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

Return flights

08 Sep - 14 Sep	Condor
23 Sep - 30 Sep	Condor
24 Sep - 07 Oct	Condor
30 Sep - 10 Oct	Condor
16 Sep - 03 Oct	Condor
01 Sep - 30 Sep	Condor
20 Sep - 05 Oct	Condor
14 Sep - 04 Oct	Condor
17 Sep - 04 Oct	Condor
20 Sep - 04 Oct	Condor
24 Sep - 07 Oct	Lufthansa	direct
20 Sep - 04 Oct	Lufthansa	direct
17 Sep - 04 Oct	Lufthansa	direct

Also check the deals for one-way flights from Calgary 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 Calgary to Frankfurt in September from $688

Return flights