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

Return flights

11 May - 17 May	Air Canada
04 May - 23 Jun	Air Canada
04 May - 20 May	Air Canada
16 May - 27 May	Air Canada
14 May - 24 May	Air Canada
14 May - 29 May	Air Canada
02 May - 13 May	Air Canada
02 May - 12 May	Air Canada
09 May - 24 May	Air Canada
05 May - 20 May	Boliviana de Aviacion
02 May - 22 May	Air Canada
25 May - 07 Jun	Air Canada
23 May - 07 Jun	Air Canada
19 May - 03 Jun	British Airways
24 May - 12 Jun	British Airways
20 May - 06 Jun	British Airways
22 May - 04 Jun	British Airways
21 May - 04 Jun	British Airways
18 May - 09 Jun	British Airways
19 May - 01 Jun	British Airways

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

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 May from 944€

Return flights