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$96+ Cheap flights from Washington, D.C. (WAS) to Ontario

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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYZ
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Ontario (CAON). 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 Washington, D.C. to Ontario

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

This Flightnetwork deal was found by Cheapflights users on 11/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/197:00 amIAD - YTZ
Nonstop1h 30mPorter Airlines
Thu 12/268:55 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Deal found 11/19$227
This Air Canada deal was found by Cheapflights users on 11/19. 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 12/1110:35 amIAD - YYZ
Nonstop1h 31mAir Canada
Sat 12/149:00 amYYZ - IAD
1 stop6h 13mAir Canada
Deal found 11/19$262
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/207:00 amIAD - YTZ
Nonstop1h 30mMultiple Airlines
Thu 12/268:55 pmYTZ - IAD
Nonstop1h 29mMultiple Airlines
Deal found 11/20$267
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.
Wed 12/112:55 pmDCA - YYZ
Nonstop1h 45mAmerican Airlines
Sun 1/1210:59 amYYZ - DCA
Nonstop1h 45mAmerican Airlines
Deal found 11/20$272
This Delta deal was found by Cheapflights users on 11/21. 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 12/116:00 amBWI - YYZ
1 stop7h 41mDelta
Sat 12/142:55 pmYYZ - BWI
1 stop9h 00mDelta
Deal found 11/21$273
This Air Canada deal was found by Cheapflights users on 11/19. 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 12/186:59 amDCA - YYZ
Nonstop1h 35mAir Canada
Wed 12/259:00 amYYZ - DCA
1 stop6h 19mAir Canada
Deal found 11/19$277
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/286:40 pmIAD - YYZ
1 stop29h 45mMultiple Airlines
Wed 12/48:00 pmYYZ - IAD
1 stop20h 56mMultiple Airlines
Deal found 11/20$285
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 12/113:55 pmIAD - YTZ
1 stop5h 55mAir Canada
Fri 12/138:25 amYTZ - IAD
1 stop6h 48mAir Canada
Deal found 11/20$286
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 12/116:00 amDCA - YTZ
1 stop5h 50mAir Canada
Thu 12/1210:25 amYTZ - DCA
1 stop4h 54mAir Canada
Deal found 11/20$286
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.
Tue 12/34:09 pmBWI - YYZ
1 stop8h 16mMultiple Airlines
Tue 12/107:20 amYYZ - BWI
3 stops25h 18mMultiple Airlines
Deal found 11/20$287
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.
Wed 12/1110:09 pmIAD - YYZ
Nonstop1h 37mUnited Airlines
Sat 12/146:15 amYYZ - IAD
Nonstop1h 48mUnited Airlines
Deal found 11/20$296
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 12/185:35 pmIAD - YYZ
1 stop5h 01mDelta
Tue 1/710:10 amYYZ - IAD
1 stop5h 43mDelta
Deal found 11/20$297

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

Customize your flight search to find flights from Washington, D.C. to Ontario 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

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Thu 12/19

7:00 am-8:30 am

Nonstop1h 30m

Toronto Island

Thu 12/26

8:55 pm-10:24 pm

Nonstop1h 29m

$227

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Tue 1/28

10:10 am-7:30 pm

1 stop9h 20m

Toronto Pearson Intl

Tue 2/4

8:15 pm-9:10 am

1 stop12h 55m

$256

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 12/11

10:35 am-12:06 pm

Nonstop1h 31m

Toronto Pearson Intl

Sat 12/14

9:00 am-3:13 pm

1 stop6h 13m

$262

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Fri 12/20

7:00 am-8:30 am

Nonstop1h 30m

Toronto Island

Thu 12/26

8:55 pm-10:24 pm

Nonstop1h 29m

$267

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 12/11

2:55 pm-4:40 pm

Nonstop1h 45m

Toronto Pearson Intl

Sun 1/12

10:59 am-12:44 pm

Nonstop1h 45m

$272

BaltimoreToronto

BWI - YYZ

BWIYYZ

Baltimore/Washington

Wed 12/11

6:00 am-1:41 pm

1 stop7h 41m

Toronto Pearson Intl

Sat 12/14

2:55 pm-11:55 pm

1 stop9h 00m

$273

Washington, D.C.Toronto

DCA - YYZ

DCAYYZ

Washington, D.C. Reagan-National

Wed 12/18

6:59 am-8:34 am

Nonstop1h 35m

Toronto Pearson Intl

Wed 12/25

9:00 am-3:19 pm

1 stop6h 19m

$277

Washington, D.C.Toronto

IAD - YTZ

IADYTZ

Washington, D.C. Dulles Intl

Wed 12/11

3:55 pm-9:50 pm

1 stop5h 55m

Toronto Island

Fri 12/13

8:25 am-3:13 pm

1 stop6h 48m

$286

Washington, D.C.Toronto

DCA - YTZ

DCAYTZ

Washington, D.C. Reagan-National

Wed 12/11

6:00 am-11:50 am

1 stop5h 50m

Toronto Island

Thu 12/12

10:25 am-3:19 pm

1 stop4h 54m

$286

Washington, D.C.Toronto

IAD - YYZ

IADYYZ

Washington, D.C. Dulles Intl

Wed 12/11

10:09 pm-11:46 pm

Nonstop1h 37m

Toronto Pearson Intl

Sat 12/14

6:15 am-8:03 am

Nonstop1h 48m

$296

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 Washington, D.C. to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Washington, D.C. 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 Washington, D.C. to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Region of Ontario (average of $242). Flying from Washington, D.C. to Region of Ontario in July is currently the most expensive (average of $359). 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 WAS to ON?

Find hourly flight availability from Washington, D.C. to Ontario. 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.

When flying from Washington, D.C. to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Explore weekly flight availability from Washington, D.C. to Ontario. 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 WAS to CAON 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 Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated November 21, 2024.
See what other customers who have flown with American Airlines, Air Canada and Delta from Washington, D.C. to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,458 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines
8.0
Very good
9,458 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta
8.0
Very good
8,759 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

KLM
7.8
Good
1,350 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Porter Airlines
7.8
Good
286 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Air Transat
7.8
Good
389 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Ontario. 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 Washington, D.C. to Region of Ontario one-way?

    $107 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from $110 and $112, respectively.

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

    The most popular flight routes from Washington, D.C. to Region of Ontario are Washington, D.C. Dulles Intl - Toronto Pearson Intl, Washington, D.C. Reagan-National - Toronto Pearson Intl and Washington, D.C. Reagan-National - Montreal Pierre Elliott Trudeau Intl.

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

    Before booking your flight to Region of Ontario from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Jazz (93%), ANA (93%), United Airlines( 93%).

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

    On average you can expect to pay $1,074 for a flight from Washington, D.C. to Region of Ontario. The cheapest flight overall is $112 while the most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl) is currently priced at $259.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Ontario 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 Washington, D.C. to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Region of Ontario (average of $242). Flying from Washington, D.C. to Region of Ontario in July is currently the most expensive (average of $359). 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 Washington, D.C. to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dulles Intl to Vancouver Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Vancouver Intl flights
Dulles Intl to Toronto Island flights
Dulles Intl to Calgary flights
Reagan-National to Toronto Island flights
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Reagan-National to Calgary flights
Dulles Intl to Québec City flights
Reagan-National to Québec City flights
Dulles Intl to Abbotsford flights
Reagan-National to Ottawa flights
Reagan-National to Abbotsford flights
Dulles Intl to Halifax flights
Reagan-National to Halifax flights
Reagan-National to Winnipeg flights
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Dulles Intl to Edmonton flights
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Dulles Intl to Winnipeg flights
Reagan-National to Kelowna flights
Dulles Intl to Hamilton flights
Dulles Intl to Saskatoon flights
Dulles Intl to Victoria flights
Reagan-National to Saskatoon flights
Dulles Intl to St. John's flights
Reagan-National to St. John's flights
Reagan-National to Victoria flights
Dulles Intl to Kamloops flights
Reagan-National to Red Deer flights
Reagan-National to Kamloops flights
Reagan-National to Sydney flights
Reagan-National to Moncton flights
Dulles Intl to Charlottetown flights
Dulles Intl to Sydney flights
Dulles Intl to London flights
Reagan-National to London flights
Dulles Intl to Prince George flights
Dulles Intl to Moncton flights
Dulles Intl to Sudbury flights

Top 7 airlines flying from Washington, D.C. to Ontario

Discover the top 7 airlines that operate flights from Washington, D.C. to Ontario. 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
Air CanadaCheapest$108Average$437FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$126Average$417FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$144Average$332FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$195Average$326FlexibilityNo cancel feeOn-time52%
DeltaCheapest$242Average$513FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$250Average$329FlexibilityNo cancel feeOn-time50%
WestJetCheapest$311Average$455FlexibilityNo cancel feeOn-time60%
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