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

Return flights

20 Sep - 24 Sep	Thai Lion Air
07 Sep - 12 Sep	Thai Lion Air
19 Sep - 23 Sep	Thai Lion Air
04 Sep - 11 Sep	Thai Lion Air
06 Sep - 17 Sep	Thai VietJet Air
04 Sep - 10 Sep	Thai Lion Air
04 Sep - 15 Sep	Thai Lion Air
01 Sep - 08 Sep	Thai Lion Air
03 Sep - 15 Sep	Thai Lion Air
03 Sep - 10 Sep	Thai Lion Air
29 Sep - 06 Oct	Air Arabia
29 Sep - 06 Oct	Qatar Airways	direct

Also check the deals for one-way flights from Bangkok to Doha 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 Doha in September from 353€

Return flights