Cheapest return flights from Madrid to Bangkok in September from $512

Best time to book flights for Madrid (MAD) to Bangkok (BKK) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to Bangkok (BKK) in September 2025 (see full year).

Return flights

28 Sep - 31 Oct SWISS
10 Sep - 21 Sep SWISS
21 Sep - 01 Oct SWISS
11 Sep - 18 Sep SWISS
11 Sep - 21 Sep KLM
07 Sep - 29 Sep KLM
10 Sep - 17 Sep KLM
07 Sep - 17 Sep KLM
11 Sep - 24 Sep KLM
09 Sep - 21 Sep KLM
09 Sep - 27 Sep KLM
11 Sep - 22 Sep KLM
11 Sep - 20 Oct KLM
07 Sep - 19 Oct KLM
09 Sep - 02 Oct KLM
28 Sep - 06 Oct Iberojet direct
11 Sep - 06 Oct KLM
16 Sep - 02 Oct Air France
18 Sep - 09 Oct Air France
18 Sep - 06 Oct Air France

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

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.

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