AirHint found the following cheapest return flights from Calgary (YYC) to Houston (IAH) in June 2026 (see full year).
Return flights
| 24 Jun - 01 Jul | WestJet | direct | |
| 15 Jun - 17 Jun | WestJet | direct | |
| 17 Jun - 21 Jun | WestJet | direct | |
| 16 Jun - 19 Jun | WestJet |
Also check the deals for one-way flights from Calgary to Houston in June.
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