NZ$287 Cheap Flights Ontario to Washington (ONT-DCA)

View NZ$287 flight on Sat, 17 Jan 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 17 Jan - Sat, 24 Jan
ONT
Ontario
DCA
Washington
NZ$547 Return, found 22 hours ago
NZ$547
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Ontario to Washington, returning Sat, 24 Jan, priced at NZ$547 found 22 hours ago
American Airlines
Sat, 17 Jan - Sat, 24 Jan
ONT
Ontario
DCA
Washington
NZ$550 Return, found 22 hours ago
NZ$550
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Ontario to Washington, returning Sat, 24 Jan, priced at NZ$550 found 22 hours ago
Delta
Sat, 17 Jan - Tue, 20 Jan
ONT
Ontario
DCA
Washington
NZ$573 Return, found 22 hours ago
NZ$573
Return
found 22 hours ago
Select Delta flight, departing Sat, 17 Jan from Ontario to Washington, returning Tue, 20 Jan, priced at NZ$573 found 22 hours ago
American Airlines
Sat, 17 Jan - Sat, 24 Jan
ONT
Ontario
DCA
Washington
NZ$586 Return, found 22 hours ago
NZ$586
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Ontario to Washington, returning Sat, 24 Jan, priced at NZ$586 found 22 hours ago
Delta
Sat, 17 Jan - Sat, 24 Jan
ONT
Ontario
DCA
Washington
NZ$589 Return, found 22 hours ago
NZ$589
Return
found 22 hours ago
Select Delta flight, departing Sat, 17 Jan from Ontario to Washington, returning Sat, 24 Jan, priced at NZ$589 found 22 hours ago
American Airlines
Sat, 17 Jan - Sat, 24 Jan
ONT
Ontario
DCA
Washington
NZ$595 Return, found 22 hours ago
NZ$595
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Ontario to Washington, returning Sat, 24 Jan, priced at NZ$595 found 22 hours ago
American Airlines
Sat, 17 Jan - Sat, 24 Jan
ONT
Ontario
DCA
Washington
NZ$598 Return, found 22 hours ago
NZ$598
Return
found 22 hours ago
Select American Airlines flight, departing Sat, 17 Jan from Ontario to Washington, returning Sat, 24 Jan, priced at NZ$598 found 22 hours ago
Hawaiian Airlines
Thu, 15 Jan - Tue, 20 Jan
ONT
Ontario
DCA
Washington
NZ$656 Return, found 22 hours ago
NZ$656
Return
found 22 hours ago
Select Hawaiian Airlines flight, departing Thu, 15 Jan from Ontario to Washington, returning Tue, 20 Jan, priced at NZ$656 found 22 hours ago
United
Sat, 17 Jan - Sat, 24 Jan
ONT
Ontario
DCA
Washington
NZ$763 Return, found 22 hours ago
NZ$763
Return
found 22 hours ago
Select United flight, departing Sat, 17 Jan from Ontario to Washington, returning Sat, 24 Jan, priced at NZ$763 found 22 hours ago
Alaska Airlines
Fri, 16 Jan - Fri, 23 Jan
ONT
Ontario
DCA
Washington
NZ$773 Return, found 22 hours ago
NZ$773
Return
found 22 hours ago
Select Alaska Airlines flight, departing Fri, 16 Jan from Ontario to Washington, returning Fri, 23 Jan, priced at NZ$773 found 22 hours ago
Flight from Ontario to Washington route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Return price
NZ$546
Distance
3614 km

Perfect flights from Ontario to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Ontario to Washington. 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 Los Angeles - Ontario Intl. to Ronald Reagan Washington National ticket options cater to your travel preferences, with incredible one-way fares from NZ$287 and roundtrip prices from NZ$547. 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 Ronald Reagan Washington National 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 Washington.

Frequently asked questions

How much is a flight from ONT to National Airport?
Round-trip tickets from Ontario Airport to DCA start from NZ$547. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to National Airport?
We get that things come up unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Ontario Airport to DCA 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 Los Angeles - Ontario Intl. Airport (ONT) to National Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to DCA?
It's around 3 600 kilometres between Ontario and Arlington, so you'll be in your seat for a while. Keep yourself occupied with things like a magazine or a good old-fashioned book.
Which airlines fly direct from Ontario Airport to DCA?
If you want to travel straight from Ontario Airport to National Airport, you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly between these airports.
Are Los Angeles - Ontario Intl. Airport (ONT) to National Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Ontario Airport to National Airport last minute could be your ticket to an awesome deal. However, it could end up costing a good deal more! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

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Ontario Airports

Los Angeles

Los Angeles Intl. to Washington
NZ$447.10

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