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

Return flights

01 Mar - 15 Mar	Wizz Air Malta
02 Mar - 13 Mar	easyJet
02 Mar - 12 Mar	easyJet
13 Mar - 22 Mar	easyJet
18 Mar - 27 Mar	easyJet
19 Mar - 26 Mar	easyJet
12 Mar - 22 Mar	easyJet
02 Mar - 30 Mar	easyJet
11 Mar - 20 Mar	Wizz Air Malta
02 Mar - 23 Mar	easyJet
23 Mar - 16 Apr	easyJet
23 Mar - 28 Apr	easyJet
25 Mar - 23 Apr	easyJet
28 Mar - 19 Apr	Wizz Air Malta
24 Mar - 03 Apr	easyJet
05 Mar - 01 Apr	easyJet
20 Mar - 09 Apr	easyJet
25 Mar - 08 Apr	easyJet
23 Mar - 09 Apr	easyJet
31 Mar - 30 Apr	easyJet

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 $1094

Return flights