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

Return flights

14 Aug - 21 Sep	Aegean Airlines
24 Aug - 03 Sep	Pegasus Airlines
28 Aug - 16 Sep	Air China
22 Aug - 09 Sep	Air China
25 Aug - 03 Sep	Air China
22 Aug - 03 Sep	Air China
21 Aug - 16 Sep	Air China
27 Aug - 10 Sep	Air China
29 Aug - 27 Sep	Wizz Air Malta
18 Aug - 01 Sep	Air China
19 Aug - 26 Aug	Air China
18 Aug - 31 Aug	Air China
25 Aug - 31 Aug	Air China
04 Aug - 11 Aug	Ryanair
13 Aug - 27 Aug	Turkish Airlines
18 Aug - 25 Aug	Air China
12 Aug - 26 Aug	Air India
26 Aug - 29 Aug	Turkish Airlines
24 Aug - 30 Aug	Turkish Airlines
19 Aug - 30 Aug	Air China

Also check the deals for one-way flights from Frankfurt to Hanoi in August.

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 August from 621€

Return flights