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

Return flights

09 Mar - 16 Mar	Avianca
11 Mar - 25 Mar	Avianca
08 Mar - 15 Mar	Avianca
10 Mar - 17 Mar	Avianca
08 Mar - 14 Mar	Avianca
16 Mar - 23 Mar	Avianca
09 Mar - 31 Mar	Avianca
08 Mar - 22 Mar	Avianca
18 Mar - 23 Mar	Avianca
16 Mar - 09 Apr	Avianca
23 Mar - 09 Apr	Avianca
09 Mar - 23 Mar	Avianca
30 Mar - 15 Apr	Avianca
30 Mar - 16 Apr	Avianca
27 Mar - 15 Apr	Air Canada
20 Mar - 06 Apr	Air Canada
19 Mar - 02 Apr	Air Canada
26 Mar - 13 Apr	Air Canada
12 Mar - 09 Apr	Iberia
25 Mar - 15 Apr	Air Canada

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from London to Buenos Aires in March from 759€

Return flights