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
13/10/25
3 Stopovers (BGY, SHJ, BKK)
FR3674, G90794, G90821, VJ0904
30h 55min
Return
15/10/25
2 Stopovers (SIN, VIE)
TR0301, TR0710, FR7348
35h 05min
Ryanair, Air Arabia, VietJet Air
£682
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 (SZX)
ZH0888, ZH0105
37h 35min
Return
11/11/25
1 Stopover (SZX)
ZH0106, ZH0887
31h 30min
Shenzhen Airlines
£519
London
Hanoi
Outbound
20/10/25
1 Stopover (SZX)
ZH0888, ZH0107
21h 05min
Return
11/11/25
1 Stopover (SZX)
ZH0104, ZH0887
35h 15min
Shenzhen Airlines
£531
London
Hanoi
Outbound
20/10/25
1 Stopover (SZX)
ZH0888, ZH0107
21h 05min
Return
11/11/25
1 Stopover (SZX)
ZH0106, ZH0887
31h 30min
Shenzhen Airlines
£533
London
Hanoi
Outbound
20/10/25
1 Stopover (SZX)
ZH0888, ZH0107
21h 05min
Return
11/11/25
1 Stopover (SZX)
ZH0106, ZH0887
31h 30min
Shenzhen Airlines
£536
London
Hanoi
Outbound
20/10/25
1 Stopover (SZX)
ZH0888, ZH0107
21h 05min
Return
11/11/25
1 Stopover (SZX)
ZH0106, ZH0887
31h 30min
Shenzhen Airlines ?
£545
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
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