Cheapest return YQB–OPO flights, May

AirHint found the following cheapest return flights from Quebec (YQB) to Porto (OPO) in May 2026 (see full year).

Return flights

29 May - 23 Jun Air Canada
30 May - 20 Jun Air Canada
19 May - 28 May Air Canada

Also check the deals for one-way flights from Quebec to Porto in May.

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