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

Return flights

23 Oct - 07 Nov	China Eastern
25 Oct - 09 Nov	China Eastern
19 Oct - 02 Nov	China Eastern
30 Oct - 06 Nov	China Eastern
13 Oct - 31 Oct	Wizz Air
13 Oct - 27 Oct	SKY express
13 Oct - 03 Nov	SKY express
12 Oct - 27 Oct	Wizz Air UK
11 Oct - 28 Oct	Wizz Air UK
12 Oct - 28 Oct	Wizz Air UK
19 Oct - 31 Oct	Wizz Air UK
13 Oct - 29 Oct	SKY express
19 Oct - 10 Nov	Wizz Air UK
19 Oct - 11 Nov	Wizz Air UK
01 Oct - 18 Oct	Air China
01 Oct - 17 Oct	Air China
20 Oct - 10 Nov	Ryanair
01 Oct - 13 Oct	Wizz Air UK
07 Oct - 11 Nov	Wizz Air UK
15 Oct - 18 Nov	Wizz Air UK

Also check the deals for one-way flights from London to Hanoi 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 London to Hanoi in October from $556

Return flights