AirHint found the following cheapest return flights from Santiago (SCL) to London (LHR) in December 2026 (see full year).

Return flights

10 Dec - 10 Jan	Air Canada
10 Dec - 09 Jan	Air Canada
09 Dec - 09 Jan	Air Canada
01 Dec - 06 Dec	Avianca
09 Dec - 08 Jan	Avianca
11 Dec - 11 Jan	Air Canada
10 Dec - 08 Jan	Avianca
10 Dec - 07 Jan	Avianca
16 Dec - 05 Jan	Air Canada
11 Dec - 09 Jan	Air Canada
08 Dec - 24 Dec	LATAM Airlines Group
08 Dec - 29 Dec	Iberia
11 Dec - 08 Jan	Avianca
04 Dec - 27 Dec	Turkish Airlines

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 696€

Return flights