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

Return flights

08 Mar - 22 Mar	Vueling Airlines
09 Mar - 15 Mar	Wizz Air UK
04 Mar - 11 Mar	Wizz Air UK
04 Mar - 18 Mar	Wizz Air UK
14 Mar - 23 Mar	TAP
13 Mar - 23 Mar	TAP
05 Mar - 12 Mar	Air Europa
08 Mar - 17 Mar	Air Europa
09 Mar - 19 Mar	easyJet
05 Mar - 24 Mar	Air Europa
21 Mar - 04 Apr	TAP
29 Mar - 13 Apr	Vueling Airlines
23 Mar - 28 Apr	TAP
19 Mar - 12 Apr	Vueling Airlines
30 Mar - 13 Apr	easyJet
31 Mar - 13 Apr	Vueling Airlines
23 Mar - 02 Apr	TAP
19 Mar - 02 Apr	TAP
30 Mar - 27 Apr	easyJet
26 Mar - 13 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 785€

Return flights