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$143+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YVR
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
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 July 27, 2026.

This Booking.com deal was found by Cheapflights users on 7/26. 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 Booking.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 9/25:50 am
YYC
-
IAD
1 stop7h 05m
Multiple Airlines
Deal found 7/26$277
This Booking.com deal was found by Cheapflights users on 7/24. 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.
Mon 8/247:00 pm
IAD
-
YYC
Nonstop5h 00m
Multiple Airlines
Tue 9/15:50 am
YYC
-
IAD
1 stop7h 11m
Multiple Airlines
Deal found 7/24$280
This Booking.com deal was found by Cheapflights users on 7/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 pm
IAD
-
YYC
Nonstop5h 00m
Multiple Airlines
Thu 9/105:50 am
YYC
-
IAD
1 stop7h 10m
Multiple Airlines
Deal found 7/25$286
This Justfly.com deal was found by Cheapflights users on 7/25. 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 Justfly.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 7/25$298
This Flightnetwork deal was found by Cheapflights users on 7/24. 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 Flightnetwork 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
Multiple Airlines
Tue 8/255:50 am
YYC
-
IAD
1 stop7h 11m
Multiple Airlines
Deal found 7/24$300
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 pm
IAD
-
YYC
Nonstop5h 00m
WestJet
Mon 9/711:45 am
YYC
-
IAD
Nonstop4h 25m
WestJet
Deal found 7/27$303
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 9/77:00 pm
IAD
-
YYC
Nonstop5h 00m
Multiple Airlines
Fri 9/117:00 am
YYC
-
IAD
1 stop8h 18m
Multiple Airlines
Deal found 7/27$315
This oojo deal was found by Cheapflights users on 7/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 pm
IAD
-
YLW
1 stop7h 50m
WestJet
Mon 8/316:05 am
YLW
-
IAD
1 stop9h 05m
WestJet
Deal found 7/23$367
This Justfly.com deal was found by Cheapflights users on 7/22. 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.
Mon 8/247:00 pm
IAD
-
YXX
1 stop18h 00m
WestJet
Mon 8/316:00 am
YXX
-
IAD
1 stop9h 10m
WestJet
Deal found 7/22$375
This Mytrip deal was found by Cheapflights users on 7/25. 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 Mytrip 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
Multiple Airlines
Mon 8/318:25 pm
YXX
-
IAD
3 stops19h 36m
Multiple Airlines
Deal found 7/25$378
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 pm
IAD
-
YXX
1 stop18h 00m
WestJet
Mon 9/76:00 am
YXX
-
IAD
1 stop9h 10m
WestJet
Deal found 7/27$383
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:00 pm
IAD
-
YXX
1 stop18h 10m
Multiple Airlines
Wed 9/93:45 pm
YXX
-
IAD
2 stops20h 15m
Multiple Airlines
Deal found 7/27$388

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 July 27, 2026.

Round-trip from

$277
(Booking.com)

One-way from

$143
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$649

Good round-trip deal

$761 or less

Good one-way deal

$365 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
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 27, 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

Thu 8/20

8:20 am-10:37 pm

1 stop16h 17m

Calgary

Thu 8/27

2:58 pm-9:18 pm

Nonstop4h 20m

$364

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 9/7

6:30 am-9:48 pm

1 stop17h 18m

Calgary

Fri 9/11

5:50 am-3:00 pm

1 stop7h 10m

$364

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

6:05 am-6:10 pm

1 stop9h 05m

$367
Quickest round-trip

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 9/23

9:07 am-11:58 am

Nonstop4h 51m

Calgary

Sat 10/3

11:15 am-9:14 pm

1 stop7h 59m

$407

Washington, D.C.Abbotsford

IAD - YXX

IADYXX

Washington, D.C. Dulles Intl

Mon 8/24

7:00 pm-10:00 am

1 stop18h 00m

Abbotsford

Fri 8/28

3:45 pm-8:04 am

2 stops13h 19m

$412

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 9/8

11:10 am-10:20 pm

2 stops13h 10m

Calgary

Tue 9/15

12:25 pm-11:23 pm

2 stops8h 58m

$452

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 8/23

9:07 am-11:58 am

Nonstop4h 51m

Calgary

Sat 8/29

8:00 am-7:23 pm

1 stop9h 23m

$460

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 9/2

9:07 am-11:58 am

Nonstop4h 51m

Calgary

Sun 9/6

6:00 am-5:50 pm

1 stop9h 50m

$461

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 9/1

2:43 pm-9:48 pm

1 stop9h 05m

Calgary

Wed 9/9

2:58 pm-9:18 pm

Nonstop4h 20m

$469

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 8/8

12:29 pm-9:05 pm

1 stop10h 36m

Calgary

Sat 8/15

8:10 am-11:21 pm

2 stops13h 11m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to British Columbia (average of $393). Flying from Washington, D.C. Dulles Intl Airport to British Columbia in July is currently the most expensive (average of $738). 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 July 27, 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 July 27, 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?

Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to British Columbia flights typically cost between $580 and $725 in October.
The cheapest round-trip price found within the last 5 days was $545 on Multiple Airlines (Oct 16-Oct 24).

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 90 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 July 27, 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
12,718 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

SEA - LHR

Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
Alaska Airlines
7.9
Good
12,718 reviews
Alaska Airlines
7.9
Good
12,718 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

SEA - LHR

Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
Delta
7.8
Good
8,483 reviews
Alaska Airlines
7.9
Good
12,718 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

SEA - LHR

Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
United Airlines
7.4
Good
10,042 reviews
Alaska Airlines
7.9
Good
12,718 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

SEA - LHR

Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle
Air Canada
7.1
Good
11,392 reviews
Alaska Airlines
7.9
Good
12,718 reviews

Food

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

7.9

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

SEA - LHR

Alaska has a brilliant crew. And the seats are good. As much as i loved my trip from Heathrow to Seattle, i definitely did not feel the same on the return flight. A lot was due to feeling very cramped and unfortunately for me, i had a kicker behind me and a passenger who did not stop moving (but constantly) next to me. The good was not good and i noticed that most people around me left most of their meal. The ice cream was very nice. I did not have breakfast. However the food was very nice on the way to Seattle

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 Delta. According to our data, you can fly for as low as $142. Users have also found prices from $164 and $202 on United Airlines and Alaska Airlines, 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 $306. On average you can expect to pay $677. 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, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to British Columbia (average of $393). Flying from Washington, D.C. Dulles Intl Airport to British Columbia in July is currently the most expensive (average of $738). 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.

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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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$408FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$219Average$723FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$318Average$625FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$343Average$691FlexibilityNo cancel feeOn-time75%

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