$89 Cheap United flights Ontario (ONT) to Seattle (SEA)

$89 Cheap United flights Ontario (ONT) to Seattle (SEA)

Prices were available within the past 7 days and start at $89 for one-way flights and $177 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 16 - Mon, Aug 25

ONT

Ontario

SEA

Seattle

$177 Roundtrip, found 2 days ago

$177

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 16 from Ontario to Seattle, returning Mon, Aug 25, priced at $177 found 2 days ago

Tue, Aug 19 - Fri, Aug 22

ONT

Ontario

SEA

Seattle

$183 Roundtrip, found 2 days ago

$183

Roundtrip

found 2 days ago

Select United flight, departing Tue, Aug 19 from Ontario to Seattle, returning Fri, Aug 22, priced at $183 found 2 days ago

Sat, Aug 16 - Mon, Aug 25

ONT

Ontario

SEA

Seattle

$195 Roundtrip, found 2 days ago

$195

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 16 from Ontario to Seattle, returning Mon, Aug 25, priced at $195 found 2 days ago

Sat, Aug 16 - Mon, Aug 25

ONT

Ontario

SEA

Seattle

$207 Roundtrip, found 2 days ago

$207

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 16 from Ontario to Seattle, returning Mon, Aug 25, priced at $207 found 2 days ago

Sat, Aug 16 - Mon, Aug 25

ONT

Ontario

SEA

Seattle

$213 Roundtrip, found 2 days ago

$213

Roundtrip

found 2 days ago

Select United flight, departing Sat, Aug 16 from Ontario to Seattle, returning Mon, Aug 25, priced at $213 found 2 days ago

Sat, Sep 27 - Tue, Oct 7

ONT

Ontario

SEA

Seattle

$215 Roundtrip, found 1 day ago

$215

Roundtrip

found 1 day ago

Select United flight, departing Sat, Sep 27 from Ontario to Seattle, returning Tue, Oct 7, priced at $215 found 1 day ago