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$131+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YVR
Jun 27 — Jul 41
Sat 6/27
Sat 7/4
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 28, 2026.

This Air Canada deal was found by Cheapflights users on 5/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:20 pm
IAD
-
YYC
1 stop8h 40m
Air Canada
Sat 9/56:00 am
YYC
-
IAD
1 stop7h 01m
Air Canada
Deal found 5/27$307
This Kiwi.com deal was found by Cheapflights users on 5/27. 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 5/27$321
This Kiwi.com deal was found by Cheapflights users on 5/27. 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
Mon 8/2411:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/27$329
This iWofly deal was found by Cheapflights users on 5/25. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:20 pm
IAD
-
YYC
1 stop8h 40m
Air Canada
Sat 8/226:30 am
YYC
-
IAD
1 stop6h 54m
Air Canada
Deal found 5/25$331
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 8/37:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Mon 8/1011:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/25$332
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 8/2811:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/23$335
This Air Canada deal was found by Cheapflights users on 5/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:45 am
IAD
-
YYC
1 stop8h 12m
Air Canada
Sat 10/246:00 am
YYC
-
IAD
1 stop7h 00m
Air Canada
Deal found 5/27$336
This Air Canada deal was found by Cheapflights users on 5/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:45 pm
IAD
-
YYC
1 stop9h 47m
Air Canada
Tue 9/16:00 am
YYC
-
IAD
1 stop7h 01m
Air Canada
Deal found 5/26$338
This Kiwi.com deal was found by Cheapflights users on 5/25. 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
Mon 8/2411:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 5/25$340
This Air Canada deal was found by Cheapflights users on 5/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:45 pm
IAD
-
YYC
1 stop9h 47m
Air Canada
Tue 9/226:30 am
YYC
-
IAD
1 stop6h 55m
Air Canada
Deal found 5/27$341
This Air Canada deal was found by Cheapflights users on 5/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:20 pm
IAD
-
YYC
1 stop8h 40m
Air Canada
Sun 9/66:00 am
YYC
-
IAD
1 stop7h 01m
Air Canada
Deal found 5/27$342
This American Airlines deal was found by Cheapflights users on 5/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/266:11 am
IAD
-
YVR
1 stop12h 49m
American Airlines
Thu 7/91:45 pm
YVR
-
IAD
1 stop12h 15m
American Airlines
Deal found 5/25$412

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 28, 2026.

Round-trip from

$307
(Air Canada)

One-way from

$131
(Air Canada)

Popular in

December

Cheapest in

November

Average price

$592

Good round-trip deal

$641 or less

Good one-way deal

$297 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. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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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.
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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 28, 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

Sat 10/17

1:00 pm-8:54 pm

2 stops9h 54m

Calgary

Sat 10/24

7:45 am-11:02 pm

2 stops13h 17m

$359
Quickest round-trip

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 9/16

9:07 am-11:58 am

Nonstop4h 51m

Calgary

Wed 9/23

2:58 pm-9:18 pm

Nonstop4h 20m

$372

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 10/18

12:00 pm-8:54 pm

1 stop10h 54m

Calgary

Sat 10/24

7:45 am-11:02 pm

2 stops13h 17m

$476

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 10/18

12:00 pm-8:54 pm

1 stop10h 54m

Calgary

Wed 10/21

7:45 am-9:12 pm

2 stops11h 27m

$476

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 8/19

8:28 am-5:10 pm

1 stop10h 42m

Calgary

Sun 8/23

7:00 am-6:28 pm

1 stop9h 28m

$490

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 8/30

11:10 am-8:05 pm

1 stop10h 55m

Calgary

Sat 9/5

11:00 am-11:26 pm

1 stop10h 26m

$494

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 8/16

12:29 pm-9:05 pm

1 stop10h 36m

Calgary

Sat 8/22

11:05 am-11:20 pm

2 stops10h 15m

$495

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 11/19

12:00 pm-8:54 pm

1 stop10h 54m

Calgary

Mon 11/23

7:45 am-11:02 pm

2 stops13h 17m

$515

Washington, D.C.Kelowna

IAD - YLW

IADYLW

Washington, D.C. Dulles Intl

Tue 9/15

7:00 am-2:17 pm

1 stop10h 17m

Kelowna

Tue 9/22

3:07 pm-5:40 am

1 stop11h 33m

$526

Washington, D.C.Vancouver

IAD - YVR

IADYVR

Washington, D.C. Dulles Intl

Mon 6/29

8:21 am-11:07 am

Nonstop5h 46m

Vancouver Intl

Tue 7/14

10:25 pm-6:22 am

Nonstop4h 57m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/27

Showing 1-10 of 60 resultsSorted by cheapest first
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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.

What is the cheapest time of day to fly from IAD to BC?

Find hourly flight availability from Dulles Intl to British Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 28, 2026.

When flying from Washington, D.C. Dulles Intl Airport to British Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to British Columbia

Explore weekly flight availability from Dulles Intl to British Columbia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 28, 2026.

The most flights from IAD to CABC are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 23 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 28, 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
12,428 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

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
12,428 reviews
Alaska Airlines
7.9
Good
12,428 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

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
8,422 reviews
Alaska Airlines
7.9
Good
12,428 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

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
9,754 reviews
Alaska Airlines
7.9
Good
12,428 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

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
11,095 reviews
Alaska Airlines
7.9
Good
12,428 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

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 4h 51m. Fly via Delta, United Airlines, or Alaska Airlines to get the fastest option. The distance from Washington, D.C. Dulles Intl Airport to British Columbia is about 1946 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 $245. On average you can expect to pay $813. The most popular route, (Washington, D.C. Dulles Intl - Vancouver Intl), can usually be booked for $468.

  • 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 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$128Average$620FlexibilityNo cancel feeOn-time67%
DeltaCheapest$159Average$410FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$586FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$343Average$654FlexibilityNo cancel feeOn-time75%

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