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

Return flights

16 Mar - 22 Mar	Air Europa
14 Mar - 18 Mar	Air Europa
13 Mar - 18 Mar	Air Europa
13 Mar - 20 Mar	Air Europa
15 Mar - 22 Mar	Air Europa
14 Mar - 22 Mar	Air Europa
13 Mar - 23 Mar	Air Europa
09 Mar - 16 Mar	Air Europa
09 Mar - 25 Mar	Air Europa
23 Mar - 28 Apr	Air Europa
06 Mar - 20 Mar	Air Europa
25 Mar - 15 Apr	Air Europa
20 Mar - 06 Apr	Iberia
18 Mar - 05 Apr	Air Europa
25 Mar - 08 Apr	Air Europa
18 Mar - 08 Apr	Air Europa
19 Mar - 09 Apr	Air Europa
09 Mar - 03 Apr	Air Europa
20 Mar - 04 Apr	Air Europa
12 Mar - 08 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 778€

Return flights