Cheapest one-way flights from London to Buenos Aires in March from $723

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

One-Way flights

20 Mar British Airways
09 Mar SWISS
17 Mar SWISS
16 Mar British Airways
02 Mar British Airways
23 Mar British Airways
13 Mar Aerolíneas Argentinas
14 Mar Aerolíneas Argentinas
24 Mar SWISS
10 Mar SWISS

Also check the deals for return flights from London to Buenos Aires in March.

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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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