Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Haiphong from £422

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — HPH
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Haiphong

Enter your travel dates to find the best prices.

Best flights from Heathrow to Haiphong
Discover carefully curated flight deals from Heathrow to Haiphong that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 December 2025.

Tue 5/519:50LHR - HPH
1 stop20h 40mVietnam Airlines
Mon 11/510:20HPH - LHR
1 stop37h 30mVietnam Airlines
Deal found 17/12£724
Mon 4/518:55LHR - HPH
2 stops21h 35mVietnam Airlines
Mon 11/510:20HPH - LHR
1 stop37h 30mVietnam Airlines
Deal found 17/12£724
Thu 7/519:10LHR - HPH
1 stop21h 20mVietnam Airlines
Mon 11/520:30HPH - LHR
1 stop27h 20mVietnam Airlines
Deal found 17/12£724
Sun 3/519:50LHR - HPH
2 stops31h 55mVietnam Airlines
Mon 11/510:20HPH - LHR
1 stop37h 30mVietnam Airlines
Deal found 17/12£724
Thu 22/111:00LHR - HPH
1 stop16h 15mVietnam Airlines
Mon 26/106:15HPH - LHR
1 stop32h 00mVietnam Airlines
Deal found 15/12£730
Sat 10/111:00LHR - HPH
1 stop28h 30mVietnam Airlines
Sun 25/110:15HPH - LHR
2 stops28h 00mVietnam Airlines
Deal found 16/12£786
Fri 9/111:00LHR - HPH
2 stops21h 40mVietnam Airlines
Sat 24/116:15HPH - LHR
2 stops46h 00mVietnam Airlines
Deal found 16/12£816
Thu 26/211:00LHR - HPH
1 stop28h 10mVietnam Airlines
Tue 17/321:10HPH - LHR
2 stops65h 05mVietnam Airlines
Deal found 17/12£841

Find flight deals from Heathrow to Haiphong

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Haiphong (HPH). 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 18 December 2025.

Round-trip from

£724

One-way from

£422
Vietnam Airlines
  • Vietnam Airlines
  • 3/5-11/5
  • 3 total stops
  • 69h 25m total
  • London to Haiphong
Search Deals
3/1
  • 3/1
  • 2 total stops
  • 27h 15m total
  • London to Haiphong
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Haiphong 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 18 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Haiphong that are best for you.

Fly from

Heathrow

Fly to

Haiphong

Route

Depart

Return

Price

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Tue 5/5

19:50-22:30

1 stop20h 40m

Haiphong Catbi

Mon 11/5

10:20-17:50

1 stop37h 30m

£724

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Mon 4/5

18:55-22:30

2 stops21h 35m

Haiphong Catbi

Mon 11/5

10:20-17:50

1 stop37h 30m

£724

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Thu 7/5

19:10-22:30

1 stop21h 20m

Haiphong Catbi

Mon 11/5

20:30-17:50

1 stop27h 20m

£724

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Sun 3/5

19:50-09:45

2 stops31h 55m

Haiphong Catbi

Mon 11/5

10:20-17:50

1 stop37h 30m

£724

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Thu 22/1

11:00-10:15

1 stop16h 15m

Haiphong Catbi

Mon 26/1

06:15-07:15

1 stop32h 00m

£730

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Sat 10/1

11:00-22:30

1 stop28h 30m

Haiphong Catbi

Sun 25/1

10:15-07:15

2 stops28h 00m

£786

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Fri 9/1

11:00-15:40

2 stops21h 40m

Haiphong Catbi

Sat 24/1

16:15-07:15

2 stops46h 00m

£816

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Thu 26/2

11:00-22:10

1 stop28h 10m

Haiphong Catbi

Tue 17/3

21:10-07:15

2 stops65h 05m

£841

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Sat 3/1

22:00-08:15

2 stops27h 15m

£422

LondonHaiphong

LHR - HPH

LHRHPH

London Heathrow

Tue 6/1

11:00-15:40

1 stop21h 40m

£522

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 15 results
1
2

Best time to book a flight from Heathrow to Haiphong

Have a flexible travel schedule? Discover the best time to fly to Haiphong 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 Haiphong

What is the cheapest month to book a flight from London Heathrow Airport to Haiphong?

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Haiphong (average of £387). Flying from London Heathrow Airport to Haiphong in August is currently the most expensive (average of £608). 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.

Reviews of airlines servicing Haiphong

Get insights into the airlines that provide service to Haiphong. 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 Haiphong. Reviews last updated 18 December 2025.
Check out reviews from past customers who have flown with Vietnam Airlines from London Heathrow Airport to Haiphong to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vietnam Airlines
7.6
Good
215 reviews
Check prices

Comfort

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

Reviews

1 / 15
8.0
Excellent

Stephen,Nov 2025

SYD - SGN

I really liked it. It’s very good value for money.
Vietnam Airlines
7.6
Good
215 reviews
Vietnam Airlines
7.6
Good
215 reviews
Check prices

Comfort

7.6

Entertainment

6.3

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

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 Haiphong. 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 Haiphong from London Heathrow?

    Located just 4.1 mi from the city center, Haiphong Catbi is the airport most travelers will use when flying to Haiphong from London Heathrow. Booking flights from London Heathrow to Catbi (HPH) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 1 airline.

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

    There are many flights that can get you from London Heathrow Airport to Haiphong in 20h 40m. Fly via Vietnam Airlines to get the fastest option. London Heathrow Airport and Haiphong are separated by a distance of 5794 mi.

  • Can I find deals for flights from Heathrow to Haiphong that include hotel bookings?

    Yes. In addition to deals on Heathrow to Haiphong flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Haiphong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Haiphong.

  • Can I find deals for business class flights from Heathrow to Haiphong?

    Yes. Cheapflights offers flight deals from Heathrow to Haiphong 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 Haiphong?

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Haiphong (average of £387). Flying from London Heathrow Airport to Haiphong in August is currently the most expensive (average of £608). 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.

Top airline flying from Heathrow to Haiphong

Discover the top airline that operate flights from Heathrow to Haiphong. 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest£828Average£985FlexibilityNo cancel feeOn-time81%
Search Vietnam 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 Haiphong?

Deals for Heathrow to Haiphong flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Haiphong from Heathrow.

Can Cheapflights find flights from Heathrow to Haiphong with no change fees?

Need flexible booking options for your flight to Haiphong from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Haiphong 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.