AirHint found the following cheapest return flights from London (LON) to Hanoi (HAN) in December 2026 (see full year).

Return flights

25 Dec - 24 Jan	China Eastern
27 Dec - 17 Jan	China Eastern
27 Dec - 20 Jan	China Eastern
25 Dec - 17 Jan	China Eastern
27 Dec - 27 Jan	China Eastern
26 Dec - 19 Jan	China Eastern
03 Dec - 19 Dec	China Eastern
01 Dec - 09 Dec	Air China
29 Dec - 12 Jan	Air China
31 Dec - 14 Jan	Air China
01 Dec - 21 Dec	Air China
31 Dec - 21 Jan	Air China
01 Dec - 15 Dec	Wizz Air UK
01 Dec - 31 Dec	Air China
02 Dec - 13 Dec	Air China
03 Dec - 17 Dec	Air China
03 Dec - 10 Dec	Air China
01 Dec - 10 Dec	Air China
02 Dec - 16 Dec	Air China
30 Dec - 08 Jan	Air China

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 $575

Return flights