AirHint found the following cheapest return flights from Bangkok (DMK) to Paris (CDG) in September 2025 (see full year).

Return flights

29 Sep - 13 Oct	Thai AirAsia
21 Sep - 07 Oct	Thai Lion Air
25 Sep - 29 Sep	Thai Lion Air
19 Sep - 05 Oct	Thai Lion Air
30 Sep - 14 Oct	Thai AirAsia
27 Sep - 05 Oct	Thai Lion Air
10 Sep - 09 Oct	Nok Air
10 Sep - 17 Sep	Nok Air
08 Sep - 23 Sep	Thai Lion Air
10 Sep - 11 Oct	Nok Air
09 Sep - 11 Oct	Thai Lion Air
14 Sep - 21 Sep	Thai Lion Air
14 Sep - 20 Sep	Thai Lion Air
10 Sep - 12 Sep	Nok Air
14 Sep - 25 Sep	AirAsia
18 Sep - 25 Sep	Nok Air
08 Sep - 30 Sep	Nok Air
07 Sep - 08 Sep	Nok Air
13 Sep - 11 Oct	Batik Air Malaysia
20 Sep - 05 Oct	AirAsia

Also check the deals for one-way flights from Bangkok to Paris 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 Bangkok to Paris in September from 551€

Return flights