$118 Cheap United flights Washington (IAD) to Ontario (ONT)

$118 Cheap United flights Washington (IAD) to Ontario (ONT)

Prices were available within the past 7 days and start at $118 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 11 hours ago

$209

Roundtrip

found 11 hours ago

Select United flight, departing Sat, Nov 1 from Washington to Ontario, returning Tue, Nov 11, priced at $209 found 11 hours ago

Sat, Sep 6 - Wed, Sep 10

IAD

Washington

ONT

Ontario

$210 Roundtrip, found 10 hours ago

$210

Roundtrip

found 10 hours ago

Select United flight, departing Sat, Sep 6 from Washington to Ontario, returning Wed, Sep 10, priced at $210 found 10 hours ago

Tue, Aug 5 - Wed, Aug 13

IAD

Washington

ONT

Ontario

$214 Roundtrip, found 11 hours ago

$214

Roundtrip

found 11 hours ago

Select United flight, departing Tue, Aug 5 from Washington to Ontario, returning Wed, Aug 13, priced at $214 found 11 hours ago

Thu, Nov 13 - Fri, Nov 14

IAD

Washington

ONT

Ontario

$231 Roundtrip, found 6 hours ago

$231

Roundtrip

found 6 hours ago

Select United flight, departing Thu, Nov 13 from Washington to Ontario, returning Fri, Nov 14, priced at $231 found 6 hours ago