AirHint found the following cheapest one-way flights from Calgary (YYC) to Houston (IAH) in December 2025 (see full year).
One-Way flights
| 15 Dec | WestJet | direct | |
| 10 Dec | WestJet | direct | |
| 17 Dec | WestJet | direct | |
| 13 Dec | United | ||
| 09 Dec | United | direct | |
| 08 Dec | United | direct | |
| 12 Dec | Air Canada | ||
| 18 Dec | Air Canada | ||
| 14 Dec | WestJet | ||
| 07 Dec | Delta |
Also check the deals for return flights from Calgary to Houston in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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