Cheapest return flights from London to Buenos Aires in March from $1015

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

Return flights

03 Mar - 16 Mar Ryanair
17 Mar - 31 Mar LATAM Airlines Group
09 Mar - 27 Mar LATAM Airlines Group
11 Mar - 18 Mar LATAM Airlines Group
02 Mar - 16 Mar LATAM Airlines Group
10 Mar - 31 Mar LATAM Airlines Group
11 Mar - 31 Mar LATAM Airlines Group
09 Mar - 30 Mar LATAM Airlines Group
23 Mar - 28 Apr LATAM Airlines Group
18 Mar - 07 Apr LATAM Airlines Group
18 Mar - 04 Apr LATAM Airlines Group
09 Mar - 08 Apr LATAM Airlines Group
05 Mar - 26 Mar LATAM Airlines Group
12 Mar - 17 Mar LATAM Airlines Group
20 Mar - 06 Apr LATAM Airlines Group
19 Mar - 08 Apr LATAM Airlines Group
06 Mar - 05 Apr LATAM Airlines Group
19 Mar - 05 Apr LATAM Airlines Group
24 Mar - 01 Apr LATAM Airlines Group
11 Mar - 01 Apr LATAM Airlines Group

Also check the deals for one-way flights from London to Buenos Aires in March.

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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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