NZ$333 Cheap Flights Ontario to Washington (ONT-DCA)

View NZ$333 flight on Fri, 9 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
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$585 Return, found 2 days ago
NZ$585
Return
found 2 days ago
Select American Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$585 found 2 days ago
American Airlines
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$622 Return, found 2 days ago
NZ$622
Return
found 2 days ago
Select American Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$622 found 2 days ago
Delta
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$624 Return, found 2 days ago
NZ$624
Return
found 2 days ago
Select Delta flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$624 found 2 days ago
American Airlines
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$631 Return, found 2 days ago
NZ$631
Return
found 2 days ago
Select American Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$631 found 2 days ago
American Airlines
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$633 Return, found 2 days ago
NZ$633
Return
found 2 days ago
Select American Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$633 found 2 days ago
Delta
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$634 Return, found 2 days ago
NZ$634
Return
found 2 days ago
Select Delta flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$634 found 2 days ago
American Airlines
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$658 Return, found 2 days ago
NZ$658
Return
found 2 days ago
Select American Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$658 found 2 days ago
Delta
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$661 Return, found 2 days ago
NZ$661
Return
found 2 days ago
Select Delta flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$661 found 2 days ago
American Airlines
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$670 Return, found 2 days ago
NZ$670
Return
found 2 days ago
Select American Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$670 found 2 days ago
American Airlines
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$679 Return, found 2 days ago
NZ$679
Return
found 2 days ago
Select American Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$679 found 2 days ago
Alaska Airlines
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$736 Return, found 2 days ago
NZ$736
Return
found 2 days ago
Select Alaska Airlines flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$736 found 2 days ago
United
Fri, 9 Jan - Tue, 13 Jan
ONT
Ontario
DCA
Washington
NZ$748 Return, found 2 days ago
NZ$748
Return
found 2 days ago
Select United flight, departing Fri, 9 Jan from Ontario to Washington, returning Tue, 13 Jan, priced at NZ$748 found 2 days ago
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Flight from Ontario to Washington route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Ronald Reagan Washington National
Return price
NZ$584
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$333 and roundtrip prices from NZ$585. 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$585. 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.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Los Angeles Intl. to Washington
NZ$479.80
*Available to Expedia members.