Cheapest return flights from Colombo to London in September from 748€

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 September 2025 (see full year).

Return flights

10 Sep - 19 Sep Qatar Airways
11 Sep - 21 Sep Qatar Airways
16 Sep - 16 Sep Qatar Airways
01 Sep - 17 Sep Qatar Airways
10 Sep - 19 Sep SriLankan Airlines direct
11 Sep - 21 Sep SriLankan Airlines direct
19 Sep - 26 Sep Qatar Airways

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

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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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