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

Return flights

02 Dec - 09 Dec	easyJet
04 Dec - 16 Dec	Wizz Air Malta
02 Dec - 14 Dec	easyJet
05 Dec - 12 Dec	easyJet
04 Dec - 18 Dec	easyJet
01 Dec - 11 Dec	Ryanair
06 Dec - 14 Dec	Ryanair
04 Dec - 17 Dec	Wizz Air Malta
08 Dec - 09 Dec	easyJet
01 Dec - 14 Dec	easyJet
03 Dec - 29 Jan	easyJet
29 Dec - 24 Jan	Wizz Air Malta
11 Dec - 24 Jan	easyJet
31 Dec - 28 Jan	Wizz Air Malta
12 Dec - 24 Jan	easyJet
30 Dec - 17 Jan	easyJet
23 Dec - 24 Jan	Wizz Air Malta
07 Dec - 17 Jan	easyJet
27 Dec - 13 Jan	Wizz Air Malta
31 Dec - 21 Jan	easyJet

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

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 December from 851€

Return flights