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

One-Way flights

29 Sep	Thai VietJet Air
09 Sep	Thai VietJet Air
19 Sep	Thai AirAsia
25 Sep	Thai Lion Air
10 Sep	Thai Lion Air
07 Sep	Thai VietJet Air
08 Sep	Thai VietJet Air
28 Sep	Thai Lion Air
24 Sep	Gulf Air
21 Sep	Gulf Air

Also check the deals for return 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 one-way flights from Bangkok to Doha in September from $232

One-Way flights