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

Return flights

08 Nov - 22 Nov	SriLankan Airlines
12 Nov - 19 Nov	Air Arabia Abu Dhabi
03 Nov - 17 Nov	IndiGo
10 Nov - 14 Nov	Air India
17 Nov - 01 Dec	Air India
25 Nov - 27 Nov	Air India
18 Nov - 03 Dec	Air India
20 Nov - 27 Nov	Air India
18 Nov - 08 Dec	Air India
26 Nov - 03 Dec	Air India
19 Nov - 26 Nov	Air India
11 Nov - 18 Nov	Air Arabia Abu Dhabi
19 Nov - 04 Dec	Air India
17 Nov - 24 Nov	Air India
17 Nov - 08 Dec	Air Arabia
18 Nov - 25 Nov	Air India
25 Nov - 02 Dec	Air India
24 Nov - 01 Dec	Air India
27 Nov - 04 Dec	Air India
27 Nov - 03 Dec	Air India

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 554€

Return flights