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

Return flights

03 Mar - 10 Mar	Iberia
03 Mar - 17 Mar	Iberia
14 Mar - 23 Mar	Iberia
09 Mar - 17 Mar	Iberia
10 Mar - 17 Mar	Iberia
14 Mar - 19 Mar	Iberia For Level
08 Mar - 22 Mar	Air Europa
10 Mar - 19 Mar	Air Europa
10 Mar - 31 Mar	Air Europa
05 Mar - 16 Mar	Air Europa
17 Mar - 09 Apr	Iberia
17 Mar - 08 Apr	Air Europa
13 Mar - 01 Apr	Air Europa
18 Mar - 09 Apr	Air Europa
24 Mar - 10 Apr	Iberia
21 Mar - 03 Apr	Air Europa
27 Mar - 11 Apr	Air Europa
27 Mar - 12 Apr	Air Europa
26 Mar - 11 Apr	Air Europa
28 Mar - 12 Apr	Air Europa

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 867€

Return flights