$74 Cheap flights from Ronald Reagan Washington National to Los Angeles - Ontario Intl. (DCA to ONT)

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Find The Best Dates To Fly from Ronald Reagan Washington National to Los Angeles - Ontario Intl.

Amazing DCA to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $150 round trip and $74 one way. Prices and availability subject to change. Additional terms may apply.

Sat, May 4 - Tue, May 14
DCA
Washington
ONT
Ontario
$150 Roundtrip, found 2 hours ago
$150
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 4 from Washington to Ontario, returning Tue, May 14, priced at $150 found 2 hours ago
Wed, May 8 - Sat, May 18
DCA
Washington
ONT
Ontario
$152 Roundtrip, found 2 days ago
$152
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 8 from Washington to Ontario, returning Sat, May 18, priced at $152 found 2 days ago
Sat, May 4 - Tue, May 7
DCA
Washington
ONT
Ontario
$154 Roundtrip, found 5 hours ago
$154
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Sat, May 4 from Washington to Ontario, returning Tue, May 7, priced at $154 found 5 hours ago
Tue, May 7 - Tue, May 14
DCA
Washington
ONT
Ontario
$156 Roundtrip, found 2 hours ago
$156
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, May 7 from Washington to Ontario, returning Tue, May 14, priced at $156 found 2 hours ago
Sat, May 4 - Wed, May 15
DCA
Washington
ONT
Ontario
$158 Roundtrip, found 2 hours ago
$158
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, May 4 from Washington to Ontario, returning Wed, May 15, priced at $158 found 2 hours ago
Tue, Apr 30 - Tue, May 7
DCA
Washington
ONT
Ontario
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Apr 30 from Washington to Ontario, returning Tue, May 7, priced at $159 found 2 days ago
Wed, May 1 - Tue, May 7
DCA
Washington
ONT
Ontario
$160 Roundtrip, found 1 day ago
$160
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, May 1 from Washington to Ontario, returning Tue, May 7, priced at $160 found 1 day ago
Tue, May 7 - Wed, May 15
DCA
Washington
ONT
Ontario
$164 Roundtrip, found 2 hours ago
$164
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, May 7 from Washington to Ontario, returning Wed, May 15, priced at $164 found 2 hours ago
Tue, Apr 30 - Wed, May 1
DCA
Washington
ONT
Ontario
$165 Roundtrip, found 1 day ago
$165
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, Apr 30 from Washington to Ontario, returning Wed, May 1, priced at $165 found 1 day ago
Sat, Apr 27 - Wed, May 1
DCA
Washington
ONT
Ontario
$168 Roundtrip, found 1 day ago
$168
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Apr 27 from Washington to Ontario, returning Wed, May 1, priced at $168 found 1 day ago

Best Los Angeles - Ontario Intl. Flight and Hotel Packages

Los Angeles - Ontario Intl. flight + hotel packages - economy flights

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Baltimore (BWI) to Ontario (ONT)
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Prices and availability subject to change. Additional terms may apply.

Frequently asked questions

Can I catch a flight from DCA to Los Angeles - Ontario Intl. Airport (ONT) right now?
Ensure you go to our Covid-19 Travel Advisor to learn if there are any present travel advice reports and quarantine requirements in effect in Los Angeles - Ontario Intl. Airport (ONT) when jet-setting from DCA.
Are there direct flights from National Airport to ONT?
American Airlines, Delta and United Airlines will fly you to Ontario from Arlington with just one stopover. Unfortunately, there aren’t any direct flights between Ronald Reagan Washington National Airport (DCA) and Los Angeles - Ontario Intl. Airport (ONT) just yet.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to ONT, please visit our Customer Service Portal.
How long is the flight from DCA to Ontario Airport?
The travel time between National Airport and Los Angeles - Ontario Intl. Airport (ONT) is approximately 6 hours and 47 minutes. Make your journey pleasant by saving a few shows on your laptop or tablet and enjoying them with your seat reclined.
What is the flight distance from National Airport to ONT?
There’s a flight distance of 2,300 mi between Ronald Reagan Washington National Airport (DCA) and Ontario Airport. This is classified as a medium-haul flight. You’ll have plenty of time to watch the in-flight entertainment and squeeze in a snooze if you want to feel fresh on landing.
What airlines fly from DCA to Los Angeles - Ontario Intl. Airport (ONT)?
Currently, there are no direct flights provided between DCA and Los Angeles - Ontario Intl. Airport (ONT). Start planning early to save time and find a route with the least amount of connections.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Southwest Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Ronald Reagan Washington National
Traveling To
Los Angeles - Ontario Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$150

Route Info

Flight path for flights from Ronald Reagan National Airport to LA/Ontario International Airport.


Origin:
DCA - Ronald Reagan National Airport
Destination:
ONT - LA/Ontario International Airport
Distance:
2,311.00 miles

Airline carriers and aircraft used on flights from DCA to ONT


Airline Carrier
Aircraft
American Airlines
Embraer EMB.120 Brasilia

Discover our best flights from Washington DCA to Ontario ONT. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Washington DCA to Ontario ONT at the right price  

Airfares to Ontario ONT from Washington DCA currently cost between $150 and $168. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Washington DCA to Ontario ONT 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Washington DCA to Ontario ONT on Travelocity starting at $74. Prices and availability subject to change. Additional terms may apply. 

 

Get to Ontario ONT from Washington DCA quicker with direct flights. 

Get to Ontario faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to ONT from DCA to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Washington DCA to Ontario ONT

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ONT from DCA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Washington DCA to Ontario ONT today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Washington DCA to Ontario ONT. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Ontario ONT from Washington DCA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to ONT from DCA have this option.  

 

Travel with confidence when you book flights to Ontario ONT from Washington DCA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.