AirHint found the following cheapest one-way flights from London (LHR) to Buenos Aires (AEP) in May 2026 (see full year).
One-Way flights
| 28 May | Iberia | ||
| 04 May | SWISS | ||
| 07 May | LATAM Airlines Group | ||
| 03 May | TAP | ||
| 05 May | Air Canada | ||
| 06 May | Air Canada | ||
| 08 May | Air Canada | ||
| 09 May | British Airways | ||
| 16 May | British Airways | ||
| 10 May | British Airways |
Also check the deals for return flights from London to Buenos Aires in May.
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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