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

Return flights

05 Mar - 16 Mar	Air Europa
03 Mar - 10 Mar	Air Europa
04 Mar - 11 Mar	Iberia
23 Mar - 09 Apr	Iberia
16 Mar - 09 Apr	Iberia
09 Mar - 19 Mar	Iberia
09 Mar - 16 Mar	Iberia
04 Mar - 17 Mar	Iberia
10 Mar - 19 Mar	Iberia
20 Mar - 06 Apr	Iberia
16 Mar - 22 Mar	Iberia
05 Mar - 24 Mar	LATAM Airlines Group
09 Mar - 12 Mar	Air Europa
25 Mar - 06 Apr	Iberia
22 Mar - 05 Apr	Air Europa
24 Mar - 12 Apr	Air Europa
26 Mar - 05 Apr	Air Europa
20 Mar - 11 Apr	Air Europa
26 Mar - 03 Apr	Air Europa
25 Mar - 05 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 911€

Return flights