$254 Cheap United flights Ontario Intl. Airport (ONT) to Washington (IAD)

$254 Cheap United flights Ontario Intl. Airport (ONT) to Washington (IAD)

Prices were available within the past 7 days and start at $254 for one-way flights and $369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 7 - Wed, Jul 15

ONT

Ontario

IAD

Washington

$369 Roundtrip, found 1 day ago

$369

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jul 7 from Ontario to Washington, returning Wed, Jul 15, priced at $369 found 1 day ago

Tue, Jul 7 - Wed, Jul 15

ONT

Ontario

IAD

Washington

$411 Roundtrip, found 1 day ago

$411

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jul 7 from Ontario to Washington, returning Wed, Jul 15, priced at $411 found 1 day ago

Fri, Jul 10 - Wed, Jul 15

ONT

Ontario

IAD

Washington

$417 Roundtrip, found 1 day ago

$417

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 10 from Ontario to Washington, returning Wed, Jul 15, priced at $417 found 1 day ago

Fri, Jul 10 - Wed, Jul 15

ONT

Ontario

IAD

Washington

$424 Roundtrip, found 1 day ago

$424

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 10 from Ontario to Washington, returning Wed, Jul 15, priced at $424 found 1 day ago

Fri, Jul 10 - Mon, Jul 13

ONT

Ontario

IAD

Washington

$444 Roundtrip, found 1 day ago

$444

Roundtrip

found 1 day ago

Select United flight, departing Fri, Jul 10 from Ontario to Washington, returning Mon, Jul 13, priced at $444 found 1 day ago

Tue, Jul 7 - Wed, Jul 15

ONT

Ontario

IAD

Washington

$453 Roundtrip, found 1 day ago

$453

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jul 7 from Ontario to Washington, returning Wed, Jul 15, priced at $453 found 1 day ago