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

Return flights

16 Sep - 08 Oct	Pegasus Airlines
06 Sep - 21 Sep	Lufthansa
15 Sep - 22 Sep	Lufthansa
02 Sep - 15 Sep	Lufthansa
01 Sep - 18 Sep	Lufthansa
09 Sep - 18 Sep	Lufthansa
01 Sep - 16 Sep	Lufthansa
01 Sep - 30 Sep	Lufthansa
08 Sep - 19 Sep	Lufthansa
06 Sep - 22 Sep	Lufthansa
17 Sep - 29 Sep	Lufthansa
09 Sep - 09 Oct	Lufthansa
26 Sep - 06 Oct	Lufthansa
21 Sep - 14 Oct	Austrian Airlines
29 Sep - 11 Oct	Lufthansa
21 Sep - 12 Oct	Austrian Airlines
10 Sep - 02 Oct	Lufthansa
27 Sep - 11 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Lyon to Bangkok in September from 572€

Return flights