Cheapest return flights from London to Colombo in September from $669

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

Return flights

19 Sep - 28 Sep British Airways
19 Sep - 25 Sep British Airways
20 Sep - 01 Oct British Airways
16 Sep - 24 Sep Aegean Airlines
26 Sep - 24 Oct British Airways
16 Sep - 01 Oct Aegean Airlines
01 Sep - 10 Sep Aegean Airlines
23 Sep - 29 Sep Aegean Airlines
23 Sep - 28 Sep Aegean Airlines
21 Sep - 20 Oct British Airways
14 Sep - 21 Sep British Airways
22 Sep - 29 Sep British Airways
07 Sep - 14 Sep British Airways
07 Sep - 21 Sep British Airways
14 Sep - 15 Oct British Airways
07 Sep - 01 Oct British Airways
21 Sep - 01 Oct British Airways
28 Sep - 27 Oct Aegean Airlines
27 Sep - 28 Oct British Airways
26 Sep - 05 Oct British Airways

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

Skyscanner

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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