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C$ 165+ Cheap flights to Dulles Intl

— IAD
15 Oct — 22 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

Thu 29/109:10 a.m. -
Nonstop1h 28m
Sun 1/116:25 p.m. -
Nonstop1h 34m
Deal found 10/9C$ 250
Tue 27/102:15 p.m. -
Nonstop1h 30m
Tue 3/119:55 a.m. -
Nonstop1h 27m
Deal found 12/9C$ 250
Thu 15/109:15 a.m. -
Nonstop1h 30m
Sun 18/103:50 p.m. -
Nonstop1h 30m
Deal found 10/9C$ 251
Thu 29/106:40 p.m. -
Nonstop1h 30m
Sun 1/119:55 a.m. -
Nonstop1h 27m
Deal found 10/9C$ 251
Fri 30/109:10 a.m. -
Nonstop1h 28m
Sun 1/116:25 p.m. -
Nonstop1h 34m
Deal found 10/9C$ 253
Sat 3/109:15 a.m. -
Nonstop1h 30m
Sun 11/1011:25 a.m. -
Nonstop1h 30m
Deal found 11/9C$ 256
Fri 9/101:40 p.m. -
Nonstop1h 30m
Sun 11/1011:25 a.m. -
Nonstop1h 30m
Deal found 11/9C$ 257
Thu 15/101:40 p.m. -
Nonstop1h 30m
Wed 11/1111:20 a.m. -
Nonstop1h 32m
Deal found 14/9C$ 258
Thu 29/109:10 a.m. -
Nonstop1h 28m
Thu 5/1111:20 a.m. -
Nonstop1h 32m
Deal found 13/9C$ 260
Fri 30/102:00 p.m. -
1 stop6h 23m
Sat 7/119:55 a.m. -
Nonstop1h 27m
Deal found 14/9C$ 260
Fri 25/99:15 a.m. -
Nonstop1h 30m
Sun 27/911:25 a.m. -
Nonstop1h 30m
Deal found 10/9C$ 261
Sat 10/1012:05 p.m. -
2 stops6h 55m
Sun 11/109:55 a.m. -
Nonstop1h 25m
Deal found 12/9C$ 261

Find flight deals to Dulles Intl Airport

Round-trip from

C$ 249

One-way from

C$ 165

Popular in

March

Cheapest in

November

Average price

C$ 363

Good round-trip deal

C$ 288 or less

Good one-way deal

C$ 163 or less
Porter Airlines
  • Porter Airlines
  • 30/10-7/11
  • Nonstop
  • 3h 00m total
  • Toronto to Washington, D.C.
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Porter Airlines
  • Porter Airlines
  • 22/11-31/12
  • Nonstop
  • 1h 28m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 9 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.

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

YTZIAD

Toronto Island

Sat 31/10

9:10 a.m.-10:38 a.m.

Nonstop1h 28m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 172

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sun 4/10

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$ 201

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Sat 3/10

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$ 207

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Wed 23/9

6:50 a.m.-11:13 a.m.

1 stop4h 23m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 208

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Sat 24/10

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$ 208

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$ 208

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Tue 6/10

6:10 p.m.-11:16 p.m.

1 stop5h 06m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 213

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sat 24/10

6:10 p.m.-11:16 p.m.

1 stop5h 06m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 213

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Tue 22/9

10:45 a.m.-3:00 p.m.

1 stop4h 15m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 231

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sat 24/10

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$ 232

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 42 resultsSorted by cheapest first
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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 Thursday (24 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 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$ 113
Porter Airlines
Porter Airlines
From C$ 233
United Airlines
United Airlines
From C$ 315
WestJet
WestJet
From C$ 240

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 Sunday 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
461 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Porter Airlines
8.0
Very good
461 reviews
Porter Airlines
8.0
Very good
461 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Transat
7.7
Good
579 reviews
Porter Airlines
8.0
Very good
461 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
United Airlines
7.4
Good
10,208 reviews
Porter Airlines
8.0
Very good
461 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.
Air Canada
7.1
Good
11,630 reviews
Porter Airlines
8.0
Very good
461 reviews
Check prices

Food

7.6

Comfort

8.0

Entertainment

6.9

Crew

8.6

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

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$ 147, 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$ 83, 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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