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

Return flights

22 Dec - 29 Dec	Aerolineas Argentinas
10 Dec - 13 Dec	Qatar Airways
25 Dec - 04 Jan	Aerolineas Argentinas
26 Dec - 20 Jan	Qatar Airways
26 Dec - 18 Jan	Qatar Airways
26 Dec - 17 Jan	Qatar Airways
20 Dec - 10 Jan	Qatar Airways
06 Dec - 06 Jan	Air France

Also check the deals for one-way flights from Buenos Aires 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 Buenos Aires to Bangkok in December from $2287

Return flights