NT$4,301 Cheap Flights from Washington (DCA) to Ontario (ONT)

View NT$4,301 flight on Mon, 2025/9/29Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Washington to Ontario (DCA-ONT)

Prices were available within the past 7 days and start at NT$4,301 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Washington (DCA) to Ontario (ONT)
Origin airport
Ronald Reagan Washington National
Destination airport
Los Angeles - Ontario Intl.
Distance
3614 km

Washington to Los Angeles Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to Los Angeles will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Los Angeles.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with DCA to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Frequently asked questions

How much is a flight from National Airport to ONT?
Pack your bags, because round-trip journeys between National Airport and Los Angeles - Ontario Intl. Airport (ONT) start from . That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DCA to Los Angeles - Ontario Intl. Airport (ONT)?
Most flights can be canceled online, but whether you are charged a fee differs between airlines. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Ronald Reagan Washington National Airport (DCA) to ONT that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for National Airport to Ontario Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DCA to Ontario Airport?
The flight distance between DCA and Ontario Airport is 3,600 kilometers. Listen to some music or finish off your latest read and the trip will fly by.
Which airlines fly direct from National Airport to Los Angeles - Ontario Intl. Airport (ONT)?
Unfortunately, there aren't any airlines that fly direct between National Airport and ONT. You'll have to book a flight with at least one stop.
Are National Airport to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?
It is possible to find great last-minute deals from National Airport to Los Angeles - Ontario Intl. Airport (ONT), but there's no guarantee. As many airlines advertise prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can feel confident knowing you're always seeing the latest offers.

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Ontario nearby Airports

Los Angeles

Washington to Los Angeles Intl.
NT$8,175
*Available to Expedia members.