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

Return flights

17 Sep - 24 Sep	Thai AirAsia
14 Sep - 21 Sep	Thai VietJet Air
11 Sep - 18 Sep	Thai VietJet Air
12 Sep - 19 Sep	Thai AirAsia
15 Sep - 22 Sep	Thai VietJet Air
01 Sep - 08 Sep	Thai VietJet Air
15 Sep - 22 Sep	Qatar Airways	direct
01 Sep - 08 Sep	Qatar Airways	direct
17 Sep - 24 Sep	Qatar Airways	direct
11 Sep - 18 Sep	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 $433

Return flights