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

Return flights

20 Oct - 30 Oct	Air China
19 Oct - 29 Oct	China Eastern
15 Oct - 20 Oct	Scoot Tigerair
16 Oct - 20 Oct	Scoot Tigerair
18 Oct - 25 Oct	Scoot Tigerair
19 Oct - 27 Oct	Ethiopian Airlines
15 Oct - 19 Oct	Singapore Airlines
12 Oct - 02 Nov	Emirates
11 Oct - 01 Nov	Emirates
08 Oct - 13 Oct	China Southern
22 Oct - 26 Oct	British Airways

Also check the deals for one-way 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 return flights from Hanoi to London in October from 559€

Return flights