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Cheap flights from London Heathrow Airport to Hanoi from £321

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
1 Apr — 8 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Hanoi Noibai are usually found in May or November, booked 55 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

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 27 March 2025.

Round-trip from

£452

One-way from

£321

Popular in

August

Cheapest in

May

Average price

£697

Good round-trip deal

£655 or less

Good one-way deal

£462 or less
Shenzhen Airlines
  • Shenzhen Airlines
  • 26/4-2/5
  • 2 total stops
  • 55h 50m total
  • London to Hanoi
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26/4
  • 26/4
  • 3 total stops
  • 31h 45m total
  • London to Hanoi
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Highest demand for flights based on searches. 13% potential increase in price (£89 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in March 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 27 March 2025.

Sat 26/422:05LHR - HAN
1 stop21h 05mShenzhen Airlines
Fri 2/515:05HAN - LHR
1 stop34h 45mShenzhen Airlines
Deal found 26/3£452
Sun 21/922:10LHR - HAN
1 stop30h 35mChina Southern
Sun 2/1115:45HAN - LHR
1 stop33h 30mChina Southern
Deal found 26/3£453
Wed 23/420:25LHR - HAN
2 stops32h 35mAir China
Wed 7/512:20HAN - LHR
2 stops37h 55mAir China
Deal found 26/3£463
Sat 26/421:20LHR - HAN
1 stop34h 40mChina Eastern
Sun 25/509:15HAN - LHR
2 stops39h 25mChina Eastern
Deal found 27/3£530
Sat 26/422:15LHR - HAN
2 stops31h 40mMultiple Airlines
Sat 24/502:10HAN - LHR
1 stop23h 50mMultiple Airlines
Deal found 27/3£532

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 27 March 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

Sat 26/4

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Fri 2/5

15:05-19:50

1 stop34h 45m

£452

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 21/9

22:10-10:45

1 stop30h 35m

Hanoi Noibai

Sun 2/11

15:45-18:15

1 stop33h 30m

£453

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 23/4

20:25-11:00

2 stops32h 35m

Hanoi Noibai

Wed 7/5

12:20-20:15

2 stops37h 55m

£463

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 26/4

21:20-14:00

1 stop34h 40m

Hanoi Noibai

Sun 25/5

09:15-18:40

2 stops39h 25m

£530

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 26/4

22:15-11:55

2 stops31h 40m

Hanoi Noibai

Sat 24/5

02:10-20:00

1 stop23h 50m

£532

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 26/4

06:40-20:25

3 stops31h 45m

£321

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 10/5

22:05-01:10

1 stop21h 05m

£322

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 26/5

22:05-17:35

1 stop37h 30m

£360

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 18/9

22:10-16:45

1 stop36h 35m

£363

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 15/4

22:40-10:55

2 stops30h 15m

£373

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 17 results
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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 21 March 2025.

The best time to book flights from London Heathrow Airport to Hanoi is 55 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 £1,137). 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 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 27 March 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 14% 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 23 March 2025.

Travellers seeking maximum savings on their London Heathrow Airport to Hanoi flight should consider departing on Sunday 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.

Rainfall in Hanoi by month

Plan your trip to Hanoi by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hanoi ranges from 14.0 - 296.0 inches per month. August is typically the wettest month, when rainfall can reach 296.0 mm. December is typically the driest time to visit Hanoi when rainfall is around 14.0 mm.

Temperature in Hanoi by month

Plan your trip to Hanoi by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hanoi, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.0 C).

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 27 March 2025.
Peruse reviews from past customers who have flown with Singapore Airlines, Vietnam Airlines and Cathay Pacific from London to Hanoi to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Food

7.7

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,285 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Food

7.7

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Vietnam Airlines
7.6
Good
192 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Food

7.7

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Cathay Pacific
7.5
Good
837 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Food

7.7

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Etihad Airways
7.4
Good
1,180 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Food

7.7

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.

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

    Flying on Shenzhen Airlines is currently your cheapest option to Hanoi, with prices starting at £452. Additional return tickets that might be worth considering are offered by China Southern and Air China, with the lowest prices starting at £453 and £463, respectively. Shenzhen Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as £322 on Shenzhen Airlines. Other airlines that offer cheap prices include Singapore Airlines from £360 and China Southern from £363 one-way.

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

    Looking at all options, your cheapest flight can be booked for £353. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £440 on average our data indicates £1,607 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 £1,137). 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 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 27 March 2025.
Vietnam Airlines flights from London Heathrow to Hanoi Noibai
China Southern flights from London Heathrow to Hanoi Noibai
Qatar Airways 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 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£406Average£465FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£419Average£477FlexibilityNo cancel feeOn-time67%
Search Air China flights
China SouthernCheapest£462Average£577FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£521Average£643FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Singapore AirlinesCheapest£580Average£726FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Virgin AtlanticCheapest£586Average£720FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Cathay PacificCheapest£593Average£743FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Air FranceCheapest£601Average£655FlexibilityNo cancel feeOn-time77%
Search Air France flights
Malaysia AirlinesCheapest£629Average£708FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Vietnam AirlinesCheapest£633Average£804FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

Fly with Cheapflights

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

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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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