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

Return flights

02 Dec - 06 Dec	ITA Airways
03 Dec - 09 Dec	ITA Airways
04 Dec - 07 Dec	ITA Airways
01 Dec - 08 Dec	ITA Airways
05 Dec - 10 Dec	ITA Airways
05 Dec - 23 Dec	WestJet
04 Dec - 22 Dec	ITA Airways
07 Dec - 17 Dec	WestJet
04 Dec - 23 Dec	WestJet
05 Dec - 15 Dec	ITA Airways
20 Dec - 11 Jan	Qatar Airways
17 Dec - 06 Jan	Qatar Airways
19 Dec - 14 Jan	Qatar Airways
26 Dec - 05 Jan	Peach
27 Dec - 03 Jan	Air Canada
26 Dec - 03 Jan	Air Canada
25 Dec - 07 Jan	ITA Airways
23 Dec - 02 Jan	Qatar Airways
19 Dec - 01 Jan	Qatar Airways
20 Dec - 04 Jan	Qatar 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.

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Cheapest return flights from Tokyo to Buenos Aires in December from $1266

Return flights