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

Return flights

20 Mar - 05 Apr	ITA Airways
09 Mar - 23 Mar	ITA Airways
11 Mar - 18 Mar	British Airways
12 Mar - 22 Mar	ITA Airways
04 Mar - 11 Mar	British Airways
09 Mar - 16 Mar	Iberia
02 Mar - 17 Mar	Iberia
05 Mar - 15 Mar	Iberia
16 Mar - 25 Mar	ITA Airways
02 Mar - 15 Mar	Iberia
11 Mar - 25 Mar	Iberia
25 Mar - 01 Apr	KLM
27 Mar - 09 Apr	ITA Airways
24 Mar - 10 Apr	ITA Airways
14 Mar - 05 Apr	ITA Airways
21 Mar - 02 Apr	ITA Airways
21 Mar - 05 Apr	ITA Airways
25 Mar - 15 Apr	KLM
28 Mar - 05 Apr	ITA Airways
28 Mar - 12 Apr	ITA Airways

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

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 March from 1007€

Return flights