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

Return flights

13 Oct - 22 Oct	Air China
15 Oct - 28 Oct	Air China
10 Oct - 19 Oct	China Eastern
08 Oct - 19 Oct	VietJet Air
20 Oct - 29 Oct	Air China
05 Oct - 11 Oct	Emirates
11 Oct - 18 Oct	VietJet Air
01 Oct - 08 Oct	Emirates
02 Oct - 09 Oct	Emirates
15 Oct - 26 Oct	Turkish Airlines

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 551€

Return flights