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

Return flights

14 May - 26 May	Air Canada
06 May - 12 May	Air Canada
13 May - 20 May	Air Canada
11 May - 24 May	Air Canada
14 May - 20 May	Air Canada
18 May - 25 May	Air Canada
24 May - 08 Jun	Ethiopian Airlines
11 May - 31 May	Air Canada
04 May - 14 May	Air Canada
07 May - 24 May	Air Canada
07 May - 26 May	Air Canada
28 May - 22 Jun	Avianca
10 May - 04 Jun	Avianca
26 May - 10 Jun	Avianca
19 May - 16 Jun	Avianca
26 May - 16 Jun	Avianca
27 May - 20 Jun	Avianca
08 May - 14 Jun	Avianca
27 May - 12 Jun	Avianca
31 May - 11 Jun	Lufthansa

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Buenos Aires to London in May from 778€

Return flights