AirHint found the following cheapest return flights from Houston (HOU) to Calgary (YYC) in April 2026 (see full year).
Return flights
| 07 Apr - 14 Apr | United | ||
| 12 Apr - 19 Apr | United | ||
| 07 Apr - 14 Apr | WestJet | direct | |
| 12 Apr - 19 Apr | WestJet | direct |
Also check the deals for one-way flights from Houston to Calgary in April.
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