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 | $198 (Kiwi.com) |
One-way from | $81 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $650 |
Good round-trip deal | $534 or less |
Good one-way deal | $290 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Mon 5/4
10:10 pm-12:03 pm
1 stop15h 53m
Calgary
Sun 5/10
3:22 pm-7:06 am
1 stop13h 44m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Tue 5/26
3:30 pm-10:54 pm
1 stop9h 24m
Calgary
Sat 6/6
6:20 am-12:32 am
1 stop16h 12m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Tue 5/26
3:30 pm-10:54 pm
1 stop9h 24m
Calgary
Wed 6/3
8:30 am-5:13 pm
1 stop6h 43m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Fri 5/1
10:10 pm-12:03 pm
1 stop15h 53m
Calgary
Tue 5/5
3:22 pm-7:24 am
2 stops14h 02m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Fri 5/1
10:10 pm-12:03 pm
1 stop15h 53m
Calgary
Mon 5/4
3:22 pm-7:24 am
2 stops14h 02m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Fri 5/1
8:11 pm-12:54 pm
2 stops18h 43m
Calgary
Tue 5/5
6:45 am-8:49 am
2 stops24h 04m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Wed 5/20
6:45 pm-9:35 pm
Nonstop4h 50m
Calgary
Mon 5/25
11:30 am-5:50 pm
Nonstop4h 20m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Wed 2/4
4:30 pm-12:14 am
1 stop9h 44m
Calgary
Sun 2/8
5:35 am-3:49 pm
1 stop8h 14m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Mon 5/25
6:00 am-3:05 pm
2 stops11h 05m
Calgary
Fri 6/5
11:30 am-5:50 pm
Nonstop4h 20m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Wed 5/27
6:15 am-6:40 pm
2 stops14h 25m
Calgary
Fri 6/5
11:30 am-5:50 pm
Nonstop4h 20m
| 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 19 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 $352). 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.
Boarding
Comfort
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Crew
Entertainment
Food
Overall
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$381 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$149 | Average$353 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$162 | Average$535 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$267 | Average$553 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$278 | Average$443 | FlexibilityNo cancel fee | On-time71% |