Cheapest return flights from Houston to Porto in June from 740€

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

Return flights

17 Jun - 25 Jun Air Canada
30 Jun - 08 Jul Air Canada
30 Jun - 07 Jul Air Canada
16 Jun - 23 Jun Air Canada
29 Jun - 07 Jul Air Canada
28 Jun - 06 Jul British Airways
18 Jun - 25 Jun Air Canada
28 Jun - 05 Jul Air Canada
16 Jun - 24 Jun British Airways
29 Jun - 06 Jul British Airways
17 Jun - 24 Jun Air Canada
19 Jun - 27 Jun Air Canada
27 Jun - 05 Jul Air Canada
19 Jun - 26 Jun Air Canada
18 Jun - 26 Jun 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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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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