$129 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

$129 Cheap American Airlines flights Seattle (SEA) to Ontario (ONT)

Prices were available within the past 7 days and start at $129 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, May 12 - Tue, May 13

SEA

Seattle

ONT

Ontario

$257 Roundtrip, found 2 days ago

$257

Roundtrip

found 2 days ago

Select American Airlines flight, departing Mon, May 12 from Seattle to Ontario, returning Tue, May 13, priced at $257 found 2 days ago