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

Return flights

01 Apr - 30 Apr	LATAM Airlines Group
03 Apr - 02 May	LATAM Airlines Group
28 Apr - 18 May	LATAM Airlines Group
27 Apr - 17 May	LATAM Airlines Group
07 Apr - 05 May	LATAM Airlines Group
26 Apr - 25 May	LATAM Airlines Group
01 Apr - 22 Apr	LATAM Airlines Group
17 Apr - 01 May	LATAM Airlines Group
24 Apr - 27 Apr	Avianca
26 Apr - 25 May	British Airways	direct
03 Apr - 02 May	British Airways	direct
24 Apr - 27 Apr	British Airways	direct

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 $871

Return flights