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

Return flights

25 Aug - 08 Sep	Wizz Air Malta
25 Aug - 09 Sep	Wizz Air Malta
28 Aug - 02 Sep	Pegasus Airlines
25 Aug - 01 Sep	Pegasus Airlines
24 Aug - 14 Sep	Pegasus Airlines
24 Aug - 21 Sep	Ryanair
27 Aug - 17 Sep	AJet
27 Aug - 22 Sep	AJet
26 Aug - 05 Sep	Ryanair
20 Aug - 03 Sep	Air China
20 Aug - 25 Aug	Air China
21 Aug - 26 Aug	Air China
20 Aug - 27 Aug	Air China
22 Aug - 27 Aug	Air China
20 Aug - 24 Aug	Wizz Air Malta
26 Aug - 31 Aug	Ryanair
19 Aug - 27 Aug	Ryanair
20 Aug - 30 Aug	Turkish Airlines
18 Aug - 25 Aug	Air China
25 Aug - 30 Aug	Pegasus Airlines

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