Cheapest return flights from Colombo to London in December from $735

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 December 2025 (see full year).

Return flights

16 Dec - 12 Jan Air India
21 Dec - 09 Jan Gulf Air
16 Dec - 12 Jan SriLankan Airlines direct
21 Dec - 09 Jan SriLankan Airlines direct
13 Dec - 27 Dec Gulf Air
26 Dec - 11 Jan Qatar Airways
27 Dec - 07 Jan Qatar Airways
13 Dec - 27 Dec SriLankan Airlines direct
26 Dec - 11 Jan SriLankan Airlines direct
27 Dec - 07 Jan SriLankan Airlines direct

Also check the deals for one-way flights from Colombo to London in December.

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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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