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

Return flights

04 Mar - 09 Mar	British Airways
11 Mar - 16 Mar	British Airways
04 Mar - 17 Mar	British Airways
06 Mar - 13 Mar	Iberia
05 Mar - 10 Mar	Iberia
05 Mar - 11 Mar	Iberia
05 Mar - 16 Mar	Iberia
05 Mar - 12 Mar	Iberia
05 Mar - 18 Mar	Iberia
18 Mar - 29 Mar	Luxair
26 Mar - 04 Apr	British Airways
25 Mar - 12 Apr	ITA Airways
23 Mar - 03 Apr	KLM
16 Mar - 13 Apr	British Airways
30 Mar - 14 Apr	ITA Airways
21 Mar - 15 Apr	SWISS
16 Mar - 07 Apr	KLM
25 Mar - 03 Apr	KLM
30 Mar - 25 Apr	KLM
27 Mar - 12 Apr	ITA 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 996€

Return flights