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	Baggage	Price
London Hanoi	Outbound 04/09/25 1 Stopover (DOH) QR0330, QR0982 16h 15min	Return 11/09/25 1 Stopover (DOH) QR0983, QR0327 34h 40min	Qatar Airways	?	£650	Offers unavailable
London Hanoi	Outbound 05/09/25 1 Stopover (DOH) QR0330, QR0982 16h 15min	Return 12/09/25 1 Stopover (DOH) BA6340, BA4481 34h 40min	Qatar Airways		£709 found 3 days ago
London Hanoi	Outbound 08/12/25 1 Stopover (DOH) QR0110, QR0984 22h 30min	Return 24/12/25 1 Stopover (DOH) QR0977, QR0011 18h 15min	Qatar Airways	?	£727

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 Qatar Airways

Our cheapest offers for flights from London to Hanoi

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

Hanoi-Noibai

Qatar Airways

Important flight information

Flight information: London - Hanoi

Alternative routes to Vietnam

Alternative flights to Hanoi

Flight destinations with a similar price