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

Return flights

15 Sep - 22 Sep	Air China
17 Sep - 24 Sep	Air China
16 Sep - 23 Sep	Air China
03 Sep - 10 Sep	Air China
04 Sep - 11 Sep	Air China
07 Sep - 14 Sep	Air China
14 Sep - 21 Sep	Air China
05 Sep - 08 Sep	Shenzhen Airlines
09 Sep - 16 Sep	Shenzhen Airlines
01 Sep - 08 Sep	Air China
26 Sep - 03 Oct	Thai Airways
18 Sep - 04 Oct	Air China
24 Sep - 01 Oct	Thai Airways
27 Sep - 04 Oct	VietJet Air
28 Sep - 05 Oct	Ethiopian Airlines
29 Sep - 06 Oct	Cathay Pacific
27 Sep - 07 Oct	Emirates
28 Sep - 07 Oct	Emirates
30 Sep - 07 Oct	Qatar Airways
25 Sep - 02 Oct	Qatar Airways

Also check the deals for one-way flights from Hanoi 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 Hanoi to Frankfurt in September from $655

Return flights