Find flights
Deals
Airlines
Travel Guide

C$ 172+ Cheap flights to Dulles Intl

— IAD
23 Nov — 30 Nov1
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 16/114:15 p.m. -
Nonstop1h 29m
Fri 20/1111:20 a.m. -
Nonstop1h 30m
Deal found 24/10C$ 262
Mon 21/126:40 p.m. -
1 stop4h 41m
Thu 31/125:18 p.m. -
Nonstop1h 43m
Deal found 23/10C$ 262
Fri 6/114:15 p.m. -
Nonstop1h 29m
Sun 8/1111:20 a.m. -
Nonstop1h 30m
Deal found 22/10C$ 263
Sat 7/117:44 p.m. -
Nonstop1h 42m
Tue 10/119:55 a.m. -
1 stop6h 51m
Deal found 22/10C$ 263
Fri 13/119:10 a.m. -
Nonstop1h 29m
Sun 15/116:25 p.m. -
Nonstop1h 30m
Deal found 19/10C$ 265
Sat 5/122:15 p.m. -
Nonstop1h 30m
Sun 6/129:55 a.m. -
Nonstop1h 27m
Deal found 20/10C$ 265
Sat 7/113:20 p.m. -
Nonstop1h 27m
Sun 8/116:25 p.m. -
Nonstop1h 30m
Deal found 24/10C$ 266
Mon 9/113:35 p.m. -
1 stop8h 55m
Tue 10/119:55 a.m. -
1 stop6h 51m
Deal found 21/10C$ 266
Wed 4/119:10 a.m. -
Nonstop1h 29m
Sun 8/1111:20 a.m. -
Nonstop1h 30m
Deal found 21/10C$ 267
Wed 16/126:40 p.m. -
Nonstop1h 30m
Thu 31/129:55 a.m. -
Nonstop1h 27m
Deal found 21/10C$ 267
Thu 5/119:10 a.m. -
Nonstop1h 29m
Sun 8/1111:20 a.m. -
Nonstop1h 30m
Deal found 19/10C$ 269
Thu 12/119:10 a.m. -
Nonstop1h 29m
Sat 14/1111:20 a.m. -
Nonstop1h 30m
Deal found 24/10C$ 270

Find flight deals to Dulles Intl Airport

Round-trip from

C$ 262

One-way from

C$ 172

Popular in

March

Cheapest in

November

Average price

C$ 364

Good round-trip deal

C$ 303 or less

Good one-way deal

C$ 228 or less
American Airlines
  • American Airlines
  • 5/12-6/12
  • 1 total stop
  • 8h 22m total
  • Toronto to Washington, D.C.
Search Deals
Porter Airlines
  • Porter Airlines
  • 11/12-31/12
  • Nonstop
  • 1h 30m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 38 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).
Search Deals
Average for round-trip flights in October 2026
Search Deals
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.
Search Deals

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

Fri 6/11

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 179

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Fri 18/12

6:40 p.m.-11:21 p.m.

1 stop4h 41m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 179

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Wed 25/11

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 179

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Thu 26/11

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 179

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Mon 21/12

6:40 p.m.-11:21 p.m.

1 stop4h 41m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 179

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Wed 23/12

6:40 p.m.-11:21 p.m.

1 stop4h 41m

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

Sun 8/11

6:45 a.m.-11:52 a.m.

1 stop5h 07m

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

Sun 22/11

6:45 a.m.-11:52 a.m.

1 stop5h 07m

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

Tue 24/11

8:35 a.m.-4:33 p.m.

1 stop7h 58m

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

Fri 11/12

2:25 p.m.-11:23 p.m.

1 stop8h 58m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 190

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/10

Showing 1-10 of 46 resultsSorted by cheapest first
1
2
3
...
5

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.

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

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

Air Canada
Air Canada
From C$ 127
Porter Airlines
Porter Airlines
From C$ 234
United Airlines
United Airlines
From C$ 317
WestJet
WestJet
From C$ 242

What are the cheapest airlines that fly to Dulles Intl?

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

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
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

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
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

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
584 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

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
7.3
Good
10,432 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

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
11,805 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Food

7.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

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, Porter Airlines 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$ 182, while round-trip flights cost around C$ 251.

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

    A round-trip flight to Dulles Intl will typically cost around C$ 408, however they can be found for as little as C$ 263.

  • 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
Hanover
College Park
Alexandria
Oxon Hill
Gaithersburg
Chantilly
Reston
Herndon
Ellicott City
Arlington
Fredericksburg
Ashburn
Rockville

Browse thousands of different options on Cheapflights for your next trip

Search flights to Dulles Intl by cabin class

First class flights to Washington, D.C. Dulles Intl Airport
Business class flights to Washington, D.C. Dulles Intl Airport
Prem Economy class flights to Washington, D.C. Dulles Intl Airport
Economy class flights to Washington, D.C. Dulles Intl Airport

Fly with Cheapflights

How does Cheapflights help users find flights to Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Certainly. Search results for flights to Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Of course! You can track prices for flights to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.