Cheapest one-way flights from Colombo to London in October from $349

Best time to book flights for Colombo (CMB) to London (LHR) flights at AirHint

AirHint found the following cheapest one-way flights from Colombo (CMB) to London (LHR) in October 2025 (see full year).

One-Way flights

02 Oct Etihad Airways
01 Oct Etihad Airways
16 Oct Etihad Airways
04 Oct Etihad Airways
05 Oct Etihad Airways
11 Oct Etihad Airways
20 Oct Etihad Airways
30 Oct SriLankan Airlines direct
02 Oct SriLankan Airlines direct
01 Oct SriLankan Airlines direct

Also check the deals for return flights from Colombo to London in October.

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