrip, found 2 hours ago

$101

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Jun 6 from Seattle - Tacoma Intl. to Ontario Intl. Airport, returning Tue, Jun 9, priced at $101 found 2 hours ago