Cheapest return flights from Houston to Porto in January from $598

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

Return flights

20 Jan - 27 Jan United
27 Jan - 03 Feb United
28 Jan - 04 Feb British Airways
19 Jan - 26 Jan Air France
26 Jan - 02 Feb KLM
18 Jan - 25 Jan United
22 Jan - 29 Jan United
29 Jan - 05 Feb United
25 Jan - 01 Feb United
23 Jan - 30 Jan Air France
30 Jan - 06 Feb Air France
24 Jan - 31 Jan United
31 Jan - 07 Feb British Airways

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

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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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