$84 Cheap Flights from Washington (DCA) to Ontario (ONT)

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Cheap Flights from Ronald Reagan Washington National to Los Angeles - Ontario Intl.

Prices were available within the past 7 days and starts at $84 for one-way flights and $168 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
JetBlue Airways
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Delta
American Airlines
Flight from Washington to Ontario route information
Origin AirportRonald Reagan Washington National
Destination AirportLos Angeles - Ontario Intl.
Airlines ServingAlaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, United
Flight Price$168
Distance2258 mi

Washington to Ontario Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Washington to Ontario offer the perfect respite. Not only does exploring Ontario provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Washington to Ontario may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Ontario are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Ontario more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Ontario is $84 now!

Frequently asked questions

How much is a flight from DCA to ONT?
The lowest price advertised for a round-trip flight from Ronald Reagan Washington National Airport (DCA) to ONT is $168. But you better act quick. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from National Airport to Los Angeles - Ontario Intl. Airport (ONT)?
This can vary between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where you’ll find instructions on how to cancel online.
How do I find cheap flights from 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 ONT flights, you’ll see a “no change fees” filter for you to select.
How many hours is the flight from National Airport to ONT?
The flight time from National Airport to Los Angeles - Ontario Intl. Airport (ONT) is about 6 hours and 42 minutes. Grab your headphones, listen to your favorite tunes and the hours in the air will fly by.
How far is the flight from Ronald Reagan Washington National Airport (DCA) to Los Angeles - Ontario Intl. Airport (ONT)?
The flight distance from Ronald Reagan Washington National Airport (DCA) to ONT is 2,237 mi (3,600 km). Bring along a drink, a snack and a laptop filled with movies. Keep yourself busy in the air and the time will fly by.
Which airlines fly direct from DCA to Los Angeles - Ontario Intl. Airport (ONT)?
Flying directly between National Airport and ONT isn’t possible at the moment. However, you’ll still be able to find a flight to Ontario with at least one stop.
Are DCA to ONT flight tickets cheaper when they're purchased at the last minute?
Flight tickets from National Airport to Ontario Airport are available up to a year prior to departure on Expedia. And although you may pick up a fantastic last-minute deal, it’s not something you should bank on. Also, booking your flights 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.
Can I fly from National Airport to Los Angeles - Ontario Intl. Airport (ONT) right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from DCA to Los Angeles - Ontario Intl. Airport (ONT) please visit our COVID 19 travel advisor portal link
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