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

Return flights

26 Jan - 02 Feb	China Southern
15 Jan - 20 Jan	Etihad Airways
23 Jan - 13 Feb	VietJet Air
01 Jan - 02 Jan	VietJet Air
02 Jan - 09 Jan	VietJet Air
04 Jan - 05 Jan	China Southern
23 Jan - 13 Feb	Vietnam Airlines	direct
02 Jan - 09 Jan	Vietnam Airlines	direct
26 Jan - 02 Feb	Vietnam Airlines	direct

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 554€

Return flights