Cheapest return flights from London to Buenos Aires in May from $1143

Best time to book flights for London (LHR) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Buenos Aires (AEP) in May 2025 (see full year).

Return flights

19 May - 16 Jun LATAM Airlines Group
11 May - 08 Jun LATAM Airlines Group
10 May - 08 Jun LATAM Airlines Group
18 May - 24 May LATAM Airlines Group
10 May - 24 May LATAM Airlines Group
27 May - 05 Jun LATAM Airlines Group
26 May - 10 Jun LATAM Airlines Group
16 May - 03 Jun LATAM Airlines Group
14 May - 24 May LATAM Airlines Group
20 May - 05 Jun SWISS
12 May - 29 May LATAM Airlines Group
01 May - 08 Jun LATAM Airlines Group
15 May - 29 May LATAM Airlines Group
21 May - 29 May LATAM Airlines Group
28 May - 12 Jun LATAM Airlines Group
13 May - 26 May LATAM Airlines Group
16 May - 23 May LATAM Airlines Group
19 May - 26 May LATAM Airlines Group
12 May - 26 May LATAM Airlines Group
08 May - 05 Jun 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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