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

Return flights

14 Jan - 21 Jan	KLM
15 Jan - 31 Jan	Turkish Airlines
12 Jan - 02 Feb	Turkish Airlines
03 Jan - 03 Feb	Qatar Airways
05 Jan - 12 Jan	Turkish Airlines
09 Jan - 28 Feb	Turkish Airlines
04 Jan - 11 Jan	Turkish Airlines
02 Jan - 12 Jan	Turkish Airlines

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

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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Cheapest return flights from Porto to Bangkok in January from 772€

Return flights