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

Return flights

11 Mar - 22 Mar	ITA Airways
11 Mar - 20 Mar	ITA Airways
13 Mar - 22 Mar	Iberia
09 Mar - 17 Mar	ITA Airways
16 Mar - 19 Mar	Iberia
12 Mar - 17 Mar	ITA Airways
12 Mar - 22 Mar	ITA Airways
19 Mar - 22 Mar	ITA Airways
16 Mar - 24 Mar	Iberia
10 Mar - 18 Mar	Iberia
27 Mar - 13 Apr	Delta
26 Mar - 12 Apr	Delta
30 Mar - 14 Apr	Delta
24 Mar - 09 Apr	Delta
26 Mar - 09 Apr	Delta
26 Mar - 05 Apr	Delta
24 Mar - 02 Apr	British Airways
23 Mar - 21 Apr	Luxair
25 Mar - 03 Apr	British Airways
25 Mar - 17 Apr	British Airways

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 $1113

Return flights