Nonstop flights from Calgary to Houston
2 airlines fly this route, with up to 3 flights a day.
YYCCalgary International
1,749 mi · 20 flights a week
IAHHouston George Bush Intercontinental
When they leave
Calgary time8:45a5:30pFirst departure 8:45 AM, last 5:30 PM
One morning flight at 8:45 AM, then one afternoon flight at 1:56 PM, then one evening flight at 5:30 PM.
Every flight
Earliest first
Schedules last checked Oct 7, 2026. Times are local.
Flying from Calgary to Houston
WestJet flies most often, 1 to 2 times a day on the Boeing 737 MAX 8. United Airlines flies daily on the Boeing 737 MAX 8.
There are 2 or 3 flights every day of the week. The first arrival in Houston is at 1:55 PM and the last at 10:40 PM. The flight covers 1,749 miles.
Flying back, Houston to Calgary has 27 nonstop flights a week.
Return flights
More from Calgary
Find the cheapest day to fly from Calgary to Houston.
Schedules as of Oct 9, 2026.