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

Return flights

05 Mar - 19 Mar	LATAM Airlines Group
26 Mar - 09 Apr	Avianca
26 Mar - 04 Apr	Avianca
02 Mar - 23 Mar	Iberia
02 Mar - 13 Mar	Iberia
25 Mar - 03 Apr	Avianca
28 Mar - 11 Apr	Avianca
12 Mar - 19 Mar	Iberia

Also check the deals for one-way flights from Santiago to London 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 Santiago to London in March from 688€

Return flights