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

Return flights

25 Oct - 11 Nov	Air China
30 Oct - 08 Nov	Air China
31 Oct - 09 Nov	Air China
26 Oct - 02 Nov	Air China
02 Oct - 14 Oct	Air China
01 Oct - 17 Oct	Air China
04 Oct - 11 Oct	Air China
28 Oct - 22 Nov	Air China
30 Oct - 14 Nov	Air China
25 Oct - 09 Nov	Air China
28 Oct - 30 Nov	Air China
29 Oct - 05 Nov	Air China
04 Oct - 04 Nov	Air China
01 Oct - 31 Oct	Air China
05 Oct - 17 Oct	Air China
05 Oct - 21 Oct	Air China
05 Oct - 18 Oct	Air China
05 Oct - 24 Oct	Air China
14 Oct - 28 Oct	Air China
11 Oct - 26 Oct	Pegasus Airlines

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from London to Hanoi in October from 528€

Return flights