Cheapest one-way flights from London to Buenos Aires in April from $521

AirHint found the following cheapest one-way flights from London (STN) to Buenos Aires (AEP) in April 2026 (see full year).

One-Way flights

08 Apr Ryanair
16 Apr Ryanair
24 Apr Ryanair
23 Apr Ryanair
06 Apr Ryanair
30 Apr Emirates
09 Apr Emirates
02 Apr Emirates
27 Apr Emirates
29 Apr Emirates

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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