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

Return flights

17 Sep - 27 Sep	Pegasus Airlines
11 Sep - 25 Sep	Pegasus Airlines
05 Sep - 15 Sep	Pegasus Airlines
10 Sep - 24 Sep	Pegasus Airlines
05 Sep - 19 Sep	Pegasus Airlines
26 Sep - 19 Oct	Pegasus Airlines
04 Sep - 11 Sep	Ryanair
20 Sep - 03 Oct	Ryanair
19 Sep - 11 Oct	Pegasus Airlines
01 Sep - 21 Sep	Pegasus Airlines
20 Sep - 12 Oct	Ryanair
01 Sep - 01 Oct	Pegasus Airlines
27 Sep - 11 Oct	Ryanair
06 Sep - 19 Sep	IndiGo

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

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 Edinburgh to Colombo in September from 515€

Return flights