How long is the flight from Vietnam to London?

There are many flights that can get you from Vietnam to London in 19h 40m. Fly via Air China, Shenzhen Airlines, or China Eastern to get the fastest option. Vietnam and London are separated by a distance of 5735 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

For one-way options, check prices for Etihad Airways. According to our data, you can fly for as low as £136. Users have also found prices from £141 and £172 on China Eastern and Shenzhen Airlines, respectively.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What are the most popular routes from Vietnam to London?

While some choose either Ho Chi Minh City - London Gatwick or Ho Chi Minh City - London City, Ho Chi Minh City - London Heathrow is the most popular route from Vietnam to London.

What are the cheapest flights from Vietnam to London?

On average you can expect to pay £955 for a flight from Vietnam to London. The cheapest flight overall is £363 while the most popular route, (Ho Chi Minh City - London Heathrow) is currently priced at £438.

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

When booking a flight from Vietnam to London, you may want to consider flying on Vietnam Airlines, Qatar Airways or Emirates as they are the most popular for this route.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Vietnam to London as you normally would.

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

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

How can I find direct flights from Vietnam to London?

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

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

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

£164+ Cheap Flights from Vietnam to London

Cheap flight deals from Vietnam to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Vietnam to London
Explore the most affordable flight options available from Vietnam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Fri 6/1118:30 -

1 stop19h 40m

Sun 22/1110:40 -

1 stop23h 15m

Deal found 13/10£387

Fri 6/1118:30 -

1 stop19h 40m

Fri 13/1110:40 -

1 stop23h 15m

Deal found 15/10£396

Mon 9/1104:30 -

1 stop32h 50m

Tue 24/1110:40 -

1 stop23h 15m

Deal found 16/10£399

Fri 27/1112:25 -

1 stop25h 45m

Fri 4/1210:40 -

1 stop17h 35m

Deal found 13/10£401

Thu 12/1112:25 -

2 stops35h 30m

Thu 19/1106:25 -

2 stops22h 30m

Deal found 15/10£401

Fri 6/1118:30 -

1 stop19h 40m

Fri 20/1110:40 -

1 stop23h 15m

Deal found 15/10£402

Thu 26/1102:10 -

3 stops25h 10m

Fri 4/1208:35 -

2 stops35h 40m

Deal found 13/10£410

Tue 24/1104:30 -

1 stop20h 00m

Tue 1/1220:50 -

2 stops33h 00m

Deal found 13/10£413

Thu 5/1104:30 -

1 stop18h 25m

Sun 22/1117:45 -

1 stop26h 30m

Deal found 13/10£414

Tue 24/1102:10 -

1 stop18h 50m

Tue 1/1219:35 -

2 stops34h 15m

Deal found 13/10£414

Fri 6/1116:00 -

3 stops26h 25m

Fri 20/1107:10 -

2 stops28h 30m

Deal found 15/10£417

Tue 17/1102:10 -

1 stop18h 50m

Thu 26/1121:00 -

2 stops32h 50m

Deal found 15/10£420

Best flights from Vietnam to London
Discover carefully curated flight deals from Vietnam to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2026.

Wed 11/1118:30 -

1 stop19h 40m

Thu 19/1110:40 -

1 stop17h 35m

Deal found 14/10£397

Thu 5/1102:10 -

3 stops28h 30m

Sun 22/1106:25 -

2 stops21h 50m

Deal found 16/10£435

Thu 26/1113:50 -

1 stop36h 20m

Thu 3/1222:30 -

1 stop20h 00m

Deal found 12/10£483

Mon 9/1102:10 -

1 stop35h 20m

Sat 14/1110:30 -

1 stop34h 00m

Deal found 15/10£578

Thu 14/105:55 -

1 stop20h 15m

Sat 23/109:10 -

1 stop22h 55m

Deal found 16/10£603

Wed 11/1118:00 -

1 stop25h 05m

Wed 18/1114:05 -

1 stop22h 30m

Deal found 12/10£674

Fri 18/1209:25 -

2 stops33h 40m

Sat 2/120:55 -

2 stops34h 05m

Deal found 16/10£686

Wed 11/1111:05 -

2 stops32h 00m

Wed 18/1114:05 -

2 stops37h 10m

Deal found 12/10£724

Fri 27/1122:55 -

1 stop24h 25m

Fri 4/1210:55 -

1 stop21h 30m

Deal found 13/10£764

Fri 20/1108:55 -

1 stop28h 00m

Sun 22/1108:40 -

1 stop20h 40m

Deal found 13/10£779

Thu 17/1210:15 -

2 stops26h 40m

Wed 13/120:05 -

2 stops31h 10m

Deal found 17/10£783

Fri 6/1118:30 -

1 stop19h 40m

Fri 13/1110:40 -

1 stop23h 15m

Deal found 14/10£397

Mon 30/1117:35 -

1 stop30h 20m

Mon 7/1221:15 -

1 stop29h 00m

Deal found 15/10£864

Tue 10/1104:30 -

1 stop20h 20m

Thu 19/1122:30 -

1 stop28h 10m

Deal found 14/10£441

Mon 1/218:20 -

3 stops26h 20m

Sun 7/218:40 -

2 stops33h 50m

Deal found 13/10£909

Wed 13/100:20 -

Nonstop13h 55m

Sat 23/111:00 -

Nonstop12h 10m

Deal found 16/10£949

Tue 15/1202:10 -

1 stop24h 00m

Wed 30/1221:10 -

1 stop37h 20m

Deal found 17/10£528

Mon 30/1115:10 -

2 stops26h 05m

Mon 7/1206:10 -

2 stops25h 00m

Deal found 15/10£531

Sat 19/1218:30 -

1 stop19h 40m

Sat 2/110:40 -

1 stop17h 35m

Deal found 16/10£567

Mon 9/1108:40 -

2 stops29h 30m

Sun 15/1110:40 -

2 stops26h 05m

Deal found 14/10£537

Tue 24/1118:00 -

1 stop31h 15m

Fri 27/1120:15 -

1 stop16h 20m

Deal found 15/10£677

Thu 29/1004:30 -

1 stop32h 50m

Wed 11/1111:35 -

1 stop32h 40m

Deal found 16/10£579

Wed 28/1009:25 -

2 stops33h 40m

Sun 1/1119:20 -

2 stops37h 30m

Deal found 15/10£712

Thu 19/1120:20 -

2 stops24h 40m

Thu 26/1110:40 -

2 stops24h 25m

Deal found 12/10£550

Thu 12/1123:55 -

1 stop25h 20m

Thu 19/1120:15 -

1 stop34h 40m

Deal found 14/10£682

Sat 19/1222:55 -

1 stop18h 00m

Sat 2/117:20 -

1 stop30h 45m

Deal found 13/10£764

Mon 1/213:00 -

2 stops36h 25m

Sun 7/208:25 -

2 stops42h 10m

Deal found 13/10£796

Mon 16/1115:10 -

2 stops27h 55m

Fri 20/1120:55 -

2 stops34h 05m

Deal found 14/10£732

Thu 19/1112:15 -

1 stop27h 50m

Thu 26/1113:05 -

1 stop22h 40m

Deal found 12/10£822

Fri 20/1118:00 -

1 stop24h 40m

Tue 24/1113:40 -

1 stop22h 55m

Deal found 16/10£683

Find flight deals from Vietnam to London

Round-trip from	£387
One-way from	£164
Popular in	September
Cheapest in	November
Average price	£533
Good round-trip deal	£799 or less
Good one-way deal	£408 or less

Air China
6/11-22/11
2 total stops
42h 55m total
Vietnam to London

Search Deals

China Eastern
21/10-31/12
1 total stop
18h 25m total
Vietnam to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£10 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Vietnam to London (LON).

Search Deals

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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Ho Chi Minh CityLondon

SGN Ho Chi Minh City - LGW London Gatwick

SGNLGW

Ho Chi Minh City

Wed 18/11

04:30-14:00

1 stop40h 30m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

£166

HanoiLondon

HAN Hanoi Noibai - LGW London Gatwick

HANLGW

Hanoi Noibai

Sun 22/11

18:30-07:10

1 stop19h 40m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

£168

HanoiLondon

HAN Hanoi Noibai - LGW London Gatwick

HANLGW

Hanoi Noibai

Thu 26/11

18:30-07:10

1 stop19h 40m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

£170

HanoiLondon

HAN Hanoi Noibai - LHR London Heathrow

HANLHR

Hanoi Noibai

Fri 19/3

04:30-17:50

1 stop20h 20m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

£173

Ho Chi Minh CityLondon

SGN Ho Chi Minh City - LHR London Heathrow

SGNLHR

Ho Chi Minh City

Tue 15/12

13:50-19:10

1 stop36h 20m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

£176

HanoiLondon

HAN Hanoi Noibai - LGW London Gatwick

HANLGW

Hanoi Noibai

Sun 22/11

09:00-06:30

3 stops28h 30m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

£180

HanoiLondon

HAN Hanoi Noibai - LHR London Heathrow

HANLHR

Hanoi Noibai

Thu 18/2

22:20-17:45

1 stop26h 25m

London Heathrow

Wed 31/12

00:00-07:00

Nonstop0h 00m

£188

Da NangLondon

DAD Da Nang - LGW London Gatwick

DADLGW

Da Nang

Fri 13/11

07:20-14:00

2 stops37h 40m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

£198

Da NangLondon

DAD Da Nang - LGW London Gatwick

DADLGW

Da Nang

Sat 14/11

23:20-06:30

2 stops38h 10m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

£200

Da NangLondon

DAD Da Nang - LGW London Gatwick

DADLGW

Da Nang

Thu 12/11

23:20-06:30

2 stops38h 10m

London Gatwick

Wed 31/12

00:00-07:00

Nonstop0h 00m

£200

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Vietnam to London

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

SGN-LHR

HAN-LHR

SGN-LGW

HAN-LGW

DAD-LGW

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 Vietnam to London

VN0-LON

SGN-LHR

HAN-LHR

SGN-LGW

HAN-LGW

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

Currently, November is the cheapest month in which you can book a flight from Vietnam to London (average of £664). Flying from Vietnam to London in September is currently the most expensive (average of £836). 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 Vietnam to London delayed?

About 21% of weekly flights between Vietnam and London have experienced delays in the past year, with the average delay time being 105 minutes.

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

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

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

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

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

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

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

The best time to book flights from Vietnam to London is 3 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 London

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

Emirates

8.1

Very Good

3,683 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Emirates

8.1

Very Good

3,683 reviews

Emirates

8.1

Very Good

3,683 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Vietnam Airlines

7.7

Good

293 reviews

Emirates

8.1

Very Good

3,683 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Air China

7.5

Good

166 reviews

Emirates

8.1

Very Good

3,683 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

China Southern

7.4

Good

179 reviews

Emirates

8.1

Very Good

3,683 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Qatar Airways

7.3

Good

3,721 reviews

Emirates

8.1

Very Good

3,683 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Steven,May 2026

DXB - GLA

Anyone that i had the pleasure of dealing with i found to be courteous well mannered and informative

Related info for your journey

How long is the flight from Vietnam to London?
There are many flights that can get you from Vietnam to London in 19h 40m. Fly via Air China, Shenzhen Airlines, or China Eastern to get the fastest option. Vietnam and London are separated by a distance of 5735 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Vietnam to London one-way?
For one-way options, check prices for Etihad Airways. According to our data, you can fly for as low as £136. Users have also found prices from £141 and £172 on China Eastern and Shenzhen Airlines, respectively.
What are the most popular routes from Vietnam to London?
While some choose either Ho Chi Minh City - London Gatwick or Ho Chi Minh City - London City, Ho Chi Minh City - London Heathrow is the most popular route from Vietnam to London.
What are the cheapest flights from Vietnam to London?
On average you can expect to pay £955 for a flight from Vietnam to London. The cheapest flight overall is £363 while the most popular route, (Ho Chi Minh City - London Heathrow) is currently priced at £438.
Can I find deals for flights from Vietnam to London that include hotel bookings?
Yes. In addition to deals on Vietnam to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Vietnam to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Vietnam to London.
Can I find deals for business class flights from Vietnam to London?
Yes. Cheapflights offers flight deals from Vietnam to London 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 Vietnam to London?
Currently, November is the cheapest month in which you can book a flight from Vietnam to London (average of £664). Flying from Vietnam to London in September is currently the most expensive (average of £836). 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 4 airlines flying from Vietnam to London

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest£413	Average£651	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Qatar Airways	Cheapest£627	Average£713	FlexibilityNo cancel fee	On-time68%	Search Qatar Airways flights
Emirates	Cheapest£665	Average£715	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
Vietnam Airlines	Cheapest£763	Average£967	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights

Fly with Cheapflights

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

Deals for Vietnam to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to London from Vietnam by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Vietnam to London, users can toggle the no change fees filter when performing a flight search.

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

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

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Cheap flights from Vietnam to London from £164

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Vietnam to London

Cheapest flights from Vietnam to LondonExplore the most affordable flight options available from Vietnam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Explore the most affordable flight options available from Vietnam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Best flights from Vietnam to LondonDiscover carefully curated flight deals from Vietnam to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2026.

Discover carefully curated flight deals from Vietnam to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2026.

Direct flights from Vietnam to LondonExplore direct flight options from Vietnam to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 October 2026.

Explore direct flight options from Vietnam to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 October 2026.

Last-minute flights from Vietnam to LondonDiscover last-minute flight deals from Vietnam to London. Data last updated 17 October 2026 and is based on user searches.

Discover last-minute flight deals from Vietnam to London. Data last updated 17 October 2026 and is based on user searches.

One-way flights from Vietnam to LondonSearch for one-way flight options from Vietnam to London. Find affordable one-way fares based on user searches. Data last updated 17 October 2026.

Search for one-way flight options from Vietnam to London. Find affordable one-way fares based on user searches. Data last updated 17 October 2026.

Find flight deals from Vietnam to London

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 Vietnam to London that are best for you.

Best time to book a flight from Vietnam to London

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

Cheapflights Insights

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

How often are flights from Vietnam to London delayed?

About 21% of weekly flights between Vietnam and London have experienced delays in the past year, with the average delay time being 105 minutes.

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

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

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

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

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

Over the past year, Vietnam Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.

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

The best time to book flights from Vietnam to London is 3 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 London

See what other customers who have flown with Emirates,Vietnam Airlines, andAir China from Vietnam to London 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 Vietnam to London?

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

What are the most popular routes from Vietnam to London?

What are the cheapest flights from Vietnam to London?

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

How can I find direct flights from Vietnam to London?

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

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

Travelling to a place near London?

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 Vietnam to London

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

Complete your trip

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

Direct flights to England

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

Search flights from Vietnam to London by cabin class

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

Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 17 October 2026.

Vietnam and London flights

Browse other Vietnam and London flight options. Last updated on 17 October 2026.

Popular flight searches

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Vietnam to London flights

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Top 4 airlines flying from Vietnam to London

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

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

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

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

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Cheapest flights from Vietnam to London
Explore the most affordable flight options available from Vietnam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2026.

Best flights from Vietnam to London
Discover carefully curated flight deals from Vietnam to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2026.

Direct flights from Vietnam to London
Explore direct flight options from Vietnam to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 October 2026.

Last-minute flights from Vietnam to London
Discover last-minute flight deals from Vietnam to London. Data last updated 17 October 2026 and is based on user searches.

One-way flights from Vietnam to London
Search for one-way flight options from Vietnam to London. Find affordable one-way fares based on user searches. Data last updated 17 October 2026.