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

Return flights

26 May - 11 Jun	Avianca
26 May - 18 Jun	Avianca
14 May - 29 May	LATAM Airlines Group
26 May - 08 Jun	Avianca
27 May - 09 Jun	Avianca
05 May - 23 May	LATAM Airlines Group
21 May - 07 Jun	Avianca
15 May - 30 May	LATAM Airlines Group
02 May - 27 May	LEVEL
10 May - 18 May	Air France
11 May - 25 May	Air France
17 May - 30 May	LATAM Airlines Group
09 May - 23 May	LEVEL
01 May - 04 May	Avianca
03 May - 28 May	Avianca
29 May - 21 Jun	American Airlines

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 747€

Return flights