Cheapest return flights from London to Hanoi in September from $806

Best time to book flights for London (LON) to Hanoi (HAN) flights at AirHint

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

Return flights

14 Sep - 08 Oct Ryanair
02 Sep - 18 Sep Air China
12 Sep - 26 Sep Ryanair
23 Sep - 30 Sep Turkish Airlines
30 Sep - 07 Oct Turkish Airlines
18 Sep - 30 Sep Singapore Airlines
01 Sep - 22 Sep Singapore Airlines
08 Sep - 30 Sep Singapore Airlines
08 Sep - 25 Sep Singapore Airlines
09 Sep - 26 Sep Singapore Airlines
15 Sep - 29 Sep Singapore Airlines
22 Sep - 29 Sep Singapore Airlines
23 Sep - 10 Oct Singapore Airlines
22 Sep - 05 Oct Singapore Airlines
02 Sep - 02 Oct Singapore Airlines
19 Sep - 03 Oct Wizz Air Malta
18 Sep - 02 Oct Turkish Airlines
18 Sep - 02 Oct Vietnam Airlines direct
11 Sep - 03 Oct Turkish Airlines
20 Sep - 05 Oct easyJet

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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