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C$ 166+ Cheap flights to Dulles Intl

— IAD
4 Oct — 11 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Dulles Intl in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Dulles Intl Airport

Mon 7/124:15 p.m. -
Nonstop1h 28m
Tue 8/1211:20 a.m. -
Nonstop1h 32m
Deal found 2/9C$ 256
Tue 15/99:15 a.m. -
Nonstop1h 30m
Thu 17/93:50 p.m. -
Nonstop1h 30m
Deal found 1/9C$ 257
Thu 17/98:30 a.m. -
1 stop6h 30m
Sun 27/95:20 p.m. -
Nonstop1h 31m
Deal found 2/9C$ 258
Wed 14/1010:30 a.m. -
1 stop4h 27m
Sat 17/109:45 a.m. -
1 stop5h 08m
Deal found 3/9C$ 258
Tue 29/99:15 a.m. -
Nonstop1h 30m
Tue 6/1011:25 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 260
Wed 23/91:55 p.m. -
Nonstop1h 30m
Tue 29/99:55 a.m. -
Nonstop1h 25m
Deal found 2/9C$ 260
Thu 17/98:20 a.m. -
2 stops6h 40m
Sun 20/95:20 p.m. -
Nonstop1h 31m
Deal found 2/9C$ 261
Thu 15/101:40 p.m. -
Nonstop1h 30m
Sat 17/1011:25 a.m. -
Nonstop1h 30m
Deal found 4/9C$ 263
Thu 17/99:15 a.m. -
Nonstop1h 30m
Sun 20/93:50 p.m. -
Nonstop1h 30m
Deal found 1/9C$ 264
Thu 17/99:15 a.m. -
Nonstop1h 30m
Tue 29/911:25 a.m. -
Nonstop1h 30m
Deal found 2/9C$ 265
Thu 17/99:30 a.m. -
1 stop5h 30m
Sun 20/93:50 p.m. -
Nonstop1h 30m
Deal found 2/9C$ 267
Thu 8/109:15 a.m. -
Nonstop1h 30m
Thu 29/1011:20 a.m. -
Nonstop1h 32m
Deal found 1/9C$ 268

Find flight deals to Dulles Intl Airport

Round-trip from

C$ 256

One-way from

C$ 166

Popular in

March

Cheapest in

October

Average price

C$ 323

Good round-trip deal

C$ 265 or less

Good one-way deal

C$ 203 or less
Air Canada
  • Air Canada
  • 17/10-24/10
  • 2 total stops
  • 8h 37m total
  • Toronto to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 20/9-31/12
  • Nonstop
  • 1h 30m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Toronto to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Toronto to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 17/9

12:45 p.m.-2:22 p.m.

Nonstop1h 37m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 178
Quickest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Mon 5/10

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 185

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Sat 26/9

4:05 p.m.-11:14 p.m.

1 stop7h 09m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 188

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 17/9

2:24 p.m.-11:14 p.m.

1 stop8h 50m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 195

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Mon 5/10

6:00 a.m.-10:21 a.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 195

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 1/10

6:00 a.m.-10:21 a.m.

1 stop4h 21m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 195

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Tue 15/9

7:43 p.m.-9:24 p.m.

Nonstop1h 41m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 198

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Sun 18/10

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 200

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Sun 27/9

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 200

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Sat 17/10

9:15 a.m.-10:45 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 200

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

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Best time to book a flight to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport

How long is the flight to Dulles Intl?

On average, a flight from Toronto to Dulles Intl takes 1 hour 26 minutes. Flights to Dulles Intl from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Dulles Intl

The most flights from Toronto to Dulles Intl are scheduled on a Wednesday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

What are the most popular airlines that fly to Dulles Intl?

The most popular airlines flying from Toronto to Dulles Intl are Air Canada, Porter Airlines and United Airlines.

Air Canada
Air Canada
From C$ 112
Porter Airlines
Porter Airlines
From C$ 231
United Airlines
United Airlines
From C$ 291
WestJet
WestJet
From C$ 239

What are the cheapest airlines that fly to Dulles Intl?

The cheapest airlines flying from Toronto to Dulles Intl are Air Canada, Porter Airlines and Air Transat.

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Dulles Intl 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 Dulles Intl when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Dulles Intl, 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).

When is the best time to book a flight to Dulles Intl?

To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

When is the cheapest time to fly to Dulles Intl?

Users looking for the lowest fares to Dulles Intl should consider flying on Tuesday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday at noon, when prices are usually at their highest.

Reviews of airlines servicing Dulles Intl

Check out reviews from past customers who have flown Porter Airlines,Air Transat, andUnited Airlines to the United States to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
458 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Porter Airlines
8.0
Very good
458 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Transat
7.8
Good
575 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
United Airlines
7.4
Good
10,166 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.
Air Canada
7.1
Good
11,579 reviews
Porter Airlines
8.0
Very good
458 reviews
Check prices

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

FAQs about flying to Dulles Intl

Washington Dulles International Airport (IAD) handles close to 24 million passengers each year. This architecturally beautiful airport is situated 26 miles (42km) from downtown Washington DC and serves a metropolitan area that includes Washington, Baltimore and Northern Virginia.

Washington Dulles International Airport was named after John Foster Dulles who was a former US Secretary of State. The airport is well-connected to Washington and Virginia, and is also connected to more than 125 destinations around the world, making it a popular gateway to the eastern United States.

The airport has a range of shopping options including book shops, fashion, jewellery, gifts, gadgets and music. The duty-free shops at the Washington Dulles International Airport are well-stocked and the amenities are top-class.

The airport serves as a hub for United Airlines, however passengers can book flights to Washington Dulles International Airport on most major international and domestic airlines.

  • Can I find cheaper flights to Dulles Intl if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Dulles Intl on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Dulles Intl?

    Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to Dulles Intl.

  • What is the cheapest airport to fly to in Dulles Intl?

    Washington, D.C. Dulles Intl is currently the cheapest airport to fly to in Dulles Intl. One-way flights to Washington, D.C. Dulles Intl typically cost C$ 41, while round-trip flights cost around C$ 82.

  • How much is a round-trip flight to Dulles Intl?

    A round-trip flight to Dulles Intl will typically cost around C$ 123, however they can be found for as little as C$ 82.

  • Where does the fastest flight to Dulles Intl depart from?

    For those looking to save time traveling to Dulles Intl, Toronto offers the quickest one-way flight (1 hour 25 minutes).

  • Does Washington, D.C. Dulles Intl have rental cars?

    Yes. Those touching down at Washington, D.C. Dulles Intl can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Dulles Intl?

    Yes. Washington, D.C. Dulles Intl has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl (0.0 km away from Washington, D.C. Dulles Intl).

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Winchester
Alexandria
Hanover
Oxon Hill
Gaithersburg
Reston
Chantilly
Herndon
Ellicott City
Arlington
Fredericksburg
Ashburn
Rockville

Browse thousands of different options on Cheapflights for your next trip

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