Flights from London to Hanoi

Our cheapest offers for flights from London to Hanoi

Here you can compare cheap flights from London (LON) to Hanoi (HAN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Hanoi. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
London
Hanoi
Outbound
20/10/25
1 Stopover (SZX)
ZH0888, ZH0105
37h 35min
Return
11/11/25
1 Stopover (SZX)
ZH0106, ZH0887
31h 30min
Shenzhen Airlines
£515
London
Hanoi
Pay attention to transfer at connecting flight
Outbound
11/09/25
3 Stopovers (DUB, IST, DEL)
FR0210, 6E4202, 6E0012, VN0980
40h 25min
Return
15/09/25
2 Stopovers (PVG, FRA, HHN)
MU6012, MU0219, FR1748
30h 00min
Ryanair, IndiGo Airlines, Vietnam Airlines
£658
Best option
London
Hanoi
Outbound
13/10/25
direct
VN0056
11h 45min
Return
15/10/25
1 Stopover (SGN)
VN0221, VN0051
25h 55min
Vietnam Airlines ?
£882
London
Hanoi
Outbound
20/10/25
1 Stopover (CAN)
CZ0304, CZ0371
19h 05min
Return
11/11/25
1 Stopover (CAN)
CZ8316, CZ0303
33h 30min
China Southern Airlines
£629
London
Hanoi
Outbound
20/10/25
1 Stopover (PEK)
CA0852, CA0741
17h 20min
Return
11/11/25
1 Stopover (PVG)
CA0756, CA0847
19h 40min
Air China
£643
London
Hanoi
Outbound
03/09/25
1 Stopover (PVG)
MU0552, MU5075
22h 00min
Return
15/09/25
2 Stopovers (BKK, MCT)
TG0561, WY0816, WY0101
38h 35min
China Eastern Airlines
£706
London
Hanoi
Outbound
03/09/25
2 Stopovers (MCT, BKK)
WY0102, WY0815, WY5912
30h 45min
Return
15/09/25
2 Stopovers (BKK, MCT)
TG0561, WY0816, WY0101
38h 35min
Oman Air
£723
London
Hanoi
Outbound
11/09/25
1 Stopover (HKG)
CX0254, CX0743
37h 50min
Return
15/09/25
1 Stopover (HKG)
CX0742, CX0239
29h 10min
Cathay Pacific Airways
£741
London
Hanoi
Outbound
13/10/25
1 Stopover (DOH)
QR0330, QR0982
16h 15min
Return
15/10/25
1 Stopover (PVG)
CA0704, CA0847
24h 35min
Qatar Airways
£749
London
Hanoi
Outbound
11/09/25
1 Stopover (PVG)
MU0214, MU5075
25h 20min
Return
15/09/25
1 Stopover (DOH)
QR0983, QR0327
34h 40min
China Eastern Airlines
£769
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London to Hanoi

Favourite airline: Wizz Air UK
Most travellers looking for flights on the route from London to Hanoi decide to book with Wizz Air UK.
Wizz Air UK
22 %
China Southern
13 %
Emirates
13 %
Favourite connection: via Guangzhou
When booking flights from London to Hanoi 29 % of travellers prefer to fly via Guangzhou.
Route
bookings
1 stopover Guangzhou Baiyun
19h 05min, from £677
29 %
1 stopover Istanbul
19h 40min, from £1,248
24 %
1 stopover Shenzhen
20h 55min, from £626
19 %

Important flight information

Flight information: London - Hanoi

Outbound and return from £514.15
Flight duration min. 11:20
Return flight duration min. 12:30
Distance 9229 km
Flights per week 4
Departure airport Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport Airport Hanoi-Noibai (HAN)
Destination country Flights to Vietnam
Alternative routes to Vietnam
Alternative flights to Hanoi
Flight destinations with a similar price