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

Return flights

01 Dec - 04 Dec	Ryanair
13 Dec - 25 Dec	Ryanair
12 Dec - 06 Jan	Ryanair
12 Dec - 08 Jan	Ryanair
13 Dec - 02 Jan	Ryanair
17 Dec - 29 Dec	Ryanair
13 Dec - 05 Jan	Ryanair
27 Dec - 10 Jan	Ryanair
27 Dec - 09 Jan	Ryanair
27 Dec - 08 Jan	Ryanair
27 Dec - 06 Jan	Ryanair
20 Dec - 05 Jan	Ryanair

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 589€

Return flights