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

Return flights

27 Apr - 07 May	Avianca
22 Apr - 07 May	Avianca
19 Apr - 21 May	Air Canada
27 Apr - 06 May	Air Canada
13 Apr - 04 May	Turkish Airlines
29 Apr - 08 May	Turkish Airlines
09 Apr - 23 Apr	Lufthansa
17 Apr - 23 Apr	Lufthansa
23 Apr - 08 May	Turkish Airlines
29 Apr - 04 May	Air Canada
13 Apr - 22 Apr	Turkish Airlines
19 Apr - 27 Apr	Air Canada
22 Apr - 27 Apr	Air Canada
23 Apr - 12 May	Lufthansa
14 Apr - 21 Apr	United
24 Apr - 27 Apr	Turkish Airlines
07 Apr - 21 Apr	SWISS
24 Apr - 03 May	Turkish Airlines
22 Apr - 28 Apr	Lufthansa
20 Apr - 28 Apr	Lufthansa

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 $902

Return flights