Cheapest return flights from London to Buenos Aires in April from $1181

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

Return flights

17 Apr - 22 Apr LATAM Airlines Group
02 Apr - 16 Apr LATAM Airlines Group
01 Apr - 13 Apr LATAM Airlines Group
09 Apr - 25 Apr LATAM Airlines Group
24 Apr - 09 May LATAM Airlines Group
05 Apr - 18 Apr LATAM Airlines Group
03 Apr - 17 Apr LATAM Airlines Group
04 Apr - 11 Apr LATAM Airlines Group
07 Apr - 08 Apr TAP
03 Apr - 12 Apr British Airways

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

Skyscanner

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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