How long is the flight from London Heathrow Airport to Vietnam?

For as low as £436, Air China can have you in Vietnam from London Heathrow Airport in 21h. Airlines will cover a distance of 5736 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from London Heathrow Airport to Vietnam one-way?

The cheapet airlines for a one-way flight from London Heathrow Airport to Vietnam are Air China (£293), China Eastern (£324), and Shenzhen Airlines (£330).

In terms of precipitation, rainfall in Vietnam ranges from 0.0 - 340.0 inches per month. September is typically the wettest month, when rainfall can reach 340.0 mm. February is typically the driest time to visit Vietnam when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Vietnam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.0 C).

What are the most popular routes from London Heathrow Airport to Vietnam?

The most popular flight routes from London Heathrow Airport to Vietnam are London Heathrow - Ho Chi Minh City, London Heathrow - Hanoi Noibai and London Heathrow - Da Nang.

What are the cheapest flights from London Heathrow Airport to Vietnam?

On average you can expect to pay £1,455 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £407 while the most popular route, (London Heathrow - Ho Chi Minh City) is currently priced at £383.

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

No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Vietnam consider choosing Scandinavian Airlines (69%), Vietnam Airlines (69%) or Cambodia Angkor Air (69%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from London Heathrow Airport to Vietnam?

Before booking your flight from London Heathrow Airport to Vietnam check out the most popular airlines for this route: Air France, Air India or British Airways.

What is the cheapest day to fly round-trip from London Heathrow Airport to Vietnam?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 7%.

How far in advance should I book a flight from London Heathrow Airport to Vietnam?

Find a great deal and save up to 29% by booking at least 19 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Vietnam within the next two weeks, with the cheapest ticket starting at £531.

What is the cheapest month to fly from London Heathrow Airport to Vietnam?

Our data shows that November tends to be the cheapest month to fly to Vietnam from London Heathrow Airport. Users have commonly found prices around £652 for the month, but tickets can be as low as £381. Due to multiple factors, prepare for potentially higher prices in July.

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

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

How can I find direct flights from Heathrow to Vietnam?

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

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

Yes. Cheapflights offers flight deals from Heathrow to Vietnam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£286+ Flights from London Heathrow Airport to Vietnam

Cheap flight deals from Heathrow to Vietnam

Round-trip from	£393
One-way from	£286
Popular in	July
Cheapest in	November
Average price	£580
Good round-trip deal	£650 or less
Good one-way deal	£434 or less

Air China
28/10-27/11
2 total stops
70h 45m total
London to Vietnam

Search Deals

Air China
2/10
1 total stop
20h 00m total
London to Vietnam

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£66 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from London Heathrow to Vietnam.

Search Deals

Price to beat on a one-way flight from London Heathrow to Vietnam.

Search Deals

Find flight deals from Heathrow to Vietnam

Cheapest flights from Heathrow to Vietnam
Explore the most affordable flight options available from Heathrow to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Tue 28/1017:40LHR - HAN

1 stop35h 15mAir China

Thu 27/1113:20HAN - LHR

1 stop35h 30mAir China

Deal found 13/9£393

Mon 1/1220:25LHR - HAN

1 stop32h 35mAir China

Sun 14/1213:20HAN - LHR

1 stop35h 30mAir China

Deal found 13/9£396

Mon 27/1020:25LHR - HAN

1 stop32h 35mAir China

Mon 17/1113:20HAN - LHR

1 stop35h 30mAir China

Deal found 14/9£397

Wed 29/1020:25LHR - HAN

1 stop32h 35mAir China

Wed 5/1113:30HAN - LHR

1 stop35h 20mAir China

Deal found 14/9£400

Tue 14/1022:40LHR - HAN

1 stop31h 15mAir China

Wed 22/1013:25HAN - LHR

1 stop37h 05mAir China

Deal found 14/9£400

Tue 28/1020:25LHR - HAN

1 stop32h 30mAir China

Tue 4/1113:20HAN - LHR

1 stop35h 30mAir China

Deal found 13/9£401

Tue 14/1022:40LHR - HAN

1 stop31h 15mAir China

Sun 26/1013:20HAN - LHR

1 stop35h 30mAir China

Deal found 13/9£403

Tue 14/1022:40LHR - HAN

1 stop31h 15mAir China

Tue 28/1013:20HAN - LHR

1 stop35h 30mAir China

Deal found 13/9£405

Sun 23/1117:40LHR - HAN

1 stop35h 15mAir China

Sun 7/1213:20HAN - LHR

1 stop33h 35mAir China

Deal found 13/9£406

Tue 14/1022:40LHR - HAN

1 stop31h 15mAir China

Wed 29/1013:30HAN - LHR

1 stop33h 25mAir China

Deal found 14/9£407

Wed 15/1022:40LHR - HAN

1 stop31h 15mAir China

Wed 29/1013:30HAN - LHR

1 stop35h 20mAir China

Deal found 13/9£409

Wed 24/922:05LHR - HAN

1 stop28h 35mShenzhen Airlines

Tue 11/1114:55HAN - LHR

1 stop35h 15mShenzhen Airlines

Deal found 13/9£410

Best flights from Heathrow to Vietnam
Discover carefully curated flight deals from Heathrow to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Thu 27/1117:40LHR - HAN

1 stop35h 15mAir China

Thu 11/1213:20HAN - LHR

1 stop33h 35mAir China

Deal found 14/9£406

Fri 21/1121:10LHR - HAN

1 stop21h 00mShenzhen Airlines

Tue 9/1202:10HAN - LHR

1 stop24h 00mShenzhen Airlines

Deal found 14/9£436

Thu 27/1121:00LHR - HAN

1 stop21h 45mChina Eastern

Thu 11/1215:45HAN - LHR

2 stops32h 45mChina Eastern

Deal found 14/9£448

Fri 6/322:00LHR - CXR

2 stops28h 55mMultiple Airlines

Fri 13/318:45CXR - LHR

1 stop30h 50mMultiple Airlines

Deal found 13/9£457

Fri 21/1121:30LHR - HAN

2 stops34h 40mChina Southern

Wed 10/1219:45HAN - LHR

1 stop29h 50mChina Southern

Deal found 14/9£484

Wed 14/119:20LHR - HAN

1 stop15h 50mEtihad Airways

Sun 3/519:40HAN - LHR

1 stop23h 05mEtihad Airways

Deal found 14/9£553

Sun 1/321:25LHR - DAD

1 stop30h 10mMalaysia Airlines

Wed 1/414:40DAD - LHR

1 stop31h 55mMalaysia Airlines

Deal found 14/9£637

Tue 30/915:35LHR - SGN

1 stop16h 15mQatar Airways

Mon 27/1019:40SGN - LHR

1 stop17h 35mQatar Airways

Deal found 15/9£648

Mon 29/908:05LHR - SGN

1 stop17h 35mBritish Airways

Mon 13/1009:20SGN - LHR

1 stop17h 05mBritish Airways

Deal found 14/9£650

Tue 30/906:15LHR - SGN

1 stop16h 30mVietnam Airlines

Thu 23/1009:35SGN - LHR

Nonstop13h 20mVietnam Airlines

Deal found 15/9£669

Sun 16/1117:50LHR - PQC

1 stop17h 05mCathay Pacific

Fri 28/1118:55PQC - LHR

1 stop27h 05mCathay Pacific

Deal found 13/9£673

Sat 1/1121:10LHR - SGN

1 stop21h 40mShenzhen Airlines

Thu 20/1102:50SGN - LHR

1 stop23h 20mShenzhen Airlines

Deal found 14/9£461

Direct flights from Heathrow to Vietnam
Explore direct flight options from Heathrow to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 September 2025.

Tue 2/1211:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Mon 15/1200:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 14/9£607

Thu 9/1019:10LHR - SGN

Nonstop12h 30mVietnam Airlines

Thu 16/1009:35SGN - LHR

Nonstop13h 20mVietnam Airlines

Deal found 13/9£609

Fri 5/1211:00LHR - HAN

Nonstop11h 20mVietnam Airlines

Sat 27/1200:45HAN - LHR

Nonstop13h 30mVietnam Airlines

Deal found 14/9£628

Thu 30/1011:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Wed 12/1100:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 13/9£629

Tue 25/1111:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Mon 1/1200:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 14/9£636

Thu 27/1111:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Mon 8/1200:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 13/9£642

Tue 25/1111:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Mon 8/1200:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 14/9£644

Tue 28/1011:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Wed 12/1100:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 13/9£647

Thu 25/919:10LHR - SGN

Nonstop12h 30mVietnam Airlines

Thu 16/1009:35SGN - LHR

Nonstop13h 20mVietnam Airlines

Deal found 12/9£653

Mon 1/1211:00LHR - HAN

Nonstop11h 20mVietnam Airlines

Sun 7/1200:45HAN - LHR

Nonstop13h 30mVietnam Airlines

Deal found 13/9£662

Tue 18/1111:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Mon 24/1100:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 13/9£667

Tue 18/1111:00LHR - SGN

Nonstop12h 10mVietnam Airlines

Wed 26/1100:20SGN - LHR

Nonstop13h 55mVietnam Airlines

Deal found 13/9£670

Last-minute flights from Heathrow to Vietnam
Discover last-minute flight deals from Heathrow to Vietnam. Data last updated 15 September 2025 and is based on user searches.

Tue 16/909:45LHR - SGN

1 stop28h 10mAir India

Thu 9/1020:55SGN - LHR

1 stop16h 35mAir India

Deal found 14/9£428

Tue 16/921:20LHR - SGN

1 stop22h 00mChina Eastern

Mon 29/902:20SGN - LHR

1 stop22h 20mChina Eastern

Deal found 13/9£442

Mon 22/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sat 18/1002:10HAN - LHR

1 stop23h 50mShenzhen Airlines

Deal found 13/9£411

Mon 22/909:45LHR - SGN

1 stop28h 10mAir India

Thu 25/920:55SGN - LHR

1 stop20h 35mAir India

Deal found 13/9£420

Tue 23/921:20LHR - SGN

2 stops39h 10mChina Eastern

Mon 13/1002:20SGN - LHR

1 stop22h 20mChina Eastern

Deal found 14/9£439

Wed 24/922:05LHR - HAN

1 stop28h 35mShenzhen Airlines

Tue 11/1114:55HAN - LHR

1 stop35h 15mShenzhen Airlines

Deal found 13/9£410

Wed 24/922:40LHR - SGN

1 stop20h 00mAir China

Sat 18/1005:10SGN - LHR

1 stop21h 20mAir China

Deal found 15/9£422

Wed 24/922:05LHR - SGN

1 stop21h 15mShenzhen Airlines

Tue 21/1002:20SGN - LHR

1 stop23h 40mShenzhen Airlines

Deal found 15/9£434

Wed 24/922:40LHR - SGN

2 stops42h 35mAir China

Mon 20/1000:20SGN - LHR

2 stops26h 10mAir China

Deal found 15/9£438

Sun 5/1022:05LHR - SGN

1 stop21h 15mShenzhen Airlines

Sat 18/1002:20SGN - LHR

1 stop23h 40mShenzhen Airlines

Deal found 14/9£432

Mon 13/1020:25LHR - SGN

1 stop22h 15mAir China

Mon 20/1005:10SGN - LHR

1 stop18h 35mAir China

Deal found 13/9£424

Wed 15/1022:40LHR - SGN

1 stop20h 00mAir China

Mon 27/1005:00SGN - LHR

1 stop19h 50mAir China

Deal found 13/9£421

One-way flights from Heathrow to Vietnam
Search for one-way flight options from Heathrow to Vietnam. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.

Thu 2/1022:40LHR - SGN

1 stop20h 00mAir China

Deal found 13/9£286

Sat 22/1122:00LHR - SGN

1 stop34h 05mChina Southern

Deal found 14/9£288

Wed 12/1117:40LHR - SGN

1 stop24h 30mAir China

Deal found 14/9£288

Sun 16/1117:15LHR - SGN

1 stop25h 25mChina Southern

Deal found 14/9£290

Sun 21/919:15LHR - SGN

1 stop23h 55mChina Southern

Deal found 14/9£290

Tue 13/117:40LHR - SGN

1 stop24h 30mAir China

Deal found 14/9£291

Thu 20/1120:25LHR - SGN

1 stop21h 45mAir China

Deal found 14/9£292

Mon 22/922:40LHR - SGN

2 stops41h 35mAir China

Deal found 13/9£293

Wed 7/117:40LHR - SGN

1 stop24h 30mAir China

Deal found 14/9£293

Sat 8/1122:00LHR - HAN

1 stop18h 15mChina Southern

Deal found 14/9£293

Tue 6/120:25LHR - SGN

1 stop21h 45mAir China

Deal found 14/9£294

Sun 11/117:40LHR - HAN

1 stop35h 15mAir China

Deal found 14/9£294

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Vietnam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 27/11

17:40-11:55

1 stop35h 15m

Hanoi Noibai

Thu 11/12

13:20-15:55

1 stop33h 35m

£406

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 21/11

21:10-01:10

1 stop21h 00m

Hanoi Noibai

Tue 9/12

02:10-19:10

1 stop24h 00m

£436

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Thu 27/11

21:00-01:45

1 stop21h 45m

Hanoi Noibai

Thu 11/12

15:45-17:30

2 stops32h 45m

£448

LondonNha Trang

LHR - CXR

LHRCXR

London Heathrow

Fri 6/3

22:00-09:55

2 stops28h 55m

Nha Trang Cam Ranh

Fri 13/3

18:45-18:35

1 stop30h 50m

£457

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Sat 1/11

21:10-01:50

1 stop21h 40m

Ho Chi Minh City

Thu 20/11

02:50-19:10

1 stop23h 20m

£461

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 31/10

21:10-08:40

1 stop28h 30m

Hanoi Noibai

Thu 27/11

02:10-19:10

1 stop24h 00m

£464

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 21/11

21:30-15:10

2 stops34h 40m

Hanoi Noibai

Wed 10/12

19:45-18:35

1 stop29h 50m

£484

LondonHo Chi Minh City

LHR - SGN

LHRSGN

London Heathrow

Fri 14/11

21:10-01:50

1 stop21h 40m

Ho Chi Minh City

Sun 30/11

02:50-19:10

1 stop23h 20m

£515

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 18/10

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Sat 25/10

02:10-20:10

1 stop24h 00m

£518

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 18/10

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Thu 23/10

02:10-20:00

1 stop23h 50m

£518

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 results

...

Best time to book a flight from Heathrow to Vietnam

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

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

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £812). Flying from London Heathrow Airport to Vietnam in July is currently the most expensive (average of £1,143). 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 VN?

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Vietnam in the afternoon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from London Heathrow Airport to Vietnam?

Travellers seeking maximum savings on their London Heathrow Airport to Vietnam flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Vietnam

See what other customers who have flown with Cathay Pacific, Vietnam Airlines, andChina Southern from London Heathrow Airport to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Cathay Pacific

7.6

Good

993 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Cathay Pacific

7.6

Good

993 reviews

Cathay Pacific

7.6

Good

993 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Vietnam Airlines

7.6

Good

201 reviews

Cathay Pacific

7.6

Good

993 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

China Southern

7.5

Good

110 reviews

Cathay Pacific

7.6

Good

993 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Qatar Airways

7.4

Good

3,624 reviews

Cathay Pacific

7.6

Good

993 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

anish,Aug 2025

HKG - KTM

Journey was way better than on the airbus from Toronto to Hongkong , as the economy seats were better .

Related info for your journey

How long is the flight from London Heathrow Airport to Vietnam?
For as low as £436, Air China can have you in Vietnam from London Heathrow Airport in 21h. Airlines will cover a distance of 5736 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London Heathrow Airport to Vietnam one-way?
The cheapet airlines for a one-way flight from London Heathrow Airport to Vietnam are Air China (£293), China Eastern (£324), and Shenzhen Airlines (£330).
What are the most popular routes from London Heathrow Airport to Vietnam?
The most popular flight routes from London Heathrow Airport to Vietnam are London Heathrow - Ho Chi Minh City, London Heathrow - Hanoi Noibai and London Heathrow - Da Nang.
What are the most reliable airlines from London Heathrow Airport to Vietnam?
No one likes to see their flight delayed. When booking a flight from London Heathrow Airport to Vietnam consider choosing Scandinavian Airlines (69%), Vietnam Airlines (69%) or Cambodia Angkor Air (69%) 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 Vietnam?
On average you can expect to pay £1,455 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £407 while the most popular route, (London Heathrow - Ho Chi Minh City) is currently priced at £383.
Can I find deals for flights from Heathrow to Vietnam that include hotel bookings?
Yes. In addition to deals on Heathrow to Vietnam flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Vietnam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Vietnam.
Can I find deals for business class flights from Heathrow to Vietnam?
Yes. Cheapflights offers flight deals from Heathrow to Vietnam 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 Vietnam?
Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Vietnam (average of £812). Flying from London Heathrow Airport to Vietnam in July is currently the most expensive (average of £1,143). 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

Top 10 airlines flying from Heathrow to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Emirates	Cheapest£322	Average£842	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
Air China	Cheapest£365	Average£456	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Southern	Cheapest£375	Average£571	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Shenzhen Airlines	Cheapest£376	Average£450	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Air India	Cheapest£399	Average£616	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
China Eastern	Cheapest£401	Average£557	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Etihad Airways	Cheapest£521	Average£606	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Malaysia Airlines	Cheapest£527	Average£640	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Air France	Cheapest£534	Average£611	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Singapore Airlines	Cheapest£545	Average£725	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Vietnam?

Cheapflights helps you search for flights from Heathrow to Vietnam via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to Vietnam 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 Vietnam with no change fees?

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

Can Cheapflights notify me if prices for flights from Heathrow to Vietnam 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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Cheap flights from London Heathrow Airport to Vietnam from £286

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Vietnam

Keep the following information in mind while searching for Heathrow to Vietnam flight deals. Data was last updated 15 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Vietnam

Cheapest flights from Heathrow to VietnamExplore the most affordable flight options available from Heathrow to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Explore the most affordable flight options available from Heathrow to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Vietnam that are best for you.

Best time to book a flight from Heathrow to Vietnam

Have a flexible travel schedule? Discover the best time to fly to Vietnam from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Vietnam

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

What is the cheapest time of day to fly from LHR to VN?

Find hourly flight availability from Heathrow to Vietnam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

What is the cheapest day to fly from London Heathrow Airport to Vietnam?

Use this chart to determine the cheapest time to fly return from Heathrow to Vietnam. Price data was last updated on 27 October 2024.

Reviews of airlines servicing Vietnam

See what other customers who have flown with Cathay Pacific, Vietnam Airlines, andChina Southern from London Heathrow Airport to Vietnam have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Vietnam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London Heathrow Airport to Vietnam?

What are the cheapest airlines to fly from London Heathrow Airport to Vietnam one-way?

What are the most popular routes from London Heathrow Airport to Vietnam?

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

What are the cheapest flights from London Heathrow Airport to Vietnam?

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

How can I find direct flights from Heathrow to Vietnam?

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

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

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Alternative routes for Heathrow to Vietnam

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Top 10 airlines flying from Heathrow to Vietnam

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Cheapest flights from Heathrow to Vietnam
Explore the most affordable flight options available from Heathrow to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.