AirHint found the following cheapest one-way flights from Hanoi (HAN) to London (LGW) in October 2025 (see full year).

One-Way flights

29 Oct	Thai AirAsia
30 Oct	Thai AirAsia
26 Oct	Vietravel Airlines
22 Oct	China Southern
16 Oct	China Southern
12 Oct	China Southern
23 Oct	China Southern
25 Oct	Vietravel Airlines
20 Oct	VietJet Air
07 Oct	Air China

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

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 one-way flights from Hanoi to London in October from $247

One-Way flights