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

Return flights

13 Apr - 23 Apr	Vueling Airlines
11 Apr - 21 Apr	Vueling Airlines
10 Apr - 17 Apr	Vueling Airlines
20 Apr - 24 Apr	Vueling Airlines
17 Apr - 21 Apr	Vueling Airlines
08 Apr - 13 Apr	Iberia
12 Apr - 26 Apr	LATAM Airlines Group
01 Apr - 12 Apr	LATAM Airlines Group
16 Apr - 23 Apr	British Airways
08 Apr - 25 Apr	LATAM Airlines Group

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

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 April from $1001

Return flights