Cheapest return flights from Houston to Toronto in May from $634

AirHint found the following cheapest return flights from Houston (IAH) to Toronto (YYZ) in May 2026 (see full year).

Return flights

21 May - 11 Jun Air Canada direct
23 May - 30 May Air Canada direct

Also check the deals for one-way flights from Houston to Toronto in May.

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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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