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

Return flights

21 May - 28 May	SWISS
19 May - 09 Jun	SWISS
19 May - 16 Jun	SWISS
12 May - 09 Jun	Lufthansa
15 May - 15 Jun	Lufthansa
15 May - 08 Jun	Lufthansa
18 May - 08 Jun	Lufthansa
15 May - 26 May	Lufthansa
11 May - 25 May	Austrian Airlines
13 May - 27 May	Lufthansa
11 May - 08 Jun	Lufthansa
21 May - 08 Jun	Lufthansa
21 May - 11 Jun	Lufthansa
21 May - 15 Jun	Lufthansa
01 May - 29 May	Lufthansa
14 May - 19 May	Lufthansa
15 May - 29 May	Lufthansa
26 May - 27 May	SWISS
12 May - 20 May	Lufthansa
01 May - 20 May	Lufthansa

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

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 May from 484€

Return flights