Cheapest return flights from London to Hanoi in October from $515

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

02 Oct - 16 Oct China Southern
02 Oct - 15 Oct China Southern
02 Oct - 18 Oct China Southern
02 Oct - 27 Oct China Southern
02 Oct - 19 Oct China Southern
02 Oct - 12 Oct China Southern
02 Oct - 23 Oct China Southern
02 Oct - 11 Oct China Southern
02 Oct - 09 Oct China Southern
30 Oct - 22 Nov Air China
30 Oct - 09 Nov Air China
30 Oct - 13 Nov Air China
27 Oct - 27 Nov China Southern
28 Oct - 18 Nov China Southern
27 Oct - 03 Nov China Southern
27 Oct - 07 Nov China Southern
27 Oct - 09 Nov China Southern
27 Oct - 19 Nov China Southern
29 Oct - 16 Nov China Southern
04 Oct - 17 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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