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

Return flights

26 Jan - 16 Feb	Ryanair
28 Jan - 16 Feb	Ryanair
12 Jan - 12 Feb	Ryanair
19 Jan - 16 Feb	Ryanair
10 Jan - 29 Jan	Ryanair
30 Jan - 13 Feb	Ryanair
22 Jan - 28 Jan	Ryanair
22 Jan - 29 Jan	Ryanair
31 Jan - 07 Feb	Ryanair
01 Jan - 23 Jan	Ryanair
15 Jan - 01 Feb	Ryanair
12 Jan - 25 Jan	Ryanair
05 Jan - 19 Jan	Ryanair
11 Jan - 25 Jan	Ryanair
01 Jan - 31 Jan	Ryanair
11 Jan - 11 Feb	Ryanair
04 Jan - 03 Feb	Ryanair
13 Jan - 20 Jan	Ryanair
10 Jan - 24 Jan	Ryanair
21 Jan - 04 Feb	Ryanair

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

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 January from 881€

Return flights