Cheap Flights From Ontario, California To Washington, D.C.

Airfare Details for flights from Ontario to Washington, D.C.

One more step to get low fare alerts

Flight from Ontario to Washington, D.C. (ONT-IAD)

Sorry, there are no longer active fares for this route that meet our Dealhounds' standards.

Send Me a Low Fare Alert from Ontario to Washington, D.C.

Our Dealhounds find some pretty amazing fares – but they sell out fast! Sign up now and we'll send you an alert whenever we find a great fare.

Recently Found Prices for This Route from $308

Other travelers recently found fares from Ontario to Washington, D.C. ranging from $308 to $636. Use this as a guide for your search.

Round Trip

One Way

From:

To:

Depart:

mm/dd/yyyy

Return:

mm/dd/yyyy

Travelers:

Class:

Prefer non-stop:

Reviews for Ontario to Washington, D.C. (ONT-IAD)

Not yet rated

Flown this route before? Write a review

Sample Fares found by other travelers within the past 72 hours

Price	From/To	Depart/Return	Airline

$308	Flight from Ontario to Dulles (ONT-IAD)	Wed, Feb 15 - Sat, Feb 25	Continental Airlines
$308	Flight from Ontario to Dulles (ONT-IAD)	Wed, Feb 15 - Sat, Feb 25	United Airlines
$365	Flight from Ontario to Dulles (ONT-IAD)	Mon, Feb 13 - Thu, Feb 16	Delta Air Lines
$379	Flight from Ontario to Dulles (ONT-IAD)	Thu, Feb 16 - Mon, Feb 20	Continental Airlines
$418	Flight from Ontario to Dulles (ONT-IAD)	Mon, Feb 13 - Thu, Feb 16	United Airlines
$418	Flight from Ontario to Dulles (ONT-IAD)	Mon, Feb 13 - Thu, Feb 16	Continental Airlines
$433	Flight from Ontario to Dulles (ONT-IAD)	Tue, Feb 14 - Mon, Feb 20	Continental Airlines
$603	Flight from Ontario to Dulles (ONT-IAD)	Fri, Feb 10 - Thu, Feb 16	American Airlines
$616	Flight from Ontario to Dulles (ONT-IAD)	Sat, Feb 11 - Wed, Feb 15	American Airlines
$636	Flight from Ontario to Dulles (ONT-IAD)	Fri, Feb 10 - Sun, Feb 12	American Airlines

There are approximately 252 flights covering the route from Ontario International Airport in Ontario to Dulles International Airport in Washington, D.C., provided by as many as 6 airlines.

The following airlines often offer cheap flights from Ontario to Washington, D.C.:

Continental Airlines
United Airlines
US Airways
Southwest Airlines
American Airlines

As an alternative to flying from Ontario, you may also want to try searching for cheap flights from Long Beach (LGB).

See What Our Dealhounds Have Found from Other Cities

Cheap Flights From Ontario, California To Washington, D.C.

Popular Destinations

Airfare Details for flights from Ontario to Washington, D.C.

Thanks for signing up!

Flight from Ontario to Washington, D.C. (ONT-IAD)

Send Me a Low Fare Alert from Ontario to Washington, D.C.

Recently Found Prices for This Route from $308

Thanks and Welcome!

Get Our Best Fares
in Your Inbox!

Cheap Flights From Ontario, California To Washington, D.C.

Popular Destinations

Airfare Details for flights from Ontario to Washington, D.C.

Thanks for signing up!

Flight from Ontario to Washington, D.C. (ONT-IAD)

Send Me a Low Fare Alert from Ontario to Washington, D.C.

Recently Found Prices for This Route from $308

Your Trip

Click the logos below to find the best price:

Thanks and Welcome!

Get Our Best Faresin Your Inbox!

Get Our Best Fares
in Your Inbox!