Cheapest return flights from London to Hanoi in October from $585

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

04 Oct - 18 Oct Air China
04 Oct - 23 Oct Air China
30 Oct - 15 Nov Air China
26 Oct - 09 Nov Air China
30 Oct - 16 Nov Air China
04 Oct - 19 Oct Air China
20 Oct - 31 Oct Shenzhen Airlines
02 Oct - 16 Oct China Southern
15 Oct - 31 Oct Shenzhen Airlines
15 Oct - 27 Oct Shenzhen Airlines
19 Oct - 27 Oct Shenzhen Airlines
19 Oct - 29 Oct Shenzhen Airlines
03 Oct - 10 Oct China Southern
27 Oct - 08 Nov Air China
03 Oct - 29 Nov Air China
30 Oct - 06 Nov Air China
29 Oct - 16 Nov Air China
21 Oct - 04 Nov Air China
22 Oct - 05 Nov Air China
15 Oct - 05 Nov 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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