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

Sat, Oct 3 - Wed, Oct 7

SEA

Seattle - Tacoma Intl.

ONT

Ontario Intl. Airport

$48 Roundtrip, found 12 hours ago

$48

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Sat, Oct 3 from Seattle - Tacoma Intl. to Ontario Intl. Airport, returning Wed, Oct 7, priced at $48 found 12 hours ago

Fri, Oct 23 - Sun, Nov 8

DFW

Dallas-Fort Worth Intl.

SNA

John Wayne

$61 Roundtrip, found 12 hours ago

$61

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Fri, Oct 23 from Dallas-Fort Worth Intl. to John Wayne, returning Sun, Nov 8, priced at $61 found 12 hours ago

Mon, Oct 26 - Fri, Oct 30

SFO

San Francisco Intl.

ONT

Ontario Intl. Airport

$65 Roundtrip, found 12 hours ago

$65

Roundtrip

found 12 hours ago

Select Frontier Airlines flight, departing Mon, Oct 26 from San Francisco Intl. to Ontario Intl. Airport, returning Fri, Oct 30, priced at $65 found 12 hours ago

Sat, Oct 24 - Wed, Nov 11

DEN

Denver Intl.

ONT

Ontario Intl. Airport

$79 Roundtrip, found 1 day ago

$79

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 $79 found 1 day ago