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$157 Cheap United flights Washington (IAD) to Ontario (ONT)
Prices were available within the past 7 days and start at $157 for one-way flights and $209 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 1 - Tue, Nov 11
IAD
Washington
ONT
Ontario
$209 Roundtrip, found 16 hours ago
$209
Roundtrip
found 16 hours ago

Sat, Sep 6 - Wed, Sep 10
IAD
Washington
ONT
Ontario
$210 Roundtrip, found 14 hours ago
$210
Roundtrip
found 14 hours ago

Tue, Aug 5 - Wed, Aug 13
IAD
Washington
ONT
Ontario
$214 Roundtrip, found 15 hours ago
$214
Roundtrip
found 15 hours ago

Thu, Nov 13 - Fri, Nov 14
IAD
Washington
ONT
Ontario
$231 Roundtrip, found 10 hours ago
$231
Roundtrip
found 10 hours ago
Origin airport | Washington Dulles Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United |
Popular airline | American Airlines |
Distance | 2236 mi |
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