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

Return flights

12 May - 22 May	Wizz Air UK
11 May - 23 May	Wizz Air UK
11 May - 19 May	Wizz Air UK
06 May - 13 May	Wizz Air UK
13 May - 20 May	Wizz Air UK
04 May - 11 May	Wizz Air UK
09 May - 20 May	Ryanair
02 May - 11 May	Wizz Air UK
01 May - 12 May	easyJet
12 May - 02 Jun	Wizz Air UK
11 May - 22 May	easyJet
15 May - 07 Jun	Wizz Air UK
01 May - 01 Jun	easyJet
21 May - 01 Jun	easyJet
28 May - 07 Jun	easyJet
28 May - 06 Jun	easyJet
31 May - 06 Jun	easyJet

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 $1152

Return flights