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

Return flights

10 Dec - 23 Dec	Etihad Airways
11 Dec - 18 Dec	Etihad Airways
02 Dec - 16 Dec	Etihad Airways
05 Dec - 23 Dec	Etihad Airways
15 Dec - 16 Jan	Air China
30 Dec - 25 Jan	Cathay Pacific
01 Dec - 15 Dec	Air China
01 Dec - 23 Dec	Air China
01 Dec - 28 Dec	Air China
08 Dec - 30 Dec	Air China
03 Dec - 14 Dec	Air China
08 Dec - 28 Dec	Air China
06 Dec - 04 Jan	Pegasus Airlines
15 Dec - 21 Jan	Air China
15 Dec - 15 Jan	Air China
15 Dec - 17 Jan	Air China
13 Dec - 10 Jan	Ryanair
13 Dec - 08 Jan	Ryanair
31 Dec - 24 Jan	Etihad Airways
10 Dec - 11 Jan	Air China

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

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 December from $695

Return flights