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

Return flights

08 Apr - 18 Apr	Wizz Air UK
08 Apr - 17 Apr	Wizz Air UK
12 Apr - 22 Apr	Wizz Air UK
02 Apr - 12 Apr	Wizz Air UK
12 Apr - 21 Apr	Wizz Air UK
09 Apr - 27 Apr	Ryanair
07 Apr - 15 Apr	Wizz Air UK
07 Apr - 21 Apr	Wizz Air UK
13 Apr - 27 Apr	Wizz Air UK
14 Apr - 29 Apr	Wizz Air UK
29 Apr - 13 May	Wizz Air UK
01 Apr - 01 May	easyJet
18 Apr - 02 May	Wizz Air UK
25 Apr - 02 May	Wizz Air UK
29 Apr - 12 May	easyJet
24 Apr - 10 May	easyJet
08 Apr - 28 May	easyJet
11 Apr - 03 May	Wizz Air UK
24 Apr - 03 May	Wizz Air UK
24 Apr - 04 May	easyJet

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 $1128

Return flights