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Top Flight Deals

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

Fri, Sep 25 - Thu, Oct 15

SFO

San Francisco Intl.

ONT

Ontario Intl. Airport

$53 Roundtrip, just found

$53

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Sep 25 from San Francisco Intl. to Ontario Intl. Airport, returning Thu, Oct 15, priced at $53 just found

Sat, Oct 24 - Wed, Nov 11

DEN

Denver Intl.

ONT

Ontario Intl. Airport

$66 Roundtrip, found 1 day ago

$66

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Oct 24 from Denver Intl. to Ontario Intl. Airport, returning Wed, Nov 11, priced at $66 found 1 day ago

Wed, Oct 14 - Tue, Nov 3

PHX

Sky Harbor Intl.

ONT

Ontario Intl. Airport

$117 Roundtrip, found 12 hours ago

$117

Roundtrip

found 12 hours ago

Select American Airlines flight, departing Wed, Oct 14 from Sky Harbor Intl. to Ontario Intl. Airport, returning Tue, Nov 3, priced at $117 found 12 hours ago

Thu, Oct 22 - Thu, Oct 29

DFW

Dallas-Fort Worth Intl.

ONT

Ontario Intl. Airport

$135 Roundtrip, found 3 hours ago

$135

Roundtrip

found 3 hours ago

Select Frontier Airlines flight, departing Thu, Oct 22 from Dallas-Fort Worth Intl. to Ontario Intl. Airport, returning Thu, Oct 29, priced at $135 found 3 hours ago