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

Return flights

02 Apr - 08 Apr	ITA Airways
16 Apr - 25 Apr	ITA Airways
08 Apr - 18 Apr	ITA Airways
09 Apr - 25 Apr	ITA Airways
17 Apr - 21 Apr	ITA Airways
07 Apr - 21 Apr	ITA Airways
17 Apr - 22 Apr	ITA Airways
08 Apr - 22 Apr	ITA Airways
08 Apr - 29 Apr	ITA Airways
02 Apr - 11 Apr	ITA Airways
17 Apr - 06 May	ITA Airways
24 Apr - 04 May	Lufthansa
29 Apr - 20 May	British Airways
22 Apr - 15 May	ITA Airways
22 Apr - 17 May	ITA Airways
23 Apr - 15 May	KLM
24 Apr - 03 May	ITA Airways
23 Apr - 17 May	KLM
23 Apr - 16 May	ITA Airways
25 Apr - 02 May	KLM

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

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 April from $1236

Return flights