Cheapest return flights from London to Hanoi in September from 418€

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

Return flights

22 Sep - 22 Oct China Southern
23 Sep - 22 Oct China Southern
22 Sep - 20 Oct China Southern
21 Sep - 20 Oct China Southern
15 Sep - 27 Oct China Southern
23 Sep - 21 Oct China Southern
15 Sep - 28 Oct China Southern
17 Sep - 20 Oct China Southern
22 Sep - 15 Oct China Southern
23 Sep - 15 Oct China Southern
17 Sep - 27 Sep Shenzhen Airlines
17 Sep - 28 Sep Shenzhen Airlines
14 Sep - 27 Sep Shenzhen Airlines
13 Sep - 26 Sep Shenzhen Airlines
15 Sep - 28 Sep Shenzhen Airlines
14 Sep - 26 Sep Shenzhen Airlines
08 Sep - 28 Sep Shenzhen Airlines
17 Sep - 29 Sep Shenzhen Airlines
12 Sep - 26 Sep Shenzhen Airlines
22 Sep - 28 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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