Cheapest return flights from London to Buenos Aires in March from £759

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

Return flights

08 Mar - 17 Mar Ryanair
04 Mar - 11 Mar Ryanair
03 Mar - 10 Mar Ryanair
08 Mar - 24 Mar Ryanair
10 Mar - 16 Mar Ryanair
02 Mar - 16 Mar Ryanair
02 Mar - 14 Mar Ryanair
06 Mar - 20 Mar Ryanair
05 Mar - 20 Mar Ryanair
07 Mar - 14 Mar Ryanair
24 Mar - 11 Apr Ryanair
26 Mar - 10 Apr Jet2
26 Mar - 11 Apr Ryanair

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

Skyscanner

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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