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

For as low as £614, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 16h 50m. Airlines will cover a distance of 6362 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 (£243), Etihad Airways (£254), and Air China (£255).

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 - Phu Quoc Duong Dang.

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

On average you can expect to pay £1,662 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £409 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £397.

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.

£237+ 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 21 September 2026.

Fri 25/922:10 -

1 stop21h 25m

Thu 8/1002:35 -

1 stop22h 45m

Deal found 20/9£402

Thu 12/1122:30 -

1 stop20h 20m

Thu 26/1102:50 -

1 stop23h 20m

Deal found 18/9£402

Thu 19/1122:30 -

1 stop20h 20m

Wed 16/1202:50 -

1 stop24h 40m

Deal found 16/9£403

Thu 24/922:10 -

1 stop21h 25m

Sat 10/1011:55 -

1 stop37h 25m

Deal found 18/9£404

Wed 4/1121:10 -

1 stop21h 40m

Tue 10/1102:50 -

1 stop23h 20m

Deal found 20/9£405

Sun 1/1121:10 -

1 stop21h 40m

Sat 14/1102:50 -

1 stop23h 20m

Deal found 16/9£405

Sun 22/1121:10 -

1 stop21h 00m

Sun 29/1114:55 -

1 stop35h 15m

Deal found 21/9£405

Mon 21/922:10 -

1 stop17h 50m

Thu 1/1008:00 -

1 stop17h 20m

Deal found 16/9£406

Sat 14/1121:30 -

2 stops30h 45m

Wed 25/1118:30 -

2 stops31h 50m

Deal found 16/9£406

Wed 4/1121:10 -

1 stop21h 40m

Sun 15/1102:50 -

1 stop23h 20m

Deal found 17/9£407

Fri 25/922:10 -

1 stop18h 50m

Fri 16/1008:15 -

1 stop17h 05m

Deal found 19/9£407

Sun 1/1117:45 -

1 stop26h 30m

Tue 10/1104:30 -

1 stop18h 25m

Deal found 19/9£408

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 21 September 2026.

Thu 29/1022:30 -

1 stop20h 20m

Sat 14/1102:50 -

1 stop23h 20m

Deal found 19/9£421

Tue 3/1122:30 -

2 stops25h 55m

Tue 10/1117:45 -

2 stops32h 25m

Deal found 19/9£472

Tue 3/1111:00 -

1 stop16h 50m

Tue 10/1114:30 -

2 stops47h 45m

Deal found 19/9£614

Sat 26/920:45 -

2 stops36h 35m

Sun 4/1015:15 -

2 stops27h 30m

Deal found 17/9£628

Mon 5/1016:35 -

1 stop23h 25m

Mon 19/1013:25 -

1 stop30h 55m

Deal found 19/9£669

Sat 5/1222:00 -

1 stop28h 40m

Tue 15/1210:40 -

1 stop38h 55m

Deal found 21/9£674

Wed 21/1021:00 -

2 stops36h 00m

Mon 9/1122:40 -

2 stops38h 55m

Deal found 20/9£745

Wed 4/1110:40 -

1 stop25h 05m

Wed 11/1119:35 -

1 stop19h 05m

Deal found 19/9£755

Mon 23/1120:05 -

3 stops31h 50m

Mon 30/1116:45 -

3 stops27h 55m

Deal found 20/9£881

Wed 21/1020:50 -

2 stops33h 25m

Thu 5/1110:35 -

2 stops38h 50m

Deal found 20/9£932

Tue 20/1022:00 -

1 stop21h 10m

Wed 11/1114:55 -

1 stop36h 35m

Deal found 20/9£502

Sun 1/1121:10 -

2 stops27h 15m

Sun 8/1117:45 -

2 stops32h 25m

Deal found 17/9£505

Mon 23/1108:40 -

2 stops18h 55m

Wed 25/1119:45 -

2 stops21h 45m

Deal found 20/9£1,117

Sun 1/1121:10 -

2 stops29h 10m

Sun 8/1109:50 -

2 stops40h 20m

Deal found 17/9£514

Mon 8/221:10 -

1 stop21h 40m

Sun 28/202:50 -

1 stop23h 20m

Deal found 18/9£553

Thu 19/1111:00 -

1 stop17h 30m

Mon 30/1120:55 -

1 stop17h 20m

Deal found 20/9£648

Fri 25/914:45 -

2 stops23h 00m

Sun 4/1015:15 -

2 stops45h 45m

Deal found 17/9£661

Mon 15/217:40 -

1 stop34h 20m

Thu 25/200:10 -

1 stop22h 25m

Deal found 16/9£682

Fri 2/1020:10 -

2 stops28h 20m

Thu 12/1102:50 -

1 stop23h 20m

Deal found 20/9£576

Tue 2/222:30 -

1 stop19h 40m

Sat 20/214:55 -

1 stop35h 15m

Deal found 18/9£606

Sun 6/1211:00 -

1 stop19h 30m

Mon 14/1210:35 -

1 stop27h 40m

Deal found 16/9£671

Sun 6/1219:20 -

2 stops37h 30m

Mon 8/213:05 -

2 stops48h 35m

Deal found 17/9£710

Tue 26/122:30 -

1 stop28h 10m

Tue 2/202:10 -

1 stop24h 00m

Deal found 18/9£606

Mon 23/1111:00 -

2 stops36h 40m

Wed 25/1116:55 -

1 stop21h 20m

Deal found 18/9£675

Sat 17/1022:10 -

1 stop29h 55m

Sat 24/1011:05 -

2 stops33h 55m

Deal found 19/9£849

Sat 31/1020:55 -

2 stops35h 55m

Wed 4/1113:05 -

2 stops36h 05m

Deal found 20/9£715

Mon 1/318:40 -

2 stops21h 20m

Thu 1/415:50 -

3 stops27h 10m

Deal found 17/9£893

Mon 16/1111:00 -

1 stop27h 20m

Thu 19/1118:25 -

1 stop19h 50m

Deal found 17/9£676

Sat 5/1213:55 -

3 stops24h 45m

Tue 15/1210:00 -

2 stops27h 40m

Deal found 21/9£683

Fri 12/221:10 -

1 stop21h 00m

Fri 19/202:10 -

1 stop24h 00m

Deal found 16/9£657

Find flight deals from Heathrow to Vietnam

Round-trip from	£402
One-way from	£237
Popular in	December
Cheapest in	September
Average price	£514
Good round-trip deal	£648 or less
Good one-way deal	£417 or less

Shenzhen Airlines
12/11-26/11
2 total stops
43h 40m 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 (£7 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

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

£296

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

£316

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Tue 10/11

22:30-07:15

2 stops25h 45m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£331

LondonPhu Quoc

LHR London Heathrow - PQC Phu Quoc Duong Dang

LHRPQC

London Heathrow

Sun 11/10

21:20-18:35

2 stops39h 15m

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

Tue 29/9

22:00-14:30

2 stops34h 30m

Phu Quoc Duong Dang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£360

LondonPhu Quoc

LHR London Heathrow - PQC Phu Quoc Duong Dang

LHRPQC

London Heathrow

Mon 8/3

20:45-11:00

3 stops55h 15m

Phu Quoc Duong Dang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£364

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Tue 16/2

12:15-11:50

3 stops40h 35m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£367

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Thu 19/11

17:05-23:00

3 stops22h 55m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£369

LondonDa Nang

LHR London Heathrow - DAD Da Nang

LHRDAD

London Heathrow

Thu 26/11

11:45-21:45

3 stops27h 00m

Da Nang

Wed 31/12

00:00-17:00

Nonstop0h 00m

£369

LondonNha Trang

LHR London Heathrow - CXR Nha Trang Cam Ranh

LHRCXR

London Heathrow

Sun 11/10

21:20-14:55

2 stops35h 35m

Nha Trang Cam Ranh

Wed 31/12

00:00-17:00

Nonstop0h 00m

£388

Flights are sorted by cheapest return flights first.

Deals found on 19/9

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 £631). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £897). 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

288 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

288 reviews

Vietnam Airlines

7.7

Good

288 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

1,490 reviews

Vietnam Airlines

7.7

Good

288 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

3,731 reviews

Vietnam Airlines

7.7

Good

288 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

1,531 reviews

Vietnam Airlines

7.7

Good

288 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

288 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 £614, Shenzhen Airlines can have you in Vietnam from London Heathrow Airport in 16h 50m. Airlines will cover a distance of 6362 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 (£243), Etihad Airways (£254), and Air China (£255).
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 - Phu Quoc Duong Dang.
What are the cheapest flights from London Heathrow Airport to Vietnam?
On average you can expect to pay £1,662 for a flight from London Heathrow Airport to Vietnam. The cheapest flight overall is £409 while the most popular route, (London Heathrow - Hanoi Noibai) is currently priced at £397.
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 £631). Flying from London Heathrow Airport to Vietnam in December is currently the most expensive (average of £897). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 10 airlines flying from Heathrow to Vietnam

Airline	Cheapest	Average	Flexibility	On-time
Air India	Cheapest£126	Average£613	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Hainan Airlines	Cheapest£190	Average£392	FlexibilityNo cancel fee	On-time61%	Search Hainan Airlines flights
Etihad Airways	Cheapest£342	Average£700	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Shenzhen Airlines	Cheapest£368	Average£508	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Air China	Cheapest£379	Average£482	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Eastern	Cheapest£380	Average£487	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£397	Average£560	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Malaysia Airlines	Cheapest£526	Average£733	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Qatar Airways	Cheapest£554	Average£731	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Cathay Pacific	Cheapest£572	Average£832	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.

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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 £237

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 21 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 21 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 21 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 21 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 21 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 21 September 2026.

Last-minute flights from Heathrow to VietnamDiscover last-minute flight deals from Heathrow to Vietnam. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Vietnam. Data last updated 21 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 21 September 2026.

Search for one-way flight options from Heathrow to Vietnam. Find affordable one-way fares based on user searches. Data last updated 21 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 21 September 2026.

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Heathrow to Vietnam flights

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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 21 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 21 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 21 September 2026.

Last-minute flights from Heathrow to Vietnam
Discover last-minute flight deals from Heathrow to Vietnam. Data last updated 21 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 21 September 2026.