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Cheap flights from London to Hanoi from £302

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HAN
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from London to Hanoi Noibai are usually found in November or May, booked 74 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from London to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Hanoi (HAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 April 2025.

Round-trip from

£426

One-way from

£302

Popular in

July

Cheapest in

November

Average price

£738

Good round-trip deal

£667 or less

Good one-way deal

£493 or less
Air China
  • Air China
  • 19/9-13/10
  • 2 total stops
  • 40h 30m total
  • London to Hanoi
28/8
  • 28/8
  • 3 total stops
  • 41h 15m total
  • London to Hanoi
Highest demand for flights based on searches. 13% potential increase in price (£78 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from London (LON) to Hanoi Noibai.
Price to beat on a one-way flight from London (LON) to Hanoi Noibai.

Find flight deals from London to Hanoi

Cheapest flights from London to Hanoi
Explore the most affordable flight options available from London to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Fri 19/912:35LGW - HAN
1 stop17h 20mAir China
Mon 13/1013:25HAN - LGW
1 stop23h 10mAir China
Deal found 28/4£426
Mon 26/522:10LHR - HAN
1 stop30h 35mChina Southern
Tue 3/614:40HAN - LHR
2 stops31h 35mChina Southern
Deal found 28/4£429
Tue 27/520:25LHR - HAN
1 stop33h 30mAir China
Mon 9/613:25HAN - LHR
1 stop37h 05mAir China
Deal found 28/4£430
Mon 22/922:05LHR - HAN
1 stop28h 35mShenzhen Airlines
Fri 10/1002:10HAN - LHR
1 stop23h 40mShenzhen Airlines
Deal found 28/4£438
Thu 1/511:35LGW - HAN
1 stop31h 45mChina Eastern
Tue 13/502:20HAN - LGW
1 stop18h 40mChina Eastern
Deal found 28/4£448
Mon 22/912:00LGW - HAN
2 stops24h 55mChina Southern
Thu 9/1017:45HAN - LGW
1 stop19h 25mChina Southern
Deal found 28/4£463
Thu 1/521:20LHR - HAN
1 stop22h 00mChina Eastern
Mon 12/502:20HAN - LHR
1 stop22h 20mChina Eastern
Deal found 28/4£492
Mon 26/520:25LHR - HAN
1 stop33h 30mMultiple Airlines
Mon 2/602:10HAN - LHR
2 stops21h 35mMultiple Airlines
Deal found 28/4£535
Mon 9/612:35LGW - HAN
2 stops29h 10mMultiple Airlines
Tue 17/600:45HAN - LGW
2 stops35h 50mMultiple Airlines
Deal found 28/4£541
Mon 22/907:30STN - HAN
3 stops26h 20mMultiple Airlines
Thu 9/1012:55HAN - STN
3 stops41h 50mMultiple Airlines
Deal found 28/4£558
Mon 12/515:40LTN - HAN
3 stops27h 55mMultiple Airlines
Wed 14/502:20HAN - LTN
3 stops35h 25mMultiple Airlines
Deal found 28/4£568
Mon 29/909:00LGW - HAN
1 stop16h 15mQatar Airways
Thu 16/1019:30HAN - LGW
1 stop23h 55mQatar Airways
Deal found 28/4£641

Cheapflights Fare Finder

Customise your flight search to find flights from London to Hanoi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 April 2025.
Use the filters below to find and compare flights from London to Hanoi that are best for you.

Fly from

London

Fly to

Hanoi

Route

Depart

Return

Price

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 19/9

12:35-11:55

1 stop17h 20m

Hanoi Noibai

Mon 13/10

13:25-06:35

1 stop23h 10m

£426

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 26/5

22:10-10:45

1 stop30h 35m

Hanoi Noibai

Tue 3/6

14:40-16:15

2 stops31h 35m

£429

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 27/5

20:25-11:55

1 stop33h 30m

Hanoi Noibai

Mon 9/6

13:25-20:30

1 stop37h 05m

£430

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 22/9

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Thu 9/10

02:10-20:00

1 stop23h 50m

£438

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Mon 22/9

12:00-18:55

2 stops24h 55m

Hanoi Noibai

Thu 9/10

17:45-07:10

1 stop19h 25m

£463

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Mon 22/9

18:05-01:20

1 stop25h 15m

Hanoi Noibai

Fri 10/10

02:20-15:00

1 stop18h 40m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 22/9

21:20-01:20

1 stop22h 00m

Hanoi Noibai

Wed 8/10

15:00-18:40

1 stop33h 40m

£529

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 26/5

20:25-11:55

1 stop33h 30m

Hanoi Noibai

Mon 2/6

02:10-17:45

2 stops21h 35m

£535

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Mon 9/6

12:35-23:45

2 stops29h 10m

Hanoi Noibai

Tue 17/6

00:45-06:35

2 stops35h 50m

£541

LondonHanoi

STN - HAN

STNHAN

London Stansted

Mon 22/9

07:30-15:50

3 stops26h 20m

Hanoi Noibai

Thu 9/10

12:55-00:45

3 stops41h 50m

£558

Flights are sorted by cheapest return flights first.

Deals found on 28/4

Showing 1-10 of 47 results
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Best time to book a flight from London to Hanoi

Have a flexible travel schedule? Discover the best time to fly to Hanoi from London with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Hanoi

How far ahead should I book a flight from London to Hanoi?

Use this chart to determine the optimal time to book a return flight from London to Hanoi. Price data was last updated on 25 April 2025.

To ensure you get the cheapest price possible for a flight from London to Hanoi, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Hanoi?

Currently, May is the cheapest month in which you can book a flight from London to Hanoi (average of £793). Flying from London to Hanoi in December is currently the most expensive (average of £1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to HAN?

Find hourly flight availability from London to Hanoi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

When flying from London to Hanoi, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight in the morning.

What is the cheapest day to fly from London to Hanoi?

Use this chart to determine the cheapest time to fly return from London to Hanoi. Price data was last updated on 30 June 2024.

Travellers seeking maximum savings on their London to Hanoi flight should consider departing on Sunday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.0 C).

Reviews of airlines servicing Hanoi

Get insights into the airlines that provide service to Hanoi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hanoi. Reviews last updated 29 April 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, Emirates and KLM from London to Hanoi to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Comfort

7.9

Food

7.7

Overall

8.1

Entertainment

8.0

Boarding

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

Find useful and relevant information for your journey from London to Hanoi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Hanoi from London?

    Located just 14.2 mi from the city center, Hanoi Noibai is the airport most travelers will use when flying to Hanoi from London. Booking flights from London to Noibai (HAN) should be relatively easy as there are 0 daily inbound flights from London from 17 different airlines.

  • What are the cheapest airlines flying from London to Hanoi round-trip?

    Flying on Air China is currently your cheapest option to Hanoi, with prices starting at £426. Additional return tickets that might be worth considering are offered by China Southern and Shenzhen Airlines, with the lowest prices starting at £429 and £438, respectively. These flights start at 35% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London to Hanoi one-way?

    The cheapest airline one-way is Shenzhen Airlines, with whom users have recently found tickets for as low as £318. However, be on the lookout for offers from Air China and China Eastern, as they are both options that can get you from London to Hanoi for a low price.

  • What are the most popular routes from London to Hanoi?

  • What are the cheapest flights from London to Hanoi?

    While on average a flight from London to Hanoi is generally £985, our data shows the cheapest flight currently is £456. When looking at the most popular route, (London Heathrow - Hanoi Noibai), you can expect to pay £438 for that flight.

  • Where are the most common stopover locations when flying from London to Hanoi?

  • What are some popular things to do or see while on a stopover in Guangzhou?

    The majority of Guangzhou visitors spend their time at Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo. Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo can be visited by traveling about 17.3 mi, 19.5 mi, and 17.2 mi respectively from Guangzhou Baiyun.

  • Where are the least popular stopover locations for London to Hanoi flights?

  • Can I find deals for flights from London to Hanoi that include hotel bookings?

    Yes. In addition to deals on London to Hanoi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Hanoi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Hanoi.

  • Can I find deals for business class flights from London to Hanoi?

    Yes. Cheapflights offers flight deals from London to Hanoi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Hanoi?

    Currently, May is the cheapest month in which you can book a flight from London to Hanoi (average of £793). Flying from London to Hanoi in December is currently the most expensive (average of £1,137). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Hanoi on these airlines

Choose from the following airlines for your flight from London to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 29 April 2025.

Top 10 airlines flying from London to Hanoi

Discover the top 10 airlines that operate flights from London to Hanoi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£373Average£465FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£396Average£456FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£420Average£541FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£432Average£623FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£545Average£654FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£564Average£706FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Virgin AtlanticCheapest£567Average£695FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Cathay PacificCheapest£573Average£722FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Air FranceCheapest£581Average£648FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapest£582Average£719FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Hanoi?

Deals for London to Hanoi flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Hanoi?

Cheapflights simply makes it quick and affordable to book flights from London to Hanoi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Hanoi with no change fees?

Certainly. Search results for flights to Hanoi from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Hanoi become cheaper?

Yes! Start tracking prices for London to Hanoi flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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