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

Return flights

05 May - 12 May	Turkish Airlines
09 May - 18 May	Turkish Airlines
15 May - 15 Jun	Turkish Airlines
28 May - 13 Jun	Turkish Airlines
03 May - 12 May	Turkish Airlines
31 May - 09 Jun	Turkish Airlines
31 May - 14 Jun	Turkish Airlines
04 May - 11 May	Turkish Airlines
03 May - 18 May	Turkish Airlines
06 May - 19 May	Turkish Airlines
25 May - 05 Jun	Turkish Airlines
11 May - 16 May	Turkish Airlines
15 May - 30 May	Turkish Airlines
22 May - 25 May	Turkish Airlines
01 May - 08 May	Turkish Airlines
27 May - 05 Jun	Turkish Airlines
27 May - 06 Jun	Turkish Airlines
01 May - 01 Jun	Ryanair
31 May - 13 Jun	Ryanair
23 May - 02 Jun	Ryanair

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 $1012

Return flights