Cheapest return flights from London to Hanoi in October from 539€

Best time to book flights for London (LON) to Hanoi (HAN) flights at AirHint

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

Return flights

03 Oct - 18 Oct Air China
20 Oct - 29 Oct Air China
26 Oct - 16 Nov Air China
29 Oct - 12 Nov Air China
27 Oct - 24 Nov Air China
23 Oct - 07 Nov Air China
29 Oct - 09 Nov Air China
23 Oct - 31 Oct Air China
22 Oct - 02 Nov Air China
26 Oct - 03 Nov Air China
20 Oct - 17 Nov Air China
26 Oct - 05 Nov Air China
26 Oct - 10 Nov Air China
22 Oct - 29 Oct Air China
23 Oct - 30 Oct Air China
20 Oct - 31 Oct Air China
25 Oct - 31 Oct Air China
20 Oct - 26 Oct Air China
22 Oct - 31 Oct Air China
05 Oct - 15 Oct Air China

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

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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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