Cheapest return flights from Houston to Porto in July from 675€

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

Return flights

21 Jul - 28 Jul Air Canada
06 Jul - 14 Jul ITA Airways
20 Jul - 27 Jul Air France
20 Jul - 26 Jul Air Canada
15 Jul - 22 Jul Air Canada
19 Jul - 26 Jul Air Canada
13 Jul - 20 Jul ITA Airways
18 Jul - 25 Jul Air Canada
07 Jul - 14 Jul Turkish Airlines
06 Jul - 13 Jul ITA Airways

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

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