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

Return flights

15 Apr - 28 Apr	Air Canada
20 Apr - 08 May	Air Canada
29 Apr - 06 May	Air Canada
06 Apr - 13 Apr	Air Canada
23 Apr - 10 May	Air Canada
30 Apr - 10 May	Air Canada
04 Apr - 22 Apr	Air Canada
16 Apr - 28 Apr	Air Canada
16 Apr - 05 May	Air Canada
18 Apr - 03 May	Air Canada
16 Apr - 03 May	Air Canada
18 Apr - 01 May	Air Canada
11 Apr - 01 May	Air Canada
17 Apr - 03 May	LATAM Airlines Group
06 Apr - 19 Apr	Air Canada
15 Apr - 25 Apr	SWISS
14 Apr - 28 Apr	Iberia
14 Apr - 29 Apr	Lufthansa
01 Apr - 18 Apr	Lufthansa
05 Apr - 20 Apr	Iberia

Also check the deals for one-way flights from Buenos Aires to London 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 Buenos Aires to London in April from 925€

Return flights