Houston to Calgary (IAH–YYC) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
IAH–YYC is served by 2 airlines with nonstop service. United Airlines and WestJet lead the route. The flight covers 1,748 miles in approximately 4h 15m. Beyond nonstop, 94 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines | 14 | 319, 73G | 4h21-4h25 | Star Alliance | – | |
| WS WestJet | 14 | 737 | 4h20-4h28 | – | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Calgary from Houston
| Metric | IAH→YYC | HOU→YYC | AUS→YYC |
|---|---|---|---|
| Distance from IAH | – | 24 mi | 140 mi |
| Nonstop airlines | 2 | 2 | 1 |
| Weekly flights | 28 | – | – |
| Flight time | 4h 15m | 4h 7m | 2h 33m |
| Departure OTP | 64% | – | – |
Travel Essentials
IAH: CDT · YYC: MDT
When it's 6:00 PM in Houston, it's 5:00 PM in Calgary.
US passport holders enter Canada without a visa for stays up to 6 months. No eTA is needed when arriving by air with a US passport. Passport must be valid for the duration of the stay. A return or onward ticket and proof of funds may be requested at the border.
IAH has no direct rail link to downtown Houston. The IAH Express bus runs from Houston Amtrak/Greyhound station via Park & Ride to Terminal C (60–90 min, $1.25 with METRO Q card). This is the only transit option; Houston's rail network does not reach the airport.Taxis from downtown Houston cost $50–70 and take 40–60 minutes. Ride-hails (Uber, Lyft) are typically $35–55. IAH sits 23 miles north of downtown on the North Freeway (I-45); traffic is heavy during morning and evening rush. Remote economy parking lots serve all terminals via shuttle.
IAH–YYC Quick Facts
Frequently Asked Questions
Flights from IAH to YYC
George Bush Intercontinental Airport (IAH) and Calgary International Airport (YYC) are connected by nonstop service from United Airlines and WestJet. With 28 weekly departures, this is a heavily served route.
IAH to YYC Flight Duration and Schedule
Nonstop flight time from IAH to YYC ranges from 4 hours 15 minutes to 4 hours 25 minutes. The route covers a distance of 1,748 miles (2,813 km). There are approximately 28 weekly flights outbound and 28 return, totaling 56 flights per week in both directions.
Connecting Options and Alternatives
94 one-stop connections are available, with the fastest taking approximately 5 hours via AUS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Houston (HOU) and Austin (AUS).