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

Return flights

03 Dec - 21 Dec	Wizz Air
01 Dec - 14 Dec	Ryanair
07 Dec - 22 Dec	Wizz Air
05 Dec - 23 Dec	easyJet
01 Dec - 16 Dec	easyJet
03 Dec - 08 Dec	Wizz Air
28 Dec - 31 Jan	Wizz Air
08 Dec - 16 Dec	easyJet
28 Dec - 22 Jan	Wizz Air
01 Dec - 07 Dec	Ryanair
07 Dec - 07 Jan	Wizz Air
30 Dec - 10 Jan	Wizz Air UK
28 Dec - 07 Jan	Wizz Air
28 Dec - 08 Jan	Wizz Air
28 Dec - 12 Jan	Wizz Air
07 Dec - 05 Jan	Wizz Air
29 Dec - 12 Jan	easyJet
28 Dec - 10 Jan	Wizz Air
15 Dec - 29 Dec	Ryanair
15 Dec - 22 Dec	easyJet

Also check the deals for one-way flights from London 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 London to Hanoi in December from 585€

Return flights