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

Return flights

01 Dec - 11 Dec	Oman Air
01 Dec - 07 Dec	Oman Air
03 Dec - 11 Dec	Oman Air
01 Dec - 22 Dec	Oman Air
01 Dec - 14 Dec	Oman Air
08 Dec - 16 Dec	Oman Air
07 Dec - 28 Dec	Austrian Airlines
03 Dec - 15 Dec	Austrian Airlines
01 Dec - 09 Dec	Oman Air
08 Dec - 28 Jan	Oman Air
01 Dec - 15 Dec	Air China
05 Dec - 29 Jan	Oman Air
10 Dec - 15 Jan	Etihad Airways
10 Dec - 13 Jan	Etihad Airways
04 Dec - 29 Jan	Etihad Airways
10 Dec - 08 Jan	Etihad Airways
11 Dec - 11 Jan	Etihad Airways
09 Dec - 08 Jan	Etihad Airways
15 Dec - 20 Jan	Etihad Airways
12 Dec - 08 Jan	Etihad 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 $545

Return flights