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Cheap flights from London Heathrow Airport to Hanoi from £259

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 29/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Hanoi Noibai are usually found in September or November, booked 40 days in advance, depart on a Monday or Sunday and return on a Friday

Find flight deals from Heathrow to Hanoi

Enter your travel dates to find the best prices.

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 24 October 2025.

Sun 2/1121:10LHR - HAN
1 stop28h 30mMultiple Airlines
Tue 25/1120:40HAN - LHR
2 stops27h 50mMultiple Airlines
Deal found 22/10£394
Tue 2/1220:25LHR - HAN
1 stop32h 30mAir China
Tue 16/1213:20HAN - LHR
1 stop35h 30mAir China
Deal found 23/10£394
Tue 11/1117:40LHR - HAN
1 stop35h 15mAir China
Fri 28/1113:30HAN - LHR
1 stop33h 25mAir China
Deal found 23/10£397
Tue 11/1120:25LHR - HAN
1 stop32h 30mAir China
Fri 12/1213:30HAN - LHR
1 stop35h 20mAir China
Deal found 22/10£397
Tue 2/1217:40LHR - HAN
1 stop35h 15mAir China
Sun 28/1213:20HAN - LHR
1 stop35h 30mAir China
Deal found 23/10£398
Tue 25/1117:40LHR - HAN
1 stop35h 15mMultiple Airlines
Tue 9/1220:40HAN - LHR
2 stops27h 50mMultiple Airlines
Deal found 23/10£406
Sun 16/1120:25LHR - HAN
1 stop32h 30mAir China
Sun 30/1113:20HAN - LHR
1 stop33h 35mAir China
Deal found 22/10£406
Mon 24/1120:25LHR - HAN
1 stop32h 35mAir China
Mon 8/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 23/10£407
Mon 1/1220:25LHR - HAN
1 stop32h 35mAir China
Tue 16/1213:20HAN - LHR
1 stop35h 30mAir China
Deal found 23/10£409
Tue 11/1120:25LHR - HAN
1 stop32h 30mAir China
Sun 23/1113:20HAN - LHR
1 stop33h 35mAir China
Deal found 22/10£409
Sun 16/1117:40LHR - HAN
1 stop35h 15mAir China
Mon 1/1213:20HAN - LHR
1 stop33h 35mAir China
Deal found 22/10£410
Sun 16/1120:25LHR - HAN
1 stop32h 30mAir China
Sat 29/1113:20HAN - LHR
1 stop35h 30mAir China
Deal found 22/10£411

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 24 October 2025.

Round-trip from

£394

One-way from

£259

Popular in

July

Cheapest in

September

Average price

£712

Good round-trip deal

£709 or less

Good one-way deal

£533 or less
Air China
  • Air China
  • 2/12-16/12
  • 2 total stops
  • 68h 00m total
  • London to Hanoi
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 29/12
  • 1 total stop
  • 28h 30m total
  • London to Hanoi
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Hanoi Noibai.
Search Deals
Price to beat on a one-way flight from London Heathrow to Hanoi Noibai.
Search Deals

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 24 October 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 23/11

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Sat 6/12

02:10-19:10

1 stop24h 00m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 3/12

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 12/12

19:40-19:10

1 stop30h 30m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 28/11

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Sun 7/12

14:55-19:10

1 stop35h 15m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 1/3

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Fri 20/3

19:40-19:10

1 stop30h 30m

£466

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 23/11

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sat 29/11

02:10-19:10

1 stop24h 00m

£468

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 30/1

21:10-13:55

1 stop33h 45m

Hanoi Noibai

Thu 12/2

14:55-19:10

1 stop35h 15m

£521

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 7/11

20:15-13:10

2 stops33h 55m

Hanoi Noibai

Fri 28/11

14:10-06:35

2 stops23h 25m

£625

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 7/11

20:15-13:10

2 stops33h 55m

Hanoi Noibai

Sun 23/11

14:10-14:25

2 stops31h 15m

£632

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 13/2

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Sun 8/3

19:40-19:10

1 stop30h 30m

£680

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 22/2

08:15-18:30

2 stops27h 15m

Hanoi Noibai

Thu 12/3

11:05-15:00

1 stop34h 55m

£726

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 22 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 17 October 2025.

The best time to book flights from London Heathrow Airport to Hanoi is 40 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £388). Flying from London Heathrow Airport to Hanoi in August is currently the most expensive (average of £616). 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 24 October 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 8% 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 19 October 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. Tuesday evenings 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 24 October 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Hanoi, such as Cathay Pacific, Vietnam Airlines, andShenzhen Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Cathay Pacific
7.6
Good
1,038 reviews
Check prices

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Cathay Pacific
7.6
Good
1,038 reviews
Cathay Pacific
7.6
Good
1,038 reviews
Check prices

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Vietnam Airlines
7.5
Good
207 reviews
Cathay Pacific
7.6
Good
1,038 reviews
Check prices

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Shenzhen Airlines
7.5
Good
20 reviews
Cathay Pacific
7.6
Good
1,038 reviews
Check prices

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
Qatar Airways
7.4
Good
3,657 reviews
Cathay Pacific
7.6
Good
1,038 reviews
Check prices

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for
China Southern
7.4
Good
116 reviews
Cathay Pacific
7.6
Good
1,038 reviews
Check prices

Entertainment

7.8

Boarding

7.9

Overall

7.6

Comfort

7.6

Food

7.3

Crew

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Sept 2025

PNH - HKG

Everything was good except the typhoon that cause cancelation of my return flight with i had not got any compensation for

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 33h 45m. 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 Air China is currently your cheapest option to Hanoi, with prices starting at £372. Additional return tickets that might be worth considering are offered by Shenzhen Airlines and China Southern, with the lowest prices starting at £384 and £414, respectively. Air China is 49% 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 (54%), Scandinavian Airlines (54%) or Cambodia Angkor Air (54%) 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 £471. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £406 on average, our data indicates £1,581 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £388). Flying from London Heathrow Airport to Hanoi in August is currently the most expensive (average of £616). 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 24 October 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 24 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£372Average£452FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£384Average£473FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£414Average£577FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£451Average£548FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£525Average£617FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£573Average£777FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£574Average£700FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Vietnam AirlinesCheapest£595Average£756FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Qatar AirwaysCheapest£607Average£736FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest£610Average£875FlexibilityNo 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 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?

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Hanoi by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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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