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

Return flights

08 May - 18 May	LATAM Airlines Group
11 May - 29 May	LATAM Airlines Group
12 May - 30 May	LATAM Airlines Group
02 May - 22 May	Air Canada
12 May - 02 Jun	Air Canada
17 May - 04 Jun	Iberia
01 May - 09 May	Sky Airline
13 May - 28 May	Air France
14 May - 31 May	LATAM Airlines Group
02 May - 16 May	LEVEL
01 May - 10 May	Sky Airline
02 May - 10 May	LATAM Airlines Group
15 May - 03 Jun	Iberia
14 May - 01 Jun	Air France
15 May - 01 Jun	KLM
29 May - 08 Jun	Air France
21 May - 07 Jun	Air Canada
14 May - 07 Jun	Air Canada
17 May - 04 Jun	British Airways	direct
30 May - 11 Jun	LATAM Airlines Group

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

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 May from $938

Return flights