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

Return flights

21 Apr - 28 May	Avianca
04 Apr - 18 Apr	LATAM Airlines Group
28 Apr - 28 May	British Airways	direct
28 Apr - 18 May	LATAM Airlines Group
28 Apr - 18 May	British Airways	direct
03 Apr - 17 Apr	British Airways
27 Apr - 17 May	LATAM Airlines Group
13 Apr - 04 May	LATAM Airlines Group

Also check the deals for one-way flights from Santiago to London 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 Santiago to London in April from $914

Return flights