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

Return flights

30 Dec - 16 Jan	LATAM Airlines Group
03 Dec - 31 Dec	Qatar Airways
05 Dec - 28 Dec	Qatar Airways
01 Dec - 01 Jan	Qatar Airways
24 Dec - 07 Jan	Qatar Airways
13 Dec - 18 Jan	Qatar Airways
09 Dec - 12 Jan	Qatar Airways
11 Dec - 21 Dec	Qatar Airways
12 Dec - 22 Dec	Qatar Airways
13 Dec - 17 Jan	Qatar Airways
27 Dec - 23 Jan	Qatar Airways
27 Dec - 27 Jan	Qatar Airways
31 Dec - 18 Jan	Qatar Airways
29 Dec - 18 Jan	Qatar Airways
13 Dec - 24 Dec	Qatar Airways

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 1828€

Return flights