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

Return flights

30 Sep - 30 Oct	Volotea
01 Sep - 29 Oct	easyJet
01 Sep - 30 Oct	easyJet
11 Sep - 25 Sep	IndiGo
01 Sep - 27 Sep	IndiGo
08 Sep - 22 Sep	IndiGo
10 Sep - 25 Sep	IndiGo
10 Sep - 21 Sep	IndiGo
07 Sep - 26 Sep	IndiGo
07 Sep - 22 Sep	IndiGo
16 Sep - 23 Sep	IndiGo
02 Sep - 16 Sep	IndiGo
09 Sep - 19 Sep	IndiGo
01 Sep - 28 Oct	IndiGo
01 Sep - 31 Oct	easyJet
30 Sep - 18 Oct	Volotea
27 Sep - 12 Oct	Lufthansa
08 Sep - 01 Oct	Lufthansa
08 Sep - 08 Oct	Lufthansa
19 Sep - 10 Oct	IndiGo

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

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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Cheapest return flights from Lyon to Bangkok in September from 514€

Return flights