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Top Flight Deals

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

Tue, Dec 1 - Wed, Dec 16

SFO

San Francisco Intl.

ONT

Ontario Intl. Airport

$38 Roundtrip, found 1 hour ago

$38

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Tue, Dec 1 from San Francisco Intl. to Ontario Intl. Airport, returning Wed, Dec 16, priced at $38 found 1 hour ago

Wed, Nov 18 - Tue, Dec 1

DEN

Denver Intl.

ONT

Ontario Intl. Airport

$64 Roundtrip, found 2 hours ago

$64

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Wed, Nov 18 from Denver Intl. to Ontario Intl. Airport, returning Tue, Dec 1, priced at $64 found 2 hours ago

Fri, Dec 4 - Mon, Dec 14

SFO

San Francisco Intl.

SNA

John Wayne

$80 Roundtrip, found 1 day ago

$80

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Dec 4 from San Francisco Intl. to John Wayne, returning Mon, Dec 14, priced at $80 found 1 day ago

Wed, Nov 18 - Wed, Dec 2

IAH

George Bush Intercontinental

ONT

Ontario Intl. Airport

$118 Roundtrip, found 5 hours ago

$118

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Wed, Nov 18 from George Bush Intercontinental to Ontario Intl. Airport, returning Wed, Dec 2, priced at $118 found 5 hours ago