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

Return flights

03 Dec - 05 Dec	easyJet
01 Dec - 07 Dec	Wizz Air Malta
01 Dec - 15 Dec	Wizz Air Malta
06 Dec - 08 Dec	easyJet
04 Dec - 11 Dec	easyJet
05 Dec - 30 Jan	easyJet
01 Dec - 21 Dec	Wizz Air Malta
03 Dec - 23 Dec	easyJet
07 Dec - 17 Jan	easyJet
03 Dec - 12 Dec	easyJet
04 Dec - 17 Dec	easyJet
05 Dec - 21 Dec	easyJet
28 Dec - 31 Jan	easyJet
26 Dec - 24 Jan	Ryanair
26 Dec - 16 Jan	Ryanair
07 Dec - 10 Jan	easyJet
12 Dec - 21 Jan	Wizz Air Malta
30 Dec - 12 Jan	easyJet
15 Dec - 12 Jan	easyJet
31 Dec - 10 Jan	easyJet

Also check the deals for one-way flights from London to Santiago 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.

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Cheapest return flights from London to Santiago in December from $1163

Return flights