Cheapest return flights from London to Hanoi in September from $602

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

19 Sep - 24 Oct Air China
21 Sep - 26 Oct Air China
20 Sep - 04 Oct Air China
18 Sep - 04 Oct Air China
09 Sep - 26 Sep Wizz Air UK
09 Sep - 23 Sep Wizz Air UK
10 Sep - 24 Sep Air China
07 Sep - 24 Sep Air China
08 Sep - 24 Sep Air China
17 Sep - 24 Sep Air China
15 Sep - 24 Sep Air China
14 Sep - 24 Sep Air China
07 Sep - 26 Sep Singapore Airlines
08 Sep - 18 Sep Singapore Airlines
21 Sep - 07 Oct Singapore Airlines
14 Sep - 01 Oct Singapore Airlines
21 Sep - 05 Oct Singapore Airlines
17 Sep - 06 Oct Singapore Airlines
15 Sep - 01 Oct Air China
22 Sep - 08 Oct China Southern

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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