Cheapest return flights from Houston to Toronto in May from 238€

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

Return flights

12 May - 20 May Frontier Airlines
14 May - 17 May Frontier Airlines
06 May - 27 May Frontier Airlines
07 May - 09 May Frontier Airlines
13 May - 20 May Spirit Airlines
28 May - 31 May Frontier Airlines
28 May - 01 Jun Frontier Airlines
07 May - 10 May Frontier Airlines
01 May - 04 May Spirit Airlines
01 May - 26 May Spirit Airlines
24 May - 31 May Spirit Airlines
28 May - 01 Jun Air Canada direct

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

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