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

Return flights

01 Dec - 01 Jan	Air Canada
23 Dec - 29 Jan	LATAM Airlines Group
30 Dec - 28 Jan	Aerolineas Argentinas
10 Dec - 17 Dec	LATAM Airlines Group
30 Dec - 18 Jan	LATAM Airlines Group
27 Dec - 03 Jan	LATAM Airlines Group
25 Dec - 25 Jan	Qatar Airways
26 Dec - 24 Jan	Qatar Airways
25 Dec - 17 Jan	Qatar Airways
29 Dec - 14 Jan	LATAM Airlines Group
11 Dec - 20 Dec	Qatar Airways
25 Dec - 26 Jan	Qatar Airways
10 Dec - 24 Dec	Qatar Airways
04 Dec - 29 Dec	Qatar Airways
06 Dec - 22 Dec	KLM

Also check the deals for one-way flights from Buenos Aires to Tokyo 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 Tokyo in December from 1515€

Return flights