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$115+ Cheap flights from Dulles Intl (IAD) to British Columbia

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YVR
Jun 20 — Jun 271
Sat 6/20
Sat 6/27
1 adult, Economy
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Cheap flight deals from Dulles Intl to British Columbia

Cheapest flights from Dulles Intl to British Columbia
Explore the most affordable flight options available from Dulles Intl to British Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Mon 8/3111:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/19$250
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 8/2811:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/18$251
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 8/2111:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/16$257
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 8/2811:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/20$258
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 8/2111:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/16$262
This Justfly.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Fri 8/2111:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/16$278
This Trip.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
IAD
-
YXX
1 stop18h 00m
WestJet
Fri 8/286:00 am
YXX
-
IAD
1 stop9h 10m
WestJet
Deal found 5/17$287
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
IAD
-
YYC
Nonstop5h 00m
Multiple Airlines
Wed 9/27:00 am
YYC
-
IAD
1 stop8h 41m
Multiple Airlines
Deal found 5/20$296
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/249:07 am
IAD
-
YYC
Nonstop4h 51m
United Airlines
Tue 9/12:58 pm
YYC
-
IAD
Nonstop4h 20m
United Airlines
Deal found 5/17$297
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:30 am
IAD
-
YYC
1 stop11h 40m
Multiple Airlines
Mon 8/3111:45 am
YYC
-
IAD
Nonstop4h 25m
Multiple Airlines
Deal found 5/19$298
This Booking.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 pm
IAD
-
YXX
1 stop30h 25m
WestJet
Mon 8/316:00 am
YXX
-
IAD
1 stop9h 10m
WestJet
Deal found 5/20$299
This Kiwi.com deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:11 am
IAD
-
YYC
1 stop12h 39m
Multiple Airlines
Fri 8/2811:45 am
YYC
-
IAD
Nonstop4h 25m
Multiple Airlines
Deal found 5/20$300

Find flight deals from Dulles Intl to British Columbia

Keep the following information in mind while searching for Dulles Intl to British Columbia flight deals. Data was last updated May 21, 2026.

Round-trip from

$250
(Kiwi.com)

One-way from

$115
(Super.com)

Popular in

December

Cheapest in

November

Average price

$592

Good round-trip deal

$614 or less

Good one-way deal

$287 or less
From Washington, D.C. Dulles Intl to British Columbia
Search Deals
One-way flight from Washington, D.C. Dulles Intl to British Columbia
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to British Columbia.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to British Columbia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to British Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 21, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to British Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 8/10

6:30 am-9:48 pm

1 stop17h 18m

Calgary

Thu 8/20

8:30 am-12:44 am

1 stop14h 14m

$322

Washington, D.C.Kelowna

IAD - YLW

IADYLW

Washington, D.C. Dulles Intl

Fri 8/28

7:00 pm-11:50 pm

1 stop7h 50m

Kelowna

Sun 8/30

6:30 pm-6:10 pm

1 stop20h 40m

$376

Washington, D.C.Kelowna

IAD - YLW

IADYLW

Washington, D.C. Dulles Intl

Mon 8/24

7:00 pm-11:50 pm

1 stop7h 50m

Kelowna

Mon 8/31

7:50 am-6:10 pm

1 stop7h 20m

$384

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 8/18

7:10 am-1:10 pm

1 stop8h 00m

Calgary

Sat 8/22

7:00 am-8:04 pm

1 stop11h 04m

$413

Washington, D.C.Kelowna

IAD - YLW

IADYLW

Washington, D.C. Dulles Intl

Mon 8/17

7:00 pm-12:10 pm

3 stops20h 10m

Kelowna

Thu 8/27

6:35 pm-6:10 pm

2 stops20h 35m

$447

Washington, D.C.Kelowna

IAD - YLW

IADYLW

Washington, D.C. Dulles Intl

Fri 8/28

7:00 pm-11:50 pm

1 stop7h 50m

Kelowna

Fri 9/4

6:00 am-6:10 pm

2 stops9h 10m

$502

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 7/6

5:42 pm-10:37 pm

1 stop6h 55m

Calgary

Sat 7/11

7:15 pm-5:27 am

1 stop8h 12m

$505

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 7/13

9:04 am-11:58 am

Nonstop4h 54m

Calgary

Fri 7/31

7:15 pm-5:27 am

1 stop8h 12m

$512

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 8/1

10:20 pm-6:10 pm

2 stops21h 50m

Calgary

Sun 8/9

7:15 pm-5:27 am

1 stop8h 12m

$529
Quickest round-trip

Washington, D.C.Vancouver

IAD - YVR

IADYVR

Washington, D.C. Dulles Intl

Mon 8/24

8:29 am-11:07 am

Nonstop5h 38m

Vancouver Intl

Fri 8/28

10:25 pm-6:30 am

Nonstop5h 05m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Dulles Intl to British Columbia

Have a flexible travel schedule? Discover the best time to fly to British Columbia from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to British Columbia?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to British Columbia (average of $128). Flying from Washington, D.C. Dulles Intl Airport to British Columbia in November is currently the most expensive (average of $364). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to British Columbia?

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to British Columbia?

The best time to book flights from Washington, D.C. Dulles Intl Airport to British Columbia is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing British Columbia

Get insights into the airlines that provide service to British Columbia. 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 British Columbia. Reviews last updated May 21, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Washington, D.C. Dulles Intl Airport to British Columbia to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,391 reviews

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,391 reviews
Alaska Airlines
7.9
Good
12,391 reviews

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,452 reviews
Alaska Airlines
7.9
Good
12,391 reviews

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,748 reviews
Alaska Airlines
7.9
Good
12,391 reviews

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Air Canada
7.1
Good
11,067 reviews
Alaska Airlines
7.9
Good
12,391 reviews

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

Food

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to British Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to British Columbia?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to British Columbia in 7h 50m. Fly via United Airlines, WestJet, or Delta to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to British Columbia is about 2168 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to British Columbia one-way?

    For one-way options, check prices for Royal Air Maroc. According to our data, you can fly for as low as $473. Users have also found prices from $498 and $521 on Turkish Airlines and Egyptair, respectively.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to British Columbia?

    The most popular flight routes from Washington, D.C. Dulles Intl Airport to British Columbia are Washington, D.C. Dulles Intl - Vancouver Intl, Washington, D.C. Dulles Intl - Calgary and Washington, D.C. Dulles Intl - Abbotsford.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to British Columbia?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to British Columbia is $234. On average you can expect to pay $785. The most popular route, (Washington, D.C. Dulles Intl - Vancouver Intl), can usually be booked for $361.

  • Can I find deals for flights from Dulles Intl to British Columbia that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to British Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to British Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to British Columbia.

  • Can I find deals for business class flights from Dulles Intl to British Columbia?

    Yes. Cheapflights offers flight deals from Dulles Intl to British Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to British Columbia?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to British Columbia (average of $128). Flying from Washington, D.C. Dulles Intl Airport to British Columbia in November is currently the most expensive (average of $364). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Dulles Intl to British Columbia

Discover the top 4 airlines that operate flights from Dulles Intl to British Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$128Average$620FlexibilityNo cancel feeOn-time67%
DeltaCheapest$159Average$410FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$264Average$580FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$361Average$663FlexibilityNo cancel feeOn-time75%

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