Cheap flights from London to Hanoi from £258

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HAN
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Hanoi Noibai are usually found in November or September, booked 52 days in advance, depart on a Monday or Sunday and return on a Friday

Find flight deals from London to Hanoi

Enter your travel dates to find the best prices.

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 7 November 2025.

Sat 22/1111:05LGW - HAN
1 stop22h 35mAir China
Sat 29/1112:25HAN - LGW
1 stop25h 30mAir China
Deal found 5/11£399
Tue 18/1111:05LGW - HAN
2 stops41h 50mAir China
Thu 27/1118:15HAN - LGW
1 stop19h 40mAir China
Deal found 6/11£400
Tue 18/1122:10LHR - HAN
2 stops30h 45mAir China
Tue 25/1113:20HAN - LHR
1 stop33h 35mAir China
Deal found 6/11£401
Fri 14/1111:05LGW - HAN
1 stop17h 10mAir China
Tue 25/1113:20HAN - LGW
2 stops24h 35mAir China
Deal found 5/11£401
Mon 10/1111:05LGW - HAN
2 stops55h 05mAir China
Thu 13/1112:25HAN - LGW
1 stop25h 30mAir China
Deal found 5/11£402
Mon 1/1211:05LGW - HAN
2 stops41h 55mAir China
Fri 6/212:25HAN - LGW
1 stop25h 30mAir China
Deal found 5/11£403
Tue 2/1211:05LGW - HAN
2 stops41h 50mAir China
Sun 14/1218:15HAN - LGW
1 stop19h 40mAir China
Deal found 5/11£404
Tue 25/1120:25LHR - HAN
1 stop32h 30mAir China
Wed 3/1213:30HAN - LHR
1 stop35h 20mAir China
Deal found 6/11£406
Wed 26/1117:40LHR - HAN
1 stop35h 20mAir China
Sun 14/1213:20HAN - LHR
1 stop35h 30mAir China
Deal found 6/11£406
Thu 6/1121:35LHR - HAN
2 stops30h 40mAir China
Thu 13/1113:20HAN - LHR
1 stop35h 30mAir China
Deal found 5/11£407
Sat 22/1111:05LGW - HAN
2 stops38h 35mAir China
Sat 6/1213:20HAN - LGW
2 stops24h 35mAir China
Deal found 6/11£408
Tue 25/1122:10LHR - HAN
2 stops30h 45mAir China
Tue 24/213:20HAN - LHR
1 stop33h 35mAir China
Deal found 6/11£409

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 7 November 2025.

Round-trip from

£399

One-way from

£258

Popular in

August

Cheapest in

November

Average price

£478

Good round-trip deal

£733 or less

Good one-way deal

£529 or less
Air China
  • Air China
  • 17/2-5/3
  • 2 total stops
  • 68h 00m total
  • London to Hanoi
20/2
  • 20/2
  • 2 total stops
  • 37h 55m total
  • London to Hanoi
Highest demand for flights based on searches. 10% potential increase in price (£59 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in November 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.

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 7 November 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

LHR - HAN

LHRHAN

London Heathrow

Thu 23/4

22:40-11:55

1 stop31h 15m

Hanoi Noibai

Fri 8/5

13:25-20:30

1 stop37h 05m

£414

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 23/11

11:05-01:10

2 stops31h 05m

Hanoi Noibai

Sun 7/12

12:25-06:55

1 stop25h 30m

£422

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 26/1

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 31/1

02:10-19:10

1 stop24h 00m

£464

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 19/1

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Tue 27/1

02:10-19:10

1 stop24h 00m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 4/2

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 13/2

19:40-19:10

1 stop30h 30m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 28/1

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 6/2

02:10-19:10

1 stop24h 00m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 20/2

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Thu 12/3

14:55-19:10

1 stop35h 15m

£467

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 25/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Fri 6/3

02:10-19:10

1 stop24h 00m

£467

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 23/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Thu 12/3

14:55-19:10

1 stop35h 15m

£467

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 21/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 7/3

03:10-19:10

1 stop23h 00m

£467

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 60 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 31 October 2025.

To ensure you get the cheapest price possible for a flight from London to Hanoi, you should look to book at least 52 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, September is the cheapest month in which you can book a flight from London to Hanoi (average of £343). Flying from London to Hanoi in August is currently the most expensive (average of £604). 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 7 November 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 21% versus a flight at midday.

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 16 December 2024.

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

What’s the top stopover airport for flights from London to Hanoi?

Share of one-stop return flights from London to Hanoi chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Doha (DOH) – chosen by Cheapflights users on 24% of one-stop itineraries from London to Hanoi on Cheapflights.

What’s the cheapest stopover airport for flights from London to Hanoi?

Average return fare for one-stop flights from London to Hanoi, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £480.

What’s the fastest stopover option from London to Hanoi?

Shortest average travel time for one-stop one-way flights from London to Hanoi, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 14h 45m.

Which airport typically offers the quickest stopover for flights from London to Hanoi?

Average stopover duration for one-stop one-way flights from London to Hanoi, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 1h 13m.

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 7 November 2025.
Check out reviews from past customers who have flown with Vietnam Airlines, China Southern, andShenzhen Airlines from London to Hanoi to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

Overall

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

Overall

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

Overall

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

Overall

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

Overall

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.6

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

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 is 1 daily inbound flight from London from 16 different airlines.

  • How long is the flight from London to Hanoi?

    Departing from London to Hanoi will take you 20h 40m. The distance between London and Hanoi is about 5735 mi. This flight may include one or multiple stops.

  • 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 £375. Additional return tickets that might be worth considering are offered by Shenzhen Airlines and China Southern, with the lowest prices starting at £388 and £421, respectively. These flights start at 42% lower than the current average price 3 months from now.

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

  • What are the most reliable airlines from London to Hanoi?

    The top 3 most reliable airlines when flying from London to Hanoi are Vietnam Airlines (63%), Cambodia Angkor Air (63%) and Scandinavian Airlines (60%).

  • What are the cheapest flights from London to Hanoi?

    While on average a flight from London to Hanoi is generally £1,646, our data shows the cheapest flight currently is £486. When looking at the most popular route, (London Heathrow - Hanoi Noibai), you can expect to pay £383 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 Shanghai?

    The majority of Shanghai visitors spend their time at People's Square, Shanghai Grand Theatre, and Jing'an Temple. People's Square, Shanghai Grand Theatre, and Jing'an Temple can be visited by traveling about 20.3 mi, 20.6 mi, and 22.0 mi respectively from Shanghai Pu Dong.

  • What are points of interest worth seeing during a stopover in Guangzhou?

    If you're on a stopover in Guangzhou and looking for things to do, consider visiting Baima Clothing Wholesale Market, Yide Lu, or Guangzhou Zoo. Baima Clothing Wholesale Market, Yide Lu and Guangzhou Zoo are located about 17.3 mi, 19.5 mi, and 17.2 mi, respectively from Guangzhou Baiyun if you are interested in checking them out.

  • 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, September is the cheapest month in which you can book a flight from London to Hanoi (average of £343). Flying from London to Hanoi in August is currently the most expensive (average of £604). 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 7 November 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 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£375Average£474FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£388Average£486FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£421Average£587FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£424Average£575FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£529Average£629FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Vietnam AirlinesCheapest£582Average£765FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Singapore AirlinesCheapest£584Average£791FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£585Average£716FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Turkish AirlinesCheapest£594Average£786FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£618Average£763FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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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