AirHint found the following cheapest return flights from Dublin (DUB) to Bangkok (BKK) in September 2026 (see full year).

Return flights

08 Sep - 02 Oct	SWISS
01 Sep - 30 Sep	SWISS
02 Sep - 16 Sep	SWISS
05 Sep - 17 Sep	Etihad Airways
01 Sep - 19 Sep	Etihad Airways
01 Sep - 29 Sep	Etihad Airways
04 Sep - 15 Sep	Austrian Airlines
01 Sep - 20 Sep	Austrian Airlines
09 Sep - 26 Sep	Lufthansa
07 Sep - 21 Sep	Lufthansa
22 Sep - 03 Oct	Lufthansa
17 Sep - 29 Sep	Lufthansa
20 Sep - 09 Oct	Lufthansa
03 Sep - 01 Oct	SWISS
24 Sep - 10 Oct	Etihad Airways
25 Sep - 18 Oct	Etihad Airways
25 Sep - 09 Oct	Etihad Airways
26 Sep - 17 Oct	Etihad Airways
26 Sep - 10 Oct	Etihad Airways
28 Sep - 16 Oct	Etihad Airways

Also check the deals for one-way flights from Dublin 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.

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Cheapest return flights from Dublin to Bangkok in September from 480€

Return flights