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

For as low as £645, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 12h 10m. Airlines will cover a distance of 6345 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 Shenzhen Airlines (£245), Etihad Airways (£256), and Air China (£257).

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 - Hanoi Noibai, London Heathrow - Ho Chi Minh City and London Heathrow - Da Nang.

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

On average you can expect to pay £1,677 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £413 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £401.

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: Vietnam Airlines, China Southern or Cathay Pacific.

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

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

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.

£239+ Cheap Flights from London Heathrow Airport to Vietnam

Cheap flight deals from Heathrow to Vietnam

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 23 September 2026.

Sun 29/1120:25 -

1 stop21h 45m

Mon 14/1202:30 -

1 stop20h 25m

Deal found 22/9£399

Fri 6/1121:10 -

1 stop21h 20m

Thu 12/1102:30 -

1 stop23h 40m

Deal found 22/9£400

Sun 1/1121:10 -

1 stop21h 40m

Wed 2/1202:50 -

1 stop24h 40m

Deal found 21/9£404

Fri 25/922:10 -

1 stop21h 25m

Thu 8/1002:35 -

1 stop22h 45m

Deal found 20/9£405

Mon 2/1121:00 -

1 stop21h 10m

Mon 16/1116:55 -

2 stops31h 35m

Deal found 22/9£406

Sat 7/1117:45 -

1 stop24h 25m

Wed 18/1102:30 -

1 stop22h 20m

Deal found 23/9£407

Sun 15/1120:25 -

1 stop21h 45m

Mon 14/1202:30 -

1 stop22h 20m

Deal found 21/9£407

Wed 4/1121:10 -

1 stop21h 40m

Tue 10/1102:50 -

1 stop23h 20m

Deal found 20/9£408

Wed 25/1122:00 -

1 stop18h 15m

Sat 12/1208:15 -

1 stop17h 20m

Deal found 22/9£408

Tue 20/1022:00 -

1 stop21h 50m

Mon 26/1002:50 -

1 stop24h 40m

Deal found 19/9£409

Wed 11/1121:10 -

1 stop29h 30m

Fri 20/1102:10 -

1 stop24h 00m

Deal found 20/9£409

Fri 27/1121:10 -

1 stop21h 00m

Thu 10/1202:10 -

1 stop24h 00m

Deal found 22/9£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 23 September 2026.

Mon 9/1122:00 -

1 stop18h 15m

Sun 22/1104:30 -

1 stop20h 20m

Deal found 23/9£485

Fri 6/1121:10 -

1 stop29h 30m

Sat 28/1118:40 -

1 stop31h 30m

Deal found 20/9£494

Mon 9/1121:00 -

1 stop21h 45m

Mon 23/1116:00 -

2 stops32h 30m

Deal found 23/9£501

Thu 19/1111:00 -

Nonstop12h 10m

Mon 14/1200:20 -

Nonstop13h 55m

Deal found 21/9£645

Sat 5/1222:00 -

1 stop28h 40m

Tue 15/1210:40 -

1 stop38h 55m

Deal found 21/9£666

Wed 18/1120:05 -

2 stops40h 00m

Wed 16/1210:15 -

2 stops39h 10m

Deal found 21/9£681

Sat 31/1020:55 -

2 stops35h 55m

Wed 4/1113:05 -

2 stops36h 05m

Deal found 18/9£721

Wed 4/1110:40 -

1 stop25h 05m

Wed 11/1119:35 -

1 stop19h 05m

Deal found 19/9£762

Sun 27/906:30 -

2 stops25h 25m

Sat 3/1008:50 -

2 stops28h 50m

Deal found 21/9£928

Mon 9/1111:00 -

1 stop17h 40m

Wed 24/310:20 -

1 stop35h 40m

Deal found 19/9£994

Sat 31/1009:00 -

3 stops31h 00m

Thu 12/1119:55 -

2 stops19h 10m

Deal found 19/9£1,056

Sun 29/1121:10 -

1 stop21h 20m

Sat 30/102:50 -

1 stop23h 20m

Deal found 22/9£540

Wed 18/1119:45 -

2 stops29h 30m

Thu 3/1217:25 -

3 stops31h 20m

Deal found 20/9£580

Fri 6/1121:00 -

1 stop20h 05m

Fri 13/1121:00 -

2 stops27h 30m

Deal found 22/9£614

Mon 23/1111:00 -

Nonstop11h 20m

Wed 25/1105:00 -

1 stop33h 15m

Deal found 22/9£647

Wed 18/1122:00 -

1 stop36h 40m

Thu 3/1218:45 -

1 stop30h 50m

Deal found 20/9£682

Thu 29/1011:00 -

Nonstop12h 10m

Tue 17/1111:00 -

1 stop27h 15m

Deal found 19/9£651

Sat 5/1213:55 -

3 stops24h 45m

Tue 15/1210:00 -

2 stops27h 40m

Deal found 21/9£689

Wed 9/1213:55 -

1 stop21h 15m

Mon 11/107:40 -

1 stop37h 50m

Deal found 23/9£766

Thu 19/1111:00 -

1 stop17h 30m

Mon 30/1120:55 -

1 stop17h 20m

Deal found 20/9£654

Sat 5/1213:55 -

3 stops26h 00m

Mon 21/1215:05 -

2 stops28h 00m

Deal found 21/9£693

Thu 18/220:55 -

2 stops32h 10m

Tue 23/313:05 -

2 stops36h 05m

Deal found 23/9£796

Mon 23/1111:00 -

2 stops36h 40m

Wed 25/1115:35 -

1 stop22h 40m

Deal found 22/9£680

Tue 10/1108:50 -

2 stops20h 15m

Tue 23/313:05 -

2 stops30h 00m

Deal found 21/9£813

Mon 16/1111:00 -

1 stop27h 20m

Thu 19/1118:25 -

1 stop19h 50m

Deal found 19/9£684

Sat 17/1010:00 -

2 stops26h 05m

Sat 24/1013:15 -

2 stops31h 45m

Deal found 19/9£766

Thu 10/1222:30 -

1 stop28h 10m

Wed 6/114:55 -

1 stop36h 35m

Deal found 21/9£988

Sun 29/1111:00 -

1 stop19h 30m

Sun 6/1214:05 -

1 stop24h 10m

Deal found 23/9£694

Tue 1/1221:00 -

2 stops30h 50m

Wed 13/111:25 -

3 stops26h 15m

Deal found 22/9£767

Mon 23/1108:40 -

2 stops18h 55m

Wed 25/1119:45 -

2 stops21h 45m

Deal found 21/9£1,124

Find flight deals from Heathrow to Vietnam

Round-trip from	£399
One-way from	£239
Popular in	December
Cheapest in	September
Average price	£519
Good round-trip deal	£654 or less
Good one-way deal	£421 or less

Air China
29/11-14/12
2 total stops
42h 10m total
London to Vietnam

Search Deals

17/11-31/12
2 total stops
34h 05m total
London to Vietnam

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£8 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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

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

Cheapest return flight

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Thu 26/11

09:55-17:50

3 stops48h 55m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£267

LondonPhu Quoc

LHR London Heathrow - PQC Phu Quoc Duong Dang

LHRPQC

London Heathrow

Mon 28/9

22:10-18:50

2 stops38h 40m

Phu Quoc Duong Dang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£297

LondonNha Trang

LHR London Heathrow - CXR Nha Trang Cam Ranh

LHRCXR

London Heathrow

Sun 27/9

22:10-13:00

2 stops32h 50m

Nha Trang Cam Ranh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£298

LondonPhu Quoc

LHR London Heathrow - PQC Phu Quoc Duong Dang

LHRPQC

London Heathrow

Thu 22/10

22:00-18:20

2 stops38h 20m

Phu Quoc Duong Dang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£319

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Sat 5/12

13:55-23:00

3 stops26h 05m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£329

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Sun 27/9

22:10-12:20

2 stops32h 10m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£344

LondonNha Trang

LHR London Heathrow - CXR Nha Trang Cam Ranh

LHRCXR

London Heathrow

Mon 2/11

21:10-12:20

3 stops32h 10m

Nha Trang Cam Ranh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£347

LondonPhu Quoc

LHR London Heathrow - PQC Phu Quoc Duong Dang

LHRPQC

London Heathrow

Fri 27/11

21:00-00:05

1 stop20h 05m

Phu Quoc Duong Dang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£352

LondonPhu Quoc

LHR London Heathrow - PQC Phu Quoc Duong Dang

LHRPQC

London Heathrow

Wed 30/9

22:00-08:35

2 stops28h 35m

Phu Quoc Duong Dang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£359

LondonPhu Quoc

LHR London Heathrow - PQC Phu Quoc Duong Dang

LHRPQC

London Heathrow

Tue 29/9

22:15-14:30

3 stops34h 15m

Phu Quoc Duong Dang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£361

Flights are sorted by cheapest return flights first.

Deals found on 22/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LHR-SGN

LHR-HAN

LHR-CXR

LHR-DAD

LHR-PQC

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

LHR-VN0

LHR-SGN

LHR-HAN

LHR-CXR

LHR-DAD

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 £636). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £905). 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 often are flights from London to Vietnam delayed?

About 10% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 137 minutes.

What is the most punctual flight time for London to Vietnam flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Vietnam flights?

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

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

The best time to book flights from London Heathrow Airport to Vietnam is 88 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.

Reviews of airlines servicing Vietnam

See what other customers who have flown with Vietnam Airlines,Cathay Pacific, andQatar Airways 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.

Vietnam Airlines

7.7

Good

289 reviews

Check prices

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

289 reviews

Vietnam Airlines

7.7

Good

289 reviews

Check prices

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

1,494 reviews

Vietnam Airlines

7.7

Good

289 reviews

Check prices

Reviews

1 / 16

2.0

Mediocre

Stephen,Apr 2026

SGN - DAD

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

Qatar Airways

7.3

Good

3,730 reviews

Vietnam Airlines

7.7

Good

289 reviews

Check prices

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

1,533 reviews

Vietnam Airlines

7.7

Good

289 reviews

Check prices

Reviews

1 / 16

2.0

Mediocre

Stephen,Apr 2026

SGN - DAD

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

China Southern

7.3

Good

172 reviews

Vietnam Airlines

7.7

Good

289 reviews

Check prices

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

How long is the flight from London Heathrow Airport to Vietnam?
For as low as £645, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 12h 10m. Airlines will cover a distance of 6345 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 Shenzhen Airlines (£245), Etihad Airways (£256), and Air China (£257).
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 - Hanoi Noibai, London Heathrow - Ho Chi Minh City and London Heathrow - Da Nang.
What are the cheapest flights from London Heathrow Airport to Vietnam?
On average you can expect to pay £1,677 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £413 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £401.
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 £636). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £905). 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

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Top destinations

Top regions

Alternative routes for Heathrow to Vietnam

Heathrow to Suvarnabhumi flights

Gatwick to Suvarnabhumi flights

Stansted to Suvarnabhumi flights

London City to Suvarnabhumi flights

Heathrow to New Delhi flights

Heathrow to Haneda flights

Heathrow to Mumbai flights

Heathrow to Don Mueang Intl flights

Gatwick to Don Mueang Intl flights

Luton to Suvarnabhumi flights

Heathrow to Hong Kong flights

Heathrow to Colombo flights

Heathrow to Narita flights

Heathrow to Kuala Lumpur Intl flights

Gatwick to Haneda flights

Heathrow to Manila flights

Gatwick to Narita flights

Stansted to Narita flights

Gatwick to New Delhi flights

Stansted to New Delhi flights

Heathrow to Islamabad flights

Stansted to Haneda flights

Gatwick to Manila flights

London City to Narita flights

Gatwick to Mumbai flights

Stansted to Manila flights

Heathrow to Lahore flights

Heathrow to Singapore flights

Stansted to Mumbai flights

Gatwick to Colombo flights

Heathrow to Incheon Intl flights

Gatwick to Singapore flights

Gatwick to Hong Kong flights

Gatwick to Kuala Lumpur Intl flights

Heathrow to Phuket City flights

London City to Manila flights

Gatwick to Ahmedabad flights

Stansted to Colombo flights

Stansted to Islamabad flights

Gatwick to Islamabad flights

Heathrow to Hyderabad flights

London City to Hong Kong flights

Stansted to Hong Kong flights

Heathrow to Dhaka flights

Heathrow to Taiwan Taoyuan Intl flights

London City to Haneda flights

Stansted to Lahore flights

Heathrow to Kathmandu flights

Heathrow to Ahmedabad flights

Top 10 airlines flying from Heathrow to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest£127	Average£618	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Hainan Airlines	Cheapest£192	Average£395	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Etihad Airways	Cheapest£345	Average£706	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Shenzhen Airlines	Cheapest£371	Average£512	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Air China	Cheapest£382	Average£486	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Eastern	Cheapest£383	Average£491	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£401	Average£565	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Malaysia Airlines	Cheapest£530	Average£740	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Qatar Airways	Cheapest£559	Average£738	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Cathay Pacific	Cheapest£577	Average£839	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific 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!

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.

Cheap flights from London Heathrow Airport to Vietnam from £239

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Vietnam

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 23 September 2026.

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 23 September 2026.

Best flights from Heathrow to VietnamDiscover 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 23 September 2026.

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 23 September 2026.

Direct flights from Heathrow to VietnamExplore direct flight options from Heathrow to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 23 September 2026.

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 23 September 2026.

Last-minute flights from Heathrow to VietnamDiscover last-minute flight deals from Heathrow to Vietnam. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Vietnam. Data last updated 23 September 2026 and is based on user searches.

One-way flights from Heathrow to VietnamSearch for one-way flight options from Heathrow to Vietnam. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Search for one-way flight options from Heathrow to Vietnam. Find affordable one-way fares based on user searches. Data last updated 23 September 2026.

Find flight deals from Heathrow to Vietnam

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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

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

How often are flights from London to Vietnam delayed?

About 10% of weekly flights between London and Vietnam have experienced delays in the past year, with the average delay time being 137 minutes.

What is the most punctual flight time for London to Vietnam flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Vietnam flights?

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

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

The best time to book flights from London Heathrow Airport to Vietnam is 88 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.

Reviews of airlines servicing Vietnam

See what other customers who have flown with Vietnam Airlines,Cathay Pacific, andQatar Airways 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

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 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?

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.

Alternative routes for Heathrow to Vietnam

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Vietnam by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to Vietnam by cabin class

Find flights from Heathrow to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Vietnam flights

Browse other Heathrow and Vietnam flight options. Last updated on 23 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Heathrow to Vietnam flights

Consider these flights travelling from Heathrow to Vietnam.

Fly to Vietnam regions

Consider these flights travelling to Vietnam regions.

Top 10 airlines flying from Heathrow to Vietnam

Fly with Cheapflights

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

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

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

Can Cheapflights notify me if prices for flights from Heathrow to Vietnam become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 23 September 2026.

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 23 September 2026.

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 23 September 2026.

Last-minute flights from Heathrow to Vietnam
Discover last-minute flight deals from Heathrow to Vietnam. Data last updated 23 September 2026 and is based on user searches.

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 23 September 2026.