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

Return flights

11 May - 27 May	Air Canada
14 May - 27 May	Air Canada
18 May - 31 May	Air Canada
07 May - 26 May	Air Canada
09 May - 24 May	Air Canada
21 May - 31 May	Air Canada
06 May - 13 May	Air Canada
06 May - 19 May	Air Canada
22 May - 14 Jun	LATAM Airlines Group
01 May - 19 May	LATAM Airlines Group
18 May - 02 Jun	Air Canada
25 May - 12 Jun	Air Canada
18 May - 05 Jun	Air Canada
07 May - 22 May	Air Canada
24 May - 09 Jun	British Airways
15 May - 22 Jun	British Airways
31 May - 19 Jun	Iberia
29 May - 10 Jun	Iberia
29 May - 13 Jun	Iberia
19 May - 03 Jun	Iberia

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 $1089

Return flights