Cheapest one-way flights from Houston to Toronto in May from $115

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

One-Way flights

03 May Frontier Airlines
20 May Spirit Airlines
18 May Frontier Airlines
04 May Frontier Airlines
17 May Frontier Airlines
29 May WestJet
31 May WestJet
01 May WestJet
23 May Spirit Airlines
17 May Air Canada direct

Also check the deals for return 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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