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

Return flights

05 Mar - 19 Mar	Ryanair
01 Mar - 16 Mar	Ryanair
03 Mar - 10 Mar	Air Canada
05 Mar - 12 Mar	Air Canada
05 Mar - 24 Mar	Air Canada
03 Mar - 24 Mar	Air Canada
11 Mar - 25 Mar	Air Canada
04 Mar - 17 Mar	Air Canada
11 Mar - 18 Mar	Air Canada
05 Mar - 21 Mar	Air Canada
18 Mar - 03 Apr	Ryanair
31 Mar - 09 Apr	British Airways
30 Mar - 13 Apr	Ryanair
25 Mar - 10 Apr	Ryanair
14 Mar - 11 Apr	Ryanair
25 Mar - 01 Apr	Ryanair
24 Mar - 21 Apr	Ryanair
24 Mar - 03 Apr	Ryanair
14 Mar - 12 Apr	British Airways
21 Mar - 01 Apr	LATAM Airlines Group

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 762€

Return flights