$99 Cheap United flights Seattle (SEA) to Ontario (ONT)

$99 Cheap United flights Seattle (SEA) to Ontario (ONT)

Prices were available within the past 7 days and start at $99 for one-way flights and $197 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 15 - Tue, Jul 22

SEA

Seattle

ONT

Ontario

$197 Roundtrip, found 2 days ago

$197

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 15 from Seattle to Ontario, returning Tue, Jul 22, priced at $197 found 2 days ago

Tue, Jul 15 - Tue, Jul 22

SEA

Seattle

ONT

Ontario

$232 Roundtrip, found 2 days ago

$232

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 15 from Seattle to Ontario, returning Tue, Jul 22, priced at $232 found 2 days ago

Tue, Jul 15 - Tue, Jul 22

SEA

Seattle

ONT

Ontario

$267 Roundtrip, found 2 days ago

$267

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 15 from Seattle to Ontario, returning Tue, Jul 22, priced at $267 found 2 days ago