>
>
>
>
>
Flights from Ontario to Washington D.C.
Cheap flight deals from Ontario to Washington D.C.
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
-
Round-trip
-
One way
-
-
Cheapest nonstopONT 07:008h 2mNonstopDCA 18:02Ontario - Washington D.C. | Wed, Jun 4 | United AirlinesIAD 19:255h 38mNonstopSIN 22:03Washington D.C. - Ontario | Sat, Jun 7 | Hawaiian AirlinesAED 1,053 AED 1,1226% OFF6% OFFAED 1,122 AED 1,053
-
ONT 07:008h 15mNonstopDCA 18:15Ontario - Washington D.C. | Sun, May 25 | United AirlinesIAD 19:255h 38mNonstopSIN 22:03Washington D.C. - Ontario | Sat, May 31 | Alaska AirlinesAED 1,055 AED 1,1226% OFF6% OFFAED 1,122 AED 1,055
-
ONT 13:0814h 23m1 stopsIAD 06:31Ontario - Washington D.C. | Tue, May 13 | Frontier AirlinesIAD 07:4513h 3m1 stopsSIN 17:48Washington D.C. - Ontario | Sat, May 17 | Frontier AirlinesAED 506 AED 1,12255% OFF55% OFFAED 1,122 AED 506
-
ONT 13:0814h 23m1 stopsIAD 06:31Ontario - Washington D.C. | Tue, May 6 | Frontier AirlinesIAD 07:4515h 5m1 stopsSIN 19:50Washington D.C. - Ontario | Tue, May 13 | Frontier AirlinesAED 55451% OFFAED 1,122 AED 554
-
ONT 13:0814h 23m1 stopsIAD 06:31Ontario - Washington D.C. | Wed, May 14 | Frontier AirlinesIAD 07:4513h 3m1 stopsSIN 17:48Washington D.C. - Ontario | Sat, May 17 | Frontier AirlinesAED 56550% OFFAED 1,122 AED 565
-
ONT 17:159h 40m1 stopsIAD 05:55Ontario - Washington D.C. | Sat, May 31 | Frontier AirlinesIAD 19:255h 38mNonstopSIN 22:03Washington D.C. - Ontario | Sat, Jun 7 | Alaska AirlinesAED 66641% OFFAED 1,122 AED 666
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Wed, May 7 | Frontier AirlinesIAD 16:008h 35m1 stopsSIN 21:35Washington D.C. - Ontario | Thu, May 8 | Frontier AirlinesAED 67040% OFFAED 1,122 AED 670
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Mon, May 19 | Frontier AirlinesIAD 16:318h 4m1 stopsSIN 21:35Washington D.C. - Ontario | Wed, May 21 | Frontier AirlinesAED 69138% OFFAED 1,122 AED 691
-
ONT 17:159h 40m1 stopsIAD 05:55Ontario - Washington D.C. | Sat, May 24 | Frontier AirlinesIAD 19:255h 38mNonstopSIN 22:03Washington D.C. - Ontario | Fri, May 30 | Hawaiian AirlinesAED 71237% OFFAED 1,122 AED 712
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Sat, May 10 | Frontier AirlinesDCA 18:009h 30m1 stopsSIN 00:30Washington D.C. - Ontario | Tue, May 13 | Frontier AirlinesAED 82926% OFFAED 1,122 AED 829
-
ONT 00:598h 1m1 stopsDCA 12:00Ontario - Washington D.C. | Tue, Jun 3 | Frontier AirlinesDCA 18:009h 29m1 stopsSIN 00:29Washington D.C. - Ontario | Sat, Jun 7 | Frontier AirlinesAED 84125% OFFAED 1,122 AED 841
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Thu, May 8 | Frontier AirlinesIAD 16:008h 53m1 stopsSIN 21:53Washington D.C. - Ontario | Sun, May 11 | Frontier AirlinesAED 90919% OFFAED 1,122 AED 909
-
ONT 13:0017h 25m1 stopsWAS Invalid DateOntario - Washington D.C. | Tue, May 6 | Normal AirlineWAS 15:006hNonstopONT 16:00Washington D.C. - Ontario | Thu, May 8 | Normal AirlineFind More FlightsFind More Flights
-
Cheapest nonstopONT 07:008h 15mNonstopDCA 18:15Ontario - Washington D.C. | Sun, May 25 | United AirlinesAED 520 AED 92244% OFF44% OFFAED 922 AED 520
-
ONT 07:008h 2mNonstopDCA 18:02Ontario - Washington D.C. | Wed, Jun 4 | United AirlinesAED 570 AED 92238% OFF38% OFFAED 922 AED 570
-
ONT 12:166h 43m1 stopsDCA 21:59Ontario - Washington D.C. | Wed, May 21 | Frontier AirlinesAED 323 AED 92265% OFF65% OFFAED 922 AED 323
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Thu, May 15 | Frontier AirlinesAED 33064% OFFAED 922 AED 330
-
ONT 12:3914h 54m1 stopsIAD 06:33Ontario - Washington D.C. | Wed, Jun 11 | Frontier AirlinesAED 33863% OFFAED 922 AED 338
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Tue, May 6 | Frontier AirlinesAED 37859% OFFAED 922 AED 378
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Tue, May 20 | Frontier AirlinesAED 37859% OFFAED 922 AED 378
-
ONT 13:0814h 23m1 stopsIAD 06:31Ontario - Washington D.C. | Tue, May 13 | Frontier AirlinesAED 40056% OFFAED 922 AED 400
-
ONT 13:0814h 23m1 stopsIAD 06:31Ontario - Washington D.C. | Wed, May 14 | Frontier AirlinesAED 40056% OFFAED 922 AED 400
-
ONT 00:5918h1 stopsDCA 21:59Ontario - Washington D.C. | Sat, May 10 | Frontier AirlinesAED 40056% OFFAED 922 AED 400
-
ONT 00:5918h1 stopsDCA 21:59Ontario - Washington D.C. | Wed, May 7 | Frontier AirlinesAED 47548% OFFAED 922 AED 475
-
ONT 00:598h 8m1 stopsDCA 12:07Ontario - Washington D.C. | Mon, May 12 | Frontier AirlinesAED 8666% OFFAED 922 AED 866
-
ONT 13:0017h 25m1 stopsWAS Invalid DateOntario - Washington D.C. | Tue, May 6 | Normal AirlineFind More FlightsFind More Flights
-
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Ontario to Washington D.C.
Cheapest one-way flight price | AED 323 |
---|---|
Cheapest return ticket price | AED 665 |
Off-season for travel | April |
Peak season for travel | July |
Flight distance | 8,889.01 km |
Popular airline | United Airlines |
When is the cheapest time to fly from Ontario to Washington D.C.?
We monitor flight fares to help you find the best deals effortlessly
Cheapest flights
From price
Search
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
-
When are flight tickets from Ontario (ONT) to Washington D.C. (WAS) the cheapest?
Airlines adjust prices for flights from Ontario to Washington D.C. based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Ontario (ONT) to Washington D.C. (WAS) cost?
According to Trip.com's data, the lowest price is around AED 1,155. -
How many airports are there in Washington D.C. (WAS)?
There are 2 airport(s) near Washington D.C. (WAS): Ronald Reagan Washington National Airport and Dulles International Airport.
How to find a cheap flight from Ontario to Washington D.C.
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Washington D.C.. Book your flights at the right time and save more.
Being flexible with your dates to get the cheapest Ontario to Washington D.C. ticket.
Tap "Date" on flight search bar to scan through the calender for Ontario to Washington D.C. airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Sun, May 25 at AED 520 for one-way flights.
Compare cheap Ontario to Washington D.C. flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Ontario to Washington D.C.. The cheapest airline operating is United Airlines.
Set up a Price Alert
By setting up a Price Alert for your Ontario to Washington D.C. route, you can easily track the price of your airline tickets from without manually checking every day.
Don't miss cheap Ontario to Washington D.C. flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Ontario to Washington D.C. to get exclusive deals for you.
More Travel Options
-
Top Routes from Ontario
-
Top Routes to Washington D.C.
-
Trending Airlines
- Cheap flights from Ontario to Kuqa
- Best offers Ontario to Anqing flights
- Best offers Ontario to Toyooka flights
- Best offers Ontario to Rize flights
- Best offers Ontario to Pagadian flights
- Cheap flights from Ontario to Huai'an
- Flights from Ontario to Catamarca
- Best offers Ontario to Hotan flights
- Best offers Ontario to Constantine flights
- Flights from Ontario to Uralsk
- Flights from Boston to Washington D.C.
- Best offers Abu Dhabi to Washington D.C. flights
- Best offers Doha to Washington D.C. flights
- Flights from Dubai to Washington D.C.
- Cheap flights from Vancouver to Washington D.C.
- Cheap flights from Houston to Washington D.C.
- Flights from Las Vegas to Washington D.C.
- Best offers Orlando to Washington D.C. flights
- Best offers Cairo to Washington D.C. flights
- Flights from Minneapolis to Washington D.C.