Cheapest return LON–AEP flights, May

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

Return flights

31 May - 23 Jun Avianca
31 May - 07 Jun Avianca
06 May - 13 May Ryanair
07 May - 07 Jun easyJet
15 May - 25 May Wizz Air UK
21 May - 06 Jun Avianca
08 May - 09 Jun Vueling Airlines
20 May - 12 Jun Ryanair
12 May - 19 May easyJet
05 May - 16 May Ryanair
29 May - 15 Jun LATAM Airlines Group
28 May - 13 Jun LATAM Airlines Group
23 May - 06 Jun Avianca
25 May - 08 Jun Wizz Air Malta
14 May - 28 May Ryanair
13 May - 25 May Ryanair
11 May - 25 May Ryanair
11 May - 20 May Ryanair
11 May - 18 May Avianca
08 May - 11 May Avianca

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

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