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Amazing ONT to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $204 round trip and $103 one way. Prices and availability subject to change. Additional terms may apply.

FAQs about flights from Los Angeles - Ontario Intl. Airport (ONT) to Washington Dulles Intl. Airport (IAD)

Are there direct flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Prepare for a stopover when flying from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.). No direct flights are available on this route, however United Airlines, Delta Air Lines and American Airlines will get you to Washington as swiftly as possible.

How long is the flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

Leave the airplane feeling well-rested by enjoying some shut-eye and a snack during your flight to Washington, DC (IAD-Washington Dulles Intl.). With a travel time of around 5 hours and 42 minutes from Ontario, CA (ONT-Los Angeles - Ontario Intl.), you'll have more than enough time to enjoy both.

What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

With a flight distance of 2,237 miles separating Los Angeles and Washington, you'll be cruising at altitude for quite a while. It's the perfect opportunity to get engrossed in a movie, get some work out of the way or just sit back with a book.

What airlines fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?

No airlines currently offer direct flights between Ontario, CA (ONT-Los Angeles - Ontario Intl.) and Washington, DC (IAD-Washington Dulles Intl.). Save time and avoid unnecessary stopovers by researching the most efficient routes well in advance.

Flying Tips & Tricks How do I find my flight number?
  • Take a look at the itinerary in your inbox. It will be a mixture of numbers and letters that should be easy to locate.
How early can you check bags for a flight?
  • This can vary between airlines, but typically it's two hours ahead of departure for domestic flights and three hours before for international. Drop your bags off early and kick back with a coffee in the airport lounge. It sure beats rushing on the highway with only minutes to spare.

Los Angeles - Ontario Intl. to Washington Dulles Intl. Flight FAQ

Traveling FromLos Angeles - Ontario Intl.
Traveling ToWashington Dulles Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$204

Ontario to Washington Carriers and Route Information

Flight path for flights from LA/Ontario International Airport to Washington Dulles International Airport.


Distance:
2,394.00 miles


*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.