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Cheap flights from London Heathrow Airport to Hanoi from £273

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Hanoi Noibai are usually found in November or September, booked 36 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap 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 6 May 2026.

Mon 21/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Mon 12/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 4/5£405
Sun 13/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Sun 11/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 1/5£407
Mon 14/922:40
LHR
-
HAN
1 stop31h 15m
Air China
Thu 3/1213:20
HAN
-
LHR
1 stop33h 35m
Air China
Deal found 1/5£409
Tue 22/920:25
LHR
-
HAN
1 stop33h 30m
Air China
Sun 11/1013:25
HAN
-
LHR
1 stop37h 00m
Air China
Deal found 2/5£410
Sun 20/920:25
LHR
-
HAN
1 stop33h 30m
Air China
Sun 11/1013:25
HAN
-
LHR
1 stop34h 15m
Air China
Deal found 1/5£418
Mon 11/522:05
LHR
-
HAN
1 stop21h 05m
Shenzhen Airlines
Tue 19/518:25
HAN
-
LHR
1 stop31h 35m
Shenzhen Airlines
Deal found 1/5£442
Mon 21/922:05
LHR
-
HAN
1 stop21h 05m
Shenzhen Airlines
Sat 10/1018:25
HAN
-
LHR
1 stop31h 35m
Shenzhen Airlines
Deal found 5/5£443
Sun 1/1121:10
LHR
-
HAN
1 stop28h 30m
Shenzhen Airlines
Sat 7/1102:10
HAN
-
LHR
1 stop24h 00m
Shenzhen Airlines
Deal found 4/5£444
Mon 2/1121:10
LHR
-
HAN
1 stop21h 00m
Shenzhen Airlines
Sun 15/1102:10
HAN
-
LHR
1 stop24h 00m
Shenzhen Airlines
Deal found 2/5£444
Mon 21/920:25
LHR
-
HAN
1 stop33h 30m
Air China
Mon 26/1013:20
HAN
-
LHR
1 stop35h 30m
Air China
Deal found 5/5£445

Find 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 6 May 2026.

Round-trip from

£405

One-way from

£273

Popular in

July

Cheapest in

November

Average price

£639

Good round-trip deal

£757 or less

Good one-way deal

£438 or less
Air China
  • Air China
  • 21/9-12/10
  • 2 total stops
  • 68h 15m total
  • London to Hanoi
Search Deals
Shenzhen Airlines
  • Shenzhen Airlines
  • 17/5
  • 1 total stop
  • 29h 35m total
  • London to Hanoi
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
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 6 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Hanoi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 1/6

21:20-14:45

2 stops59h 25m

Hanoi Noibai

Mon 8/6

15:45-18:40

2 stops56h 55m

£676

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 29/6

08:05-07:15

1 stop17h 10m

Hanoi Noibai

Mon 13/7

19:30-08:00

1 stop18h 30m

£679

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 26/6

20:50-09:35

2 stops30h 45m

Hanoi Noibai

Thu 30/7

10:35-06:30

2 stops25h 55m

£701

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 30/5

08:25-09:35

2 stops43h 10m

Hanoi Noibai

Sat 6/6

10:35-19:10

2 stops38h 35m

£713

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 17/5

21:20-17:45

1 stop38h 25m

Hanoi Noibai

Sun 31/5

15:45-18:40

3 stops56h 55m

£786

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 16/6

06:15-10:10

2 stops21h 55m

Hanoi Noibai

Thu 2/7

05:00-16:55

1 stop17h 55m

£789

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 21/8

08:25-07:15

1 stop16h 50m

Hanoi Noibai

Mon 24/8

19:30-08:00

1 stop18h 30m

£789

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 28/9

07:30-11:10

2 stops21h 40m

Hanoi Noibai

Wed 7/10

20:30-16:55

1 stop26h 25m

£901

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 8/8

20:50-12:15

2 stops33h 25m

Hanoi Noibai

Wed 19/8

13:05-06:30

2 stops47h 25m

£921

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 25/10

06:20-06:15

1 stop16h 55m

Hanoi Noibai

Thu 12/11

00:45-07:15

Nonstop13h 30m

£972

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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?

The best time to book flights from London Heathrow Airport to Hanoi is 35 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £578). Flying from London Heathrow Airport to Hanoi in July is currently the most expensive (average of £851). 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.

How much does it cost for a return flight from London Heathrow Airport to Hanoi?

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 6 May 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Hanoi, such as Vietnam Airlines,Cathay Pacific, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.7
Good
266 reviews
Check prices

Overall

7.7

Food

6.9

Entertainment

6.3

Comfort

7.7

Boarding

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Vietnam Airlines
7.7
Good
266 reviews
Vietnam Airlines
7.7
Good
266 reviews
Check prices

Overall

7.7

Food

6.9

Entertainment

6.3

Comfort

7.7

Boarding

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Cathay Pacific
7.6
Good
1,314 reviews
Vietnam Airlines
7.7
Good
266 reviews
Check prices

Overall

7.7

Food

6.9

Entertainment

6.3

Comfort

7.7

Boarding

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Qatar Airways
7.4
Good
3,727 reviews
Vietnam Airlines
7.7
Good
266 reviews
Check prices

Overall

7.7

Food

6.9

Entertainment

6.3

Comfort

7.7

Boarding

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
China Southern
7.4
Good
151 reviews
Vietnam Airlines
7.7
Good
266 reviews
Check prices

Overall

7.7

Food

6.9

Entertainment

6.3

Comfort

7.7

Boarding

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.
Etihad Airways
7.3
Good
1,434 reviews
Vietnam Airlines
7.7
Good
266 reviews
Check prices

Overall

7.7

Food

6.9

Entertainment

6.3

Comfort

7.7

Boarding

7.7

Crew

8.2

Reviews

1 / 16
2.0
Mediocre

Stephen,Apr 2026

SGN - DAD

45 minutes late. Bottle of water and that’s about it.

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 14 different airlines.

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

    Departing from London Heathrow Airport to Hanoi will take you 17h 10m. The distance between London Heathrow Airport and Hanoi is about 5736 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Flying on Hainan Airlines is currently your cheapest option to Hanoi, with prices starting at £188. Additional return tickets that might be worth considering are offered by Etihad Airways and Air China, with the lowest prices starting at £338 and £366, respectively. Hainan Airlines is 73% 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 £242 on Shenzhen Airlines. Other airlines that offer cheap prices include Etihad Airways from £251 and Hainan Airlines from £252 one-way.

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

    Looking at all options, your cheapest flight can be booked for £392. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £444 on average, our data indicates £931 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?

    Huaisheng Mosque, Baima Clothing Wholesale Market, and Yide Lu are the most popular attractions in Guangzhou if you're in need of something to do during your stopover. Huaisheng Mosque, Baima Clothing Wholesale Market, and Yide Lu are located about 18.9 mi, 17.3 mi, and 19.5 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Hanoi (average of £578). Flying from London Heathrow Airport to Hanoi in July is currently the most expensive (average of £851). 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 6 May 2026.
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 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Hainan AirlinesCheapest£188Average£309FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Etihad AirwaysCheapest£338Average£608FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air ChinaCheapest£366Average£424FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£373Average£488FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£379Average£470FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£391Average£562FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest£562Average£694FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapest£576Average£790FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Cathay PacificCheapest£598Average£763FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£599Average£767FlexibilityNo cancel feeOn-time68%
Search Qatar Airways 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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