Cheapest return flights from London to Colombo in September from $766

Best time to book flights for London (LHR) to Colombo (CMB) flights at AirHint

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

Return flights

01 Sep - 26 Sep Air India
01 Sep - 22 Sep Air India
17 Sep - 30 Sep Air India
10 Sep - 24 Sep Air India
08 Sep - 25 Sep Air India
04 Sep - 18 Sep Etihad Airways
29 Sep - 16 Oct Etihad Airways
14 Sep - 09 Oct Etihad Airways
06 Sep - 22 Sep Air India
17 Sep - 27 Sep Air India
24 Sep - 28 Sep Air India
02 Sep - 23 Sep British Airways
13 Sep - 04 Oct British Airways
10 Sep - 06 Oct British Airways
13 Sep - 13 Oct British Airways
29 Sep - 19 Oct Etihad Airways
29 Sep - 05 Oct Etihad Airways
29 Sep - 17 Oct Etihad Airways
29 Sep - 14 Oct British Airways
26 Sep - 09 Oct British Airways

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