For a smooth departure from IAD, use the Aerotrain for faster transit between terminals, but be prepared for some walking.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $222 (Kiwi.com) |
One-way from | $94 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $406 |
Good round-trip deal | $449 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Thu 1/15
4:30 pm-12:14 am
1 stop9h 44m
Calgary
Tue 1/20
5:35 am-3:46 pm
1 stop8h 11m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Thu 1/15
11:40 am-9:35 pm
2 stops11h 55m
Calgary
Tue 1/20
6:30 pm-10:24 am
1 stop13h 54m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Sun 1/11
11:40 am-12:05 am
1 stop14h 25m
Calgary
Thu 1/15
12:30 am-11:45 am
1 stop9h 15m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Wed 2/4
2:15 pm-8:56 pm
1 stop8h 41m
Calgary
Sun 2/8
6:30 am-6:56 pm
1 stop10h 26m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Mon 5/4
12:00 pm-8:44 pm
1 stop10h 44m
Calgary
Tue 5/12
6:35 am-5:58 pm
1 stop9h 23m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Mon 5/4
12:00 pm-8:44 pm
1 stop10h 44m
Calgary
Wed 5/13
6:35 am-5:58 pm
1 stop9h 23m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Thu 11/20
11:50 am-8:53 pm
1 stop11h 03m
Calgary
Mon 11/24
3:07 pm-11:52 pm
1 stop6h 45m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Tue 5/5
12:00 pm-8:44 pm
1 stop10h 44m
Calgary
Tue 5/12
6:35 am-5:58 pm
1 stop9h 23m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Sun 2/1
2:15 pm-8:56 pm
1 stop8h 41m
Calgary
Wed 2/4
12:40 pm-11:48 pm
1 stop9h 08m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Wed 12/3
9:00 am-7:09 pm
1 stop12h 09m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Calgary may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Calgary (average of $101). Flying from Washington, D.C. Dulles Intl Airport to Calgary in January is currently the most expensive (average of $315). 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.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Calgary is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 51% on airfare.
Food
Crew
Comfort
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Food
Crew
Comfort
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Food
Crew
Comfort
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Food
Crew
Comfort
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Food
Crew
Comfort
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
Food
Crew
Comfort
Entertainment
Overall
Boarding
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$350 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$162 | Average$520 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$267 | Average$572 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$437 | FlexibilityNo cancel fee | On-time71% |