$158 Cheap Flights from Washington to Ontario

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

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 $318 round trip and $158 one way. Prices and availability subject to change. Additional terms may apply.

Best Los Angeles - Ontario Intl. Flight and Hotel Packages

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

Ontario Airport Hotel & Conference Center
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Frequently asked questions

 

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 $318

Route Info

Flight path for flights from Ronald Reagan National Airport to 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 $318 and $433. 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 $158. 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, June 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.