Cheapest return flights from London to Hanoi in September from 377€

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

Return flights

22 Sep - 20 Oct Air China
22 Sep - 15 Oct Air China
22 Sep - 16 Oct Air China
22 Sep - 17 Oct Air China
22 Sep - 18 Oct Air China
24 Sep - 20 Oct Air China
22 Sep - 19 Oct Air China
01 Sep - 29 Oct Air China
01 Sep - 13 Oct Air China
17 Sep - 29 Oct Air China
10 Sep - 24 Sep Air China
08 Sep - 25 Sep Shenzhen Airlines
21 Sep - 26 Sep Shenzhen Airlines
03 Sep - 10 Sep Shenzhen Airlines
03 Sep - 07 Sep Shenzhen Airlines
01 Sep - 26 Sep Shenzhen Airlines
07 Sep - 10 Sep Shenzhen Airlines
17 Sep - 26 Sep Shenzhen Airlines
12 Sep - 26 Sep Shenzhen Airlines
05 Sep - 09 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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