AirHint found the following cheapest one-way flights from Calgary (YYC) to Houston (IAH) in March 2026 (see full year).
One-Way flights
| 25 Mar | WestJet | direct | |
| 10 Mar | Air Canada | ||
| 10 Mar | United | direct | |
| 15 Mar | WestJet | ||
| 15 Mar | WestJet | direct |
Also check the deals for return flights from Calgary to Houston in March.
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