AirHint found the following cheapest return flights from Rome (FCO) to Bangkok (BKK) in December 2025 (see full year).

Return flights

05 Dec - 23 Dec	Ryanair
01 Dec - 06 Dec	Oman Air
10 Dec - 16 Dec	Air China
03 Dec - 09 Dec	Air China
07 Dec - 24 Dec	Air China
01 Dec - 13 Dec	Oman Air
03 Dec - 15 Dec	Oman Air
07 Dec - 19 Dec	Kuwait Airways
01 Dec - 09 Dec	Oman Air
08 Dec - 23 Dec	Air China
09 Dec - 10 Jan	Pegasus Airlines
10 Dec - 30 Jan	Kuwait Airways
04 Dec - 29 Jan	ITA Airways
07 Dec - 18 Jan	Lufthansa
04 Dec - 20 Jan	Lufthansa
04 Dec - 24 Jan	Lufthansa
09 Dec - 17 Jan	Etihad Airways
10 Dec - 07 Jan	Wizz Air Malta
15 Dec - 16 Jan	Pegasus Airlines
14 Dec - 07 Jan	ITA Airways

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

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 December from 459€

Return flights