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

Return flights

19 May - 19 Jun	Air China
28 May - 15 Jun	SWISS
05 May - 26 May	SWISS
05 May - 20 May	SWISS
19 May - 26 May	SWISS
21 May - 09 Jun	SWISS
27 May - 10 Jun	SWISS
21 May - 02 Jun	SWISS
28 May - 10 Jun	SWISS
23 May - 02 Jun	SWISS
28 May - 12 Jun	SWISS
26 May - 08 Jun	SWISS
26 May - 07 Jun	Air China
06 May - 14 May	Air India
06 May - 13 May	Air India
02 May - 15 May	ITA Airways
01 May - 08 May	Air India
05 May - 12 May	Ryanair
12 May - 18 May	Etihad Airways
12 May - 20 May	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 432€

Return flights