Cheap flights from London Heathrow Airport to Hanoi from £270

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HAN
4 Apr — 11 Apr1
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 38 days in advance, depart on a Monday or Wednesday 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 5 March 2026.

Sun 8/321:00
LHR
-
HAN
1 stop21h 45m
China Eastern
Tue 24/302:35
HAN
-
LHR
2 stops21h 55m
China Eastern
Deal found 28/2£393
Wed 22/422:00
LHR
-
HAN
1 stop16h 05m
Hainan Airlines
Sun 3/521:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 4/3£395
Tue 10/321:00
LHR
-
HAN
1 stop21h 45m
China Eastern
Thu 26/315:45
HAN
-
LHR
2 stops32h 45m
China Eastern
Deal found 28/2£397
Wed 22/421:20
LHR
-
HAN
1 stop22h 00m
China Eastern
Tue 12/502:20
HAN
-
LHR
1 stop22h 20m
China Eastern
Deal found 3/3£398
Sun 8/321:00
LHR
-
HAN
2 stops34h 45m
China Eastern
Mon 8/617:30
HAN
-
LHR
2 stops31h 10m
China Eastern
Deal found 28/2£398
Wed 11/319:45
LHR
-
HAN
1 stop19h 25m
Hainan Airlines
Thu 26/323:15
HAN
-
LHR
2 stops25h 20m
Hainan Airlines
Deal found 28/2£399
Sun 8/321:00
LHR
-
HAN
1 stop21h 45m
China Eastern
Sat 21/302:45
HAN
-
LHR
1 stop21h 45m
China Eastern
Deal found 28/2£400
Wed 22/422:00
LHR
-
HAN
1 stop16h 05m
Hainan Airlines
Sun 24/521:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 4/3£401
Wed 22/422:00
LHR
-
HAN
1 stop16h 05m
Hainan Airlines
Thu 21/521:10
HAN
-
LHR
2 stops28h 20m
Hainan Airlines
Deal found 4/3£401
Mon 9/321:00
LHR
-
HAN
1 stop21h 45m
China Eastern
Tue 24/302:45
HAN
-
LHR
1 stop21h 45m
China Eastern
Deal found 28/2£403

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 5 March 2026.

Round-trip from

£395

One-way from

£270

Popular in

July

Cheapest in

November

Average price

£824

Good round-trip deal

£743 or less

Good one-way deal

£518 or less
Hainan Airlines
  • Hainan Airlines
  • 22/4-3/5
  • 3 total stops
  • 44h 25m total
  • London to Hanoi
Hainan Airlines
  • Hainan Airlines
  • 11/3
  • 1 total stop
  • 19h 25m total
  • London to Hanoi
Highest demand for flights based on searches. 7% potential increase in price (£40 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from London Heathrow to Hanoi Noibai.
Price to beat on a one-way flight from London Heathrow to Hanoi Noibai.

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 5 March 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

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 13/5

21:20-01:20

1 stop22h 00m

Hanoi Noibai

Sun 17/5

15:00-18:40

1 stop33h 40m

£457

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 5/6

22:05-09:40

1 stop29h 35m

Hanoi Noibai

Sat 13/6

18:40-20:00

1 stop31h 20m

£481

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 17/5

22:05-17:40

1 stop37h 35m

Hanoi Noibai

Thu 4/6

18:40-20:00

1 stop31h 20m

£481

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 18/6

21:20-14:45

2 stops35h 25m

Hanoi Noibai

Thu 9/7

18:45-18:40

1 stop29h 55m

£499

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 4/6

21:20-16:30

2 stops37h 10m

Hanoi Noibai

Wed 10/6

02:20-18:40

1 stop22h 20m

£502

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 2/6

22:00-11:00

2 stops31h 00m

Hanoi Noibai

Mon 29/6

02:10-20:15

2 stops24h 05m

£514

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 16/4

21:20-16:30

2 stops37h 10m

Hanoi Noibai

Sat 25/4

02:20-18:40

1 stop22h 20m

£618

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Tue 24/3

14:45-01:45

2 stops28h 00m

Hanoi Noibai

Tue 31/3

17:30-18:40

3 stops55h 10m

£653

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 16/4

21:20-17:45

1 stop38h 25m

Hanoi Noibai

Mon 27/4

15:45-18:40

2 stops32h 55m

£675

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 19/6

06:55-06:05

1 stop17h 10m

Hanoi Noibai

Mon 6/7

10:05-17:05

Nonstop13h 00m

£748

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 21 resultsSorted by cheapest first
1
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 27 February 2026.

The best time to book flights from London Heathrow Airport to Hanoi is 38 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 £387). Flying from London Heathrow Airport to Hanoi in August is currently the most expensive (average of £607). 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 5 March 2026.

When flying from London Heathrow Airport to Hanoi, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 5 March 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.

Entertainment

6.3

Overall

7.7

Food

6.8

Boarding

7.7

Comfort

7.6

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

Entertainment

6.3

Overall

7.7

Food

6.8

Boarding

7.7

Comfort

7.6

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

Entertainment

6.3

Overall

7.7

Food

6.8

Boarding

7.7

Comfort

7.6

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

Entertainment

6.3

Overall

7.7

Food

6.8

Boarding

7.7

Comfort

7.6

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

Entertainment

6.3

Overall

7.7

Food

6.8

Boarding

7.7

Comfort

7.6

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

Entertainment

6.3

Overall

7.7

Food

6.8

Boarding

7.7

Comfort

7.6

Crew

8.2

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.

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 is 1 flight from London Heathrow to Noibai per day from 15 different airlines.

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

    Departing from London Heathrow Airport to Hanoi will take you 22h. 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 Air China is currently your cheapest option to Hanoi, with prices starting at £371. Additional return tickets that might be worth considering are offered by Shenzhen Airlines and China Eastern, with the lowest prices starting at £379 and £387, respectively. Air China is 49% 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 £243 on Shenzhen Airlines. Other airlines that offer cheap prices include Air China from £258 and China Eastern from £258 one-way.

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

    Looking at all options, your cheapest flight can be booked for £445. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £398 on average, our data indicates £1,202 when flying from London Heathrow Airport to Hanoi.

  • Where are the most common stopover locations when flying 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?

  • 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 £387). Flying from London Heathrow Airport to Hanoi in August is currently the most expensive (average of £607). 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

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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 5 March 2026.

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 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest£371Average£426FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£379Average£502FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£387Average£474FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£397Average£573FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Etihad AirwaysCheapest£517Average£621FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Vietnam AirlinesCheapest£568Average£779FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Singapore AirlinesCheapest£570Average£703FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£585Average£644FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Cathay PacificCheapest£596Average£736FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£608Average£763FlexibilityNo 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?

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Why should you use Cheapflights to find cheap flight tickets from Heathrow to Hanoi?

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

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