How long is the flight from London to Vietnam?

For as low as £422, Shenzhen Airlines can have you in Vietnam from London in 20h 20m. Airlines will cover a distance of 6345 mi. This flight may include one or multiple stops.

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

The cheapet airlines for a one-way flight from London to Vietnam are Air China (£233), Shenzhen Airlines (£243), and Etihad Airways (£254).

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 to Vietnam?

While some choose either London Gatwick - Hanoi Noibai or London Stansted - Hanoi Noibai, London Heathrow - Hanoi Noibai is the most popular route from London to Vietnam.

What are the cheapest flights from London to Vietnam?

Looking at all options, your cheapest flight can be booked for £410. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £398 on average, our data indicates £1,665 when flying from London to Vietnam.

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

Before booking your flight from London 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 LON to VN?

When flying from London 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 London to Vietnam that include hotel bookings?

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

How can I find direct flights from London to Vietnam?

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

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

Yes. Cheapflights offers flight deals from London 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.

£238+ Cheap Flights from London to Vietnam

Cheap flight deals from London to Vietnam

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Vietnam
Explore the most affordable flight options available from London to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Thu 5/1110:30 -

1 stop31h 40m

Wed 11/1104:30 -

1 stop33h 00m

Deal found 21/9£399

Sun 1/1121:10 -

1 stop21h 40m

Wed 2/1202:50 -

1 stop24h 40m

Deal found 21/9£401

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£403

Thu 24/911:35 -

2 stops35h 05m

Fri 2/1002:35 -

1 stop22h 35m

Deal found 18/9£403

Thu 24/922:10 -

1 stop21h 25m

Wed 30/902:35 -

1 stop22h 45m

Deal found 17/9£404

Tue 17/1110:30 -

3 stops32h 15m

Mon 23/1102:10 -

1 stop35h 20m

Deal found 19/9£404

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

Wed 25/1122:00 -

1 stop18h 15m

Sat 12/1208:15 -

1 stop17h 20m

Deal found 22/9£405

Fri 25/911:15 -

1 stop23h 35m

Mon 5/1012:20 -

1 stop24h 35m

Deal found 21/9£405

Tue 20/1022:00 -

1 stop21h 50m

Mon 26/1002:50 -

1 stop24h 40m

Deal found 19/9£406

Best flights from London to Vietnam
Discover carefully curated flight deals from London to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Thu 29/1022:30 -

1 stop20h 20m

Sat 14/1102:50 -

1 stop23h 20m

Deal found 19/9£422

Thu 18/210:30 -

1 stop31h 40m

Fri 12/302:10 -

1 stop18h 50m

Deal found 22/9£448

Thu 18/210:40 -

2 stops28h 15m

Fri 12/302:30 -

2 stops35h 40m

Deal found 22/9£529

Wed 28/1006:00 -

3 stops25h 45m

Mon 16/1104:30 -

2 stops23h 30m

Deal found 19/9£539

Mon 5/1016:35 -

1 stop23h 25m

Mon 19/1013:25 -

1 stop30h 55m

Deal found 19/9£670

Mon 9/1110:55 -

1 stop22h 35m

Wed 18/1122:15 -

1 stop25h 05m

Deal found 21/9£685

Wed 28/1011:00 -

Nonstop11h 20m

Tue 24/1100:45 -

Nonstop13h 30m

Deal found 22/9£691

Wed 28/1014:05 -

1 stop15h 35m

Tue 10/1100:25 -

1 stop18h 40m

Deal found 20/9£714

Sun 7/308:40 -

1 stop15h 35m

Mon 22/308:55 -

1 stop28h 00m

Deal found 17/9£783

Sun 27/1206:00 -

2 stops27h 55m

Wed 27/118:20 -

2 stops20h 45m

Deal found 20/9£815

Mon 16/1108:35 -

1 stop21h 30m

Fri 18/1208:55 -

1 stop28h 00m

Deal found 21/9£853

Tue 16/308:50 -

1 stop26h 20m

Wed 7/408:25 -

1 stop16h 20m

Deal found 19/9£868

Thu 15/1010:10 -

2 stops22h 50m

Fri 6/1122:40 -

2 stops38h 00m

Deal found 20/9£899

Mon 23/1108:40 -

2 stops18h 55m

Wed 25/1111:45 -

1 stop24h 40m

Deal found 21/9£1,013

Wed 24/217:05 -

2 stops18h 05m

Tue 9/308:35 -

2 stops18h 00m

Deal found 21/9£1,067

Thu 21/122:30 -

1 stop19h 40m

Wed 3/202:10 -

1 stop25h 20m

Deal found 18/9£557

Thu 15/1007:00 -

2 stops22h 00m

Thu 22/1012:20 -

2 stops32h 15m

Deal found 17/9£561

Fri 23/1011:00 -

1 stop17h 00m

Sat 24/1016:40 -

1 stop19h 55m

Deal found 17/9£1,142

Wed 9/1206:50 -

2 stops27h 55m

Tue 22/1207:40 -

2 stops34h 25m

Deal found 17/9£565

Sat 6/221:10 -

1 stop29h 30m

Tue 13/402:10 -

1 stop23h 50m

Deal found 17/9£606

Sat 31/1020:00 -

2 stops35h 10m

Sun 15/1118:45 -

2 stops31h 30m

Deal found 18/9£571

Sat 5/1205:55 -

1 stop27h 35m

Mon 15/206:30 -

1 stop17h 00m

Deal found 18/9£723

Sun 1/1114:05 -

1 stop16h 50m

Tue 10/1123:55 -

1 stop19h 10m

Deal found 19/9£730

Tue 8/1211:20 -

2 stops24h 20m

Tue 22/1208:15 -

2 stops19h 55m

Deal found 17/9£596

Sun 1/1120:15 -

1 stop16h 20m

Thu 12/1123:55 -

1 stop19h 10m

Deal found 19/9£730

Fri 4/1217:20 -

1 stop28h 40m

Mon 15/222:15 -

1 stop25h 05m

Deal found 18/9£733

Mon 23/1106:20 -

1 stop16h 55m

Wed 25/1117:05 -

2 stops21h 10m

Deal found 21/9£829

Fri 30/1008:40 -

1 stop21h 25m

Mon 16/1108:55 -

1 stop28h 00m

Deal found 19/9£836

Tue 2/218:40 -

2 stops39h 15m

Mon 15/218:20 -

3 stops26h 20m

Deal found 21/9£842

Wed 2/1212:50 -

2 stops26h 20m

Thu 10/1204:30 -

2 stops24h 20m

Deal found 21/9£600

Find flight deals from London to Vietnam

Round-trip from	£399
One-way from	£238
Popular in	December
Cheapest in	September
Average price	£515
Good round-trip deal	£649 or less
Good one-way deal	£418 or less

China Eastern
5/11-11/11
2 total stops
64h 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 (£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 (LON) to Vietnam.

Search Deals

Price to beat on a one-way flight from London (LON) to Vietnam.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHanoi

LGW London Gatwick - HAN Hanoi Noibai

LGWHAN

London Gatwick

Thu 29/10

09:50-10:40

1 stop17h 50m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£261

LondonHo Chi Minh City

LGW London Gatwick - SGN Ho Chi Minh City

LGWSGN

London Gatwick

Sun 31/1

10:40-21:55

2 stops28h 15m

Ho Chi Minh City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£281

LondonHanoi

LHR London Heathrow - HAN Hanoi Noibai

LHRHAN

London Heathrow

Mon 25/1

22:00-14:45

1 stop33h 45m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£283

LondonHanoi

LTN London Luton - HAN Hanoi Noibai

LTNHAN

London Luton

Mon 9/11

06:15-17:45

3 stops28h 30m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£284

LondonHanoi

LTN London Luton - HAN Hanoi Noibai

LTNHAN

London Luton

Wed 18/11

15:05-10:00

3 stops59h 55m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£288

LondonHanoi

LTN London Luton - HAN Hanoi Noibai

LTNHAN

London Luton

Fri 30/10

06:15-17:45

3 stops52h 30m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£289

LondonHo Chi Minh City

LTN London Luton - SGN Ho Chi Minh City

LTNSGN

London Luton

Thu 12/11

21:30-23:15

2 stops42h 45m

Ho Chi Minh City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£290

LondonHanoi

LTN London Luton - HAN Hanoi Noibai

LTNHAN

London Luton

Wed 21/10

18:00-10:50

3 stops34h 50m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£303

LondonHo Chi Minh City

LTN London Luton - SGN Ho Chi Minh City

LTNSGN

London Luton

Sun 31/1

16:30-08:05

3 stops56h 35m

Ho Chi Minh City

Wed 31/12

00:00-17:00

Nonstop0h 00m

£306

LondonHanoi

LTN London Luton - HAN Hanoi Noibai

LTNHAN

London Luton

Mon 16/11

20:00-14:45

2 stops35h 45m

Hanoi Noibai

Wed 31/12

00:00-17:00

Nonstop0h 00m

£306

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Vietnam

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

LGW-HAN

LGW-SGN

LTN-HAN

LHR-HAN

LCY-SGN

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 to Vietnam

LON-VN0

LGW-HAN

LGW-SGN

LTN-HAN

LHR-HAN

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

Currently, November is the cheapest month in which you can book a flight from London to Vietnam (average of £553). Flying from London to Vietnam in December is currently the most expensive (average of £845). 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 to Vietnam?

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Vietnam. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Vietnam

Read reviews from past customers who have flown with Vietnam Airlines,Air China, andQatar Airways from London to Vietnam. Users can see the overall rating for each airline as well as how each is rated 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.

Air China

7.5

Good

166 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.

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.

China Eastern

7.3

Good

243 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 to Vietnam?
For as low as £422, Shenzhen Airlines can have you in Vietnam from London in 20h 20m. Airlines will cover a distance of 6345 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from London to Vietnam one-way?
The cheapet airlines for a one-way flight from London to Vietnam are Air China (£233), Shenzhen Airlines (£243), and Etihad Airways (£254).
What are the most popular routes from London to Vietnam?
While some choose either London Gatwick - Hanoi Noibai or London Stansted - Hanoi Noibai, London Heathrow - Hanoi Noibai is the most popular route from London to Vietnam.
What are the cheapest flights from London to Vietnam?
Looking at all options, your cheapest flight can be booked for £410. While the most popular route (London Heathrow - Hanoi Noibai) can be booked for £398 on average, our data indicates £1,665 when flying from London to Vietnam.
Can I find deals for flights from London to Vietnam that include hotel bookings?
Yes. In addition to deals on London to Vietnam flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Vietnam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Vietnam.
Can I find deals for business class flights from London to Vietnam?
Yes. Cheapflights offers flight deals from London 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 to Vietnam?
Currently, November is the cheapest month in which you can book a flight from London to Vietnam (average of £553). Flying from London to Vietnam in December is currently the most expensive (average of £845). 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 London 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 Don Mueang Intl flights

Heathrow to Mumbai flights

Gatwick to Don Mueang Intl flights

Heathrow to Hong Kong flights

Luton to Suvarnabhumi flights

Heathrow to Colombo flights

Heathrow to Narita flights

Manchester to Suvarnabhumi flights

Gatwick to Haneda flights

Gatwick to Narita flights

Stansted to Narita flights

Gatwick to New Delhi flights

Heathrow to Islamabad flights

Heathrow to Manila flights

Stansted to New Delhi flights

Heathrow to Kuala Lumpur Intl flights

Stansted to Haneda flights

Manchester to Islamabad flights

London City to Narita flights

Heathrow to Singapore flights

Gatwick to Mumbai flights

Gatwick to Manila flights

Heathrow to Lahore flights

Stansted to Mumbai flights

Stansted to Manila flights

Gatwick to Colombo flights

Heathrow to Incheon Intl flights

Heathrow to Phuket City flights

Manchester to Don Mueang Intl flights

Gatwick to Singapore flights

Stansted to Islamabad flights

Gatwick to Islamabad flights

Stansted to Colombo flights

Gatwick to Hong Kong flights

Gatwick to Ahmedabad flights

London City to Haneda flights

Heathrow to Dhaka flights

London City to Manila flights

Heathrow to Hyderabad flights

Heathrow to Kathmandu flights

Gatwick to Lahore flights

Stansted to Lahore flights

Gatwick to Phuket City flights

Top 10 airlines flying from London 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£343	Average£701	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Air China	Cheapest£354	Average£468	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Eastern	Cheapest£360	Average£482	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Shenzhen Airlines	Cheapest£368	Average£508	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
China Southern	Cheapest£398	Average£609	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Turkmenistan Airlines	Cheapest£471	Average£539	FlexibilityNo cancel fee	On-time63%	Search Turkmenistan Airlines flights
Malaysia Airlines	Cheapest£526	Average£734	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Qatar Airways	Cheapest£551	Average£698	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights

Fly with Cheapflights

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

When you search for this flight from London to Vietnam, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

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

Certainly. Search results for flights to Vietnam from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Vietnam from London today and book when prices fit your budget.

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 to Vietnam from £238

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 London to Vietnam

Cheapest flights from London to VietnamExplore the most affordable flight options available from London to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Explore the most affordable flight options available from London to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from London to VietnamDiscover carefully curated flight deals from London to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Discover carefully curated flight deals from London to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Direct flights from London to VietnamExplore direct flight options from London to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Explore direct flight options from London to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Last-minute flights from London to VietnamDiscover last-minute flight deals from London to Vietnam. Data last updated 22 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Vietnam. Data last updated 22 September 2026 and is based on user searches.

One-way flights from London to VietnamSearch for one-way flight options from London to Vietnam. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Search for one-way flight options from London to Vietnam. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.

Find flight deals from London 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 to Vietnam that are best for you.

Best time to book a flight from London to Vietnam

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

Cheapflights Insights

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

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Vietnam. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Vietnam

Read reviews from past customers who have flown with Vietnam Airlines,Air China, andQatar Airways from London to Vietnam. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to Vietnam?

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

What are the most popular routes from London to Vietnam?

What are the cheapest flights from London to Vietnam?

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

How can I find direct flights from London to Vietnam?

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

What is the cheapest month to book a flight from London 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 London 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 London to Vietnam by cabin class

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

London and Vietnam flights

Browse other London and Vietnam flight options. Last updated on 22 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Vietnam flights

Consider these flights travelling from London to Vietnam.

Fly to Vietnam regions

Consider these flights travelling to Vietnam regions.

Top 10 airlines flying from London to Vietnam

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Vietnam
Explore the most affordable flight options available from London to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 September 2026.

Best flights from London to Vietnam
Discover carefully curated flight deals from London to Vietnam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 September 2026.

Direct flights from London to Vietnam
Explore direct flight options from London to Vietnam based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 September 2026.

Last-minute flights from London to Vietnam
Discover last-minute flight deals from London to Vietnam. Data last updated 22 September 2026 and is based on user searches.

One-way flights from London to Vietnam
Search for one-way flight options from London to Vietnam. Find affordable one-way fares based on user searches. Data last updated 22 September 2026.