Dulles (IAD) to Calgary (YYC) flights
2 airlines fly nonstop from Dulles (IAD) to Calgary (YYC): United Airlines and WestJet. The two airports are 1,947 miles (3,134 km) apart. United Airlines is in Star Alliance. There are also 33 ways to fly it with one stop, through Detroit, Minneapolis and Chicago and more.
Airlines flying nonstop from IAD to YYC
- United AirlinesStar Alliance · bookable with 13 programsWho books it
- WestJetNot in an alliance · bookable with 3 programsWho books it
Book IAD to YYC with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Emirates SkywardsBooks United Airlines, WestJet
- Air Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks WestJet
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Delta SkyMilesBooks WestJet
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAD to YYC with one stop
33 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Detroit (DTW)Delta Air Lines and United Airlines, then WestJet
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Chicago (ORD)United Airlines the whole way
- Via Toronto (YYZ)Air Canada the whole way
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- Via New York (EWR)United Airlines, then Air Canada
- Via Ottawa (YOW)United Airlines, then Air Canada, WestJet and 1 more
- Via Nashville (BNA)United Airlines, then WestJet
- Via New York (LGA)United Airlines, then American Airlines
- Via New York (JFK)Delta Air Lines, then WestJet and American Airlines
- Via Charlotte (CLT)American Airlines the whole way
- Via Denver (DEN)United Airlines the whole way
- Via Montreal (YUL)Air Canada the whole way
- Via Atlanta (ATL)Delta Air Lines, United Airlines and 1 more, then WestJet
- Via Boston (BOS)United Airlines, then WestJet
- Via Salt Lake City (SLC)Delta Air Lines the whole way
IAD to YYC: common questions
Which airlines fly nonstop from IAD to YYC?
United Airlines (Star Alliance) and WestJet fly nonstop from Dulles (IAD) to Calgary (YYC).
How far is Dulles from Calgary by plane?
Dulles (IAD) and Calgary (YYC) are 1,947 miles (3,134 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to YYC award flights?
15 programs can book at least one of the nonstop airlines: Emirates Skywards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Delta SkyMiles, EVA Air Infinity MileageLands and 7 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD to YYC cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to YYC with taxes and fees.
Where can I connect between Dulles and Calgary?
The most direct connections are through Detroit (DTW), Minneapolis (MSP), Chicago (ORD), Toronto (YYZ) and New York (EWR). On 11 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.