Canada to United States · 1,749 miles (2,814 km)

Calgary (YYC) to Houston (IAH) flights

2 airlines fly nonstop from Calgary (YYC) to Houston (IAH): 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 YYC to IAH

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it
  • WestJet logo
    WestJetNot in an alliance · bookable with 3 programsWho books it

Book YYC to IAH with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

YYC to IAH 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
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Denver (DEN)United Airlines the whole way
    United Airlines logo
    WestJet logo
    Frontier Airlines logo
    United Airlines logo
  • Via Austin (AUS)WestJet, then United Airlines
    WestJet logo
    United Airlines logo
  • Via Salt Lake City (SLC)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Edmonton (YEG)Air North, Air Canada and 1 more, then United Airlines
    4N
    Air Canada logo
    WestJet logo
    United Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines the whole way
    Delta Air Lines logo
    WestJet logo
    Delta Air Lines logo
    United Airlines logo
  • Via Phoenix (PHX)WestJet and Porter Airlines, then American Airlines, United Airlines and 1 more
    WestJet logo
    Porter Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Las Vegas (LAS)WestJet, then Frontier Airlines and United Airlines
    WestJet logo
    Frontier Airlines logo
    United Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    WestJet logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Seattle (SEA)Alaska Airlines the whole way
    Alaska Airlines logo
    WestJet logo
    Alaska Airlines logo
    United Airlines logo
  • Via Nashville (BNA)WestJet, then United Airlines
    WestJet logo
    United Airlines logo
  • Via Portland (PDX)WestJet, then United Airlines and Alaska Airlines
    WestJet logo
    United Airlines logo
    Alaska Airlines logo
  • Via Vancouver (YVR)Air Canada the whole way
    Air Canada logo
    WestJet logo
    Flair Airlines logo
    United Airlines logo
    Air Canada logo
  • Via Palm Springs (PSP)WestJet, then United Airlines
    WestJet logo
    United Airlines logo
  • Via Santa Ana (SNA)WestJet, then United Airlines
    WestJet logo
    United Airlines logo
See all 42 in Routes

YYC to IAH: common questions

Which airlines fly nonstop from YYC to IAH?

United Airlines (Star Alliance) and WestJet fly nonstop from Calgary (YYC) to Houston (IAH).

How far is Calgary from Houston by plane?

Calgary (YYC) and Houston (IAH) 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 YYC to IAH 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 YYC to IAH cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for YYC to IAH with taxes and fees.

Where can I connect between Calgary and Houston?

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.