Find cheap flights to Washington Dulles Airport

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Find cheap flights to Washington Dulles Airport

Round-trip
Economy
Boston (BOS)
Washington Dulles Intl
Fri. 10/7
Fri. 17/7
Any month
Compare vs. KAYAK |
Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

Good to know

Low season

March Best time to beat the crowds (2% less expensive on average)

High season

June Most popular time to fly (6% more expensive on average)

Average price of a round-trip

C$ 323 (avg. price over the last 2 weeks)

Good deal for a round-trip

C$ 208 or less

Top tips for finding cheap flights to Washington Dulles Airport

  • Looking for cheap airfare to Washington Dulles Airport? 25% of our users found round-trip tickets to Washington Dulles Airport for the following prices or less: From Montreal C$ 286, from Toronto C$ 298, from Vancouver C$ 336
  • Book at least 4 weeks before departure in order to get a below-average price.
  • High season is considered to be March, April and May. The cheapest month to fly to Washington Dulles Airport is January.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Washington Dulles Airport flight deals.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs - booking Washington Dulles Airport flights

How long is the flight to Washington Dulles Airport?

What is the cheapest flight to Washington Dulles Airport?

Which airlines fly to Washington Dulles Airport?

How far is Washington Dulles Airport Airport from central Washington?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top 5 airlines flying to Washington Dulles Intl

Scores according to KAYAK customer reviews

8.7
Korean Air
Overall score based on 4,925 reviews
8.9
Boarding
8.6
Comfort
9.1
Crew
8.6
Entertainment
8.5
Food
Airline reviews
Read more about Korean Air

Book Cheap Washington Dulles Airport Plane Tickets (Round-trip)

Airports
Origin
Vancouver
C$ 239
only
C$ 239
Ottawa
C$ 460
only
C$ 460
Toronto
C$ 317
only
C$ 317
C$ 271
only
C$ 271
Destination
Washington
C$ 239
only
C$ 239
Fri., 23 Oct.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
8h 56m
Mon., 26 Oct.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
8h 41m
C$ 239
Trip: 4 days
Based on null reviews
Fri., 23 Oct.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
8h 51m
Mon., 26 Oct.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
8h 04m
C$ 246
Trip: 4 days
Based on null reviews
Sat., 29 Aug.
YTZ
Toronto Island
IAD
Washington Dulles Airport
1h 27m
Sat., 12 Sep.
IAD
Washington Dulles Airport
YTZ
Toronto Island
1h 30m
C$ 271
Trip: 15 days
Based on null reviews
Sun., 9 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
5h 04m
Tue., 11 Aug.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
8h 21m
C$ 274
Trip: 3 days
Based on null reviews
Sun., 9 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
7h 23m
Tue., 11 Aug.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
8h 21m
C$ 279
Trip: 3 days
Based on null reviews
Fri., 7 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
5h 04m
Mon., 10 Aug.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
9h 35m
C$ 282
Trip: 4 days
Based on null reviews
Wed., 19 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
8h 48m
Mon., 24 Aug.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
9h 31m
C$ 284
Trip: 6 days
Based on null reviews
Wed., 19 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
11h 09m
Mon., 24 Aug.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
7h 53m
C$ 290
Trip: 6 days
Based on null reviews
Thu., 23 Jul.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
9h 08m
Thu., 30 Jul.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
17h 26m
C$ 307
Trip: 8 days
Based on null reviews
Mon., 20 Jul.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
1h 41m
Sat., 8 Aug.
IAD
Washington Dulles Airport
YYZ
Toronto Pearson Airport
4h 32m
C$ 317
Trip: 20 days
Based on null reviews
Fri., 17 Jul.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
1h 41m
Thu., 6 Aug.
IAD
Washington Dulles Airport
YYZ
Toronto Pearson Airport
4h 34m
C$ 324
Trip: 21 days
Based on null reviews
Thu., 30 Jul.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
1h 23m
Tue., 11 Aug.
IAD
Washington Dulles Airport
YYZ
Toronto Pearson Airport
5h 36m
C$ 326
Trip: 13 days
Based on null reviews
Sun., 16 Aug.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
4h 49m
Sun., 23 Aug.
IAD
Washington Dulles Airport
YYZ
Toronto Pearson Airport
1h 28m
C$ 334
Trip: 8 days
Based on null reviews
Sun., 16 Aug.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
5h 25m
Sun., 23 Aug.
IAD
Washington Dulles Airport
YYZ
Toronto Pearson Airport
7h 04m
C$ 351
Trip: 8 days
Based on null reviews
Fri., 17 Jul.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
1h 41m
Thu., 6 Aug.
IAD
Washington Dulles Airport
YYZ
Toronto Pearson Airport
7h 17m
C$ 353
Trip: 21 days
Based on null reviews
Thu., 23 Jul.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
24h 41m
Thu., 30 Jul.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
21h 20m
C$ 369
Trip: 8 days
Based on null reviews
Mon., 20 Jul.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
1h 41m
Sun., 9 Aug.
IAD
Washington Dulles Airport
YYZ
Toronto Pearson Airport
11h 26m
C$ 378
Trip: 21 days
Based on null reviews
Sat., 25 Jul.
YOW
Ottawa Airport
IAD
Washington Dulles Airport
7h 38m
Sat., 29 Aug.
IAD
Washington Dulles Airport
YOW
Ottawa Airport
5h 33m
C$ 460
Trip: 36 days
Based on null reviews
Sun., 9 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
5h 04m
Tue., 11 Aug.
IAD
Washington Dulles Airport
YVR
Vancouver Airport
8h 33m
C$ 258
Trip: 3 days
Based on null reviews
Sun., 27 Sep.
YTZ
Toronto Island
IAD
Washington Dulles Airport
1h 27m
Fri., 2 Oct.
IAD
Washington Dulles Airport
YTZ
Toronto Island
1h 30m
C$ 273
Trip: 6 days
Based on null reviews
Show more results

Book Cheap Washington Dulles Airport Plane Tickets (One-way)

Airports
Origin
Vancouver
C$ 168
only
C$ 168
Ottawa
C$ 322
only
C$ 322
Toronto
C$ 164
only
C$ 164
C$ 161
only
C$ 161
Destination
Washington
C$ 161
only
C$ 161
Wed., 29 Jul.
YTZ
Toronto Island
IAD
Washington Dulles Airport
1h 27m
C$ 161
Based on null reviews
Wed., 16 Sep.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
5h 00m
C$ 164
Based on null reviews
Mon., 17 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
9h 09m
C$ 168
Based on null reviews
Wed., 16 Sep.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
5h 24m
C$ 172
Based on null reviews
Mon., 31 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
10h 23m
C$ 172
Based on null reviews
Wed., 19 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
11h 40m
C$ 174
Based on null reviews
Mon., 17 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
8h 08m
C$ 175
Based on null reviews
Mon., 20 Jul.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
9h 08m
C$ 176
Based on null reviews
Mon., 17 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
8h 48m
C$ 178
Based on null reviews
Mon., 3 Aug.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
1h 23m
C$ 194
Based on null reviews
Mon., 17 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
15h 03m
C$ 199
Based on null reviews
Mon., 3 Aug.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
6h 53m
C$ 220
Based on null reviews
Wed., 1 Jul.
YOW
Ottawa Airport
IAD
Washington Dulles Airport
29h 28m
C$ 322
Based on null reviews
Mon., 3 Aug.
YTZ
Toronto Island
IAD
Washington Dulles Airport
1h 27m
C$ 163
Based on null reviews
Mon., 17 Aug.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
16h 28m
C$ 179
Based on null reviews
Wed., 12 Aug.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
5h 25m
C$ 182
Based on null reviews
Fri., 31 Jul.
YTZ
Toronto Island
IAD
Washington Dulles Airport
1h 27m
C$ 166
Based on null reviews
Sun., 2 Aug.
YTZ
Toronto Island
IAD
Washington Dulles Airport
5h 01m
C$ 184
Based on null reviews
Thu., 16 Jul.
YVR
Vancouver Airport
IAD
Washington Dulles Airport
9h 30m
C$ 186
Based on null reviews
Mon., 3 Aug.
YYZ
Toronto Pearson Airport
IAD
Washington Dulles Airport
6h 16m
C$ 197
Based on null reviews
Show more results
*
Prices are per person, are for e–tickets and include all taxes & fees in CAD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

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