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Cheap flights from London to Hanoi from £300

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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — HAN
19 Jul — 26 Jul1
1 adult

Cheapflights Tip: The best prices from London to Hanoi Noibai are usually found in May or November, booked 51 days in advance, depart on a Sunday or Monday and return on a Saturday

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 14 July 2025.

Round-trip from

£535

One-way from

£300

Popular in

December

Cheapest in

May

Average price

£816

Good round-trip deal

£705 or less

Good one-way deal

£526 or less
China Southern
  • China Southern
  • 25/9-11/10
  • 2 total stops
  • 56h 20m total
  • London to Hanoi
25/9
  • 25/9
  • 2 total stops
  • 43h 00m total
  • London to Hanoi
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in July 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 14 July 2025.

Thu 25/922:10LHR - HAN
1 stop19h 05mChina Southern
Sat 11/1011:45HAN - LHR
1 stop37h 15mChina Southern
Deal found 14/7£535
Wed 29/1011:40LGW - HAN
1 stop22h 00mAir China
Sat 29/1112:25HAN - LGW
1 stop25h 30mAir China
Deal found 13/7£535
Mon 17/1121:00LHR - HAN
1 stop21h 45mChina Eastern
Tue 17/315:45HAN - LHR
2 stops32h 45mChina Eastern
Deal found 12/7£536
Sat 29/1117:00LGW - HAN
1 stop25h 45mMultiple Airlines
Sat 10/108:50HAN - LGW
1 stop20h 45mMultiple Airlines
Deal found 12/7£536
Wed 8/1022:05LHR - HAN
1 stop21h 05mShenzhen Airlines
Sun 26/1002:10HAN - LHR
1 stop24h 00mShenzhen Airlines
Deal found 12/7£537
Mon 10/1117:00LGW - HAN
3 stops62h 45mChina Eastern
Tue 2/1215:45HAN - LGW
2 stops45h 45mChina Eastern
Deal found 14/7£537
Mon 15/922:40LHR - HAN
2 stops30h 15mAir China
Fri 3/1012:20HAN - LHR
2 stops37h 55mAir China
Deal found 13/7£540
Fri 14/1109:00LHR - HAN
1 stop13h 55mEtihad Airways
Mon 1/1207:40HAN - LHR
1 stop17h 45mEtihad Airways
Deal found 12/7£546
Mon 29/1221:10LHR - HAN
1 stop33h 45mMultiple Airlines
Mon 26/102:45HAN - LHR
1 stop21h 45mMultiple Airlines
Deal found 12/7£553
Tue 19/810:10LGW - HAN
1 stop21h 00mEthiopian Air
Wed 3/914:10HAN - LGW
1 stop22h 15mEthiopian Air
Deal found 14/7£557
Thu 23/1012:00LGW - HAN
1 stop20h 45mChina Southern
Thu 6/1116:10HAN - LGW
2 stops56h 10mChina Southern
Deal found 12/7£558
Sun 21/909:00LGW - HAN
1 stop16h 15mQatar Airways
Thu 9/1008:45HAN - LGW
1 stop34h 40mQatar Airways
Deal found 14/7£578

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 14 July 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 25/9

22:10-23:15

1 stop19h 05m

Hanoi Noibai

Sat 11/10

11:45-19:00

1 stop37h 15m

£535

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Wed 29/10

11:40-16:40

1 stop22h 00m

Hanoi Noibai

Sat 29/11

12:25-06:55

1 stop25h 30m

£535

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 17/11

21:00-01:45

1 stop21h 45m

Hanoi Noibai

Tue 17/3

15:45-17:30

2 stops32h 45m

£536

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sat 29/11

17:00-01:45

1 stop25h 45m

Hanoi Noibai

Sat 10/1

08:50-22:35

1 stop20h 45m

£536

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 8/10

22:05-14:05

1 stop34h 00m

Hanoi Noibai

Tue 28/10

14:55-19:10

1 stop35h 15m

£537

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Mon 10/11

17:00-14:45

3 stops62h 45m

Hanoi Noibai

Tue 2/12

15:45-06:30

2 stops45h 45m

£537

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 15/9

22:40-10:55

2 stops30h 15m

Hanoi Noibai

Fri 3/10

12:20-20:15

2 stops37h 55m

£540

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 14/11

09:00-05:55

1 stop13h 55m

Hanoi Noibai

Mon 1/12

07:40-18:25

1 stop17h 45m

£546

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 29/12

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Mon 26/1

02:45-17:30

1 stop21h 45m

£553

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Tue 19/8

10:10-13:10

1 stop21h 00m

Hanoi Noibai

Wed 3/9

14:10-06:25

1 stop22h 15m

£557

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 28 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 11 July 2025.

To ensure you get the cheapest price possible for a flight from London to Hanoi, you should look to book at least 51 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 14 July 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 11% 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 8 September 2024.

Travellers seeking maximum savings on their London to Hanoi flight should consider departing on Monday evenings 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.

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

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 14 July 2025.
Check out reviews from past customers who have flown with Emirates, KLM, andChina Southern 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.

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jun 2025

ATH - EWR

Best flight I taken. Airline stewards were very attentive and creative a very comfortable environment. Food was plentiful, gave a variety for each meal and delicious.

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 16 different airlines.

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

    Flying on China Southern is currently your cheapest option to Hanoi, with prices starting at £535. Additional return tickets that might be worth considering are offered by Air China and China Eastern, with the lowest prices starting at £535 and £536, respectively. These flights start at 18% 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 China Eastern, with whom users have recently found tickets for as low as £305. However, be on the lookout for offers from Air China and Shenzhen Airlines, 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 £1,474, our data shows the cheapest flight currently is £449. When looking at the most popular route, (London Heathrow - Hanoi Noibai), you can expect to pay £388 for that flight.

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

  • What are some popular points of interest to see during a stopover in Shanghai?

    If you're on a stopover in Shanghai and looking for things to do, consider visiting Shanghai Disneyland, Shanghai Grand Theatre, or French Concession. Shanghai Disneyland, Shanghai Grand Theatre, and French Concession can be visited by travelling about 8.7 mi, 20.6 mi, and 20.4 mi respectively from Shanghai Pu Dong.

  • 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 14 July 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 14 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£369Average£470FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£392Average£458FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£413Average£583FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£415Average£540FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Etihad AirwaysCheapest£519Average£592FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£567Average£712FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£570Average£708FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Air FranceCheapest£575Average£670FlexibilityNo cancel feeOn-time77%
Search Air France flights
Turkish AirlinesCheapest£577Average£683FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Qatar AirwaysCheapest£606Average£710FlexibilityNo 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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