Cheapest return flights from Colombo to London in October from $738

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

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

Return flights

06 Oct - 05 Nov Etihad Airways
03 Oct - 02 Nov Etihad Airways
15 Oct - 16 Nov British Airways
01 Oct - 15 Oct Turkish Airlines
17 Oct - 16 Nov Etihad Airways
01 Oct - 15 Oct SriLankan Airlines direct
06 Oct - 05 Nov SriLankan Airlines direct
15 Oct - 16 Nov SriLankan Airlines direct
17 Oct - 16 Nov SriLankan Airlines direct
01 Oct - 22 Oct Air India
03 Oct - 02 Nov SriLankan Airlines direct
31 Oct - 28 Nov Qatar Airways

Also check the deals for one-way 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