$74 Cheap Frontier Airlines flights Seattle Paine Field Intl. Airport (PAE) to Ontario (ONT)

$74 Cheap Frontier Airlines flights Seattle Paine Field Intl. Airport (PAE) to Ontario (ONT)

Prices were available within the past 7 days and start at $74 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 28 - Mon, Dec 8

PAE

Seattle

ONT

Ontario

$134 Roundtrip, found 4 days ago

$134

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Nov 28 from Seattle to Ontario, returning Mon, Dec 8, priced at $134 found 4 days ago

Fri, Nov 28 - Mon, Dec 8

PAE

Seattle

ONT

Ontario

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Nov 28 from Seattle to Ontario, returning Mon, Dec 8, priced at $137 found 1 day ago

Fri, Nov 28 - Fri, Dec 5

PAE

Seattle

ONT

Ontario

$148 Roundtrip, found 4 days ago

$148

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Nov 28 from Seattle to Ontario, returning Fri, Dec 5, priced at $148 found 4 days ago

Fri, Nov 28 - Mon, Dec 1

PAE

Seattle

ONT

Ontario

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Nov 28 from Seattle to Ontario, returning Mon, Dec 1, priced at $154 found 1 day ago

Fri, Nov 21 - Mon, Dec 8

PAE

Seattle

ONT

Ontario

$176 Roundtrip, found 1 day ago

$176

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Nov 21 from Seattle to Ontario, returning Mon, Dec 8, priced at $176 found 1 day ago

Mon, Dec 1 - Fri, Dec 5

PAE

Seattle

ONT

Ontario

$350 Roundtrip, found 4 days ago

$350

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Dec 1 from Seattle to Ontario, returning Fri, Dec 5, priced at $350 found 4 days ago