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

Return flights

15 Apr - 28 Apr	Turkish Airlines
17 Apr - 26 Apr	Turkish Airlines
23 Apr - 14 May	Ryanair
18 Apr - 25 Apr	Turkish Airlines
25 Apr - 09 May	Turkish Airlines
13 Apr - 19 Apr	Turkish Airlines
15 Apr - 24 Apr	Turkish Airlines
16 Apr - 23 Apr	Turkish Airlines
13 Apr - 23 Apr	Turkish Airlines
15 Apr - 06 May	Turkish Airlines
13 Apr - 20 Apr	Turkish Airlines
02 Apr - 13 Apr	Ryanair
30 Apr - 10 May	Turkish Airlines
12 Apr - 14 Apr	Ryanair
24 Apr - 03 May	Turkish Airlines
30 Apr - 30 May	Turkish Airlines
26 Apr - 02 May	Turkish Airlines
25 Apr - 02 May	Ryanair
29 Apr - 04 May	Turkish Airlines
27 Apr - 31 May	Ryanair

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

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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Cheapest return flights from London to Buenos Aires in April from 875€

Return flights