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Cheap flights from Ontario to Washington, D.C. Dulles Intl Airport from C$ 174

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
5 Nov — 12 Nov1
1 adult

Find flight deals from Ontario to Dulles Intl

Cheapest flights from Ontario to Dulles Intl
Explore the most affordable flight options available from Ontario to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Sat 14/125:00 p.m.YTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 4/17:00 a.m.IAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 31/10C$ 285
Mon 25/116:20 a.m.YYZ - IAD
1 stop14h 37mUnited Airlines
Tue 26/118:21 a.m.IAD - YYZ
Nonstop1h 37mUnited Airlines
Deal found 30/10C$ 305
Tue 26/1112:15 p.m.YYZ - IAD
Nonstop1h 36mAir Canada
Tue 3/122:35 p.m.IAD - YYZ
Nonstop1h 31mAir Canada
Deal found 31/10C$ 310
Mon 25/1110:25 a.m.YTZ - IAD
1 stop4h 48mAir Canada
Fri 29/113:55 p.m.IAD - YTZ
1 stop5h 55mAir Canada
Deal found 30/10C$ 317
Thu 28/118:55 p.m.YTZ - IAD
Nonstop1h 29mMultiple Airlines
Tue 3/123:55 p.m.IAD - YTZ
1 stop5h 55mMultiple Airlines
Deal found 30/10C$ 338
Thu 21/118:55 p.m.YYZ - IAD
1 stop10h 25mMultiple Airlines
Wed 11/1210:35 a.m.IAD - YYZ
Nonstop1h 31mMultiple Airlines
Deal found 30/10C$ 348
Tue 3/126:30 p.m.YUL - IAD
Nonstop2h 08mUnited Airlines
Wed 4/128:35 a.m.IAD - YUL
2 stops8h 42mUnited Airlines
Deal found 30/10C$ 365
Mon 25/118:55 p.m.YTZ - IAD
Nonstop1h 29mAir Transat
Thu 28/111:45 p.m.IAD - YTZ
Nonstop1h 30mAir Transat
Deal found 29/10C$ 373
Mon 16/126:40 p.m.YUL - IAD
1 stop3h 44mPorter Airlines
Tue 17/121:45 p.m.IAD - YUL
1 stop4h 15mPorter Airlines
Deal found 31/10C$ 374
Fri 6/125:45 p.m.YOW - IAD
1 stop4h 39mPorter Airlines
Tue 10/127:00 a.m.IAD - YOW
1 stop4h 11mPorter Airlines
Deal found 31/10C$ 388
Fri 13/122:45 p.m.YYZ - IAD
Nonstop1h 39mLufthansa
Sun 15/1210:09 p.m.IAD - YYZ
Nonstop1h 37mLufthansa
Deal found 30/10C$ 401
Fri 6/125:30 p.m.YYZ - IAD
1 stop5h 55mWestJet
Sat 7/126:00 a.m.IAD - YYZ
1 stop5h 06mWestJet
Deal found 29/10C$ 437

Find flights from Ontario to Dulles Intl within your budget

Customize your flight search to find flights from Ontario to Dulles Intl 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 527,020 searches. Data last updated 31 October 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Fri 22/11

11:30 a.m.-12:59 p.m.

Nonstop1h 29m

C$ 182

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 23/11

10:25 a.m.-3:13 p.m.

1 stop4h 48m

C$ 189

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 7/12

8:10 a.m.-9:46 a.m.

Nonstop1h 36m

C$ 198

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 13/11

8:00 p.m.-10:15 a.m.

1 stop14h 15m

C$ 209

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 21/11

11:30 a.m.-12:59 p.m.

Nonstop1h 29m

C$ 210

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 7/12

12:30 p.m.-5:34 p.m.

1 stop5h 04m

C$ 239

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Tue 19/11

6:05 a.m.-2:36 p.m.

2 stops8h 31m

C$ 285

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 27/11

12:15 p.m.-1:51 p.m.

Nonstop1h 36m

C$ 189

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Tue 26/11

7:00 a.m.-12:59 p.m.

1 stop5h 59m

C$ 231

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Wed 4/12

9:00 a.m.-12:59 p.m.

1 stop3h 59m

C$ 232

Flights are sorted by cheapest first

Deals found on 30/10

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Best time to book a flight from Ontario to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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 Dulles Intl

Get recent, data-driven insights about flights from Ontario to Dulles Intl 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. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Dulles Intl Airport (average of C$ 257). Flying from Region of Ontario to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of C$ 347). 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 IAD?

Find hourly flight availability from Ontario to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

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

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated 31 October 2024.
Read through reviews of airlines operating flights from Ontario to Washington, D.C., such as Porter Airlines, Air Canada and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
8,835 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
294 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
388 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
9,240 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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
2,804 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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 Dulles Intl. 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. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as C$ 174 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from C$ 189 and United Airlines from C$ 198 one-way.

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

    When deciding which route to take from Region of Ontario to Washington, D.C. Dulles Intl Airport consider Toronto Pearson Intl - Washington, D.C. Dulles Intl, Montreal Pierre Elliott Trudeau Intl - Washington, D.C. Dulles Intl or Toronto Island - Washington, D.C. Dulles Intl as they are the most popular.

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

    The top 3 most reliable airlines when flying from Region of Ontario to Washington, D.C. Dulles Intl Airport are ANA (92%), Copa Airlines (89%) and Republic Airways (89%).

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

    The cheapest flight price from Region of Ontario to Washington, D.C. Dulles Intl Airport is C$ 197. On average you can expect to pay C$ 1,344. The most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl), can usually be booked for C$ 316.

  • Can I find deals for flights from Ontario to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Ontario to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Dulles Intl?

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

  • Can I find deals for business class flights from Ontario to Dulles Intl?

    Yes. Cheapflights offers flight deals from Ontario to Dulles Intl 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. Dulles Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Dulles Intl Airport (average of C$ 257). Flying from Region of Ontario to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of C$ 347). 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 Dulles Intl

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
Pierre Elliott Trudeau Intl to Reagan-National flights
Toronto Island to Dulles Intl flights
Pearson Intl to Baltimore flights
Vancouver Intl to Baltimore flights
Vancouver Intl to Dulles Intl flights
Vancouver Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Baltimore flights
Ottawa to Dulles Intl flights
Ottawa to Reagan-National flights
Toronto Island to Baltimore flights
Calgary to Dulles Intl flights
Ottawa to Baltimore flights
Toronto Island to Reagan-National flights
Calgary to Reagan-National flights
Edmonton to Dulles Intl flights
Calgary to Baltimore flights
Edmonton to Baltimore flights
Winnipeg to Dulles Intl flights
Halifax to Dulles Intl flights
Winnipeg to Baltimore flights
Halifax to Reagan-National flights
Winnipeg to Reagan-National flights
Halifax to Baltimore flights
Edmonton to Reagan-National flights
Québec City to Dulles Intl flights
Saskatoon to Reagan-National flights
Saskatoon to Baltimore flights
Québec City to Reagan-National flights
Québec City to Baltimore flights
Victoria to Dulles Intl flights
Victoria to Reagan-National flights
Victoria to Baltimore flights
Regina to Dulles Intl flights
Fredericton to Dulles Intl flights
Regina to Reagan-National flights
Regina to Baltimore flights
St. John's to Reagan-National flights
St. John's to Dulles Intl flights
London to Dulles Intl flights
London to Baltimore flights
London to Reagan-National flights
Kelowna to Baltimore flights
Penticton to Dulles Intl flights
Kamloops to Baltimore flights

Top 4 airlines flying from Ontario to Dulles Intl

Discover the top 4 airlines that operate flights from Ontario to Dulles Intl. 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 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 254AverageC$ 346FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 281AverageC$ 493FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 286AverageC$ 465FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 463AverageC$ 583FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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How does Cheapflights help users find flights from Ontario to Dulles Intl?

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Can Cheapflights find flights from Ontario to Dulles Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Dulles Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Dulles Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Ontario today and book when prices fit your budget.

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