AirHint found the following cheapest return flights from Hong Kong (HKG) to London (LHR)
in September 2025 (see full year ).
Return flights
22 Sep
- 29 Sep
Finnair
$ 646
17 Sep
- 24 Sep
Singapore Airlines
$ 659
20 Sep
- 23 Sep
Singapore Airlines
$ 659
16 Sep
- 24 Sep
Singapore Airlines
$ 674
16 Sep
- 25 Sep
Singapore Airlines
$ 674
16 Sep
- 23 Sep
Singapore Airlines
$ 674
17 Sep
- 21 Sep
Singapore Airlines
$ 674
16 Sep
- 21 Sep
Singapore Airlines
$ 676
22 Sep
- 20 Oct
Finnair
$ 700
11 Sep
- 21 Sep
Singapore Airlines
$ 715
08 Sep
- 25 Sep
Singapore Airlines
$ 715
21 Sep
- 19 Oct
Finnair
$ 748
18 Sep
- 06 Oct
Turkish Airlines
$ 751
25 Sep
- 09 Oct
Turkish Airlines
$ 751
27 Sep
- 05 Oct
Singapore Airlines
$ 752
26 Sep
- 06 Oct
Singapore Airlines
$ 752
25 Sep
- 05 Oct
Turkish Airlines
$ 767
17 Sep
- 02 Oct
British Airways
$ 767
direct
27 Sep
- 06 Oct
Singapore Airlines
$ 769
21 Sep
- 08 Oct
Singapore Airlines
$ 779
Also check the deals for one-way flights from Hong Kong to London in September .
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.