Cheap Alaska Airlines flights Washington (IAD) to Ontario (ONT)

Cheap Alaska Airlines flights Washington (IAD) to Ontario (ONT)

Prices were available within the past 7 days and start at for one-way flights and $321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 6 - Thu, May 7

IAD

Washington

ONT

Ontario

$321 Roundtrip, found 13 hours ago

$321

Roundtrip

found 13 hours ago

Select Alaska Airlines flight, departing Wed, May 6 from Washington to Ontario, returning Thu, May 7, priced at $321 found 13 hours ago