Cheapest return flights from Bangkok to Dublin in September from $690

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

Return flights

18 Sep - 02 Oct Thai Lion Air
13 Sep - 20 Sep Hainan Airlines
15 Sep - 26 Sep KLM
15 Sep - 21 Sep KLM
14 Sep - 21 Sep Air France
08 Sep - 15 Sep Hainan Airlines
03 Sep - 17 Sep Hainan Airlines
13 Sep - 27 Sep Hainan Airlines
01 Sep - 17 Sep Thai AirAsia X
02 Sep - 24 Oct IndiGo
12 Sep - 19 Sep KLM

Also check the deals for one-way flights from Bangkok to Dublin in September.

Skyscanner

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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