AirHint found the following cheapest one-way flights from Houston (HOU) to Calgary (YYC) in August 2025 (see full year).

One-Way flights

23 Aug	WestJet	direct
11 Aug	WestJet	direct
06 Aug	WestJet	direct
12 Aug	WestJet	direct
04 Aug	WestJet	direct
10 Aug	United	direct
03 Aug	Air Canada
08 Aug	Air Canada
07 Aug	Air Canada
30 Aug	Air Canada

Also check the deals for return flights from Houston to Calgary in August.

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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Cheapest one-way flights from Houston to Calgary in August from $116

One-Way flights