Cheap Flights from Hanoi to London Heathrow

Compare Hanoi to London Heathrow flight deals

Find the cheapest month or even day of the year to fly to London Heathrow

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Flight deals from Hanoi to London Heathrow

Looking for a cheap last-minute deal or the best return flight from Hanoi to London Heathrow? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Hanoi to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hanoi to London Heathrow flights are currently cheapest in November.

Direct flights from Hanoi to London Heathrow

Hanoi to London Heathrow: Alternative routes

Compare routes from Hanoi to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

Hanoi to London: Flight information

The things to know before you go.
Cheapest flight foundR 4,629
Cheapest month to flyNovember
Average flight time12 hrs, 50 mins
Most popular airlineVietnam Airlines
Average flights per week6

Finding cheap flights from Hanoi to London Heathrow: Frequently asked questions

The best price we found for a return flight from Hanoi to London Heathrow is R 10,536. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
12 hours and 50 minutes is the average flight time from Hanoi to London Heathrow.
Vietnam Airlines, Air Cambodia and Scandinavian Airlines fly direct from Hanoi to London Heathrow.
As of September 2025, there are 6 flights per week flying from Hanoi to London Heathrow.
The cheapest month to fly from Hanoi to London Heathrow is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hanoi Airport to London Heathrow Airport on Sunday, 9 November 2025.
Yes – the average flight time is 12 hours and 50 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, China Southern and Vietnam Airlines offer the cheapest flight tickets to London Heathrow.

Flying from Noi Bai International Airport (HAN) to London Heathrow Airport (LHR): what you need to know

  • Around 12 hours 55 minutes is how long you can expect to be travelling on a direct flight from Noi Bai International Airport to London Heathrow Airport.

  • London is seven hours behind Hanoi and observes the UTC+0 timezone.

  • Take your pick of four weekly Noi Bai International Airport to London Heathrow Airport flights. The 01:10 departure with Vietnam Airlines is the earliest available. Vietnam Airlines operates the last service of the day at 10:40.

  • Leave plenty of time to catch your HAN to LHR flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect bigger queues during popular months like July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a smart move.

  • Vietnam Airlines has direct flights from Noi Bai International Airport to London Heathrow Airport. Book with this popular airline, then get ready to discover the sights in London — and maybe even more of United Kingdom if your schedule allows.

  • The majority of travellers choose to fly with Vietnam Airlines on this route.

  • Among carriers operating HAN to LHR flights, Vietnam Airlines leads the way for on-time arrivals.

  • If you want to split up your journey, simply deselect 'Direct flights only' when searching for your ticket from Noi Bai International Airport to London Heathrow Airport. These are the most popular stopovers between HAN and LHR:

    • Frankfurt Airport

    • Charles de Gaulle Airport

    • Franz Josef Strauss Airport

How to find the cheapest flights from Noi Bai International Airport (HAN) to London Heathrow Airport (LHR)

  • R 4,629 is currently the best price for a one-way Noi Bai International Airport to London Heathrow Airport flight. Return flights start from R 10,536. These prices may change depending on demand and availability.

  • To secure cheap tickets from HAN to LHR, book your journey seven months before your planned departure.

  • The cheapest month for flights from Noi Bai International Airport to London Heathrow Airport is June. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

  • Save time looking for cheap flights from HAN to LHR by creating a Price Alert. We'll send you an email or push notification on the app when a new low fare is offered.

  • Tailor your trip using filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Noi Bai International Airport to London Heathrow Airport.

Handy information about Noi Bai International Airport (HAN)

  • Of the departures from Noi Bai International Airport, 75.32% land on schedule at their destination.

  • Central Hanoi to Noi Bai International Airport is around 26 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Planning to catch public transport? Expect a journey time of around 1 hour 55 minutes.

  • Get your trip off to a stress-free start by staying near HAN. Whether you have an early flight from Noi Bai International Airport to London Heathrow Airport or just don't want to be rushed, these stays are the answer:

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 55 minutes to drive to the centre.

  • If you're travelling by public transport, expect a journey time of around 1 hour.

When to fly to London Heathrow Airport (LHR)

  • July is the most popular month for flights from Noi Bai International Airport to London Heathrow Airport. To skip the crowds, go to London in February.

  • The warmest month in London is July, with the temperature ranging between 11ºC (52ºF) and 26ºC (79ºF). Book your flights from Noi Bai International Airport to London Heathrow Airport in this month if this is the kind of weather you like.

  • Look for cheap tickets from HAN to LHR in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

Explore more of United Kingdom

  • You've visited London, now it's time to explore more of United Kingdom. Travel around 161 kilometres north-west to Birmingham to tick off its leading sights. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you on the go.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. No visit is complete without checking out Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.