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

Return flights

04 Mar - 17 Mar	Wizz Air Malta
13 Mar - 26 Mar	Wizz Air Malta
16 Mar - 19 Mar	easyJet
17 Mar - 31 Mar	Wizz Air Malta
04 Mar - 18 Mar	easyJet
20 Mar - 30 Mar	Ryanair
03 Mar - 16 Mar	easyJet
05 Mar - 18 Mar	easyJet
18 Mar - 25 Mar	easyJet
17 Mar - 24 Mar	easyJet
31 Mar - 17 Apr	Wizz Air UK
19 Mar - 02 Apr	easyJet
25 Mar - 01 Apr	Wizz Air Malta
30 Mar - 17 Apr	Wizz Air UK
21 Mar - 09 Apr	easyJet
20 Mar - 11 Apr	easyJet
27 Mar - 06 Apr	Wizz Air Malta
27 Mar - 19 Apr	Wizz Air Malta
26 Mar - 13 Apr	easyJet
27 Mar - 10 Apr	Wizz Air Malta

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 877€

Return flights