AirHint found the following cheapest return flights from London (LHR) to Buenos Aires (AEP) in June 2026 (see full year).

Return flights

10 Jun - 24 Jun	LATAM Airlines Group
05 Jun - 13 Jun	LATAM Airlines Group
06 Jun - 20 Jun	LATAM Airlines Group
15 Jun - 25 Jun	LATAM Airlines Group
11 Jun - 25 Jun	LATAM Airlines Group
25 Jun - 11 Jul	LATAM Airlines Group
17 Jun - 27 Jun	LATAM Airlines Group
03 Jun - 16 Jun	Turkish Airlines

Also check the deals for one-way flights from London to Buenos Aires in June.

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 London to Buenos Aires in June from 976€

Return flights