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

Return flights

10 Mar - 25 Mar	SWISS
04 Mar - 13 Mar	ITA Airways
10 Mar - 16 Mar	ITA Airways
02 Mar - 22 Mar	ITA Airways
02 Mar - 12 Mar	ITA Airways
13 Mar - 18 Mar	SWISS
15 Mar - 24 Mar	ITA Airways
05 Mar - 12 Mar	ITA Airways
19 Mar - 24 Mar	ITA Airways
03 Mar - 17 Mar	ITA Airways
30 Mar - 08 Apr	ITA Airways
20 Mar - 08 Apr	SWISS
26 Mar - 04 Apr	ITA Airways
16 Mar - 01 Apr	ITA Airways
26 Mar - 07 Apr	ITA Airways
24 Mar - 03 Apr	ITA Airways
31 Mar - 15 Apr	SWISS
30 Mar - 09 Apr	ITA Airways
24 Mar - 14 Apr	Delta
23 Mar - 14 Apr	Delta

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 $1086

Return flights