Cheapest return flights from Porto to Bangkok in September from 606€

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 September 2025 (see full year).

Return flights

16 Sep - 29 Sep Ryanair
16 Sep - 23 Sep easyJet
19 Sep - 05 Oct Lufthansa
02 Sep - 09 Sep Ryanair
02 Sep - 25 Sep KLM
25 Sep - 11 Oct SWISS
14 Sep - 28 Sep Austrian Airlines
15 Sep - 22 Sep Air France
27 Sep - 11 Oct SWISS
02 Sep - 16 Sep Lufthansa
21 Sep - 01 Oct SWISS
02 Sep - 19 Sep SWISS
22 Sep - 04 Oct SWISS
29 Sep - 24 Oct SWISS
08 Sep - 19 Sep SWISS
15 Sep - 26 Sep SWISS

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

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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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