$143 Cheap United flights Washington (IAD) to Ontario (ONT)

$143 Cheap United flights Washington (IAD) to Ontario (ONT)

Prices were available within the past 7 days and start at $143 for one-way flights and $285 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Wed, Oct 15

IAD

Washington

ONT

Ontario

$285 Roundtrip, found 22 hours ago

$285

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Oct 7 from Washington to Ontario, returning Wed, Oct 15, priced at $285 found 22 hours ago

Wed, Oct 1 - Tue, Oct 7

IAD

Washington

ONT

Ontario

$290 Roundtrip, found 1 day ago

$290

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 1 from Washington to Ontario, returning Tue, Oct 7, priced at $290 found 1 day ago

Tue, Oct 7 - Wed, Oct 15

IAD

Washington

ONT

Ontario

$301 Roundtrip, found 22 hours ago

$301

Roundtrip

found 22 hours ago

Select United flight, departing Tue, Oct 7 from Washington to Ontario, returning Wed, Oct 15, priced at $301 found 22 hours ago

Wed, Oct 1 - Tue, Oct 7

IAD

Washington

ONT

Ontario

$310 Roundtrip, found 1 day ago

$310

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 1 from Washington to Ontario, returning Tue, Oct 7, priced at $310 found 1 day ago

Wed, Oct 1 - Tue, Oct 7

IAD

Washington

ONT

Ontario

$317 Roundtrip, found 1 day ago

$317

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 1 from Washington to Ontario, returning Tue, Oct 7, priced at $317 found 1 day ago

Wed, Oct 1 - Tue, Oct 7

IAD

Washington

ONT

Ontario

$326 Roundtrip, found 1 day ago

$326

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 1 from Washington to Ontario, returning Tue, Oct 7, priced at $326 found 1 day ago