Houston (IAH) to Toronto (YYZ) flights
2 airlines fly nonstop from Houston (IAH) to Toronto (YYZ): Air Canada and United Airlines. The two airports are 1,281 miles (2,062 km) apart. Air Canada and United Airlines are in Star Alliance. There are also 41 ways to fly it with one stop, through Indianapolis, Cincinnati and Cleveland and more.
Airlines flying nonstop from IAH to YYZ
- Air CanadaStar Alliance · bookable with 12 programsWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAH to YYZ with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks Air Canada, United Airlines
- Air New Zealand AirpointsBooks Air Canada, United Airlines
- ANA Mileage ClubBooks Air Canada, United Airlines
- Avianca LifeMilesBooks Air Canada, United Airlines
- Emirates SkywardsBooks Air Canada, United Airlines
- EVA Air Infinity MileageLandsBooks Air Canada, United Airlines
- Lufthansa Miles & MoreBooks Air Canada, United Airlines
- Singapore Airlines KrisFlyerBooks Air Canada, United Airlines
- TAP Miles&GoBooks Air Canada, United Airlines
- Thai Royal Orchid PlusBooks Air Canada, United Airlines
- Turkish Airlines Miles&SmilesBooks Air Canada, United Airlines
- United MileagePlusBooks Air Canada, United Airlines
- JetBlue TrueBlueBooks United Airlines
IAH to YYZ with one stop
41 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Indianapolis (IND)United Airlines, then Air Canada
- Via Cincinnati (CVG)United Airlines, then Air Canada
- Via Cleveland (CLE)United Airlines, then Air Canada
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Columbus (CMH)United Airlines, then Air Canada
- Via Nashville (BNA)United Airlines, then Air Canada and WestJet
- Via Saint Louis (STL)United Airlines, then Air Canada
- Via Pittsburgh (PIT)United Airlines, then Air Canada
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via New Orleans (MSY)United Airlines, then Air Canada
- Via Dallas (DFW)American Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Austin (AUS)United Airlines, then Air Canada and Porter Airlines
- Via Charlotte (CLT)American Airlines the whole way
- Via Dulles (IAD)United Airlines the whole way
IAH to YYZ: common questions
Which airlines fly nonstop from IAH to YYZ?
Air Canada (Star Alliance) and United Airlines (Star Alliance) fly nonstop from Houston (IAH) to Toronto (YYZ).
How far is Houston from Toronto by plane?
Houston (IAH) and Toronto (YYZ) are 1,281 miles (2,062 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 YYZ award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAH to YYZ 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 YYZ with taxes and fees.
Where can I connect between Houston and Toronto?
The most direct connections are through Indianapolis (IND), Cincinnati (CVG), Cleveland (CLE), Detroit (DTW) and Columbus (CMH). On 14 of them the same airline flies both flights, for example Delta Air Lines through Detroit.
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.