₹41,665 Cheap Flights from Washington (DCA) to Ontario (ONT)

View ₹41,665 flight on Sun, 28 Dec 2025Opens in a new window

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

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Cheap Flights from Washington (DCA) to Ontario (ONT)

Prices were available within the past 7 days and start at ₹41,665 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Washington (DCA) to Ontario (ONT)

January is typically the cheapest month to fly

From ₹11,997 - ₹37,453 per traveller.
Flight from Washington to Ontario route information
Origin airport
Ronald Reagan Washington National
Destination airport
Los Angeles - Ontario Intl.
Distance
3614 km

Perfect flights from Washington to Ontario

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Ontario. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Ronald Reagan Washington National to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from ₹41,665 and roundtrip prices . Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Los Angeles - Ontario Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Ontario.

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 cancelled 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 kilometres. 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.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Washington to Los Angeles Intl.
₹23,131.00

Orange County

Washington to John Wayne
₹36,847.00
*Available to Expedia members.