Cheapest one-way flights from London to Hanoi in January from $571

AirHint found the following cheapest one-way flights from London (LCY) to Hanoi (HAN) in January 2026 (see full year).

One-Way flights

27 Jan British Airways
29 Jan KLM
20 Jan KLM
22 Jan KLM
21 Jan KLM
25 Jan SWISS
28 Jan British Airways
26 Jan British Airways
19 Jan British Airways
16 Jan British Airways

Also check the deals for return flights from London to Hanoi in January.

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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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