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$397+ Cheap flights from Heathrow (LHR) to Hanoi (HAN)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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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 September 11, 2025.

Round-trip from

$556
(Shenzhen Airlines)

One-way from

$397
(Booking.com)

Popular in

July

Cheapest in

May

Average price

$858

Good round-trip deal

$969 or less

Good one-way deal

$680 or less
From London Heathrow to Hanoi Noibai
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One-way flight from London Heathrow to Hanoi Noibai
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Highest demand for flights based on searches. 8% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($20 potential savings vs. average RT 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 September 11, 2025.

This Shenzhen Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:05 pmLHR - HAN
1 stop21h 05mShenzhen Airlines
Sat 10/42:10 amHAN - LHR
1 stop23h 50mShenzhen Airlines
Deal found 9/11$556
This Shenzhen Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:05 pmLHR - HAN
1 stop28h 35mShenzhen Airlines
Sat 10/252:10 amHAN - LHR
1 stop24h 00mShenzhen Airlines
Deal found 9/10$557
This Air China deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air China is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:25 pmLHR - HAN
1 stop32h 35mAir China
Sun 12/71:20 pmHAN - LHR
1 stop33h 35mAir China
Deal found 9/10$562
This Shenzhen Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:05 pmLHR - HAN
1 stop34h 00mShenzhen Airlines
Thu 10/93:05 pmHAN - LHR
1 stop34h 55mShenzhen Airlines
Deal found 9/11$592
This FlightHub deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:00 pmLHR - HAN
1 stop21h 45mChina Eastern
Thu 11/202:20 pmHAN - LHR
1 stop34h 10mChina Eastern
Deal found 9/10$605
This Gotogate deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/159:10 pmLHR - HAN
1 stop28h 30mShenzhen Airlines
Fri 11/282:10 amHAN - LHR
1 stop24h 00mShenzhen Airlines
Deal found 9/11$617
This Shenzhen Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:10 pmLHR - HAN
1 stop28h 30mShenzhen Airlines
Thu 11/62:10 amHAN - LHR
1 stop24h 00mShenzhen Airlines
Deal found 9/10$628
This Shenzhen Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/39:10 pmLHR - HAN
1 stop21h 00mShenzhen Airlines
Fri 11/142:10 amHAN - LHR
1 stop24h 00mShenzhen Airlines
Deal found 9/11$629
This Shenzhen Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:10 pmLHR - HAN
1 stop33h 45mShenzhen Airlines
Fri 12/52:55 pmHAN - LHR
1 stop35h 15mShenzhen Airlines
Deal found 9/10$630
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:00 pmLHR - HAN
2 stops35h 15mChina Eastern
Sun 12/76:45 pmHAN - LHR
1 stop29h 45mChina Eastern
Deal found 9/10$635

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 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

Sun 9/28

10:05 pm-1:10 am

1 stop21h 05m

Hanoi Noibai

Sat 10/4

2:10 am-8:00 pm

1 stop23h 50m

$556

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 11/26

9:10 pm-1:10 am

1 stop21h 00m

Hanoi Noibai

Sat 12/6

2:10 am-7:10 pm

1 stop24h 00m

$628

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 10/31

9:10 pm-8:40 am

1 stop28h 30m

Hanoi Noibai

Fri 11/7

7:40 pm-7:10 pm

1 stop30h 30m

$628

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 11/16

9:10 pm-1:10 am

1 stop21h 00m

Hanoi Noibai

Fri 11/28

2:55 pm-7:10 pm

1 stop35h 15m

$629

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 11/7

9:10 pm-1:55 pm

1 stop33h 45m

Hanoi Noibai

Fri 11/14

2:10 am-7:10 pm

1 stop24h 00m

$629

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 12/8

9:10 pm-1:10 am

1 stop21h 00m

Hanoi Noibai

Tue 12/30

7:40 pm-7:10 pm

1 stop30h 30m

$692

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 1/5

9:10 pm-8:40 am

1 stop28h 30m

Hanoi Noibai

Sun 2/1

7:40 pm-7:10 pm

1 stop30h 30m

$703

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 2/11

9:10 pm-8:40 am

1 stop28h 30m

Hanoi Noibai

Thu 2/19

2:10 am-7:10 pm

1 stop24h 00m

$837

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 10/9

6:55 pm-7:15 am

1 stop30h 20m

Hanoi Noibai

Wed 10/15

8:45 am-10:00 pm

1 stop19h 15m

$865

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 10/9

7:10 pm-6:45 pm

1 stop17h 35m

Hanoi Noibai

Wed 10/15

10:10 am-4:55 pm

Nonstop12h 45m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 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 round-trip 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 round-trip flight from Heathrow to Hanoi. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Hanoi, you should look to book at least 58 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 London Heathrow Airport to Hanoi?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of $864). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of $1,600). 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 September 11, 2025.

It’s optimal to fly from London Heathrow Airport to Hanoi in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the morning.

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 September 11, 2025.
Read reviews from past customers who have flown Vietnam Airlines, China Southern, and Qatar Airways from London Heathrow Airport to Hanoi. 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.
Vietnam Airlines
7.6
Good
201 reviews

Entertainment

6.3

Crew

8.1

Boarding

7.5

Comfort

7.6

Overall

7.6

Food

6.8

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
Vietnam Airlines
7.6
Good
201 reviews
Vietnam Airlines
7.6
Good
201 reviews

Entertainment

6.3

Crew

8.1

Boarding

7.5

Comfort

7.6

Overall

7.6

Food

6.8

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
China Southern
7.5
Good
110 reviews
Vietnam Airlines
7.6
Good
201 reviews

Entertainment

6.3

Crew

8.1

Boarding

7.5

Comfort

7.6

Overall

7.6

Food

6.8

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.
Qatar Airways
7.4
Good
3,624 reviews
Vietnam Airlines
7.6
Good
201 reviews

Entertainment

6.3

Crew

8.1

Boarding

7.5

Comfort

7.6

Overall

7.6

Food

6.8

Reviews

1 / 14
10.0
Excellent

Allen,Aug 2025

SGN - PER

We were surprised. Vietnam airlines was a wonderful and comfortable experience. Our flights were on time, the staff were very attentive, and the aircraft was spacious. We flew on a 787.

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?

    For a flight from London Heathrow to Hanoi, you will be flying into Noibai. Hanoi Noibai (HAN) is just 14.2 mi from the center of the city. Noibai is the only Hanoi airport and it handles 1 inbound flight from London Heathrow per day. 3 airlines have flights to Hanoi Noibai from London Heathrow on a regular basis.

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

    Departing from London Heathrow Airport to Hanoi will take you 21h 05m. There are 5736 mi between London Heathrow Airport and Hanoi.

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

    Flying on China Southern is currently your cheapest option to Hanoi, with prices starting at $621. Additional round-trip tickets that might be worth considering are offered by Qatar Airways and Vietnam Airlines, with the lowest prices starting at $872 and $904, respectively. China Southern is priced at 36% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to Hanoi from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Scandinavian Airlines (67%), Vietnam Airlines (64%), Cambodia Angkor Air( 64%).

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

    While on average a flight from London Heathrow Airport to Hanoi is generally $834, our data shows the cheapest flight currently is $576. When looking at the most popular route, (London Heathrow - Hanoi Noibai), you can expect to pay $605 for that flight.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of $864). Flying from London Heathrow Airport to Hanoi in December is currently the most expensive (average of $1,600). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Hanoi

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Ho Chi Minh City flights

Top 3 airlines flying from Heathrow to Hanoi

Discover the top 3 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$621Average$718FlexibilityNo cancel feeOn-time69%
Qatar AirwaysCheapest$872Average$1,081FlexibilityNo cancel feeOn-time68%
Vietnam AirlinesCheapest$904Average$1,076FlexibilityNo cancel feeOn-time81%

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