$180 Cheap United flights Ontario (ONT) to Seattle (SEA)

$180 Cheap United flights Ontario (ONT) to Seattle (SEA)

Prices were available within the past 7 days and start at $180 for one-way flights and $356 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 22 - Thu, Jul 2

ONT

Ontario

SEA

Seattle

$356 Roundtrip, found 5 days ago

$356

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 22 from Ontario to Seattle, returning Thu, Jul 2, priced at $356 found 5 days ago