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

Return flights

03 Dec - 08 Dec	ITA Airways
04 Dec - 08 Dec	ITA Airways
02 Dec - 05 Dec	ITA Airways
03 Dec - 10 Dec	ITA Airways
01 Dec - 07 Dec	ITA Airways
09 Dec - 16 Dec	LATAM Airlines Group
07 Dec - 14 Dec	LATAM Airlines Group
06 Dec - 08 Dec	ITA Airways
11 Dec - 16 Dec	ITA Airways
04 Dec - 11 Dec	ITA Airways
23 Dec - 05 Jan	Thai AirAsia X
17 Dec - 02 Jan	Zipair
21 Dec - 05 Jan	Qatar Airways
24 Dec - 01 Jan	ITA Airways
23 Dec - 06 Jan	Qatar Airways
27 Dec - 05 Jan	Air Canada
28 Dec - 05 Jan	Air Canada
21 Dec - 04 Jan	Qatar Airways
31 Dec - 05 Jan	Qatar Airways
26 Dec - 06 Jan	ITA Airways

Also check the deals for one-way flights from Tokyo to Buenos Aires 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 Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Tokyo to Buenos Aires in December from $1329

Return flights