₹15,591 Cheap Flights from Washington (IAD) to Ontario (ONT)

View ₹15,591 flight on Tue, 13 Jan 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Los Angeles - Ontario Intl. Airport (ONT)

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

Prices were available within the past 7 days and start at ₹15,591 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 (IAD) to Ontario (ONT)

September is typically the cheapest month to fly

From ₹16,194 - ₹56,064 per traveller.
Flight from Washington to Ontario route information
Origin airport
Washington Dulles Intl.
Destination airport
Los Angeles - Ontario Intl.
Distance
3578 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 Washington Dulles Intl. to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from ₹15,591 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 Washington Dulles Intl. Airport (IAD) to Los Angeles - Ontario Intl. Airport (ONT)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from Washington Dulles Intl. Airport (IAD) to Los Angeles - Ontario Intl. Airport (ONT) was . Cheap tickets don't last long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAD to ONT?
The majority of flights can be cancelled online, but each air carrier has different terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from IAD to Los Angeles - Ontario Intl. Airport (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 IAD to ONT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAD to Los Angeles - Ontario Intl. Airport (ONT)?
Expect to be in the air for a while, as the flight distance between Chantilly and Ontario is 3,600 kilometres. Create a playlist of your favourite songs before leaving home to keep yourself entertained during the trip.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Ontario Airport?
You won't find any airlines operating directly between Dulles Intl. Airport and Los Angeles - Ontario Intl. Airport (ONT), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are Dulles Intl. Airport to ONT flight tickets cheaper when they're purchased at the last minute?
Flight tickets from IAD to Los Angeles - Ontario Intl. Airport (ONT) are available up to a year prior to departure on Expedia. And although you may occasionally score a great last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We're constantly updating our fares to bring you the best bargains, so keep checking in for all the latest specials.

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Ontario Airports

Los Angeles

Washington to Los Angeles Intl.
₹32,167.00
*Available to Expedia members.