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

Return flights

16 Apr - 30 Apr	Wizz Air UK
20 Apr - 04 May	Norse Atlantic Airways (UK)
09 Apr - 18 Apr	Wizz Air UK
09 Apr - 24 Apr	Wizz Air UK
17 Apr - 28 Apr	Wizz Air UK
08 Apr - 22 Apr	Ryanair
08 Apr - 16 Apr	Ryanair
18 Apr - 29 Apr	Air Canada
16 Apr - 28 Apr	Air Canada
13 Apr - 27 Apr	Air Canada
10 Apr - 29 Apr	Air Canada
17 Apr - 01 May	Ryanair
18 Apr - 01 May	British Airways	direct

Also check the deals for one-way flights from London to Santiago in April.

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 April from 888€

Return flights