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

Return flights

31 Dec - 18 Jan	AJet
31 Dec - 17 Jan	AJet
31 Dec - 13 Jan	AJet
31 Dec - 28 Jan	AJet
29 Dec - 23 Jan	Wizz Air Malta
31 Dec - 19 Jan	AJet
29 Dec - 21 Jan	Wizz Air Malta
31 Dec - 29 Jan	AJet
31 Dec - 26 Jan	AJet
16 Dec - 20 Dec	Ryanair
16 Dec - 29 Dec	Ryanair
16 Dec - 22 Jan	Ryanair
17 Dec - 24 Dec	Wizz Air Malta
16 Dec - 24 Dec	Ryanair
18 Dec - 25 Dec	Qatar Airways
22 Dec - 28 Dec	Etihad Airways
22 Dec - 26 Dec	Etihad Airways
23 Dec - 30 Dec	Etihad Airways
18 Dec - 27 Dec	Wizz Air Malta
16 Dec - 23 Dec	Qatar 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 $681

Return flights