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

Return flights

09 Mar - 18 Mar	Air Canada
10 Mar - 24 Mar	Air Canada
03 Mar - 10 Mar	Air Canada
16 Mar - 28 Mar	Air Canada
02 Mar - 28 Mar	Air Canada
02 Mar - 16 Mar	Air Canada
05 Mar - 21 Mar	Air Canada
05 Mar - 19 Mar	Air Canada
05 Mar - 12 Mar	Air Canada
06 Mar - 21 Mar	Air Canada
25 Mar - 07 Apr	LATAM Airlines Group
18 Mar - 03 Apr	British Airways
25 Mar - 10 Apr	LATAM Airlines Group
24 Mar - 03 Apr	British Airways
28 Mar - 10 Apr	LATAM Airlines Group
20 Mar - 05 Apr	Iberia
26 Mar - 05 Apr	Iberia
11 Mar - 03 Apr	LATAM Airlines Group
14 Mar - 11 Apr	LATAM Airlines Group
28 Mar - 13 Apr	Vueling Airlines

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

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 March from $951

Return flights