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

Return flights

10 May - 17 May	British Airways
15 May - 14 Jun	KLM
02 May - 12 May	KLM
12 May - 26 May	British Airways
01 May - 11 May	KLM
28 May - 09 Jun	KLM
21 May - 06 Jun	KLM
31 May - 12 Jun	British Airways
22 May - 30 May	KLM
23 May - 30 May	KLM
11 May - 15 May	British Airways
16 May - 13 Jun	KLM
08 May - 10 May	British Airways
09 May - 22 May	KLM
04 May - 08 May	British Airways

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

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 May from 994€

Return flights