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

Return flights

14 Sep - 14 Oct	Pegasus Airlines
24 Sep - 01 Oct	AJet
29 Sep - 11 Oct	AJet
22 Sep - 20 Oct	AJet
22 Sep - 14 Oct	AJet
17 Sep - 01 Oct	AJet
20 Sep - 29 Sep	AJet
18 Sep - 01 Oct	Pegasus Airlines
22 Sep - 07 Oct	AJet
22 Sep - 28 Sep	AJet
14 Sep - 07 Oct	Ryanair
16 Sep - 01 Oct	AJet
20 Sep - 30 Sep	AJet
21 Sep - 28 Sep	Pegasus Airlines
22 Sep - 29 Sep	AJet
14 Sep - 22 Sep	Ryanair
18 Sep - 30 Sep	Pegasus Airlines
27 Sep - 30 Sep	Ryanair
24 Sep - 29 Sep	AJet
15 Sep - 30 Sep	AJet

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Colombo in September from 473€

Return flights