Check-in at IAD can be crowded in the afternoon and evening. Arrive early to navigate the busy area smoothly.

Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $238 (Kiwi.com) |
One-way from | $91 (Air Canada) |
Popular in | December |
Cheapest in | October |
Average price | $248 |
Good round-trip deal | $346 or less |
Good one-way deal | $99 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Wed 11/19
10:22 am-9:51 pm
1 stop13h 29m
Calgary
Sat 11/22
12:20 pm-11:16 pm
1 stop8h 56m
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Thu 12/11
11:14 am-9:51 pm
1 stop12h 37m
Calgary
Fri 12/12
8:55 am-12:32 am
1 stop13h 37m
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Fri 12/5
11:48 am-3:10 pm
2 stops29h 22m
Calgary
Thu 12/11
12:30 am-10:55 am
1 stop8h 25m
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Thu 11/20
5:40 am-9:30 pm
2 stops17h 50m
Calgary
Sun 11/23
8:55 am-11:19 pm
1 stop12h 24m
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Fri 11/21
5:40 am-10:21 pm
2 stops18h 41m
Calgary
Mon 11/24
7:30 am-11:16 pm
1 stop13h 46m
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Sun 1/11
11:14 am-9:51 pm
1 stop12h 37m
Calgary
Fri 1/16
7:40 pm-7:19 pm
1 stop21h 39m
Washington, D.C.Calgary
DCA - YYC
DCAYYC
Washington, D.C. Reagan-National
Sat 11/8
5:10 pm-11:02 pm
1 stop7h 52m
Calgary
Wed 11/12
6:35 am-5:59 pm
1 stop9h 24m
Washington, D.C.Calgary
IAD - YYC
IADYYC
Washington, D.C. Dulles Intl
Sat 11/8
6:15 am-11:42 am
1 stop7h 27m
Calgary
Wed 11/12
6:35 am-6:19 pm
1 stop9h 44m
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Fri 12/5
10:40 am-4:15 pm
3 stops31h 35m
Calgary
Mon 12/8
9:45 pm-11:45 pm
3 stops24h 00m
BaltimoreCalgary
BWI - YYC
BWIYYC
Baltimore/Washington
Thu 11/27
6:29 pm-9:51 pm
2 stops29h 22m
Calgary
Tue 12/2
12:20 pm-1:21 pm
2 stops23h 01m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 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. to Calgary may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, July is the cheapest month in which you can book a flight from Washington, D.C. to Calgary (average of $98). Flying from Washington, D.C. to Calgary in December is currently the most expensive (average of $187). 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.
It’s typically best to fly out from Washington, D.C. to Calgary in the evening. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.
Toronto (YYZ) – chosen by Cheapflights users on 83% of 1-stop itineraries from Washington, D.C. to Calgary on Cheapflights.
Montreal (YUL) is the most affordable 1-stop option, with an average round-trip price of $305.
Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 7h 09m.
Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 0h 54m.
Comfort
Entertainment
Boarding
Crew
Food
Overall
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Entertainment
Boarding
Crew
Food
Overall
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Entertainment
Boarding
Crew
Food
Overall
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Entertainment
Boarding
Crew
Food
Overall
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Entertainment
Boarding
Crew
Food
Overall
Reviews
Matthew,Oct 2025
GSP - ATL
Comfort
Entertainment
Boarding
Crew
Food
Overall
Reviews
Matthew,Oct 2025
GSP - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$100 | Average$516 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$139 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$148 | Average$506 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$160 | Average$434 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$278 | Average$450 | FlexibilityNo cancel fee | On-time71% |