C$ 157+ Cheap flights to Dulles Intl
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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Dulles Intl in 2025
Find the latest flights to Dulles Intl in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 12 June 2025.
Find flight deals to Dulles Intl Airport
Cheapest flights to Dulles Intl AirportExplore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 12 June 2025.
Explore the most affordable flight options available to Dulles Intl Airport. Find the lowest fares based on data from user searches, with prices last updated on 12 June 2025.
Cheapflights Fare Finder
Locate flights to Dulles Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 12 June 2025.
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
TorontoWashington, D.C.
YTZ - IAD
YTZIAD
Toronto Island
Sat 12/7
1:25 p.m.-2:56 p.m.
Nonstop1h 31m
Washington, D.C. Dulles Intl
Sat 19/7
4:10 p.m.-5:43 p.m.
Nonstop1h 33m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 7/10
9:00 a.m.-8:55 p.m.
1 stop11h 55m
Washington, D.C. Dulles Intl
Wed 8/10
8:28 a.m.-10:04 a.m.
Nonstop1h 36m
TorontoWashington, D.C.
YTZ - IAD
YTZIAD
Toronto Island
Fri 11/7
8:45 a.m.-10:16 a.m.
Nonstop1h 31m
Washington, D.C. Dulles Intl
Mon 14/7
11:35 a.m.-1:08 p.m.
Nonstop1h 33m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 7/10
8:10 a.m.-9:38 a.m.
Nonstop1h 28m
Washington, D.C. Dulles Intl
Wed 8/10
10:20 a.m.-11:52 a.m.
Nonstop1h 32m
TorontoWashington, D.C.
YTZ - IAD
YTZIAD
Toronto Island
Thu 3/7
1:25 p.m.-2:56 p.m.
Nonstop1h 31m
Washington, D.C. Dulles Intl
Sun 6/7
11:35 a.m.-1:08 p.m.
Nonstop1h 33m
TorontoWashington, D.C.
YTZ - IAD
YTZIAD
Toronto Island
Thu 3/7
10:20 a.m.-4:20 p.m.
1 stop6h 00m
Washington, D.C. Dulles Intl
Sun 6/7
9:45 a.m.-4:46 p.m.
1 stop7h 01m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Thu 17/7
6:04 a.m.-12:02 p.m.
1 stop5h 58m
Washington, D.C. Dulles Intl
Sat 19/7
6:00 a.m.-2:45 p.m.
1 stop8h 45m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Thu 24/7
10:05 a.m.-11:39 a.m.
Nonstop1h 34m
Washington, D.C. Dulles Intl
Mon 28/7
2:25 p.m.-4:01 p.m.
Nonstop1h 36m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Thu 3/7
7:00 a.m.-11:55 a.m.
1 stop4h 55m
Washington, D.C. Dulles Intl
Sun 6/7
8:22 a.m.-10:04 a.m.
Nonstop1h 42m
TorontoWashington, D.C.
YYZ - IAD
YYZIAD
Toronto Pearson Intl
Tue 24/6
3:31 p.m.-10:55 p.m.
1 stop7h 24m
Washington, D.C. Dulles Intl
Thu 26/6
8:35 a.m.-5:48 p.m.
2 stops9h 13m
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.
Cheapflights Insights
Everything you need to know about your flight to Washington, D.C. Dulles Intl Airport
When is the best time to book a flight to Dulles Intl?
Use this chart to determine the optimal time to book a round-trip flight from Toronto to Dulles Intl. Price data was last updated on 9 June 2025.
To ensure you get the cheapest price possible for a flight to Dulles Intl, you should look to book at least 73 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.
How long is the flight to Dulles Intl?
On average, a flight from Toronto to Dulles Intl takes 1 hour 27 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.
When is the cheapest time to fly to Dulles Intl?
Use this chart to determine the cheapest time to fly round-trip from Toronto to Dulles Intl. Price data was last updated on 16 December 2024.
Users looking for the lowest fares to Dulles Intl should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.
Weekly flight availability to Dulles Intl
The most flights from Toronto to Dulles Intl are scheduled on a Thursday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 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.
What are the cheapest airlines that fly to Dulles Intl?
The cheapest airlines flying from Toronto to Dulles Intl are Air Transat, Porter Airlines and Air Canada.
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 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
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 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).
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 12 June 2025.
See what other customers who have flown with Porter Airlines, Delta and Air Transat to Washington, D.C. have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
Food
Boarding
Entertainment
Overall
Comfort
Crew
Reviews
Mary,Jun 2025
FLL - YYZ
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.
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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.
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