Cheapest return flights from London to Buenos Aires in May from $1009

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

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

Return flights

06 May - 10 Jun Ryanair
12 May - 26 May ITA Airways
07 May - 23 Jun Ryanair
19 May - 09 Jun Ryanair
15 May - 03 Jun Ryanair
08 May - 22 May TAP
13 May - 22 May SWISS
19 May - 27 May LATAM Airlines Group
14 May - 22 May Ryanair
14 May - 27 May TAP
06 May - 20 May Ryanair
12 May - 22 May LATAM Airlines Group
15 May - 19 May Ryanair
18 May - 03 Jun Ryanair
12 May - 27 May TAP
01 May - 01 Jun Ryanair
23 May - 06 Jun LATAM Airlines Group
29 May - 15 Jun LATAM Airlines Group
26 May - 02 Jun LATAM Airlines Group
30 May - 08 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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