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Cheap flights from London Heathrow Airport to Hanoi from £284

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Hanoi Noibai are usually found in September or November, booked 58 days in advance, depart on a Monday or Sunday and return on a Friday

Cheap flight deals from Heathrow to Hanoi

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 17 September 2025.

Round-trip from

£381

One-way from

£284

Popular in

July

Cheapest in

September

Average price

£623

Good round-trip deal

£666 or less

Good one-way deal

£485 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 27/9-4/10
  • 2 total stops
  • 52h 25m total
  • London to Hanoi
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Air China
  • Air China
  • 22/9
  • 1 total stop
  • 33h 30m total
  • London to Hanoi
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£47 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from London Heathrow to Hanoi Noibai.
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Price to beat on a one-way flight from London Heathrow to Hanoi Noibai.
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Find flight deals from Heathrow to Hanoi

Cheapest flights from Heathrow to Hanoi
Explore the most affordable flight options available from Heathrow to Hanoi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2025.

Sun 21/922:05LHR - HAN
1 stop28h 35mShenzhen Airlines
Sun 5/1015:05HAN - LHR
1 stop34h 45mShenzhen Airlines
Deal found 16/9£381
Tue 2/1217:40LHR - HAN
1 stop35h 15mAir China
Sat 28/213:20HAN - LHR
1 stop35h 30mAir China
Deal found 16/9£403
Tue 14/1022:40LHR - HAN
1 stop31h 15mAir China
Tue 28/1013:20HAN - LHR
1 stop35h 30mAir China
Deal found 15/9£403
Sun 23/1117:40LHR - HAN
1 stop35h 15mAir China
Thu 4/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 15/9£404
Mon 27/1017:40LHR - HAN
1 stop35h 20mAir China
Mon 10/1113:20HAN - LHR
1 stop33h 35mAir China
Deal found 15/9£405
Sat 20/922:05LHR - HAN
1 stop21h 05mShenzhen Airlines
Sat 4/1002:10HAN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 16/9£406
Wed 1/1022:05LHR - HAN
1 stop34h 00mShenzhen Airlines
Thu 9/1015:05HAN - LHR
1 stop34h 55mShenzhen Airlines
Deal found 15/9£408
Wed 17/922:05LHR - HAN
1 stop21h 05mShenzhen Airlines
Sat 4/1002:10HAN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 15/9£408
Wed 24/922:05LHR - HAN
1 stop21h 05mShenzhen Airlines
Thu 23/1002:10HAN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 16/9£409
Tue 28/1017:40LHR - HAN
1 stop35h 15mAir China
Tue 4/1113:20HAN - LHR
1 stop35h 30mAir China
Deal found 15/9£410
Wed 26/1120:25LHR - HAN
1 stop32h 35mAir China
Sun 7/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 15/9£422
Wed 26/1120:25LHR - HAN
1 stop32h 35mAir China
Wed 17/1213:30HAN - LHR
1 stop33h 25mAir China
Deal found 15/9£422

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 17 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Hanoi that are best for you.

Fly from

Heathrow

Fly to

Hanoi

Route

Depart

Return

Price

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 2/3

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 21/3

19:40-19:10

1 stop30h 30m

£517

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 10/1

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Thu 29/1

19:40-19:10

1 stop30h 30m

£517

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 3/11

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 13/12

02:10-19:10

1 stop24h 00m

£565

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 9/11

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Sun 14/12

02:10-19:10

1 stop24h 00m

£565

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 7/11

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sun 14/12

02:10-19:10

1 stop24h 00m

£565

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 8/11

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Sun 14/12

02:10-19:10

1 stop24h 00m

£565

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 5/11

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Fri 19/12

19:40-19:10

1 stop30h 30m

£565

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 5/11

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Sun 21/12

14:55-19:10

1 stop35h 15m

£565

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 8/11

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Sat 13/12

02:10-19:10

1 stop24h 00m

£571

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 7/11

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sun 21/12

19:40-19:10

1 stop30h 30m

£571

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 24 results
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2
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Best time to book a flight from Heathrow to Hanoi

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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to Hanoi. Price data was last updated on 12 September 2025.

The best time to book flights from London Heathrow Airport to Hanoi is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £793). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of £1,129). 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 LHR to HAN?

Find hourly flight availability from Heathrow 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 17 September 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Hanoi in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from London Heathrow Airport to Hanoi?

Use this chart to determine the cheapest time to fly return from Heathrow to Hanoi. Price data was last updated on 14 September 2025.

Travellers seeking maximum savings on their London Heathrow Airport 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.

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 17 September 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Hanoi, such as Cathay Pacific, Vietnam Airlines, andChina Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
994 reviews
Check prices

Boarding

7.9

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Cathay Pacific
7.6
Good
994 reviews
Cathay Pacific
7.6
Good
994 reviews
Check prices

Boarding

7.9

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Vietnam Airlines
7.6
Good
201 reviews
Cathay Pacific
7.6
Good
994 reviews
Check prices

Boarding

7.9

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
China Southern
7.5
Good
110 reviews
Cathay Pacific
7.6
Good
994 reviews
Check prices

Boarding

7.9

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .
Qatar Airways
7.4
Good
3,624 reviews
Cathay Pacific
7.6
Good
994 reviews
Check prices

Boarding

7.9

Crew

8.1

Overall

7.6

Comfort

7.6

Entertainment

7.8

Food

7.3

Reviews

1 / 20
10.0
Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    If you book a flight to Hanoi from London Heathrow, you will be flying to Noibai, which is the city’s only airport. Hanoi Noibai (HAN) is located 14.2 mi from the center of Hanoi. There are 0 flights from London Heathrow to Noibai per day from 16 different airlines.

  • How long is the flight from London Heathrow Airport to Hanoi?

    Departing from London Heathrow Airport to Hanoi will take you 28h 30m. The distance between London Heathrow Airport and Hanoi is about 5736 mi.

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

    Flying on Emirates is currently your cheapest option to Hanoi, with prices starting at £320. Additional return tickets that might be worth considering are offered by Air China and Shenzhen Airlines, with the lowest prices starting at £364 and £374, respectively. Emirates is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from London Heathrow Airport to Hanoi?

    No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Hanoi consider choosing Vietnam Airlines (64%), Scandinavian Airlines (64%) or Cambodia Angkor Air (64%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for £387. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £380 on average, our data indicates £1,445 when flying from London Heathrow Airport to Hanoi.

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

    London Heathrow Airport to Hanoi flights have a stopover in Doha most of the time. Doha is followed by Guangzhou in terms of the most popular stopover location on flights from London Heathrow Airport to Hanoi.

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

    Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo are the most popular attractions in Guangzhou if you're in need of something to do during your stopover. Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo are located about 17.3 mi, 19.5 mi, and 17.2 mi, respectively from Guangzhou Baiyun.

  • Where are the least popular stopover locations for London Heathrow Airport to Hanoi flights?

    Flights departing from London Heathrow Airport and landing in Hanoi stopover in Shenzhen least frequently.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £793). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of £1,129). 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 Heathrow to Hanoi on these airlines

Choose from the following airlines for your flight from Heathrow to Hanoi. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2025.
Vietnam Airlines flights from London Heathrow to Hanoi Noibai
Qatar Airways flights from London Heathrow to Hanoi Noibai
China Southern flights from London Heathrow to Hanoi Noibai

Top 10 airlines flying from Heathrow to Hanoi

Discover the top 10 airlines that operate flights from Heathrow 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest£320Average£809FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Air ChinaCheapest£364Average£446FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£374Average£452FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£410Average£560FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£441Average£553FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£518Average£602FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£558Average£750FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£564Average£686FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Vietnam AirlinesCheapest£585Average£747FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Air FranceCheapest£586Average£635FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Hanoi?

Cheapflights makes it easy to find Heathrow to Hanoi 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 Heathrow to Hanoi?

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Hanoi flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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