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

Return flights

09 Mar - 17 Mar	Air Canada
04 Mar - 21 Mar	Air Canada
03 Mar - 21 Mar	Air Canada
18 Mar - 25 Mar	Air Canada
03 Mar - 10 Mar	Air Canada
03 Mar - 14 Mar	Air Canada
10 Mar - 25 Mar	Air Canada
11 Mar - 26 Mar	Air Canada
03 Mar - 24 Mar	Air Canada
07 Mar - 21 Mar	Air Canada
11 Mar - 03 Apr	Iberia
25 Mar - 03 Apr	British Airways
21 Mar - 18 Apr	Iberia
14 Mar - 03 Apr	Avianca
23 Mar - 02 Apr	Iberia
03 Mar - 08 Apr	British Airways
25 Mar - 06 Apr	British Airways
29 Mar - 09 Apr	British Airways
14 Mar - 12 Apr	Iberia
25 Mar - 08 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 789€

Return flights