AirHint found the following cheapest return flights from London (LCY) to Buenos Aires (EZE) in June 2025 (see full year).

Return flights

17 Jun - 02 Jul	KLM
19 Jun - 26 Jun	Lufthansa
20 Jun - 22 Jun	KLM
17 Jun - 21 Jun	SWISS
16 Jun - 30 Jun	KLM
22 Jun - 29 Jun	KLM
18 Jun - 13 Jul	Lufthansa
18 Jun - 27 Jun	ITA Airways
30 Jun - 13 Jul	Lufthansa
28 Jun - 08 Jul	KLM
29 Jun - 07 Jul	KLM
29 Jun - 13 Jul	Lufthansa
28 Jun - 15 Jul	KLM
30 Jun - 05 Jul	Delta

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 $1182

Return flights