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

Return flights

08 Mar - 15 Mar	TAP
16 Mar - 26 Mar	Iberia For Level
16 Mar - 23 Mar	Iberia For Level
08 Mar - 17 Mar	LATAM Airlines Group
07 Mar - 17 Mar	LATAM Airlines Group
09 Mar - 15 Mar	LATAM Airlines Group
05 Mar - 22 Mar	LATAM Airlines Group
25 Mar - 08 Apr	LATAM Airlines Group
26 Mar - 31 Mar	LATAM Airlines Group
02 Mar - 12 Mar	Iberia For Level
03 Mar - 30 Mar	LATAM Airlines Group
28 Mar - 11 Apr	Iberia
28 Mar - 12 Apr	Iberia
20 Mar - 05 Apr	Delta
27 Mar - 03 Apr	Iberia
27 Mar - 11 Apr	Iberia
26 Mar - 11 Apr	Delta
28 Mar - 12 Apr	British Airways	direct
27 Mar - 10 Apr	Delta

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 $963

Return flights