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

Return flights

19 May - 28 May	Air China
19 May - 24 May	Air China
19 May - 25 May	SWISS
23 May - 02 Jun	SWISS
29 May - 08 Jun	SWISS
19 May - 01 Jun	SWISS
06 May - 19 May	SWISS
07 May - 20 May	SWISS
06 May - 28 May	SWISS
07 May - 29 May	SWISS
12 May - 19 May	SWISS
07 May - 18 May	SWISS
07 May - 19 May	SWISS
05 May - 25 Jun	SWISS
28 May - 11 Jun	SWISS
29 May - 07 Jun	SWISS
05 May - 01 Jun	SWISS
15 May - 28 Jun	Austrian Airlines
19 May - 04 Jun	SWISS
31 May - 12 Jun	Etihad Airways

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Rome to Bangkok in May from 433€

Return flights