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Cheap flights from the United Kingdom to Hanoi from £255

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Hanoi

Keep the following information in mind while searching for United Kingdom to Hanoi flight deals. Data was last updated 19 November 2025.

Round-trip from

£385

One-way from

£255

Popular in

August

Cheapest in

November

Average price

£467

Good round-trip deal

£729 or less

Good one-way deal

£526 or less
Air China
  • Air China
  • 9/1-23/1
  • 2 total stops
  • 36h 50m total
  • United Kingdom to Hanoi
Search Deals
3/2
  • 3/2
  • 3 total stops
  • 59h 05m total
  • United Kingdom to Hanoi
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from United Kingdom to Hanoi Noibai.
Search Deals
Price to beat on a one-way flight from United Kingdom to Hanoi Noibai.
Search Deals

Find flight deals from United Kingdom to Hanoi

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Hanoi
Explore the most affordable flight options available from United Kingdom to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 November 2025.

Fri 21/1111:05LGW - HAN
1 stop22h 35mAir China
Sat 29/1112:25HAN - LGW
1 stop25h 30mAir China
Deal found 18/11£385
Thu 4/1211:05LGW - HAN
1 stop22h 35mAir China
Sun 7/1212:25HAN - LGW
1 stop25h 30mAir China
Deal found 17/11£386
Tue 30/1211:05LGW - HAN
1 stop22h 35mAir China
Wed 14/112:25HAN - LGW
1 stop25h 30mAir China
Deal found 18/11£387
Tue 25/1117:40LHR - HAN
1 stop35h 15mAir China
Fri 12/1213:30HAN - LHR
1 stop35h 20mAir China
Deal found 18/11£388
Wed 31/1211:05LGW - HAN
1 stop17h 10mAir China
Tue 3/318:15HAN - LGW
1 stop19h 40mAir China
Deal found 18/11£388
Tue 2/1220:25LHR - HAN
1 stop32h 30mAir China
Tue 9/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 16/11£389
Tue 25/1111:05LGW - HAN
1 stop22h 35mAir China
Fri 5/1212:25HAN - LGW
1 stop25h 30mAir China
Deal found 17/11£389
Mon 24/1120:25LHR - HAN
1 stop32h 35mAir China
Mon 8/1212:25HAN - LHR
2 stops38h 50mAir China
Deal found 17/11£391
Mon 24/1111:05LGW - HAN
1 stop17h 10mAir China
Mon 1/1218:15HAN - LGW
1 stop19h 40mAir China
Deal found 18/11£395
Mon 1/1220:25LHR - HAN
1 stop32h 35mAir China
Thu 4/1213:20HAN - LHR
1 stop35h 30mAir China
Deal found 17/11£395
Wed 31/1211:05LGW - HAN
1 stop17h 10mAir China
Sun 1/312:25HAN - LGW
1 stop25h 30mAir China
Deal found 18/11£395
Thu 27/1111:05LGW - HAN
1 stop22h 35mMultiple Airlines
Sun 30/1102:10HAN - LGW
2 stops35h 45mMultiple Airlines
Deal found 17/11£397

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 19 November 2025.
Use the filters below to find and compare flights from the United Kingdom to Hanoi that are best for you.

Fly from

United Kingdom

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

Wed 6/5

13:25-20:30

1 stop37h 05m

£409

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 23/4

22:40-11:55

1 stop31h 15m

Hanoi Noibai

Wed 6/5

18:40-20:15

2 stops31h 35m

£430

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 9/1

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 23/1

19:40-19:10

1 stop30h 30m

£465

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 16/2

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Fri 6/3

19:40-19:10

1 stop30h 30m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 20/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sun 15/3

14:55-19:10

1 stop35h 15m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 28/11

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Tue 16/12

19:40-19:10

1 stop30h 30m

£467

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 29/11

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Thu 18/12

19:40-19:10

1 stop30h 30m

£467

LondonHanoi

LTN - HAN

LTNHAN

London Luton

Thu 19/2

08:00-13:00

2 stops22h 00m

Hanoi Noibai

Thu 5/3

20:40-20:10

2 stops30h 30m

£495

LondonHanoi

LGW - HAN

LGWHAN

London Gatwick

Sun 30/11

17:00-01:45

1 stop25h 45m

Hanoi Noibai

Wed 3/12

02:45-06:30

1 stop34h 45m

£509

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 29/11

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Fri 12/12

19:40-19:10

1 stop30h 30m

£521

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to Hanoi

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

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

Currently, September is the cheapest month in which you can book a flight from United Kingdom to Hanoi (average of £338). Flying from United Kingdom to Hanoi in August is currently the most expensive (average of £623). 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 GB to HAN?

Find hourly flight availability from United Kingdom 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 19 November 2025.

It’s optimal to fly from United Kingdom to Hanoi in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at midday.

What is the cheapest day to fly from United Kingdom to Hanoi?

Use this chart to determine the cheapest time to fly return from United Kingdom to Hanoi. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to Hanoi flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 23% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 181 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

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

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.

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 19 November 2025.
Check out reviews from past customers who have flown with Cathay Pacific, Vietnam Airlines, andChina Southern from the United Kingdom 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.
Cathay Pacific
7.6
Good
1,061 reviews
Check prices

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
Cathay Pacific
7.6
Good
1,061 reviews
Cathay Pacific
7.6
Good
1,061 reviews
Check prices

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
Vietnam Airlines
7.6
Good
212 reviews
Cathay Pacific
7.6
Good
1,061 reviews
Check prices

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
China Southern
7.5
Good
119 reviews
Cathay Pacific
7.6
Good
1,061 reviews
Check prices

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
Qatar Airways
7.4
Good
3,664 reviews
Cathay Pacific
7.6
Good
1,061 reviews
Check prices

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.
Air China
7.2
Good
126 reviews
Cathay Pacific
7.6
Good
1,061 reviews
Check prices

Crew

8.1

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Entertainment

7.8

Reviews

1 / 20
8.0
Excellent

Mei Lin,Sept 2025

HKG - LHR

Overall, it was good. The flight was smooth, and the service was good. Unfortunately, the food was mediocre. The toilet could have been in a better condition throughout the flight.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom?

    Most people fly into Hanoi Noibai (HAN) if they book a flight to Hanoi from United Kingdom. Noibai is conveniently located just 14.2 mi from Hanoi’s city center.

  • How long is the flight from United Kingdom to Hanoi?

    Airlines like Air China, Shenzhen Airlines, and China Eastern fly from United Kingdom to Hanoi in about 21h. The time it takes to get you to your destination can typically vary by up to 10h 15m. The distance between United Kingdom and Hanoi is about 5736 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    £257 is the cheapest one-way deal found within the past few days, from Shenzhen Airlines. You may also be able to find cheap deals on Air China and China Southern, with prices starting from £258 and £376, respectively.

  • What are the most popular routes from United Kingdom to Hanoi?

    While some choose either London Gatwick - Hanoi Noibai or London Stansted - Hanoi Noibai, London Heathrow - Hanoi Noibai is the most popular route from United Kingdom to Hanoi.

  • What are the most reliable airlines from United Kingdom to Hanoi?

    Consider Vietnam Airlines (72%), Cambodia Angkor Air (72%) or Scandinavian Airlines (60%) when booking your flight. These represent the most reliable airlines when flying from United Kingdom to Hanoi.

  • What are the cheapest flights from United Kingdom to Hanoi?

    Looking for the cheapest flight from United Kingdom to Hanoi? While on average our users pay £1,638, our data indicates the cheapest price to be £483. The most popular route (London Heathrow - Hanoi Noibai), is priced around £375.

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

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

  • How can I find direct flights from United Kingdom to Hanoi?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Hanoi?

    Currently, September is the cheapest month in which you can book a flight from United Kingdom to Hanoi (average of £338). Flying from United Kingdom to Hanoi in August is currently the most expensive (average of £623). 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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Alternative routes for United Kingdom to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Hanoi flights
Heathrow to Ho Chi Minh City flights
Gatwick to Hanoi flights
Gatwick to Ho Chi Minh City flights
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Manchester to Hanoi flights
Manchester to Ho Chi Minh City flights
Heathrow to Da Nang flights
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Luton to Ho Chi Minh City flights
Heathrow to Phu Quoc flights
Manchester to Da Nang flights
Gatwick to Phu Quoc flights
Birmingham to Ho Chi Minh City flights
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Edinburgh to Hanoi flights
Birmingham to Hanoi flights
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Glasgow Intl to Ho Chi Minh City flights
Newcastle upon Tyne to Ho Chi Minh City flights
Birmingham to Da Nang flights
Edinburgh to Ho Chi Minh City flights
Aberdeen to Ho Chi Minh City flights
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Manchester to Phu Quoc flights
Glasgow Intl to Hanoi flights
Heathrow to Haiphong flights
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Bristol to Hanoi flights
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Frankfurt to Ho Chi Minh City flights
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Cardiff to Ho Chi Minh City flights
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Cardiff to Hanoi flights
Bristol to Ho Chi Minh City flights
Luton to Da Nang flights
Liverpool to Ho Chi Minh City flights
Heathrow to Hue flights
Heathrow to Con Dao flights

Top 10 airlines flying from United Kingdom to Hanoi

Discover the top 10 airlines that operate flights from United Kingdom 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 19 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£350Average£605FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£374Average£472FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£387Average£484FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£422Average£635FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Juneyao AirlinesCheapest£492Average£650FlexibilityNo cancel feeOn-time66%
Search Juneyao Airlines flights
Etihad AirwaysCheapest£526Average£657FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£569Average£748FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest£580Average£762FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapest£582Average£819FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Turkish AirlinesCheapest£583Average£774FlexibilityNo cancel feeOn-time77%
Search Turkish 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 United Kingdom to Hanoi?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom to Hanoi. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Hanoi from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Hanoi, users can toggle the no change fees filter when performing a flight search.

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

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

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