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

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

Return flights

21 Sep - 26 Oct China Eastern
21 Sep - 12 Oct Air China
21 Sep - 29 Sep Air China
11 Sep - 29 Sep Air China
08 Sep - 25 Sep Air China
08 Sep - 29 Sep Air China
07 Sep - 29 Sep Air China
27 Sep - 19 Oct China Eastern
09 Sep - 25 Sep Air China
14 Sep - 29 Sep Air China
09 Sep - 03 Oct China Eastern
12 Sep - 18 Sep Air China
11 Sep - 25 Sep Air China
17 Sep - 29 Sep Air China
27 Sep - 14 Oct China Eastern
07 Sep - 16 Oct China Eastern
21 Sep - 04 Oct Air China
24 Sep - 03 Oct Air China
20 Sep - 19 Oct Air China
21 Sep - 20 Oct Air China

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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