Cheapest return flights from Houston to Calgary in October from $242

AirHint found the following cheapest return flights from Houston (IAH) to Calgary (YYC) in October 2025 (see full year).

Return flights

28 Oct - 29 Oct American Airlines
31 Oct - 03 Nov Frontier Airlines
31 Oct - 03 Nov WestJet direct
29 Oct - 31 Oct Frontier Airlines
30 Oct - 06 Nov Frontier Airlines
30 Oct - 07 Nov Frontier Airlines
30 Oct - 06 Nov WestJet direct
29 Oct - 30 Oct Frontier Airlines
29 Oct - 31 Oct United direct
28 Oct - 30 Oct Spirit Airlines
30 Oct - 07 Nov WestJet direct
28 Oct - 30 Oct WestJet direct
29 Oct - 30 Oct WestJet direct
28 Oct - 29 Oct WestJet direct

Also check the deals for one-way flights from Houston to Calgary in October.

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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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