AirHint found the following cheapest return flights from London (LHR) to Hanoi (HAN)
in August 2025 (see full year ).
Return flights
05 Aug
- 16 Aug
Aer Lingus
$ 756
20 Aug
- 08 Sep
Cathay Pacific
$ 781
25 Aug
- 19 Sep
Singapore Airlines
$ 801
25 Aug
- 20 Sep
Singapore Airlines
$ 801
26 Aug
- 23 Sep
Singapore Airlines
$ 801
25 Aug
- 30 Sep
Singapore Airlines
$ 801
28 Aug
- 19 Sep
Singapore Airlines
$ 801
20 Aug
- 10 Sep
Singapore Airlines
$ 806
27 Aug
- 10 Sep
Singapore Airlines
$ 806
27 Aug
- 15 Sep
Singapore Airlines
$ 806
27 Aug
- 22 Sep
Singapore Airlines
$ 806
01 Aug
- 16 Aug
Aer Lingus
$ 868
05 Aug
- 12 Aug
Aer Lingus
$ 931
05 Aug
- 17 Aug
Aer Lingus
$ 943
06 Aug
- 13 Aug
Brussels Airlines
$ 953
05 Aug
- 28 Aug
Aer Lingus
$ 966
02 Aug
- 16 Aug
Air Serbia
$ 973
04 Aug
- 16 Aug
SWISS
$ 1001
20 Aug
- 31 Aug
China Airlines
$ 1056
18 Aug
- 31 Aug
China Airlines
$ 1056
Also check the deals for one-way flights from London to Hanoi in August .
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.