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$308 Cheap American Airlines flights Washington (IAD) to Ontario Intl. Airport (ONT)

View $308 flight on Mon, Sep 14, 2026Opens in a new window

$308 Cheap American Airlines flights Washington (IAD) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at $308 for one-way flights and $426 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 13 - Sat, Oct 31
IAD
Washington
ONT
Ontario
$426 Roundtrip, found 15 hours ago
$426
Roundtrip
found 15 hours ago
Select American Airlines flight, departing Tue, Oct 13 from Washington to Ontario, returning Sat, Oct 31, priced at $426 found 15 hours ago

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Ontario Intl. Airport
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
American Airlines
Distance
3578 km

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