Cheap flights from London to Hanoi from £337

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HAN
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Hanoi Noibai are usually found in November or January, booked 53 days in advance, depart on a Monday or Thursday and return on a Tuesday

Cheap 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 18 June 2026.

Sat 31/1021:35
LHR
-
HAN
2 stops31h 20m
Air China
Fri 13/1113:30
HAN
-
LHR
1 stop33h 25m
Air China
Deal found 15/6£550
Thu 29/1011:05
LGW
-
HAN
1 stop17h 10m
Air China
Mon 9/1118:15
HAN
-
LGW
1 stop19h 40m
Air China
Deal found 16/6£550
Fri 3/722:00
LHR
-
HAN
2 stops40h 05m
Hainan Airlines
Thu 23/721:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 14/6£553
Tue 29/911:10
LGW
-
HAN
1 stop16h 55m
China Southern
Thu 15/1019:45
HAN
-
LGW
1 stop16h 45m
China Southern
Deal found 15/6£553
Sat 17/1008:55
LGW
-
HAN
2 stops25h 25m
Multiple Airlines
Thu 29/1012:05
HAN
-
LGW
1 stop17h 20m
Multiple Airlines
Deal found 16/6£556
Sat 3/1022:05
LHR
-
HAN
1 stop21h 05m
Shenzhen Airlines
Fri 16/1002:10
HAN
-
LHR
1 stop23h 40m
Shenzhen Airlines
Deal found 14/6£557
Wed 8/722:00
LHR
-
HAN
1 stop16h 05m
Hainan Airlines
Sun 26/721:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 13/6£558
Sat 7/1106:55
LGW
-
HAN
2 stops26h 50m
Multiple Airlines
Sun 22/1113:30
HAN
-
LGW
1 stop23h 10m
Multiple Airlines
Deal found 15/6£559
Mon 2/1117:00
LGW
-
HAN
1 stop17h 45m
China Eastern
Fri 18/1215:10
HAN
-
LGW
1 stop22h 20m
China Eastern
Deal found 13/6£559
Fri 2/1022:05
LHR
-
HAN
1 stop29h 35m
Shenzhen Airlines
Thu 15/1002:10
HAN
-
LHR
1 stop23h 50m
Shenzhen Airlines
Deal found 13/6£561
Tue 29/911:15
LGW
-
HAN
1 stop17h 45m
Air China
Thu 19/1118:15
HAN
-
LGW
1 stop19h 40m
Air China
Deal found 14/6£561
Wed 23/918:00
LGW
-
HAN
2 stops32h 50m
Multiple Airlines
Wed 7/1018:15
HAN
-
LGW
1 stop18h 45m
Multiple Airlines
Deal found 15/6£562

Find 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 18 June 2026.

Round-trip from

£550

One-way from

£337

Popular in

July

Cheapest in

November

Average price

£605

Good round-trip deal

£731 or less

Good one-way deal

£452 or less
Air China
  • Air China
  • 31/10-13/11
  • 3 total stops
  • 64h 45m total
  • London to Hanoi
27/11
  • 27/11
  • 2 total stops
  • 39h 15m total
  • London to Hanoi
Highest demand for flights based on searches. 16% potential increase in price (£86 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in June 2026
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 18 June 2026.
Use the filters below to find and compare flights from London to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 6/11

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Sun 22/11

14:55-19:10

1 stop35h 15m

£578

LondonHanoi

LTN - HAN

LTNHAN

London Luton

Wed 30/9

05:40-17:25

2 stops29h 45m

Hanoi Noibai

Thu 15/10

15:05-18:05

2 stops33h 00m

£604

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 8/11

10:30-14:10

1 stop20h 40m

Hanoi Noibai

Thu 19/11

02:45-14:00

1 stop18h 15m

£605

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 15/11

17:00-17:45

1 stop17h 45m

Hanoi Noibai

Fri 27/11

15:10-06:30

1 stop22h 20m

£605

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 6/11

10:30-17:45

1 stop24h 15m

Hanoi Noibai

Thu 17/12

02:45-06:30

1 stop34h 45m

£605

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 11/11

17:00-01:45

1 stop25h 45m

Hanoi Noibai

Thu 26/11

02:45-14:00

1 stop18h 15m

£605

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Tue 10/11

10:30-14:10

1 stop20h 40m

Hanoi Noibai

Mon 23/11

16:15-06:30

2 stops21h 15m

£610

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 13/11

17:00-17:45

1 stop17h 45m

Hanoi Noibai

Mon 23/11

16:15-06:30

2 stops21h 15m

£610

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 18/9

18:00-17:45

1 stop17h 45m

Hanoi Noibai

Sun 1/11

18:45-14:00

1 stop26h 15m

£615

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Fri 18/9

11:35-01:20

1 stop31h 45m

Hanoi Noibai

Mon 2/11

16:15-06:30

3 stops45h 15m

£619

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Currently, November is the cheapest month in which you can book a flight from London to Hanoi (average of £448). Flying from London to Hanoi in December is currently the most expensive (average of £850). 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.

How much does it cost for a return flight from London to Hanoi?

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.

Shanghai (PVG) – chosen by Cheapflights users on 33% 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.

Beijing (PEK) is the most affordable one-stop option, with an average return flight price of £392.

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.

How often are flights from London to Hanoi delayed?

About 16% of weekly flights between London and Hanoi have experienced delays in the past year, with the average delay time being 165 minutes.

What is the most punctual flight time for London to Hanoi flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Hanoi flights?

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

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.

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 18 June 2026.
Check out reviews from past customers who have flown with Vietnam Airlines,Qatar Airways, andEtihad Airways 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.

Comfort

7.7

Crew

8.2

Entertainment

6.3

Overall

7.7

Food

6.9

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Comfort

7.7

Crew

8.2

Entertainment

6.3

Overall

7.7

Food

6.9

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Comfort

7.7

Crew

8.2

Entertainment

6.3

Overall

7.7

Food

6.9

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Comfort

7.7

Crew

8.2

Entertainment

6.3

Overall

7.7

Food

6.9

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Comfort

7.7

Crew

8.2

Entertainment

6.3

Overall

7.7

Food

6.9

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

Comfort

7.7

Crew

8.2

Entertainment

6.3

Overall

7.7

Food

6.9

Boarding

7.8

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

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 14 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 Hainan Airlines is currently your cheapest option to Hanoi, with prices starting at £190. Additional return tickets that might be worth considering are offered by Etihad Airways and China Eastern, with the lowest prices starting at £342 and £360, respectively. These flights start at 68% 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 £243. However, be on the lookout for offers from Air China and Etihad Airways, 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 £1,053, our data shows the cheapest flight currently is £423. When looking at the most popular route, (London Heathrow - Hanoi Noibai), you can expect to pay £449 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 Disneyland, and Shanghai Dianchun Hall. People's Square, Shanghai Disneyland, and Shanghai Dianchun Hall can be visited by traveling about 20.3 mi, 8.7 mi, and 19.4 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 Huaisheng Mosque, Baima Clothing Wholesale Market, or China Guangzhou Wholesale Market. Huaisheng Mosque, Baima Clothing Wholesale Market and China Guangzhou Wholesale Market are located about 18.9 mi, 17.3 mi, and 16.8 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, November is the cheapest month in which you can book a flight from London to Hanoi (average of £448). Flying from London to Hanoi in December is currently the most expensive (average of £850). 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

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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 18 June 2026.

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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£190Average£312FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£342Average£626FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£360Average£471FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air ChinaCheapest£363Average£459FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£378Average£484FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£409Average£667FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Turkish AirlinesCheapest£556Average£754FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£567Average£735FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Vietnam AirlinesCheapest£578Average£805FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapest£607Average£784FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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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