Cheapest return flights from London to Buenos Aires in May from 897€

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

Return flights

02 May - 11 May Avianca
16 May - 29 May Avianca
18 May - 25 May Avianca
07 May - 14 May Avianca
04 May - 18 May Avianca
01 May - 11 May Air Canada
01 May - 29 May LATAM Airlines Group
01 May - 18 May Avianca
08 May - 15 May LATAM Airlines Group
29 May - 05 Jun United
02 May - 09 May KLM

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

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.