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
$ 923
18 Sep
- 30 Sep
Turkish Airlines
$ 934
18 Sep
- 25 Sep
Turkish Airlines
$ 935
23 Sep
- 30 Sep
Turkish Airlines
$ 935
30 Sep
- 07 Oct
Turkish Airlines
$ 935
01 Sep
- 22 Sep
Singapore Airlines
$ 938
02 Sep
- 02 Oct
Singapore Airlines
$ 939
23 Sep
- 10 Oct
Turkish Airlines
$ 947
02 Sep
- 18 Sep
Air China
$ 950
13 Sep
- 26 Sep
Air China
$ 950
08 Sep
- 25 Sep
Cathay Pacific
$ 955
09 Sep
- 26 Sep
Cathay Pacific
$ 955
01 Sep
- 18 Sep
Cathay Pacific
$ 955
22 Sep
- 05 Oct
Turkish Airlines
$ 973
18 Sep
- 02 Oct
Vietnam Airlines
$ 1015
direct
14 Sep
- 08 Oct
Qatar Airways
$ 1215
11 Sep
- 03 Oct
Qatar Airways
$ 1246
19 Sep
- 03 Oct
Qatar Airways
$ 1247
13 Sep
- 04 Oct
Qatar Airways
$ 1278
20 Sep
- 05 Oct
British Airways
$ 1654
Also check the deals for one-way flights from London to Hanoi 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.