Cheapest return flights from London to Hanoi in September from $532

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

Return flights

25 Sep - 12 Oct China Southern
22 Sep - 20 Oct China Southern
15 Sep - 13 Oct China Southern
22 Sep - 27 Oct China Southern
21 Sep - 20 Oct China Southern
21 Sep - 19 Oct China Southern
23 Sep - 14 Oct China Southern
24 Sep - 15 Oct China Southern
16 Sep - 16 Oct China Southern
23 Sep - 22 Oct China Southern
03 Sep - 26 Sep Shenzhen Airlines
17 Sep - 25 Sep Shenzhen Airlines
01 Sep - 08 Sep Shenzhen Airlines
01 Sep - 09 Sep Shenzhen Airlines
17 Sep - 24 Sep Shenzhen Airlines
05 Sep - 07 Sep Shenzhen Airlines
03 Sep - 07 Sep Shenzhen Airlines
10 Sep - 24 Sep Shenzhen Airlines
10 Sep - 17 Sep Shenzhen Airlines
06 Sep - 19 Sep Shenzhen Airlines

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

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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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