Cheapest return flights from Basel to Bangkok in September from 540€

AirHint found the following cheapest return flights from Basel (BSL) to Bangkok (BKK) in September 2026 (see full year).

Return flights

14 Sep - 23 Sep KLM
19 Sep - 28 Sep Air France
19 Sep - 29 Sep Air France
19 Sep - 30 Sep Air France
19 Sep - 01 Oct Air France
26 Sep - 11 Oct Air France
21 Sep - 27 Sep Air France
28 Sep - 07 Oct Air France
25 Sep - 05 Oct KLM

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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