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Washington, D.C.

$140+ Cheap flights from Ontario to Washington, D.C. (WAS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — WAS
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Ontario to Washington, D.C.

Cheapest flights from Ontario to Washington, D.C.
Explore the most affordable flight options available from Ontario to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This oojo deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1111:30 amYTZ - IAD
Nonstop1h 29mPorter Airlines
Wed 12/187:00 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 11/20$215
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/145:20 pmYYZ - DCA
Nonstop1h 50mAmerican Airlines
Mon 12/1610:04 amDCA - YYZ
Nonstop1h 52mAmerican Airlines
Deal found 11/20$223
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1811:00 amYYZ - DCA
1 stop4h 19mAir Canada
Wed 12/256:59 amDCA - YYZ
Nonstop1h 35mAir Canada
Deal found 11/20$228
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/148:10 amYYZ - IAD
Nonstop1h 36mAir Canada
Tue 12/1710:35 amIAD - YYZ
Nonstop1h 31mAir Canada
Deal found 11/20$235
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1911:30 amYTZ - IAD
Nonstop1h 29mAir Transat
Sun 12/227:00 amIAD - YTZ
Nonstop1h 30mAir Transat
Deal found 11/20$241
This United deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:20 amYYZ - DCA
Nonstop1h 37mMultiple Airlines
Sun 1/56:59 amDCA - YYZ
Nonstop1h 35mMultiple Airlines
Deal found 11/20$242
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:30 amYYZ - BWI
2 stops10h 11mDelta
Sat 12/146:00 amBWI - YYZ
1 stop5h 06mDelta
Deal found 11/20$246
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/144:00 pmYYZ - DCA
1 stop5h 43mUnited Airlines
Tue 12/179:40 amDCA - YYZ
Nonstop1h 35mUnited Airlines
Deal found 11/20$256
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/146:05 pmYYZ - IAD
1 stop4h 43mUnited Airlines
Tue 12/172:35 pmIAD - YYZ
Nonstop1h 31mUnited Airlines
Deal found 11/20$256
This United deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1110:00 amYYZ - IAD
Nonstop1h 39mMultiple Airlines
Sat 12/143:55 pmIAD - YYZ
1 stop5h 55mMultiple Airlines
Deal found 11/20$266
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:25 amYTZ - IAD
1 stop4h 48mAir Canada
Sat 12/143:55 pmIAD - YTZ
1 stop5h 55mAir Canada
Deal found 11/20$267
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:15 pmYYZ - DCA
1 stop4h 15mDelta
Wed 12/119:49 amDCA - YYZ
1 stop6h 48mDelta
Deal found 11/20$272

Find flights from Ontario to Washington, D.C. within your budget

Customize your flight search to find flights from Ontario to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Wed 12/11

11:30 am-12:59 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 12/18

7:00 am-8:30 am

Nonstop1h 30m

$215

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 1/10

5:20 pm-7:10 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Sun 1/12

10:01 am-11:45 am

Nonstop1h 44m

$223

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Wed 12/18

11:00 am-3:19 pm

1 stop4h 19m

Washington, D.C. Reagan-National

Wed 12/25

6:59 am-8:34 am

Nonstop1h 35m

$228

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 12/14

8:10 am-9:46 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

Tue 12/17

10:35 am-12:06 pm

Nonstop1h 31m

$235

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 12/19

11:30 am-12:59 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sun 12/22

7:00 am-8:30 am

Nonstop1h 30m

$241

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Tue 12/10

7:20 am-8:57 am

Nonstop1h 37m

Washington, D.C. Reagan-National

Sun 1/5

6:59 am-8:34 am

Nonstop1h 35m

$242

TorontoBaltimore

YYZ - BWI

YYZBWI

Toronto Pearson Intl

Fri 1/17

10:05 am-9:28 pm

2 stops11h 23m

Baltimore/Washington

Thu 1/23

2:01 pm-11:55 pm

1 stop9h 54m

$246

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Sun 1/19

4:30 pm-6:07 pm

Nonstop1h 37m

Washington, D.C. Reagan-National

Mon 1/20

6:00 am-10:36 am

1 stop4h 36m

$249

TorontoWashington, D.C.

YYZ - DCA

YYZDCA

Toronto Pearson Intl

Fri 1/10

6:46 pm-10:53 pm

1 stop4h 07m

Washington, D.C. Reagan-National

Sun 1/12

8:00 am-4:11 pm

1 stop8h 11m

$254

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 1/9

6:00 am-11:47 am

1 stop5h 47m

Washington, D.C. Dulles Intl

Mon 1/13

12:27 pm-4:12 pm

1 stop3h 45m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ontario to Washington, D.C.

Get recent, data-driven insights about flights from Ontario to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Region of Ontario to Washington, D.C.?

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. (average of $300). Flying from Region of Ontario to Washington, D.C. in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to WAS?

Find hourly flight availability from Ontario to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Washington, D.C. as you normally would.

Weekly flight availability from Region of Ontario to Washington, D.C.

Explore weekly flight availability from Ontario to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from CAON to WAS are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated November 21, 2024.
Peruse reviews from past customers who have flown with Porter Airlines, Air Transat and Air Canada from Ontario to Washington, D.C. to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,758 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,758 reviews
Delta
8.0
Very good
8,758 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines
7.8
Good
286 reviews
Delta
8.0
Very good
8,758 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,758 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
9,172 reviews
Delta
8.0
Very good
8,758 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.3
Good
2,810 reviews
Delta
8.0
Very good
8,758 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ontario to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Region of Ontario to Washington, D.C. one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $140. However, be on the lookout for offers from Air Canada and Delta, as they are both options that can get you from Region of Ontario to Washington, D.C. for a low price.

  • What are the most popular routes from Region of Ontario to Washington, D.C.?

    Most travelers choose Toronto Pearson Intl - Washington, D.C. Reagan-National, Toronto Pearson Intl - Washington, D.C. Dulles Intl or Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl when deciding on the best route from Region of Ontario to Washington, D.C..

  • What are the most reliable airlines from Region of Ontario to Washington, D.C.?

    The top 3 most reliable airlines when flying from Region of Ontario to Washington, D.C. are Avianca (94%), Republic Airways (94%) and Copa Airlines (93%).

  • What are the cheapest flights from Region of Ontario to Washington, D.C.?

    On average you can expect to pay $824 for a flight from Region of Ontario to Washington, D.C.. The cheapest flight overall is $137 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Reagan-National) is currently priced at $242.

  • Can I find deals for flights from Ontario to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Ontario to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Washington, D.C..

  • Can I find deals for business class flights from Ontario to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Ontario to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Region of Ontario to Washington, D.C.?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. (average of $300). Flying from Region of Ontario to Washington, D.C. in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Reagan-National flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Toronto Island to Dulles Intl flights
Pierre Elliott Trudeau Intl to Reagan-National flights
Ottawa to Dulles Intl flights
Vancouver Intl to Dulles Intl flights
Ottawa to Reagan-National flights
Vancouver Intl to Reagan-National flights
Calgary to Dulles Intl flights
Toronto Island to Reagan-National flights
Calgary to Reagan-National flights
Winnipeg to Dulles Intl flights
Moncton to Dulles Intl flights
Québec City to Dulles Intl flights
Edmonton to Dulles Intl flights
Edmonton to Reagan-National flights
Halifax to Dulles Intl flights
Victoria to Dulles Intl flights
Winnipeg to Reagan-National flights
Québec City to Reagan-National flights
Halifax to Reagan-National flights
London to Reagan-National flights
Victoria to Reagan-National flights
St. John's to Dulles Intl flights
London to Dulles Intl flights
Saskatoon to Reagan-National flights
St. John's to Reagan-National flights
Fort McMurray to Reagan-National flights
Kelowna to Reagan-National flights
Whitehorse to Dulles Intl flights
Kelowna to Dulles Intl flights

Top 6 airlines flying from Ontario to Washington, D.C.

Discover the top 6 airlines that operate flights from Ontario to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$184Average$328FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$185Average$322FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$215Average$300FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$303FlexibilityNo cancel feeOn-time69%
DeltaCheapest$241Average$288FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$293Average$377FlexibilityNo cancel feeOn-time60%
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