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 08/12/25 3 Stopovers (ZRH, VIE, SIN) LX0345, LX3554, TR0711, TR0300 43h 45min	Return 24/12/25 1 Stopover (DXB) EK0395, EK0003 24h 55min	Swiss International Air Lines, Scoot		?	£850
London Hanoi	Outbound 08/09/25 2 Stopovers (ZRH, SIN) LX0339, LX9000, LX9036 33h 25min	Return 15/09/25 2 Stopovers (SIN, ZRH) LX9087, LX0177, LX0316 25h 15min	Swiss International Air Lines		?	£1,691

Important flight information

Flight information: London - Hanoi

Cheapest outbound flight from	393,75 £
Outbound and return from	441,00 £
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

Flight London - Saigon from 481 £

Alternative flights to Hanoi

Flight London Heathrow - Hanoi from 442 £
Flight London Gatwick - Hanoi from 394 £
Flight London City - Hanoi from 937 £
Flight London Stansted - Hanoi from 576 £
Flight London Luton - Hanoi from 664 £

Flights from London to Hanoi with Swiss International Air Lines

Our cheapest offers for flights from London to Hanoi

London (LCY, LGW, LHR, LTN, STN, SEN)

Hanoi-Noibai

Swiss International Air Lines

Important flight information

Flight information: London - Hanoi

Alternative routes to Vietnam

Alternative flights to Hanoi

Flight destinations with a similar price