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

Return flights

01 Dec - 05 Dec	Ryanair	direct
22 Dec - 05 Jan	Ryanair	direct
08 Dec - 12 Dec	Ryanair	direct
02 Dec - 05 Dec	Vueling Airlines
01 Dec - 06 Dec	Ryanair
21 Dec - 02 Jan	Ryanair	direct
19 Dec - 11 Jan	Ryanair
12 Dec - 11 Jan	Ryanair
22 Dec - 03 Jan	Ryanair
01 Dec - 04 Dec	Ryanair
23 Dec - 02 Jan	Vueling Airlines
12 Dec - 15 Dec	Ryanair
03 Dec - 05 Dec	Vueling Airlines
03 Dec - 12 Jan	Vueling Airlines
12 Dec - 16 Dec	Ryanair
22 Dec - 26 Dec	Ryanair	direct
09 Dec - 12 Dec	Vueling Airlines
22 Dec - 07 Jan	Ryanair
29 Dec - 02 Jan	Ryanair	direct
29 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Santiago to London 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 Santiago to London in December from $64

Return flights