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

Return flights

16 Sep - 22 Sep	Saudia
15 Sep - 26 Sep	Saudia
03 Sep - 12 Oct	SWISS
10 Sep - 10 Oct	SWISS
02 Sep - 29 Oct	SWISS
10 Sep - 28 Sep	SWISS
17 Sep - 28 Sep	SWISS
10 Sep - 21 Sep	SWISS
08 Sep - 21 Sep	SWISS
10 Sep - 23 Sep	SWISS
16 Sep - 28 Sep	SWISS
17 Sep - 23 Sep	SWISS
07 Sep - 21 Sep	SWISS
03 Sep - 30 Oct	SWISS
29 Sep - 26 Oct	SWISS
29 Sep - 01 Oct	Saudia
16 Sep - 02 Oct	Gulf Air
20 Sep - 04 Oct	Etihad Airways
27 Sep - 21 Oct	Etihad Airways
27 Sep - 18 Oct	Etihad Airways

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

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 September from $479

Return flights