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
Please note: transfer for connecting flight
Outbound
07/03/26
2 Stopovers (ATH, DEL)
FR0015, 6E1902, 6E1633
21h 30min
Return
-
Ryanair, IndiGo Airlines
£217
found 2 days ago
London
Hanoi
Outbound
31/01/26
2 Stopovers (PVG, SZX)
CA0848, CA3724, CA7913
43h 50min
Return
03/02/26
1 Stopover (PEK)
CA0742, CA0851
23h 15min
Air China
£385
Best option
London
Hanoi
Outbound
31/01/26
1 Stopover (PVG)
CA0848, CA0703
17h 10min
Return
03/02/26
1 Stopover (PVG)
CA0756, CA0847
19h 40min
Air China
£407
London
Hanoi
Please note: transfer for connecting flight
Outbound
21/02/26
2 Stopovers (ATH, DEL)
FR0015, 6E1902, 6E1633
21h 30min
Return
07/03/26
2 Stopovers (DEL, ATH)
6E1634, 6E1901, FR0014
30h 50min
Ryanair, IndiGo Airlines
£429
London
Hanoi
Outbound
03/02/26
1 Stopover (PVG)
MU0202, MU6013
24h 15min
Return
11/02/26
1 Stopover (PVG)
MU5076, MU0213
18h 15min
China Eastern Airlines ?
£387
London
Hanoi
Outbound
31/01/26
2 Stopovers (PVG, SZX)
CA0848, CA3724, CA7913
43h 50min
Return
03/02/26
1 Stopover (PEK)
CA0742, CA0851
23h 15min
Air China
£394
London
Hanoi
Outbound
03/02/26
1 Stopover (PVG)
MU0552, MU5075
21h 45min
Return
11/02/26
1 Stopover (PVG)
MU7236, MU0551
20h 10min
China Eastern Airlines
£396
London
Hanoi
Outbound
31/01/26
1 Stopover (PVG)
CA0848, CA0755
22h 35min
Return
03/02/26
1 Stopover (PEK)
CA0742, CA0851
23h 15min
Air China
£399
London
Hanoi
Outbound
31/01/26
1 Stopover (PVG)
CA0848, CA0703
17h 10min
Return
03/02/26
1 Stopover (PVG)
CA0704, CA0847
25h 30min
Air China
£404
London
Hanoi
Outbound
25/04/26
1 Stopover (PVG)
CA0848, CA0755
23h 05min
Return
05/05/26
1 Stopover (PEK)
CA0742, CA0851
23h 10min
Air China
£412
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 GBP
29 %
1 stopover Istanbul
19h 40min, from 1.248 GBP
24 %
1 stopover Shenzhen
20h 55min, from 626 GBP
19 %

Important flight information

Flight information: London - Hanoi

Cheapest outbound flight from 216,75 GBP
Outbound and return from 384,99 GBP
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