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

Return flights

22 May - 26 May	Air Europa
12 May - 21 May	Turkish Airlines
25 May - 01 Jun	Air France
28 May - 11 Jun	easyJet
30 May - 08 Jun	Turkish Airlines
16 May - 25 May	British Airways
08 May - 18 May	Turkish Airlines
05 May - 21 May	Vueling Airlines
04 May - 11 May	Turkish Airlines
24 May - 03 Jun	Air France
20 May - 03 Jun	easyJet
30 May - 09 Jun	Turkish Airlines
30 May - 02 Jun	Air Europa
05 May - 23 May	Vueling Airlines
30 May - 03 Jun	Air Europa
02 May - 11 May	Turkish Airlines
19 May - 19 Jun	LEVEL
04 May - 28 May	Air Europa
13 May - 20 May	Air Europa
25 May - 05 Jun	British Airways

Also check the deals for one-way flights from London to Buenos Aires 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 London to Buenos Aires in May from 844€

Return flights