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

Return flights

12 Apr - 26 Apr	KLM
08 Apr - 26 Apr	KLM
13 Apr - 03 May	ITA Airways
14 Apr - 12 May	KLM
28 Apr - 06 May	ITA Airways
30 Apr - 15 May	KLM
14 Apr - 26 Apr	KLM
12 Apr - 21 Apr	ITA Airways
16 Apr - 26 Apr	KLM
15 Apr - 28 Apr	ITA Airways
20 Apr - 28 Apr	ITA Airways
06 Apr - 20 Apr	Lufthansa
17 Apr - 19 Apr	Lufthansa
09 Apr - 22 Apr	ITA Airways
19 Apr - 21 May	KLM
24 Apr - 03 May	ITA Airways
27 Apr - 16 May	Lufthansa
24 Apr - 04 May	Lufthansa
19 Apr - 03 May	ITA Airways
24 Apr - 08 May	ITA Airways

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from London to Buenos Aires in April from 968€

Return flights