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Top Flight Deals

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

Thu, Dec 3 - Wed, Dec 16

SFO

San Francisco Intl.

ONT

Ontario Intl. Airport

$53 Roundtrip, found 9 hours ago

$53

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Dec 3 from San Francisco Intl. to Ontario Intl. Airport, returning Wed, Dec 16, priced at $53 found 9 hours ago

Thu, Dec 3 - Tue, Dec 15

DEN

Denver Intl.

ONT

Ontario Intl. Airport

$58 Roundtrip, found 9 hours ago

$58

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Dec 3 from Denver Intl. to Ontario Intl. Airport, returning Tue, Dec 15, priced at $58 found 9 hours ago

Wed, Nov 11 - Tue, Nov 24

OAK

Oakland Intl.

ONT

Ontario Intl. Airport

$127 Roundtrip, found 1 day ago

$127

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Nov 11 from Oakland Intl. to Ontario Intl. Airport, returning Tue, Nov 24, priced at $127 found 1 day ago

Sat, Dec 12 - Wed, Dec 16

PHX

Sky Harbor Intl.

ONT

Ontario Intl. Airport

$143 Roundtrip, just found

$143

Roundtrip

just found

Select Southwest Airlines flight, departing Sat, Dec 12 from Sky Harbor Intl. to Ontario Intl. Airport, returning Wed, Dec 16, priced at $143 just found