Cheapest return LHR–HAN flights, September

AirHint found the following cheapest return flights from London (LHR) to Hanoi (HAN) in September 2026 (see full year).

Return flights

21 Sep - 11 Oct Air China
13 Sep - 12 Oct Air China
11 Sep - 12 Oct Air China
12 Sep - 12 Oct Air China
15 Sep - 12 Oct Air China
19 Sep - 14 Oct Air China
20 Sep - 15 Oct Air China
19 Sep - 11 Oct Air China
14 Sep - 18 Oct Air China
10 Sep - 18 Oct Air China
09 Sep - 13 Sep Hainan Airlines
04 Sep - 13 Sep Hainan Airlines
02 Sep - 13 Sep Hainan Airlines
21 Sep - 30 Sep Shenzhen Airlines
16 Sep - 23 Sep Shenzhen Airlines
18 Sep - 23 Sep Shenzhen Airlines
14 Sep - 23 Sep Shenzhen Airlines
21 Sep - 23 Sep Shenzhen Airlines
13 Sep - 23 Sep Shenzhen Airlines
09 Sep - 16 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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