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

Return flights

11 Jan - 25 Jan	Air China
04 Jan - 29 Jan	Air China
04 Jan - 18 Jan	Air China
08 Jan - 19 Jan	Wizz Air Malta
09 Jan - 25 Jan	Wizz Air Malta
08 Jan - 25 Jan	Wizz Air Malta
15 Jan - 25 Jan	Wizz Air Malta
01 Jan - 13 Jan	Wizz Air Malta
17 Jan - 28 Jan	Air China
12 Jan - 25 Jan	Air China
30 Jan - 28 Feb	Air China
31 Jan - 28 Feb	Air China
28 Jan - 28 Feb	Air China
14 Jan - 28 Feb	Air China
05 Jan - 28 Feb	Air China
15 Jan - 28 Feb	Air China
12 Jan - 28 Feb	Air China
26 Jan - 06 Feb	Ryanair
26 Jan - 02 Feb	Air China
24 Jan - 09 Feb	Air China

Also check the deals for one-way flights from London to Hanoi in January.

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 January from 453€

Return flights