Beginning of main content
Round Trip Icon
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5
Due to coronavirus (COVID-19) travel advisories, some destinations may be unavailable for certain dates. Find out more.

Change your flight without a fee on select flights

Feel at ease with free flight cancellations within 24 hours of booking

Amazing DCA to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $240 round trip and $131 one way. Prices and availability subject to change. Additional terms may apply.

Best Los Angeles - Ontario Intl. Flight and Hotel Packages

Los Angeles - Ontario Intl. flight + hotel packages - economy flights

Los Angeles - Ontario Intl. flight + hotel packages - first class flights

FAQs about flights from Ronald Reagan Washington National Airport (DCA) to Los Angeles - Ontario Intl. Airport (ONT)

Can I catch a flight from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) right now?

For info on any current Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) travel advice and quarantine requirements, visit our Covid-19 Travel Advisor. Look before you arrange your flight, so you don't get caught out.

Are there direct flights from DCA to Ontario Airport?

Prepare for a stopover when flying from National Airport to ONT. No direct flights are available on this route, however American Airlines, Air France and KLM will get you to Los Angeles as speedily as possible.

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Los Angeles - Ontario Intl. Airport (ONT), please visit our Customer Service Portal.

How long is the flight from National Airport to Ontario Airport?

Step off the plane feeling relaxed by having a sleep and a snack during your flight to ONT. With an usual travel time of 7 hours and 8 minutes from Washington, DC Airport (DCA-Ronald Reagan Washington National), you'll have more than enough time to enjoy both.

What is the flight distance from Washington, DC Airport (DCA-Ronald Reagan Washington National) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.)?

The distance from Ronald Reagan Washington National Airport (DCA) to Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) is 2,548 mi. Aside from cramming your devices with more shows, it'll be wise to have a travel pillow and a pullover as well.

What airlines fly from National Airport to Los Angeles - Ontario Intl. Airport (ONT)?

Given there are no direct flights available between National Airport and ONT, you'll have at least one stopover. Best to plan ahead in order to find the most efficient route and save some time.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.

Ronald Reagan Washington National to Los Angeles - Ontario Intl. Flight FAQ

Traveling FromRonald Reagan Washington National
Traveling ToLos Angeles - Ontario Intl.
Shortest Flight Time hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price$240

Route Info

Flight path for flights from Ronald Reagan National Airport to LA/Ontario International Airport.


Distance:
2,311.00 miles

Airline carriers and aircraft used on flights from DCA to ONT


Airline Carrier
Aircraft
American Airlines
Embraer EMB.120 Brasilia

Popular Flight Routes from Washington (DCA)

Travelers at DCA love to visit these top cities. Roam to the top destinations from Washington (DCA) today with the cheap prices from Travelocity!

Popular Flight Routes from Ontario (ONT)

Travelers at ONT love to visit these top cities. Roam to the top destinations from Ontario(ONT) today with the cheap prices from Travelocity!

*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.