DCA to ONT (Washington to Ontario) Flights

Last Minute Flights from DCA to ONT

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
DCALos AngelesMarch 29 to April 3$580
*Prices include taxes and fees

Cheapest DCA to ONT Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
DCALos AngelesMay 4 to May 9$160
DCALos AngelesApril 29 to May 5$311
DCALos AngelesApril 28 to April 29$311
DCALos AngelesApril 15 to April 21$311
DCALos AngelesApril 15 to April 21$375
*Prices include taxes and fees
DCA to ONT Flight Details
Origin airport
Ronald Reagan Washington National
Origin airport IATA code
DCA
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Distance
2258 mi

Frequently asked questions

What airlines fly direct from National Airport to Los Angeles - Ontario Intl. Airport (ONT)?
No airlines fly straight from Ronald Reagan Washington National Airport (DCA) to Ontario Airport. If you're thinking of visiting Ontario, you'll have to book a flight with one stop at least.
How many flights are there from DCA to ONT?
Around 36 a day. If you're in a rush to head to Ontario, see if you can find a last-minute deal from Washington, DC (DCA-Ronald Reagan Washington National) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) and then lock it in pronto!
How long does it take to fly from Washington, DC (DCA-Ronald Reagan Washington National) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
While you won't be in your seat for an eternity from Washington, DC (DCA-Ronald Reagan Washington National) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), 7 hours and 1 minute is no quick trip either. Contemplate upgrading your fare if you'd like the comfort of more legroom.
What is the flight distance from Washington, DC (DCA-Ronald Reagan Washington National) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
At a distance of 2,300 miles (3,600 1), you'll be in the air for some time during this medium-haul flight. Want legroom? Grab an aisle seat. Otherwise, commandeer a window and gaze out at the changing scenery between Arlington and Ontario.
How many morning flights are there from DCA to ONT?
The DCA to ONT route has lots of options, with 118 morning flights available each week.

  • American Airlines (AA) offers 66 weekly services that leave before noon. The first one to depart is 5:00AM.
  • Delta Air Lines (DL) is one more choice. It lists 33 flights in the morning every week, with the earliest departure being 6:00AM.

How many afternoon flights are there from DCA to ONT?
If the words "early mornings" just aren't in your vocabulary, take one of the 137 weekly afternoon and evening flights from DCA to ONT.

  • Consider booking your seat with American Airlines (AA). This carrier operates 54 flights a week that leave after midday. The earliest service is 12:27PM.
  • Delta Air Lines (DL) offers 44 afternoon and evening flights each week. The first departure is at 12:10PM.
  • Otherwise, get on board with Frontier Airlines (F9). This carrier has 14 flights per week after midday, with the earliest leaving at 12:50PM.

What is the earliest departure time out of Arlington to Ontario?
5:00AM is the first flight out of DCA, arriving at ONT at 9:59PM. Save precious time in the morning by having your suitcase zipped up and ready to go.
What is the latest departure time out of Arlington to Ontario?
From DCA, the last flight leaves at 8:20PM and comes in at 2:40PM at ONT. If you're not a fan of early starts, this is the flight to book.
What is the average price from Arlington to Ontario?
Round-trip journeys between DCA and ONT begin from around $160. When you're ready to take off, we'll help you score the best possible price. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Washington to Ontario Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Washington to Ontario to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from DCA to ONT, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Washington to Ontario, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

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