$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 $171 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Sat, Oct 4

ONT

Ontario

SEA

Seattle

$171 Roundtrip, found 6 days ago

$171

Roundtrip

found 6 days ago

Select United flight, departing Sat, Sep 27 from Ontario to Seattle, returning Sat, Oct 4, priced at $171 found 6 days ago

Sat, Sep 27 - Sat, Oct 4

ONT

Ontario

SEA

Seattle

$177 Roundtrip, found 6 days ago

$177

Roundtrip

found 6 days ago

Select United flight, departing Sat, Sep 27 from Ontario to Seattle, returning Sat, Oct 4, priced at $177 found 6 days ago

Sat, Sep 27 - Sat, Oct 4

ONT

Ontario

SEA

Seattle

$206 Roundtrip, found 6 days ago

$206

Roundtrip

found 6 days ago

Select United flight, departing Sat, Sep 27 from Ontario to Seattle, returning Sat, Oct 4, priced at $206 found 6 days ago

Sat, Sep 27 - Sat, Oct 4

ONT

Ontario

SEA

Seattle

$241 Roundtrip, found 6 days ago

$241

Roundtrip

found 6 days ago

Select United flight, departing Sat, Sep 27 from Ontario to Seattle, returning Sat, Oct 4, priced at $241 found 6 days ago

Sat, Sep 27 - Sat, Oct 4

ONT

Ontario

SEA

Seattle

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select United flight, departing Sat, Sep 27 from Ontario to Seattle, returning Sat, Oct 4, priced at $247 found 6 days ago

Sat, Sep 27 - Sat, Oct 4

ONT

Ontario

SEA

Seattle

$266 Roundtrip, found 6 days ago

$266

Roundtrip

found 6 days ago

Select United flight, departing Sat, Sep 27 from Ontario to Seattle, returning Sat, Oct 4, priced at $266 found 6 days ago