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 Malta
04 Dec - 14 Dec	Wizz Air Malta
04 Dec - 15 Dec	Wizz Air Malta
03 Dec - 14 Dec	Wizz Air Malta
01 Dec - 19 Dec	Wizz Air Malta
01 Dec - 22 Dec	Wizz Air Malta
06 Dec - 22 Dec	Wizz Air UK
03 Dec - 18 Dec	Wizz Air Malta
06 Dec - 20 Dec	Wizz Air UK
06 Dec - 13 Dec	Wizz Air UK
03 Dec - 22 Jan	Wizz Air Malta
29 Dec - 18 Jan	Ryanair
29 Dec - 25 Jan	Wizz Air
29 Dec - 19 Jan	Wizz Air
29 Dec - 12 Jan	Wizz Air
11 Dec - 16 Jan	Wizz Air Malta
29 Dec - 16 Jan	Wizz Air
29 Dec - 14 Jan	Wizz Air
05 Dec - 26 Jan	Wizz Air Malta
30 Dec - 12 Jan	Wizz Air

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from London to Hanoi in December from 498€

Return flights