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Cheap flights from Hanoi to London Heathrow Airport from £247

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
HAN — LHR
23 Jul — 30 Jul1
1 adult

Cheapflights Tip: The best prices from Hanoi Noibai to London Heathrow are usually found in June or February, booked 75 days in advance, depart on a Thursday or Saturday and return on a Sunday

Cheap flight deals from Hanoi to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Hanoi (HAN) to Heathrow (LHR). 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 July 2025.

Round-trip from

£498

One-way from

£247

Popular in

April

Cheapest in

June

Average price

£868

Good round-trip deal

£922 or less

Good one-way deal

£433 or less
China Southern
  • China Southern
  • 9/10-11/11
  • 2 total stops
  • 35h 00m total
  • Hanoi to London
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26/9
  • 26/9
  • 3 total stops
  • 57h 25m total
  • Hanoi to London
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Highest demand for flights based on searches. 0% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Hanoi Noibai to London Heathrow.
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Price to beat on a one-way flight from Hanoi Noibai to London Heathrow.
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Find flight deals from Hanoi to Heathrow

Cheapest flights from Hanoi to Heathrow
Explore the most affordable flight options available from Hanoi to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Thu 9/1008:15HAN - LHR
1 stop16h 45mChina Southern
Tue 11/1122:00LHR - HAN
1 stop18h 15mChina Southern
Deal found 16/7£498
Sun 5/1002:10HAN - LHR
1 stop23h 40mShenzhen Airlines
Sun 9/1121:10LHR - HAN
1 stop21h 00mShenzhen Airlines
Deal found 16/7£516
Wed 6/817:15HAN - LHR
1 stop31h 25mChina Eastern
Wed 13/821:20LHR - HAN
1 stop36h 50mChina Eastern
Deal found 18/7£521
Thu 11/1213:20HAN - LHR
1 stop33h 35mAir China
Tue 30/1217:40LHR - HAN
1 stop35h 15mAir China
Deal found 18/7£524
Thu 18/1214:55HAN - LHR
1 stop35h 15mMultiple Airlines
Thu 1/117:40LHR - HAN
1 stop35h 15mMultiple Airlines
Deal found 18/7£526
Thu 18/1207:40HAN - LHR
1 stop17h 45mEtihad Airways
Tue 30/1219:20LHR - HAN
1 stop27h 35mEtihad Airways
Deal found 17/7£609

Cheapflights Fare Finder

Customise your flight search to find flights from Hanoi to Heathrow 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 July 2025.
Use the filters below to find and compare flights from Hanoi to London Heathrow Airport that are best for you.

Fly from

Hanoi

Fly to

Heathrow

Route

Depart

Return

Price

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 9/10

08:15-19:00

1 stop16h 45m

London Heathrow

Tue 11/11

22:00-23:15

1 stop18h 15m

£498

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sun 5/10

02:10-19:50

1 stop23h 40m

London Heathrow

Sun 9/11

21:10-01:10

1 stop21h 00m

£516

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Wed 6/8

17:15-18:40

1 stop31h 25m

London Heathrow

Wed 13/8

21:20-16:10

1 stop36h 50m

£521

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 11/12

13:20-15:55

1 stop33h 35m

London Heathrow

Tue 30/12

17:40-11:55

1 stop35h 15m

£524

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 18/12

14:55-19:10

1 stop35h 15m

London Heathrow

Thu 1/1

17:40-11:55

1 stop35h 15m

£526

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 18/12

07:40-18:25

1 stop17h 45m

London Heathrow

Tue 30/12

19:20-05:55

1 stop27h 35m

£609

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Fri 26/9

15:45-19:10

3 stops57h 25m

£247

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Sat 16/8

17:15-18:40

1 stop31h 25m

£248

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Thu 16/10

02:10-20:30

2 stops24h 20m

£253

HanoiLondon

HAN - LHR

HANLHR

Hanoi Noibai

Wed 10/9

10:35-19:10

2 stops38h 35m

£261

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 14 results
1
2

Best time to book a flight from Hanoi to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a return flight from Hanoi to Heathrow. Price data was last updated on 11 July 2025.

To ensure you get the cheapest price possible for a flight from Hanoi to London Heathrow Airport, you should look to book at least 73 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 Hanoi to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Hanoi to London Heathrow Airport (average of £112). Flying from Hanoi to London Heathrow Airport in August is currently the most expensive (average of £164). 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 LHR?

Find hourly flight availability from Hanoi to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.

It’s typically best to fly out from Hanoi to London Heathrow Airport at midday. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 18 July 2025.
Read through reviews of airlines operating flights from Hanoi to London Heathrow Airport, such as Singapore Airlines, China Southern, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,328 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
China Southern
7.6
Good
104 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Qatar Airways
7.4
Good
3,604 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Etihad Airways
7.4
Good
1,223 reviews
Singapore Airlines
8.1
Very Good
1,328 reviews
Check prices

Food

7.7

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Related info for your journey

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

    Hanoi Noibai (HAN), located 14.2 mi from the city center, is the airport you fly out of when you book flights from Hanoi to London Heathrow. 3 airlines have flights from Noibai to London Heathrow on a regular basis. Booking flights from Hanoi Noibai to London Heathrow should not be difficult; the airport handles an average of 0 outbound flights to London Heathrow per day.

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

    Flying on China Southern is currently your cheapest option to London Heathrow Airport, with prices starting at £498. Additional return tickets that might be worth considering are offered by Shenzhen Airlines and China Eastern, with the lowest prices starting at £516 and £521, respectively. China Southern is currently priced 33% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as £248 on China Eastern. Other airlines that offer cheap prices include Air China from £253 and Oman Air from £261 one-way.

  • What are the cheapest flights from Hanoi to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £366. While the most popular route (Hanoi Noibai - London Heathrow) can be booked for £571 on average our data indicates £1,573 when flying from Hanoi to London Heathrow Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Hanoi to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Hanoi to London Heathrow Airport (average of £112). Flying from Hanoi to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Southend-on-Sea
Folkestone
Watford
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Hanoi to Heathrow

Discover the top 3 airlines that operate flights from Hanoi to Heathrow. 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest£623Average£752FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest£707Average£769FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Vietnam AirlinesCheapest£808Average£943FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

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

Yes, Cheapflights offers price alerts on Hanoi to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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