Cheapest return flights from Porto to Bangkok in December from 666€

Best time to book flights for Porto (OPO) to Bangkok (BKK) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Bangkok (BKK) in December 2025 (see full year).

Return flights

01 Dec - 10 Dec SWISS
03 Dec - 17 Dec KLM
03 Dec - 16 Dec KLM
07 Dec - 28 Dec KLM
03 Dec - 27 Dec KLM
01 Dec - 13 Dec Turkish Airlines
02 Dec - 16 Dec SWISS
26 Dec - 09 Jan Turkish Airlines
25 Dec - 03 Jan Turkish Airlines
25 Dec - 08 Jan Turkish Airlines
16 Dec - 06 Jan Turkish Airlines
27 Dec - 07 Jan SWISS
27 Dec - 04 Jan SWISS
19 Dec - 27 Dec Lufthansa
20 Dec - 02 Jan Lufthansa
19 Dec - 04 Jan Lufthansa
26 Dec - 03 Jan Lufthansa
19 Dec - 03 Jan Lufthansa

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

Skyscanner

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok