Cheapest return flights from London to Buenos Aires in May from 887€

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

Return flights

14 May - 18 May Avianca
06 May - 20 May Avianca
28 May - 31 May Avianca
16 May - 23 May British Airways
09 May - 23 May British Airways
28 May - 06 Jun LATAM Airlines Group
01 May - 23 May LATAM Airlines Group
01 May - 31 May LATAM Airlines Group
05 May - 02 Jun LATAM Airlines Group
01 May - 20 May LATAM Airlines Group
01 May - 14 May LATAM Airlines Group

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

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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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