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

Return flights

08 Dec - 17 Dec	Air China
08 Dec - 24 Dec	Air China
01 Dec - 16 Jan	Air China
07 Dec - 18 Dec	Air China
10 Dec - 22 Dec	Air China
05 Dec - 21 Dec	Air China
31 Dec - 12 Jan	Air China
31 Dec - 15 Jan	Air China
07 Dec - 20 Dec	Air China
07 Dec - 22 Dec	Air China
01 Dec - 10 Dec	Air China
01 Dec - 14 Dec	Air China
03 Dec - 15 Dec	Air China
31 Dec - 21 Jan	Air China
31 Dec - 18 Jan	Air China
03 Dec - 22 Jan	Air China
08 Dec - 16 Jan	Air China
31 Dec - 16 Jan	Air China
31 Dec - 20 Jan	Air China
10 Dec - 19 Jan	Air China

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Rome to Bangkok in December from 421€

Return flights