Cheapest return flights from London to Hanoi in September from $518

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

Return flights

24 Sep - 17 Oct Air China
27 Sep - 16 Oct Shenzhen Airlines
28 Sep - 06 Oct Air China
25 Sep - 03 Oct China Eastern
26 Sep - 11 Oct China Eastern
29 Sep - 27 Oct China Eastern
30 Sep - 21 Oct China Eastern
25 Sep - 05 Oct Air China
28 Sep - 19 Oct Air China
28 Sep - 12 Oct Air China
21 Sep - 26 Sep Shenzhen Airlines
24 Sep - 30 Sep China Eastern
25 Sep - 30 Sep China Eastern
24 Sep - 29 Sep China Eastern
21 Sep - 30 Sep China Eastern
22 Sep - 29 Sep China Eastern
22 Sep - 30 Sep China Eastern
22 Sep - 28 Sep China Eastern
21 Sep - 28 Sep China Eastern
21 Sep - 29 Sep China Eastern

Also check the deals for one-way flights from London to Hanoi in September.

Skyscanner

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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