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

Return flights

24 Sep - 01 Oct	AJet
22 Sep - 06 Oct	AJet
20 Sep - 28 Sep	AJet
22 Sep - 01 Oct	AJet
23 Sep - 30 Sep	AJet
15 Sep - 01 Oct	AJet
20 Sep - 30 Sep	AJet
07 Sep - 01 Oct	AJet
21 Sep - 28 Sep	AJet
28 Sep - 05 Oct	AJet
07 Sep - 28 Sep	AJet
24 Sep - 11 Oct	AJet
20 Sep - 01 Oct	AJet
13 Sep - 28 Sep	AJet
20 Sep - 27 Sep	AJet
17 Sep - 22 Sep	AJet
14 Sep - 01 Oct	AJet
18 Sep - 30 Sep	AJet
16 Sep - 01 Oct	AJet
22 Sep - 26 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 $555

Return flights