Cheapest return flights from London to Hanoi in September from 423€

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

Return flights

24 Sep - 12 Oct Air China
24 Sep - 13 Oct Air China
28 Sep - 15 Oct Shenzhen Airlines
22 Sep - 05 Oct Shenzhen Airlines
24 Sep - 05 Oct Shenzhen Airlines
22 Sep - 10 Oct Shenzhen Airlines
21 Sep - 18 Oct Shenzhen Airlines
22 Sep - 15 Oct Shenzhen Airlines
22 Sep - 22 Oct Shenzhen Airlines
21 Sep - 12 Oct Shenzhen Airlines
22 Sep - 30 Sep China Eastern
21 Sep - 30 Sep Shenzhen Airlines
20 Sep - 30 Sep Shenzhen Airlines
22 Sep - 27 Sep Air China
21 Sep - 26 Sep Shenzhen Airlines
19 Sep - 29 Sep Shenzhen Airlines
23 Sep - 30 Sep Wizz Air UK
23 Sep - 29 Sep Wizz Air UK
24 Sep - 29 Sep Wizz Air UK
22 Sep - 29 Sep China Southern

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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