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

Return flights

31 Dec - 18 Jan	Air China
31 Dec - 19 Jan	Air China
30 Dec - 21 Jan	Ryanair
30 Dec - 15 Jan	AJet
31 Dec - 17 Jan	AJet
28 Dec - 21 Jan	AJet
29 Dec - 22 Jan	AJet
27 Dec - 23 Jan	AJet
28 Dec - 24 Jan	Pegasus Airlines
28 Dec - 18 Jan	AJet
24 Dec - 28 Dec	Asiana Airlines
24 Dec - 30 Dec	Asiana Airlines
23 Dec - 27 Dec	Ryanair
22 Dec - 24 Dec	Ryanair
23 Dec - 28 Dec	Lufthansa
23 Dec - 30 Dec	Ryanair
23 Dec - 26 Dec	Ryanair
21 Dec - 30 Dec	Ryanair
27 Dec - 31 Dec	Ryanair
26 Dec - 31 Dec	Royal Jordanian

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 627€

Return flights