Cheapest return flights from London to Hanoi in September from $923

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

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

Return flights

12 Sep - 19 Sep Virgin Atlantic
18 Sep - 30 Sep Turkish Airlines
18 Sep - 25 Sep Turkish Airlines
23 Sep - 30 Sep Turkish Airlines
30 Sep - 07 Oct Turkish Airlines
01 Sep - 22 Sep Singapore Airlines
02 Sep - 02 Oct Singapore Airlines
23 Sep - 10 Oct Turkish Airlines
02 Sep - 18 Sep Air China
13 Sep - 26 Sep Air China
08 Sep - 25 Sep Cathay Pacific
09 Sep - 26 Sep Cathay Pacific
01 Sep - 18 Sep Cathay Pacific
22 Sep - 05 Oct Turkish Airlines
18 Sep - 02 Oct Vietnam Airlines direct
14 Sep - 08 Oct Qatar Airways
11 Sep - 03 Oct Qatar Airways
19 Sep - 03 Oct Qatar Airways
13 Sep - 04 Oct Qatar Airways
20 Sep - 05 Oct British Airways

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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