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

Return flights

08 Jun - 18 Jun	SWISS
08 Jun - 17 Jun	SWISS
12 Jun - 21 Jun	SWISS
12 Jun - 22 Jun	SWISS
18 Jun - 27 Jun	SWISS
18 Jun - 28 Jun	SWISS
16 Jun - 27 Jun	SWISS
11 Jun - 20 Jun	SWISS
05 Jun - 01 Jul	SWISS
18 Jun - 29 Jun	Iberia
05 Jun - 04 Jul	SWISS
03 Jun - 19 Jun	Iberia
24 Jun - 04 Jul	SWISS
07 Jun - 06 Jul	Iberia
05 Jun - 02 Jul	Air Dolomiti

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 $1273

Return flights