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

Return flights

16 Mar - 25 Mar	Lufthansa
12 Mar - 31 Mar	Lufthansa
17 Mar - 31 Mar	Lufthansa
09 Mar - 25 Mar	Lufthansa
12 Mar - 21 Mar	Lufthansa
12 Mar - 28 Mar	Lufthansa
02 Mar - 17 Mar	ITA Airways
24 Mar - 08 Apr	ITA Airways
13 Mar - 28 Mar	Lufthansa
16 Mar - 24 Mar	Lufthansa
15 Mar - 24 Mar	Lufthansa
12 Mar - 01 Apr	Lufthansa
30 Mar - 06 Apr	KLM
30 Mar - 09 Apr	KLM
26 Mar - 03 Apr	ITA Airways
24 Mar - 04 Apr	Lufthansa
12 Mar - 08 Apr	Lufthansa
18 Mar - 08 Apr	Lufthansa
18 Mar - 05 Apr	Lufthansa
30 Mar - 11 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 918€

Return flights