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Dulles Intl

$135+ Cheap flights from Ontario to Dulles Intl (IAD)

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 — IAD
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Ontario to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Dulles Intl (IAD). 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 December 22, 2024.

Round-trip from

$210
(Trip.com)

One-way from

$135
(Trip.com)
From Ontario to Washington, D.C. Dulles Intl
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One-way flight from Ontario to Washington, D.C. Dulles Intl
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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 December 22, 2024.

This Gotogate deal was found by Cheapflights users on 12/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:55 pmYTZ - IAD
Nonstop1h 29mPorter Airlines
Sat 1/41:45 pmIAD - YTZ
Nonstop1h 30mPorter Airlines
Deal found 12/21$306
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:50 amYUL - IAD
1 stop6h 09mPorter Airlines
Thu 1/162:10 pmIAD - YUL
1 stop5h 15mPorter Airlines
Deal found 12/21$334
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:40 pmYYZ - IAD
Nonstop1h 41mAir Canada
Mon 1/612:38 pmIAD - YYZ
Nonstop1h 40mAir Canada
Deal found 12/21$370
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:10 amYYZ - IAD
Nonstop1h 36mUnited Airlines
Tue 1/78:22 amIAD - YYZ
1 stop5h 21mUnited Airlines
Deal found 12/21$387
This United deal was found by Cheapflights users on 12/21. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:10 amYYZ - IAD
Nonstop1h 36mMultiple Airlines
Tue 12/3110:10 pmIAD - YYZ
Nonstop1h 36mMultiple Airlines
Deal found 12/21$396
This Justfly.com deal was found by Cheapflights users on 12/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/289:40 amYOW - IAD
1 stop3h 19mPorter Airlines
Mon 1/132:10 pmIAD - YOW
1 stop6h 24mPorter Airlines
Deal found 12/21$417
This WestJet deal was found by Cheapflights users on 12/21. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/316:15 amYYZ - IAD
1 stop15h 25mWestJet
Mon 1/612:52 pmIAD - YYZ
1 stop22h 15mWestJet
Deal found 12/21$418
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/288:55 pmYTZ - IAD
Nonstop1h 29mAir Transat
Fri 1/37:00 amIAD - YTZ
Nonstop1h 30mAir Transat
Deal found 12/21$466
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:00 amYTZ - IAD
3 stops30h 55mMultiple Airlines
Sat 1/47:00 amIAD - YTZ
Nonstop1h 30mMultiple Airlines
Deal found 12/21$468
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:25 amYTZ - IAD
1 stop4h 48mAir Canada
Fri 1/38:20 amIAD - YTZ
1 stop6h 30mAir Canada
Deal found 12/21$478
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/282:05 pmYOW - IAD
Nonstop1h 53mAir Canada
Mon 1/1310:35 amIAD - YOW
1 stop4h 37mAir Canada
Deal found 12/21$479
This Mytrip deal was found by Cheapflights users on 12/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/252:35 pmYUL - IAD
3 stops30h 30mMultiple Airlines
Mon 1/61:45 pmIAD - YUL
1 stop5h 35mMultiple Airlines
Deal found 12/21$521

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 2,558,603 searches. Data last updated December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Thu 2/13

11:20 am-12:49 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Mon 2/17

2:10 pm-3:40 pm

Nonstop1h 30m

$210

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 1/18

7:40 pm-9:21 pm

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sun 1/19

8:15 am-1:24 pm

1 stop5h 09m

$212

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 1/10

8:10 am-9:46 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sun 1/12

10:35 am-12:06 pm

Nonstop1h 31m

$221

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 1/11

6:00 am-11:51 am

1 stop5h 51m

Washington, D.C. Dulles Intl

Tue 1/14

12:05 pm-5:14 pm

1 stop5h 09m

$249

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 1/18

10:25 am-3:13 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

Sun 1/19

12:49 pm-6:43 pm

1 stop5h 54m

$254

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 1/7

8:10 am-9:46 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 1/13

3:55 pm-9:50 pm

1 stop5h 55m

$258

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 2/14

9:30 am-12:49 pm

1 stop3h 19m

Washington, D.C. Dulles Intl

Mon 2/17

2:10 pm-6:34 pm

1 stop4h 24m

$259

MontrealWashington, D.C.

YUL - IAD

YULIAD

Montreal Pierre Elliott Trudeau Intl

Thu 2/27

6:50 am-12:49 pm

1 stop5h 59m

Washington, D.C. Dulles Intl

Sun 3/9

7:00 am-11:05 am

1 stop4h 05m

$270

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 1/14

6:30 am-1:46 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Tue 1/14

5:16 pm-9:20 am

1 stop16h 04m

$271

TorontoWashington, D.C.

YTZ - IAD

YTZIAD

Toronto Island

Sat 1/18

11:20 am-12:49 pm

Nonstop1h 29m

Washington, D.C. Dulles Intl

Sat 1/25

1:35 pm-3:05 pm

Nonstop1h 30m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 51 results
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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, August is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Region of Ontario to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 December 22, 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.

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

Explore weekly flight availability from Ontario to Dulles Intl. 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 December 22, 2024.

The most flights from CAON to IAD are scheduled on a Friday (19 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 on average).

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 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. Dulles Intl Airport when rainfall is around 2.6 in.

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 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 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 December 22, 2024.
Get a feel of what it's like to fly with Air Canada, WestJet and Porter Airlines from Ontario to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,537 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Alaska Airlines
8.0
Very good
9,537 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Delta
8.0
Very good
8,594 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Porter Airlines
7.9
Good
283 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

Air Transat
7.8
Good
384 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

United Airlines
7.4
Good
9,028 reviews
Alaska Airlines
8.0
Very good
9,537 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Reviews

1 / 10

Things were good, crew was good. It was just the flight itself was very rough. Lots of turbulence, probably one of the shakiest flights I've been on. Kids throwing up, kids crying everywhere because of it.

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?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $135. Users have also found prices from $148 and $149 on United Airlines and Delta, respectively.

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

    Most travelers choose 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 when deciding on the best route from Region of Ontario to Washington, D.C. Dulles Intl Airport.

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

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Region of Ontario, check out the most reliable airlines to get you to your destination on time: ANA (93%), Copa Airlines (91%), Republic Airways( 90%).

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

    On average you can expect to pay $320 for a flight from Region of Ontario to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $134 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at $204.

  • 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, August is the cheapest month in which you can book a flight from Region of Ontario to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Region of Ontario to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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.

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

Top 3 airlines flying from Ontario to Dulles Intl

Discover the top 3 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 2,558,603 searches. Data last updated December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$182Average$357FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$218Average$337FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$219Average$387FlexibilityNo cancel feeOn-time69%
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