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

Return flights

30 Nov - 07 Dec	Air India
10 Nov - 17 Nov	Etihad Airways
03 Nov - 09 Nov	Air India
01 Nov - 10 Nov	Air India
08 Nov - 16 Nov	Air India
10 Nov - 17 Nov	SriLankan Airlines	direct
08 Nov - 16 Nov	SriLankan Airlines	direct
30 Nov - 07 Dec	SriLankan Airlines	direct
01 Nov - 10 Nov	SriLankan Airlines	direct
03 Nov - 09 Nov	SriLankan Airlines	direct

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

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 November from 613€

Return flights