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

Return flights

23 Sep - 07 Oct	Condor
12 Sep - 17 Sep	Condor
16 Sep - 23 Sep	Condor
12 Sep - 23 Sep	Condor
16 Sep - 08 Oct	Condor
23 Sep - 08 Oct	Condor
09 Sep - 23 Sep	Condor
11 Sep - 24 Sep	Condor
08 Sep - 17 Sep	Condor
11 Sep - 19 Sep	Condor
08 Sep - 23 Sep	Condor
08 Sep - 24 Sep	Condor
08 Sep - 08 Oct	Condor
12 Sep - 26 Sep	Condor
10 Sep - 08 Oct	Air France
19 Sep - 14 Oct	Air France
18 Sep - 08 Oct	Condor
22 Sep - 08 Oct	Condor
25 Sep - 08 Oct	Condor
23 Sep - 10 Oct	Condor

Also check the deals for one-way flights from Frankfurt to Hanoi 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 Hanoi in September from $596

Return flights