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

Return flights

15 Sep - 19 Sep	Air Arabia Abu Dhabi
05 Sep - 12 Sep	IndiGo
03 Sep - 07 Sep	Air India
15 Sep - 22 Sep	Air India
10 Sep - 17 Sep	Air India
07 Sep - 14 Sep	Air India
17 Sep - 24 Sep	Air India
05 Sep - 11 Sep	Air India
05 Sep - 08 Sep	Air India
05 Sep - 14 Sep	Air India

Also check the deals for one-way flights from Colombo to Frankfurt 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 Colombo to Frankfurt in September from $673

Return flights