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
16/06/26
1 Stopover (PEK)
CA0852, CA0741
17h 20min
Return
-
Air China
£269
Best option
London
Hanoi
Outbound
07/04/26
1 Stopover (PEK)
CA0852, CA0741
17h 20min
Return
08/05/26
1 Stopover (PVG)
CA0756, CA0847
19h 00min
Air China
£454
London
Hanoi
Please note: transfer for connecting flight
Outbound
22/12/25
3 Stopovers (MXP, PVG, WUH)
FR2757, MU0244, MU2524, MU2573
35h 05min
Return
10/01/26
3 Stopovers (KMG, XIY, MXP)
MU9606, MU0874, MU5013, FR8718
31h 50min
Ryanair, China Eastern Airlines
£712
London
Hanoi
Outbound
07/04/26
1 Stopover (PVG)
CA0848, CA0755
23h 05min
Return
08/05/26
1 Stopover (PEK)
CA0742, CA0851
23h 10min
Air China
£456
London
Hanoi
Outbound
07/04/26
1 Stopover (PVG)
MU0214, MU5075
25h 20min
Return
08/05/26
1 Stopover (PVG)
MU5076, MU0213
18h 50min
China Eastern Airlines
£462
London
Hanoi
Outbound
07/04/26
1 Stopover (PVG)
CA0848, CA0755
23h 05min
Return
08/05/26
1 Stopover (PEK)
CA0742, CA0851
23h 10min
Air China ?
£497
London
Hanoi
Outbound
09/12/25
2 Stopovers (CDG, PEK)
U28411, CA0934, CA0741
46h 45min
Return
30/12/25
1 Stopover (IST)
TK0253, TK1929
20h 40min
easyJet, Air China
£537
found yesterday
London
Hanoi
Outbound
19/02/26
1 Stopover (PVG)
CA0848, CA0755
22h 00min
Return
22/02/26
2 Stopovers (SIN, ATH)
TR0301, TR0050, GQ0700
33h 35min
Air China
£564
London
Hanoi
Outbound
19/02/26
1 Stopover (PVG)
CA0848, CA0755
22h 00min
Return
22/02/26
2 Stopovers (DEL, DXB)
VN0981, EK0515, EK0011
42h 55min
Air China
£584
London
Hanoi
Outbound
07/04/26
1 Stopover (CAN)
CZ0304, CZ3049
30h 35min
Return
08/05/26
1 Stopover (CAN)
CZ8178, CZ0303
31h 00min
China Southern Airlines
£586
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

Cheapest outbound flight from £ 268,10
Outbound and return from £ 454,00
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