Cheapest return flights from London to Buenos Aires in December from 1072€

Best time to book flights for London (STN) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from London (STN) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

03 Dec - 13 Dec Ryanair
11 Dec - 17 Dec Ryanair
12 Dec - 23 Jan Ryanair
13 Dec - 23 Jan Ryanair
05 Dec - 20 Dec Ryanair
06 Dec - 20 Dec Ryanair
03 Dec - 12 Dec Ryanair
10 Dec - 18 Dec Ryanair
13 Dec - 27 Dec Ryanair
11 Dec - 09 Jan Ryanair
12 Dec - 19 Dec Ryanair
12 Dec - 09 Jan Ryanair
18 Dec - 15 Jan Ryanair
10 Dec - 30 Dec Ryanair
23 Dec - 23 Jan easyJet
26 Dec - 16 Jan Ryanair
26 Dec - 17 Jan Ryanair
11 Dec - 08 Jan Ryanair
14 Dec - 29 Dec Ryanair
14 Dec - 02 Jan Ryanair

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

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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