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

Return flights

28 Jan - 22 Feb	IndiGo
19 Jan - 21 Jan	China West Air
20 Jan - 28 Jan	VietJet Air
20 Jan - 29 Jan	VietJet Air
23 Jan - 26 Jan	VietJet Air
21 Jan - 29 Jan	VietJet Air
19 Jan - 15 Feb	Thai AirAsia
29 Jan - 05 Feb	AirAsia
31 Jan - 07 Feb	Thai AirAsia
28 Jan - 08 Feb	IndiGo
30 Jan - 12 Feb	Thai AirAsia
31 Jan - 12 Feb	Thai AirAsia
25 Jan - 30 Jan	VietJet Air
23 Jan - 30 Jan	VietJet Air
24 Jan - 31 Jan	Vietnam Airlines
22 Jan - 29 Jan	VietJet Air
28 Jan - 04 Feb	IndiGo
21 Jan - 02 Feb	Sichuan Airlines
20 Jan - 30 Jan	VietJet Air
30 Jan - 06 Feb	Air China

Also check the deals for one-way flights from Hanoi to London 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 Hanoi to London in January from 471€

Return flights