Cheap Flights from Hanoi to London

Cheapest flight found	ج.م.‏ 12,432
Cheapest month to fly	April
Average flight time	12 hrs, 58 mins
Most popular airline	Cambodia Angkor Air
Average flights per week	15

Finding cheap flights from Hanoi to London: Frequently asked questions

How many airports are there in London?

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.

How much are return flights from Hanoi to London?

The best price we found for a return flight from Hanoi to London is ج.م.‏ 33,359. 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.

How long does it take to fly from Hanoi to London?

12 hours and 58 minutes is the average flight time from Hanoi to London.

Which airlines fly direct from Hanoi to London?

Cambodia Angkor Air and Vietnam Airlines fly direct from Hanoi to London.

How many flights are there a week from Hanoi to London?

As of March 2025, there are 15 flights per week flying from Hanoi to London.

When is the cheapest time to fly from Hanoi to London?

The cheapest month to fly from Hanoi to London is usually March 2025.

Which is the cheapest airport to fly into in London?

If you're flying from Hanoi Airport, the cheapest airport near London is London Gatwick – which is 40.3 km away from the centre of London. We've found flights into this airport from ج.م.‏ 33,359.

Which upcoming date is cheapest to fly from Hanoi Airport to London on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hanoi Airport to London on Sunday, 6 April 2025.

Can I get a direct flight from Hanoi Airport to London?

Yes – the average flight time is 12 hours and 58 minutes.

How can I get the best flight deal from Hanoi Airport to London?

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 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.

When is the best time to book flights to London?

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.

What’s the weather like in London?

In March, the average temperature is usually around 6°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.

Which is the cheapest airline to fly from Hanoi Airport to London with?

Currently, China Eastern and Vietnam Airlines offer the cheapest flight tickets to London.

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

Book a direct flight from Noi Bai International Airport to London and you'll be travelling for around 11 hours 52 minutes.
London is 7 hours behind Hanoi, where Noi Bai International Airport is located. London operates on the UTC+0 timezone.
Noi Bai International Airport (HAN) to London Heathrow Airport (LHR) is the most popular route, with 4 flights a week to pick from. If you have things to finalize before heading off, the last flight from HAN to LHR is with Vietnam Airlines at 10:40. Opt for the first departure operated by Vietnam Airlines at 01:10 if you want to get going early.
To ensure you get on your flight from HAN to London, leave enough time to check in and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.
Flying during a popular month like July? School holidays and other popular periods can mean longer queues and delays at check-in and security. Be extra cautious and arrive up to four hours before an international flight and two hours before a domestic departure.
You can catch a direct flight from Noi Bai International Airport to London. Begin your trip at HAN and land at London Heathrow Airport (LHR).
Look out for promotions from Vietnam Airlines. This airline operates direct flights from Noi Bai International Airport to London.
We make it easy to find a flight from HAN to London that includes a stopover. To see all your options, deselect 'Direct flights only.' Then, simply pick a flight offering a stop long enough to explore the city of your choice. Top stopovers include:
- Frankfurt Airport (FRA)
- Franz Josef Strauss Airport (MUC)
- Charles de Gaulle Airport (CDG)
If you have a passport from Vietnam, you'll need an embassy visa to enter United Kingdom. This applies when booking a cheap ticket from Noi Bai International Airport to London for tourism purposes. Requirements may change if you're travelling for work or other reasons. Always check the visa rules before you book and certainly before flying.
HAN is around 26 kilometres from central Hanoi. If you're catching a cab, driving or ride-sharing from the centre, it'll take 35 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be approximately 1 hour and 56 minutes.
Catching an early flight from Noi Bai International Airport to London? Avoid the hassle of rushing to the airport (and get some extra shut-eye) by choosing one of these stays close to HAN:

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

ج.م.‏ 12,432 is the best price for a one-way ticket from Noi Bai International Airport to London. A return flight starts at ج.م.‏ 33,359. These prices may change depending on demand.
Score cheap tickets from HAN to London by booking at least 10 months ahead. Based on our research, that's the sweet spot for landing a bargain.
June is the cheapest month for tickets from Noi Bai International Airport to London. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.
Locking in a cheap ticket from HAN to London is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when there's a better deal.
Make the most of the filters to find your ideal journey. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Noi Bai International Airport to London, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and number of stops.

Airports in London

London Heathrow Airport (LHR)

London Heathrow Airport (LHR) to central London takes about 57 minutes by car. It's approximately 31 kilometres away.
If you're travelling on public transport, expect a journey time of around 1 hour and 1 minute.
The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Noi Bai International Airport to London. Book one of these accommodation options near LHR instead:

London Gatwick Airport (LGW)

As soon as your flight from Noi Bai International Airport to London has hit the runway, you can get to the city centre in about 1 hour and 19 minutes by car. Central London is roughly 80 kilometres from London Gatwick Airport (LGW).
Public transport will get you there in about 1 hour and 26 minutes.
There are some great places where you can make a pit stop near LGW. Tuck yourself in and get cosy after your flight from HAN to London at one of these perfectly located options:

Best time to go to London

July is the busiest month to board a flight from Noi Bai International Airport to London while February is the quietest. To work out the best time to go to London, consider your preferred travel pace and style.
When booking your flight from Noi Bai International Airport to London, think about the type of weather you enjoy. July is the warmest month in London, with temperatures ranging from 11ºC to 26ºC.
Look for cheap flights from HAN to London in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 9ºC on average.

More about London

Start your London trip right by choosing the perfect place to stay. After booking your flight from Noi Bai International Airport to London, browse our selection of accommodation options including:
Big Ben and The British Museum are just two of the big attractions to add to your London to-do list. Keep the momentum going by heading to Buckingham Palace.

Complete your London trip with a car rental

Pick one of our car rentals in London and see the sights at your own pace. Easily compare rates in one go to find the ideal ride once you've booked your hotel and cheap flights from Noi Bai International Airport to London.