Cheapest one-way flights from Santiago to London in September from $601

Best time to book flights for Santiago (SCL) to London (LHR) flights at AirHint

AirHint found the following cheapest one-way flights from Santiago (SCL) to London (LHR) in September 2025 (see full year).

One-Way flights

26 Sep JetSmart
22 Sep Avianca
19 Sep Avianca
28 Sep JetSmart
17 Sep Avianca
28 Sep British Airways direct
05 Sep Avianca
20 Sep Avianca
27 Sep JetSmart
02 Sep Sky Airline

Also check the deals for return flights from Santiago to London in September.

Skyscanner

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.

Book a cheap hotel in London

Cheap car rent in London