Houston (IAH) to Calgary (YYC) flights
2 airlines fly nonstop from Houston (IAH) to Calgary (YYC): United Airlines and WestJet. The two airports are 1,749 miles (2,814 km) apart. United Airlines is in Star Alliance. There are also 42 ways to fly it with one stop, through Dallas, Denver and Austin and more.
Airlines flying nonstop from IAH to YYC
- United AirlinesStar Alliance · bookable with 13 programsWho books it
- WestJetNot in an alliance · bookable with 3 programsWho books it
Book IAH 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
IAH to YYC with one stop
42 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Dallas (DFW)American Airlines the whole way
- Via Denver (DEN)United Airlines the whole way
- Via Austin (AUS)United Airlines, then WestJet
- Via Salt Lake City (SLC)Delta Air Lines the whole way
- Via Edmonton (YEG)United Airlines, then Air Canada, WestJet and 1 more
4N - Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Phoenix (PHX)American Airlines, United Airlines and 1 more, then WestJet and Porter Airlines
- Via Las Vegas (LAS)Frontier Airlines and United Airlines, then WestJet
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Seattle (SEA)Alaska Airlines the whole way
- Via Nashville (BNA)United Airlines, then WestJet
- Via Portland (PDX)United Airlines and Alaska Airlines, then WestJet
- Via Vancouver (YVR)Air Canada the whole way
- Via Palm Springs (PSP)United Airlines, then WestJet
- Via Santa Ana (SNA)United Airlines, then WestJet
IAH to YYC: common questions
Which airlines fly nonstop from IAH to YYC?
United Airlines (Star Alliance) and WestJet fly nonstop from Houston (IAH) to Calgary (YYC).
How far is Houston from Calgary by plane?
Houston (IAH) and Calgary (YYC) are 1,749 miles (2,814 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAH 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 IAH 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 IAH to YYC with taxes and fees.
Where can I connect between Houston and Calgary?
The most direct connections are through Dallas (DFW), Denver (DEN), Austin (AUS), Salt Lake City (SLC) and Edmonton (YEG). On 12 of them the same airline flies both flights, for example American Airlines through Dallas.
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.