AirHint found the following cheapest one-way flights from London (LON) to Buenos Aires (AEP) in April 2026 (see full year).
One-Way flights
| 23 Apr | Ryanair | ||
| 27 Apr | Wizz Air UK | ||
| 28 Apr | Ryanair | ||
| 15 Apr | Wizz Air UK | ||
| 14 Apr | Ryanair | ||
| 13 Apr | Ryanair | ||
| 10 Apr | Ryanair | ||
| 24 Apr | Wizz Air UK | ||
| 02 Apr | Wizz Air UK | ||
| 06 Apr | Ryanair |
Also check the deals for return flights from London to Buenos Aires in April.
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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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