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

For as low as £829, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 21h 30m. Airlines will cover a distance of 5794 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 China Southern (£318), Cathay Pacific (£507), and Vietnam Airlines (£596).

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 £1,504 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £431 while the most popular route, (London Heathrow - Ho Chi Minh City) is currently priced at £438.

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 (80%), Vietnam Airlines (72%) or Cambodia Angkor Air (72%) 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?

Monday is generally a great day to depart. Flying on this day could help you save up to 8%.

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

Find a great deal and save up to 28% by booking at least 29 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 £533.

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 £656 for the month, but tickets can be as low as £382. 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.

£298+ Flights from London Heathrow Airport to Vietnam

Cheap flight deals from Heathrow to Vietnam

Round-trip from	£411
One-way from	£308
Popular in	July
Cheapest in	November
Average price	£782
Good round-trip deal	£603 or less
Good one-way deal	£485 or less

Shenzhen Airlines
19/9-4/10
2 total stops
44h 55m total
London to Vietnam

Search Deals

8/9
2 total stops
26h 15m total
London to Vietnam

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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 19 August 2025.

Fri 19/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sat 4/1002:10HAN - LHR

1 stop23h 50mShenzhen Airlines

Deal found 18/8£411

Mon 29/922:05LHR - HAN

1 stop28h 35mShenzhen Airlines

Sun 26/1002:10HAN - LHR

1 stop24h 00mShenzhen Airlines

Deal found 18/8£412

Mon 15/922:40LHR - HAN

1 stop31h 15mAir China

Sun 21/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 18/8£419

Tue 16/922:40LHR - HAN

1 stop31h 15mAir China

Mon 29/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 17/8£424

Mon 1/921:20LHR - HAN

2 stops37h 10mChina Eastern

Thu 4/915:00HAN - LHR

1 stop33h 40mChina Eastern

Deal found 18/8£427

Fri 19/922:40LHR - HAN

1 stop31h 15mAir China

Sat 4/1013:25HAN - LHR

1 stop37h 05mAir China

Deal found 18/8£430

Wed 17/922:40LHR - HAN

1 stop31h 15mAir China

Mon 29/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 18/8£434

Sat 22/1117:40LHR - HAN

1 stop35h 15mAir China

Sun 7/1213:20HAN - LHR

1 stop35h 30mAir China

Deal found 17/8£434

Mon 27/1021:10LHR - HAN

1 stop21h 00mShenzhen Airlines

Sat 8/1102:10HAN - LHR

1 stop24h 00mShenzhen Airlines

Deal found 18/8£436

Mon 13/1022:05LHR - HAN

1 stop28h 35mShenzhen Airlines

Sun 19/1018:40HAN - LHR

1 stop31h 10mShenzhen Airlines

Deal found 18/8£437

Wed 27/820:25LHR - HAN

1 stop33h 30mAir China

Wed 10/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 17/8£437

Fri 12/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sun 5/1015:05HAN - LHR

1 stop34h 45mShenzhen Airlines

Deal found 18/8£438

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 19 August 2025.

Sun 14/922:05LHR - HAN

1 stop37h 35mShenzhen Airlines

Fri 3/1018:40HAN - LHR

1 stop31h 10mShenzhen Airlines

Deal found 18/8£412

Mon 15/920:25LHR - HAN

1 stop33h 30mAir China

Mon 22/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 17/8£454

Mon 17/1122:00LHR - CXR

1 stop36h 40mChina Southern

Fri 28/1118:45CXR - LHR

1 stop30h 30mChina Southern

Deal found 18/8£457

Mon 17/1122:00LHR - CXR

2 stops27h 05mMultiple Airlines

Tue 25/1118:45CXR - LHR

2 stops30h 10mMultiple Airlines

Deal found 18/8£463

Tue 21/1021:20LHR - SGN

1 stop22h 15mChina Eastern

Sat 8/1116:50SGN - LHR

2 stops55h 40mChina Eastern

Deal found 16/8£536

Tue 16/906:15LHR - HPH

2 stops21h 30mVietnam Airlines

Tue 23/906:20HPH - LHR

1 stop17h 30mVietnam Airlines

Deal found 17/8£829

Sat 13/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sun 21/902:10HAN - LHR

1 stop23h 40mShenzhen Airlines

Deal found 16/8£438

Mon 17/1122:00LHR - CXR

1 stop36h 40mChina Southern

Tue 25/1118:45CXR - LHR

1 stop30h 30mChina Southern

Deal found 18/8£457

Mon 17/1122:00LHR - CXR

2 stops27h 05mMultiple Airlines

Fri 28/1118:45CXR - LHR

2 stops30h 10mMultiple Airlines

Deal found 18/8£463

Mon 15/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sat 20/902:10HAN - LHR

1 stop23h 50mShenzhen Airlines

Deal found 16/8£438

Mon 15/922:05LHR - HAN

1 stop37h 35mShenzhen Airlines

Sun 21/902:10HAN - LHR

1 stop23h 40mShenzhen Airlines

Deal found 16/8£438

Fri 12/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sun 5/1015:05HAN - LHR

1 stop34h 45mShenzhen Airlines

Deal found 18/8£438

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 19 August 2025.

Tue 13/111:00LHR - SGN

Nonstop12h 05mVietnam Airlines

Tue 9/610:30SGN - LHR

Nonstop13h 20mVietnam Airlines

Deal found 17/8£678

Thu 15/111:00LHR - SGN

Nonstop12h 05mVietnam Airlines

Wed 4/200:15SGN - LHR

Nonstop14h 00mVietnam Airlines

Deal found 17/8£697

Tue 16/919:50LHR - SGN

Nonstop12h 30mVietnam Airlines

Mon 27/1000:15SGN - LHR

Nonstop14h 00mVietnam Airlines

Deal found 18/8£706

Tue 3/211:00LHR - SGN

Nonstop12h 05mVietnam Airlines

Mon 2/300:15SGN - LHR

Nonstop14h 00mVietnam Airlines

Deal found 17/8£712

Tue 16/919:50LHR - SGN

Nonstop12h 30mVietnam Airlines

Mon 17/1100:15SGN - LHR

Nonstop14h 00mVietnam Airlines

Deal found 17/8£714

Thu 13/1111:00LHR - SGN

Nonstop12h 05mVietnam Airlines

Wed 26/1100:15SGN - LHR

Nonstop14h 00mVietnam Airlines

Deal found 17/8£716

Tue 4/1111:00LHR - SGN

Nonstop12h 05mVietnam Airlines

Mon 1/1200:15SGN - LHR

Nonstop14h 00mVietnam Airlines

Deal found 18/8£719

Tue 13/111:00LHR - SGN

Nonstop12h 05mVietnam Airlines

Mon 2/200:15SGN - LHR

Nonstop14h 00mVietnam Airlines

Deal found 17/8£725

Thu 2/1019:10LHR - SGN

Nonstop12h 30mVietnam Airlines

Thu 9/1009:35SGN - LHR

Nonstop13h 20mVietnam Airlines

Deal found 18/8£726

Wed 3/918:55LHR - HAN

Nonstop11h 45mVietnam Airlines

Wed 8/1010:10HAN - LHR

Nonstop12h 45mVietnam Airlines

Deal found 18/8£751

Wed 17/918:55LHR - HAN

Nonstop11h 45mVietnam Airlines

Wed 1/1010:10HAN - LHR

Nonstop12h 45mVietnam Airlines

Deal found 17/8£771

Mon 15/918:55LHR - HAN

Nonstop11h 45mVietnam Airlines

Wed 1/1010:10HAN - LHR

Nonstop12h 45mVietnam Airlines

Deal found 18/8£774

Last-minute flights from Heathrow to Vietnam
Discover last-minute flight deals from Heathrow to Vietnam. Data last updated 19 August 2025 and is based on user searches.

Wed 27/820:25LHR - HAN

1 stop33h 30mAir China

Wed 10/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 17/8£437

Wed 27/821:20LHR - HAN

2 stops37h 10mChina Eastern

Tue 9/915:00HAN - LHR

1 stop33h 40mChina Eastern

Deal found 17/8£444

Mon 1/921:20LHR - HAN

2 stops37h 10mChina Eastern

Thu 4/915:00HAN - LHR

1 stop33h 40mChina Eastern

Deal found 18/8£427

Mon 1/921:20LHR - HAN

1 stop22h 00mChina Eastern

Tue 9/920:15HAN - LHR

2 stops52h 25mChina Eastern

Deal found 17/8£443

Fri 5/921:20LHR - HAN

1 stop22h 00mChina Eastern

Fri 12/917:15HAN - LHR

2 stops31h 25mChina Eastern

Deal found 17/8£442

Fri 12/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sun 5/1015:05HAN - LHR

1 stop34h 45mShenzhen Airlines

Deal found 18/8£438

Mon 15/922:40LHR - HAN

1 stop31h 15mAir China

Sun 21/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 18/8£419

Tue 16/922:40LHR - HAN

1 stop31h 15mAir China

Mon 29/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 17/8£424

Wed 17/922:40LHR - HAN

1 stop31h 15mAir China

Mon 29/913:25HAN - LHR

1 stop37h 05mAir China

Deal found 18/8£434

Fri 19/922:05LHR - HAN

1 stop21h 05mShenzhen Airlines

Sat 4/1002:10HAN - LHR

1 stop23h 50mShenzhen Airlines

Deal found 18/8£411

Fri 19/922:40LHR - HAN

1 stop31h 15mAir China

Sat 4/1013:25HAN - LHR

1 stop37h 05mAir China

Deal found 18/8£430

Mon 29/922:05LHR - HAN

1 stop28h 35mShenzhen Airlines

Sun 26/1002:10HAN - LHR

1 stop24h 00mShenzhen Airlines

Deal found 18/8£412

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 19 August 2025.

Mon 8/922:05LHR - DAD

2 stops26h 15mMultiple Airlines

Deal found 18/8£308

Wed 10/922:05LHR - HAN

2 stops31h 45mMultiple Airlines

Deal found 17/8£313

Tue 23/922:15LHR - SGN

2 stops28h 05mMultiple Airlines

Deal found 17/8£314

Tue 23/922:15LHR - HAN

2 stops31h 40mMultiple Airlines

Deal found 17/8£314

Sun 7/922:05LHR - SGN

2 stops28h 00mMultiple Airlines

Deal found 18/8£315

Wed 17/922:05LHR - HAN

2 stops40h 20mMultiple Airlines

Deal found 18/8£315

Sat 27/922:05LHR - CXR

2 stops39h 40mMultiple Airlines

Deal found 17/8£315

Fri 19/922:05LHR - HAN

2 stops31h 45mMultiple Airlines

Deal found 18/8£316

Sat 20/922:05LHR - HAN

2 stops35h 45mMultiple Airlines

Deal found 18/8£317

Thu 20/1122:00LHR - SGN

1 stop20h 20mChina Southern

Deal found 17/8£318

Sat 20/922:05LHR - HAN

1 stop28h 35mShenzhen Airlines

Deal found 17/8£318

Wed 19/1122:00LHR - SGN

1 stop17h 10mChina Southern

Deal found 17/8£319

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

Sun 14/9

22:05-17:40

1 stop37h 35m

Hanoi Noibai

Fri 3/10

18:40-19:50

1 stop31h 10m

£412

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 13/9

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Sun 21/9

02:10-19:50

1 stop23h 40m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 15/9

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Sat 20/9

02:10-20:00

1 stop23h 50m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 15/9

22:05-17:40

1 stop37h 35m

Hanoi Noibai

Sun 21/9

02:10-19:50

1 stop23h 40m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Fri 12/9

22:05-01:10

1 stop21h 05m

Hanoi Noibai

Sun 5/10

15:05-19:50

1 stop34h 45m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 13/9

22:05-14:05

1 stop34h 00m

Hanoi Noibai

Thu 18/9

02:10-20:00

1 stop23h 50m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sun 14/9

22:05-14:05

1 stop34h 00m

Hanoi Noibai

Sun 21/9

18:40-19:50

1 stop31h 10m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Sat 13/9

22:05-17:40

1 stop37h 35m

Hanoi Noibai

Sat 20/9

18:40-20:00

1 stop31h 20m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Wed 17/9

22:05-08:40

1 stop28h 35m

Hanoi Noibai

Sat 20/9

02:10-20:00

1 stop23h 50m

£438

LondonHanoi

LHR - HAN

LHRHAN

London Heathrow

Mon 15/9

20:25-11:55

1 stop33h 30m

Hanoi Noibai

Mon 22/9

13:25-20:30

1 stop37h 05m

£454

Flights are sorted by cheapest return flights first.

Deals found on 16/8

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 £817). 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 Thursday evenings when fares are most often at their lowest. Friday 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, China Southern, andVietnam Airlines 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

969 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

969 reviews

Cathay Pacific

7.6

Good

969 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

7.6

Good

106 reviews

Cathay Pacific

7.6

Good

969 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

7.5

Good

198 reviews

Cathay Pacific

7.6

Good

969 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

3,611 reviews

Cathay Pacific

7.6

Good

969 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 £829, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 21h 30m. Airlines will cover a distance of 5794 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 China Southern (£318), Cathay Pacific (£507), and Vietnam Airlines (£596).
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 (80%), Vietnam Airlines (72%) or Cambodia Angkor Air (72%) 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 £1,504 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £431 while the most popular route, (London Heathrow - Ho Chi Minh City) is currently priced at £438.
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 £817). 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
Air China	Cheapest£366	Average£463	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Southern	Cheapest£377	Average£567	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Shenzhen Airlines	Cheapest£377	Average£455	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
China Eastern	Cheapest£402	Average£576	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air India	Cheapest£407	Average£626	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Etihad Airways	Cheapest£517	Average£590	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Air France	Cheapest£531	Average£637	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Malaysia Airlines	Cheapest£539	Average£642	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Singapore Airlines	Cheapest£546	Average£724	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Oman Air	Cheapest£556	Average£587	FlexibilityNo cancel fee	On-time76%	Search Oman Air 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 £298

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 22/11. 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 19 August 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 19 August 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 19 August 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 19 August 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, China Southern, andVietnam Airlines 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 19 August 2025.