Cheapest return flights from Houston to Porto in June from 742€

AirHint found the following cheapest return flights from Houston (IAH) to Porto (OPO) in June 2026 (see full year).

Return flights

30 Jun - 07 Jul Air Canada
30 Jun - 08 Jul Air Canada
15 Jun - 23 Jun Air Canada
15 Jun - 22 Jun British Airways
29 Jun - 06 Jul British Airways
28 Jun - 06 Jul British Airways
29 Jun - 07 Jul United
28 Jun - 05 Jul Air Canada
27 Jun - 05 Jul Air Canada
27 Jun - 04 Jul British Airways

Also check the deals for one-way flights from Houston to Porto in June.

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