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Amazing ONT to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $202 round trip and $133 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 Airport (ONT-Los Angeles - Ontario Intl.) to Washington, DC Airport (IAD-Washington Dulles Intl.)?

If you'd rather travel as quickly as possible from Los Angeles to Washington, try United Airlines, Delta Air Lines and American Airlines. No airlines have direct flights between the two locations, so you'll need to make at least one stopover.

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

It generally takes around 5 hours and 36 minutes to fly from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to Washington, DC Airport (IAD-Washington Dulles Intl.). You'll be cruising at altitude for a while, so keep yourself entertained with a film or read a magazine.

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

Covering 2,237 miles between Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and Washington, DC Airport (IAD-Washington Dulles Intl.) calls for a glass of red and a binge-watching session. Put your seat back, pull a blanket over you and enjoy the journey.

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

Unfortunately, there are no airlines offering direct flights between Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and Washington, DC Airport (IAD-Washington Dulles Intl.). It's in your best interest to book well ahead to find the ideal price and route.

Flying Tips & Tricks How do I find my flight number?
  • Review the itinerary sitting in your inbox. Your flight number will be a combination of numbers and letters that should be easy to find.
How early can you check bags for a flight?
  • Check-in and baggage drop times can differ between airlines, but there are some basic rules. Boarding a domestic flight? You can usually check-in two hours prior to takeoff. For international flights, it's more like three hours.

ONT to IAD Frequently Asked Questions

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$202

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.