Cheapest return flights from Basel to Bangkok in September from 539€

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

Return flights

23 Sep - 07 Oct KLM
02 Sep - 29 Sep KLM
15 Sep - 14 Oct KLM
15 Sep - 29 Sep KLM
07 Sep - 18 Sep KLM
01 Sep - 22 Sep IndiGo
11 Sep - 24 Sep IndiGo
20 Sep - 27 Sep IndiGo
29 Sep - 07 Oct KLM
07 Sep - 22 Sep KLM
15 Sep - 22 Sep KLM
06 Sep - 20 Sep IndiGo
20 Sep - 05 Oct KLM
13 Sep - 27 Sep Air France
11 Sep - 02 Oct KLM
26 Sep - 10 Oct Air France
26 Sep - 04 Oct Air France
19 Sep - 12 Oct Air France
25 Sep - 12 Oct KLM
19 Sep - 05 Oct KLM

Also check the deals for one-way flights from Basel 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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