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

Return flights

18 Mar - 24 Mar	ITA Airways
16 Mar - 24 Mar	ITA Airways
12 Mar - 27 Mar	ITA Airways
10 Mar - 24 Mar	ITA Airways
02 Mar - 17 Mar	ITA Airways
03 Mar - 10 Mar	ITA Airways
05 Mar - 17 Mar	ITA Airways
07 Mar - 13 Mar	ITA Airways
21 Mar - 26 Mar	ITA Airways
18 Mar - 01 Apr	ITA Airways
23 Mar - 22 Apr	ITA Airways
02 Mar - 18 Mar	ITA Airways
25 Mar - 08 Apr	ITA Airways
16 Mar - 08 Apr	ITA Airways
27 Mar - 13 Apr	ITA Airways
19 Mar - 05 Apr	ITA Airways
19 Mar - 06 Apr	ITA Airways
29 Mar - 08 Apr	ITA Airways
21 Mar - 04 Apr	ITA Airways
19 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 817€

Return flights