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

Return flights

27 May - 02 Jun	SWISS
28 May - 03 Jun	SWISS
29 May - 03 Jun	KLM
20 May - 26 May	Gulf Air
21 May - 27 May	Etihad Airways
12 May - 19 May	Etihad Airways
30 May - 02 Jun	Gulf Air
11 May - 19 May	Etihad Airways
11 May - 20 May	Etihad Airways
11 May - 21 May	Etihad Airways
12 May - 20 May	Etihad Airways
28 May - 02 Jun	Etihad Airways
03 May - 13 May	Etihad Airways
03 May - 11 May	Etihad Airways
04 May - 18 May	Etihad Airways
25 May - 01 Jun	Etihad Airways
03 May - 03 Jun	Etihad Airways
28 May - 01 Jun	KLM
07 May - 06 Jun	SWISS
22 May - 05 Jun	SWISS

Also check the deals for one-way flights from Rome 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 Rome to Bangkok in May from $560

Return flights