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

Return flights

01 Dec - 08 Dec	easyJet
01 Dec - 09 Dec	Ryanair
01 Dec - 05 Dec	Ryanair
01 Dec - 13 Dec	Ryanair
04 Dec - 11 Dec	easyJet
04 Dec - 07 Dec	easyJet
10 Dec - 16 Jan	easyJet
12 Dec - 22 Dec	Ryanair
17 Dec - 16 Jan	easyJet
18 Dec - 25 Dec	easyJet
16 Dec - 02 Jan	easyJet
09 Dec - 13 Dec	easyJet
27 Dec - 08 Jan	Wizz Air Malta
18 Dec - 01 Jan	easyJet
10 Dec - 02 Jan	easyJet
01 Dec - 09 Jan	Ryanair
20 Dec - 04 Jan	easyJet
19 Dec - 26 Dec	easyJet
10 Dec - 03 Jan	easyJet
22 Dec - 09 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 $1096

Return flights