AirHint found the following cheapest return flights from Colombo (CMB) to London (LHR) in January 2026 (see full year).

Return flights

29 Jan - 05 Feb	IndiGo
22 Jan - 29 Jan	IndiGo
20 Jan - 28 Jan	SriLankan Airlines
27 Jan - 03 Feb	IndiGo
21 Jan - 28 Jan	IndiGo
10 Jan - 17 Jan	FitsAir
28 Jan - 04 Feb	Air India
20 Jan - 27 Jan	SriLankan Airlines
25 Jan - 29 Jan	Air India
25 Jan - 01 Feb	IndiGo
26 Jan - 02 Feb	Air India
19 Jan - 26 Jan	Air India
23 Jan - 27 Jan	Air India
30 Jan - 06 Feb	Etihad Airways
18 Jan - 28 Jan	IndiGo
14 Jan - 22 Jan	Air India
22 Jan - 07 Feb	IndiGo
25 Jan - 07 Feb	Air India
13 Jan - 09 Feb	Air India
31 Jan - 07 Feb	Air India

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

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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Cheapest return flights from Colombo to London in January from $655

Return flights