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

Return flights

02 Mar - 16 Mar	Wizz Air Malta
05 Mar - 22 Mar	Wizz Air Malta
08 Mar - 22 Mar	Wizz Air Malta
09 Mar - 22 Mar	easyJet
02 Mar - 12 Mar	easyJet
09 Mar - 15 Mar	Ryanair
04 Mar - 15 Mar	easyJet
12 Mar - 30 Mar	easyJet
02 Mar - 22 Mar	easyJet
19 Mar - 24 Mar	easyJet
16 Mar - 08 Apr	easyJet
27 Mar - 15 Apr	easyJet
16 Mar - 16 Apr	easyJet
22 Mar - 08 Apr	easyJet
26 Mar - 15 Apr	easyJet
24 Mar - 07 Apr	easyJet
09 Mar - 01 Apr	easyJet
23 Mar - 21 Apr	easyJet
26 Mar - 13 Apr	easyJet
23 Mar - 07 Apr	Ryanair

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 902€

Return flights