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Cheap flights from Hanoi to London from £244

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — LON
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hanoi Noibai to London are usually found in October or June, booked 72 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Hanoi to London

Enter your travel dates to find the best prices.

Cheapest flights from Hanoi to London
Explore the most affordable flight options available from Hanoi to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2026.

Mon 11/508:25
HAN
-
LTN
2 stops32h 35m
Multiple Airlines
Mon 18/505:40
LTN
-
HAN
2 stops31h 05m
Multiple Airlines
Deal found 27/3£377
Mon 11/508:25
HAN
-
STN
2 stops29h 25m
Multiple Airlines
Mon 18/508:30
STN
-
HAN
2 stops28h 15m
Multiple Airlines
Deal found 27/3£384
Mon 11/508:25
HAN
-
LGW
2 stops29h 30m
Multiple Airlines
Mon 18/508:40
LGW
-
HAN
2 stops28h 05m
Multiple Airlines
Deal found 27/3£402
Mon 1/608:25
HAN
-
STN
2 stops29h 05m
Multiple Airlines
Sun 21/612:40
STN
-
HAN
2 stops36h 00m
Multiple Airlines
Deal found 29/3£409
Tue 12/520:40
HAN
-
LHR
1 stop16h 20m
Etihad Airways
Tue 19/521:45
LHR
-
HAN
1 stop26h 55m
Etihad Airways
Deal found 27/3£410
Thu 14/508:25
HAN
-
LHR
1 stop16h 20m
Etihad Airways
Thu 21/521:45
LHR
-
HAN
1 stop26h 55m
Etihad Airways
Deal found 30/3£415
Mon 11/508:25
HAN
-
LHR
1 stop36h 40m
Etihad Airways
Mon 18/514:45
LHR
-
HAN
1 stop22h 00m
Etihad Airways
Deal found 27/3£417
Mon 1/608:25
HAN
-
LTN
2 stops32h 35m
Multiple Airlines
Sun 21/613:25
LTN
-
HAN
2 stops35h 15m
Multiple Airlines
Deal found 29/3£420
Wed 1/408:25
HAN
-
LHR
1 stop16h 55m
Etihad Airways
Wed 8/421:10
LHR
-
HAN
1 stop15h 35m
Etihad Airways
Deal found 31/3£424
Tue 7/420:40
HAN
-
LHR
1 stop28h 40m
Etihad Airways
Fri 10/421:10
LHR
-
HAN
1 stop15h 35m
Etihad Airways
Deal found 31/3£426
Mon 20/408:25
HAN
-
LHR
1 stop16h 55m
Etihad Airways
Fri 24/409:15
LHR
-
HAN
1 stop15h 25m
Etihad Airways
Deal found 31/3£427
Thu 14/508:25
HAN
-
LTN
2 stops33h 10m
Multiple Airlines
Thu 21/517:05
LTN
-
HAN
2 stops31h 35m
Multiple Airlines
Deal found 30/3£427

Find flight deals from Hanoi to London

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to London (LON). 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 31 March 2026.

Round-trip from

£377

One-way from

£244

Popular in

May

Cheapest in

October

Average price

£782

Good round-trip deal

£780 or less

Good one-way deal

£1,089 or less
11/5-18/5
  • 11/5-18/5
  • 4 total stops
  • 63h 40m total
  • Hanoi to London
Search Deals
Etihad Airways
  • Etihad Airways
  • 20/4
  • 1 total stop
  • 29h 00m total
  • Hanoi to London
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Hanoi Noibai to London (LON).
Search Deals
Price to beat on a one-way flight from Hanoi Noibai to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hanoi to London 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 31 March 2026.
Use the filters below to find and compare flights from Hanoi to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HanoiLondon

HAN - LTN

HANLTN

Hanoi Noibai

Thu 14/5

08:25-11:35

2 stops33h 10m

London Luton

Thu 21/5

17:05-06:40

2 stops31h 35m

£427

HanoiLondon

HAN - LTN

HANLTN

Hanoi Noibai

Sun 17/5

20:40-12:05

2 stops21h 25m

London Luton

Sun 23/8

18:30-06:40

2 stops30h 10m

£616

HanoiLondon

HAN - LTN

HANLTN

Hanoi Noibai

Mon 18/5

08:25-10:35

2 stops32h 10m

London Luton

Sun 31/5

06:05-06:40

2 stops18h 35m

£626

HanoiLondon

HAN - LGW

HANLGW

Hanoi Noibai

Mon 1/6

19:30-06:40

1 stop17h 10m

London Gatwick

Wed 16/9

08:10-13:55

1 stop23h 45m

£643

HanoiLondon

HAN - LGW

HANLGW

Hanoi Noibai

Wed 3/6

19:30-06:40

1 stop17h 10m

London Gatwick

Wed 16/9

08:10-13:55

1 stop23h 45m

£643

HanoiLondon

HAN - LGW

HANLGW

Hanoi Noibai

Sat 18/7

08:45-06:40

1 stop27h 55m

London Gatwick

Fri 13/11

09:00-19:45

1 stop27h 45m

£659
Fastest return journey

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 4/6

20:40-07:00

1 stop16h 20m

London Heathrow

Sun 7/6

09:30-06:40

1 stop15h 10m

£660

HanoiLondon

HAN - STN

HANSTN

Hanoi Noibai

Tue 15/9

01:30-12:55

1 stop17h 25m

London Stansted

Sun 27/9

14:55-13:15

1 stop16h 20m

£664

HanoiLondon

HAN - STN

HANSTN

Hanoi Noibai

Fri 18/9

01:30-12:55

1 stop17h 25m

London Stansted

Sun 27/9

14:55-13:15

1 stop16h 20m

£664

HanoiLondon

HAN - STN

HANSTN

Hanoi Noibai

Thu 17/9

01:30-12:55

1 stop17h 25m

London Stansted

Mon 28/9

14:55-13:15

1 stop16h 20m

£664

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Hanoi to London

Have a flexible travel schedule? Discover the best time to fly to London from Hanoi 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 Hanoi to London

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

Use this chart to determine the optimal time to book a return flight from Hanoi to London. Price data was last updated on 13 March 2026.

The price you pay for your flight from Hanoi to London may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Hanoi to London (average of £294). Flying from Hanoi to London in September is currently the most expensive (average of £778). 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 HAN to LON?

Find hourly flight availability from Hanoi to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 March 2026.

When flying from Hanoi to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

Doha (DOH) – chosen by Cheapflights users on 28% of one-stop itineraries from Hanoi to London on Cheapflights.

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

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

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £505.

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

Shortest average travel time for one-stop one-way flights from Hanoi to London, 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: 16h 00m.

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

Average stopover duration for one-stop one-way flights from Hanoi to London, 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 Hanoi to London delayed?

About 28% of weekly flights between Hanoi and London have experienced delays in the past year, with the average delay time being 115 minutes.

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

Historically, flights departing in the morning 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?

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

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

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 28% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 31 March 2026.
Get a feel of what it's like to fly with Vietnam Airlines,China Southern, andEtihad Airways from Hanoi to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Entertainment

6.3

Boarding

7.7

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.7
Good
252 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Entertainment

6.3

Boarding

7.7

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
China Southern
7.4
Good
146 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Entertainment

6.3

Boarding

7.7

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Etihad Airways
7.3
Good
1,432 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Entertainment

6.3

Boarding

7.7

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Air China
7.3
Good
144 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Entertainment

6.3

Boarding

7.7

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
China Eastern
7.2
Good
200 reviews
Vietnam Airlines
7.7
Good
252 reviews
Check prices

Food

6.9

Overall

7.7

Comfort

7.7

Entertainment

6.3

Boarding

7.7

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

Related info for your journey

Find useful and relevant information for your journey from Hanoi to London. 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 from for flights from Hanoi to London?

    Located just 14.2 mi from the city center, Hanoi Noibai is the airport most travelers will use when flying to London from Hanoi. Booking flights from Noibai (HAN) to London should be relatively easy as there are 0 daily outbound flights to London from 3 different airlines.

  • How long is the flight from Hanoi to London?

    For as low as £660, Qatar Airways can have you in London from Hanoi in 16h 20m. The distance from Hanoi to London is about 5736 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Hanoi to London is China Southern. Our recent data shows that you can find tickets from as low as £294 on this airline. Additional options worth looking into are Qatar Airways and Vietnam Airlines, starting at £645 and £794 round-trip. You may be able to fly from Hanoi to London for 56% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as £137 on Etihad Airways. Other airlines that offer cheap prices include China Eastern from £143 and Air China from £217 one-way.

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

    The most popular route from Hanoi to London is Hanoi Noibai - London Heathrow. You may also consider Hanoi Noibai - London Gatwick or Hanoi Noibai - London Stansted.

  • What are the cheapest flights from Hanoi to London?

    While on average a flight from Hanoi to London is generally £1,176, our data shows the cheapest flight currently is £780. When looking at the most popular route, (Hanoi Noibai - London Heathrow), you can expect to pay £420 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hanoi to London 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 Hanoi to London?

    Currently, October is the cheapest month in which you can book a flight from Hanoi to London (average of £294). Flying from Hanoi to London in September is currently the most expensive (average of £778). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Wembley
Croydon
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Gatwick
Slough
Ilford
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Watford
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Romford
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Bedford
Chelmsford
Ipswich
Southend-on-Sea

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Hanoi to London

Discover the top 3 airlines that operate flights from Hanoi to London. 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 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£294Average£504FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Qatar AirwaysCheapest£645Average£761FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Vietnam AirlinesCheapest£794Average£926FlexibilityNo cancel feeOn-time81%
Search Vietnam 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 Hanoi to London?

Cheapflights makes it easy to find Hanoi to London flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Hanoi to London.

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

Yes! Cheapflights helps users easily find flights from Hanoi to London with no change fees.

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

Not ready to book yet? You can track prices for flights from Hanoi to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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