Cheapest one-way flights from Colombo to London in December from 369€

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 December 2025 (see full year).

One-Way flights

10 Dec Qatar Airways
23 Dec Gulf Air
07 Dec Qatar Airways
01 Dec Gulf Air
05 Dec Qatar Airways
12 Dec Qatar Airways
27 Dec Qatar Airways
10 Dec SriLankan Airlines direct
23 Dec SriLankan Airlines direct
12 Dec SriLankan Airlines direct

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

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.

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