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

Return flights

11 Apr - 21 Apr	easyJet
07 Apr - 15 Apr	easyJet
07 Apr - 16 May	easyJet
23 Apr - 04 May	Wizz Air UK
09 Apr - 20 Apr	Wizz Air UK
15 Apr - 28 Apr	easyJet
10 Apr - 20 Apr	easyJet
25 Apr - 04 May	Wizz Air UK
01 Apr - 22 Apr	Ryanair
05 Apr - 26 Apr	Ryanair
06 Apr - 27 Apr	easyJet
10 Apr - 02 May	easyJet
13 Apr - 22 Apr	easyJet
02 Apr - 09 Apr	Wizz Air UK
01 Apr - 01 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from London to Buenos Aires in April from $1441

Return flights