AirHint found the following cheapest return flights from Basel (BSL) to Bangkok (BKK) in September 2026 (see full year).
Return flights
| 20 Sep - 08 Oct | KLM | ||
| 28 Sep - 12 Oct | KLM | ||
| 12 Sep - 26 Sep | KLM | ||
| 26 Sep - 10 Oct | Air France | ||
| 07 Sep - 06 Oct | IndiGo | ||
| 05 Sep - 17 Sep | KLM | ||
| 04 Sep - 27 Sep | KLM | ||
| 19 Sep - 09 Oct | KLM | ||
| 17 Sep - 12 Oct | Lufthansa |
Also check the deals for one-way flights from Basel 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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