How long is the flight from London to Vientiane?

Airlines like China Southern and Singapore Airlines fly from London to Vientiane in about 19h 40m. The time it takes to get you to your destination can typically vary by up to 19h 05m. The distance between London and Vientiane is about 5782 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 flying from London to Vientiane round-trip?

According to our current data, China Eastern (£235), China Southern (£431), and Thai Airways (£773) offers the cheapest pricing from London to Vientiane. China Eastern is priced at 69% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Vientiane ranges from 10.0 - 120.0 inches per month. July is typically the wettest month, when rainfall can reach 120.0 mm. January is typically the driest time to visit Vientiane when rainfall is around 10.0 mm.

If weather is an important factor for your trip to Vientiane, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 22.0 C).

What are the most popular routes from London to Vientiane?

When deciding which route to take from London to Vientiane consider London Heathrow - Vientiane Wattay, London Gatwick - Vientiane Wattay or London Stansted - Vientiane Wattay as they are the most popular.

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

Before booking your flight from London to Vientiane check out the most popular airlines for this route: Thai Airways, China Eastern or China Southern.

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

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

What airport do you fly into for flights to Vientiane from London?

Located just 2.8 mi from the city center, Vientiane Wattay is the airport most travelers will use when flying to Vientiane from London. Booking flights from London to Wattay (VTE) should be relatively easy as there are 0 daily inbound flights from London from 3 different airlines.

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

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

How can I find direct flights from London to Vientiane?

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

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

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

£249+ Flights from London to Vientiane

Q: How much does it cost for a return flight from London to Vientiane?

Airfare is below average for this route at the moment. London to Vientiane flights typically cost between £638 and £896 in January. The cheapest return flight price found within the last 3 days was £554 on China Southern (20 Jan-5 Feb).

Cheap flight deals from London to Vientiane

Enter your travel dates to find the best prices.

Best flights from London to Vientiane
Discover carefully curated flight deals from London to Vientiane that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 décembre 2025.

mer. 13/521:00LHR - VTE

2 stops38h 45mChina Southern

dim. 17/518:45VTE - LHR

1 stop30h 15mChina Southern

Deal found 26/12£583

mar. 20/109:20LGW - VTE

1 stop19h 40mSingapore Airlines

jeu. 5/212:35VTE - LGW

1 stop24h 50mSingapore Airlines

Deal found 27/12£703

mar. 10/216:00LGW - VTE

1 stop22h 50mMultiple Airlines

mar. 17/218:30VTE - LGW

1 stop31h 00mMultiple Airlines

Deal found 27/12£720

mar. 20/110:30LGW - VTE

2 stops21h 20mChina Eastern

jeu. 5/215:50VTE - LGW

2 stops21h 40mChina Eastern

Deal found 26/12£746

mer. 13/518:55LHR - VTE

3 stops42h 20mVietnam Airlines

dim. 17/520:00VTE - LHR

1 stop27h 05mVietnam Airlines

Deal found 26/12£780

jeu. 14/512:00LGW - VTE

1 stop23h 45mChina Southern

lun. 18/518:45VTE - LGW

2 stops29h 45mChina Southern

Deal found 26/12£602

mer. 18/322:00LHR - VTE

1 stop34h 05mChina Southern

mar. 7/415:50VTE - LHR

2 stops30h 25mChina Southern

Deal found 27/12£626

mar. 20/110:40LHR - VTE

1 stop18h 20mSingapore Airlines

jeu. 5/212:35VTE - LHR

1 stop24h 20mSingapore Airlines

Deal found 27/12£733

mar. 20/120:55LHR - VTE

2 stops33h 10mMultiple Airlines

jeu. 5/220:30VTE - LHR

2 stops28h 40mMultiple Airlines

Deal found 27/12£769

sam. 21/222:00LHR - VTE

1 stop34h 05mChina Southern

mar. 17/311:30VTE - LHR

2 stops33h 30mChina Southern

Deal found 25/12£639

mar. 24/221:00LHR - VTE

1 stop20h 05mMultiple Airlines

mar. 17/318:30VTE - LHR

2 stops30h 40mMultiple Airlines

Deal found 25/12£800

mar. 20/108:40LGW - VTE

2 stops19h 30mMultiple Airlines

jeu. 5/213:55VTE - LGW

2 stops23h 00mMultiple Airlines

Deal found 27/12£854

mar. 27/114:05STN - VTE

2 stops38h 05mMultiple Airlines

jeu. 19/214:50VTE - STN

2 stops28h 15mMultiple Airlines

Deal found 26/12£896

mer. 18/308:40LGW - VTE

2 stops19h 30mMultiple Airlines

mar. 7/414:30VTE - LGW

2 stops22h 10mMultiple Airlines

Deal found 27/12£985

mar. 10/220:15STN - VTE

2 stops18h 35mMultiple Airlines

mar. 17/218:30VTE - STN

2 stops24h 35mMultiple Airlines

Deal found 27/12£1,041

mer. 18/310:50STN - VTE

2 stops19h 15mMultiple Airlines

mar. 7/420:30VTE - STN

2 stops19h 25mMultiple Airlines

Deal found 27/12£1,377

Last-minute flights from London to Vientiane
Discover last-minute flight deals from London to Vientiane. Data last updated 28 décembre 2025 and is based on user searches.

mar. 20/122:00LHR - VTE

1 stop34h 05mChina Southern

jeu. 5/216:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 26/12£554

mar. 20/109:20LGW - VTE

1 stop19h 40mSingapore Airlines

jeu. 5/212:35VTE - LGW

1 stop24h 50mSingapore Airlines

Deal found 27/12£703

mar. 20/110:40LHR - VTE

1 stop18h 20mSingapore Airlines

jeu. 5/212:35VTE - LHR

1 stop24h 20mSingapore Airlines

Deal found 27/12£733

mar. 20/110:30LGW - VTE

2 stops21h 20mChina Eastern

jeu. 5/215:50VTE - LGW

2 stops21h 40mChina Eastern

Deal found 26/12£746

mar. 20/120:55LHR - VTE

2 stops33h 10mMultiple Airlines

jeu. 5/220:30VTE - LHR

2 stops28h 40mMultiple Airlines

Deal found 26/12£769

mar. 20/121:00LHR - VTE

2 stops29h 05mChina Eastern

jeu. 5/212:20VTE - LHR

3 stops36h 10mChina Eastern

Deal found 26/12£774

mar. 20/106:20LHR - VTE

2 stops21h 25mVietnam Airlines

jeu. 5/219:45VTE - LHR

1 stop18h 30mVietnam Airlines

Deal found 27/12£843

mar. 20/108:40LGW - VTE

2 stops19h 30mMultiple Airlines

jeu. 5/213:55VTE - LGW

2 stops23h 00mMultiple Airlines

Deal found 27/12£854

lun. 26/122:00LHR - VTE

1 stop28h 05mChina Southern

lun. 2/216:25VTE - LHR

1 stop33h 10mChina Southern

Deal found 27/12£1,941

lun. 26/121:00LHR - VTE

2 stops29h 05mChina Eastern

lun. 2/212:20VTE - LHR

2 stops36h 10mChina Eastern

Deal found 27/12£2,138

lun. 26/117:10LHR - VTE

2 stops35h 50mMultiple Airlines

lun. 2/211:35VTE - LHR

3 stops34h 50mMultiple Airlines

Deal found 27/12£3,355

mar. 27/114:05STN - VTE

2 stops38h 05mMultiple Airlines

jeu. 19/214:50VTE - STN

2 stops28h 15mMultiple Airlines

Deal found 26/12£896

One-way flights from London to Vientiane
Search for one-way flight options from London to Vientiane. Find affordable one-way fares based on user searches. Data last updated 28 décembre 2025.

jeu. 5/206:10STN - VTE

2 stops46h 50mMultiple Airlines

Deal found 26/12£249

dim. 1/213:55LGW - VTE

3 stops48h 50mMultiple Airlines

Deal found 26/12£271

mar. 3/213:05LGW - VTE

3 stops49h 40mMultiple Airlines

Deal found 26/12£275

sam. 31/113:55LGW - VTE

3 stops48h 55mMultiple Airlines

Deal found 26/12£282

jeu. 29/112:15LGW - VTE

2 stops40h 45mMultiple Airlines

Deal found 26/12£297

sam. 31/108:05STN - VTE

3 stops33h 00mMultiple Airlines

Deal found 26/12£301

mar. 3/218:50STN - VTE

2 stops33h 20mMultiple Airlines

Deal found 26/12£317

mer. 6/508:10STN - VTE

3 stops51h 35mMultiple Airlines

Deal found 27/12£331

ven. 30/117:00LGW - VTE

2 stops35h 30mMultiple Airlines

Deal found 26/12£331

jeu. 5/222:15LHR - VTE

2 stops30h 45mMultiple Airlines

Deal found 26/12£334

lun. 2/217:00LGW - VTE

2 stops24h 25mMultiple Airlines

Deal found 26/12£335

mer. 6/518:25LGW - VTE

2 stops21h 25mMultiple Airlines

Deal found 27/12£335

Find flight deals from London to Vientiane

Round-trip from	£554
One-way from	£249
Popular in	December
Cheapest in	June
Average price	£1,151

China Southern
20/1-5/2
2 total stops
67h 15m total
London to Vientiane

Search Deals

5/2
2 total stops
46h 50m total
London to Vientiane

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£138 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

mer. 13/5

21:00-17:45

2 stops38h 45m

Vientiane Wattay

dim. 17/5

18:45-19:00

1 stop30h 15m

£583

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

jeu. 14/5

12:00-17:45

1 stop23h 45m

Vientiane Wattay

lun. 18/5

18:45-18:30

2 stops29h 45m

£602

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

mer. 18/3

22:00-15:05

1 stop34h 05m

Vientiane Wattay

mar. 7/4

15:50-16:15

2 stops30h 25m

£626

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

sam. 21/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

mar. 17/3

11:30-14:00

2 stops33h 30m

£639

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

mar. 20/1

09:20-12:00

1 stop19h 40m

Vientiane Wattay

jeu. 5/2

12:35-06:25

1 stop24h 50m

£703

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

mar. 10/2

16:00-21:50

1 stop22h 50m

Vientiane Wattay

mar. 17/2

18:30-18:30

1 stop31h 00m

£720

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

mar. 20/1

10:40-12:00

1 stop18h 20m

Vientiane Wattay

jeu. 5/2

12:35-05:55

1 stop24h 20m

£733

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

mar. 20/1

10:30-14:50

2 stops21h 20m

Vientiane Wattay

jeu. 5/2

15:50-06:30

2 stops21h 40m

£746

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

mar. 20/1

20:55-13:05

2 stops33h 10m

Vientiane Wattay

jeu. 5/2

20:30-18:10

2 stops28h 40m

£769

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

mer. 13/5

18:55-19:15

3 stops42h 20m

Vientiane Wattay

dim. 17/5

20:00-17:05

1 stop27h 05m

£780

Flights are sorted by cheapest return flights first.

Deals found on 26/12

Showing 1-10 of 46 results

...

Best time to book a flight from London to Vientiane

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

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Vientiane

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

Currently, January is the cheapest month in which you can book a flight from London to Vientiane (average of £235). Flying from London to Vientiane in December is currently the most expensive (average of £903). 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 much does it cost for a return flight from London to Vientiane?

What’s the top stopover airport for flights from London to Vientiane?

Bangkok (BKK) – chosen by Cheapflights users on 71% of one-stop itineraries from London to Vientiane on Cheapflights.

What’s the cheapest stopover airport for flights from London to Vientiane?

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £509.

What’s the fastest stopover option from London to Vientiane?

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 53m.

Which airport typically offers the quickest stopover for flights from London to Vientiane?

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 3h 04m.

Reviews of airlines servicing Vientiane

Get a feel of what it's like to fly with Thai Airways, China Southern, andChina Eastern from London to Vientiane by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Thai Airways

7.8

Good

371 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Thai Airways

7.8

Good

371 reviews

Thai Airways

7.8

Good

371 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

China Southern

7.5

Good

123 reviews

Thai Airways

7.8

Good

371 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

China Eastern

7.2

Good

183 reviews

Thai Airways

7.8

Good

371 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Related info for your journey

What airport do you fly into for flights to Vientiane from London?
Located just 2.8 mi from the city center, Vientiane Wattay is the airport most travelers will use when flying to Vientiane from London. Booking flights from London to Wattay (VTE) should be relatively easy as there are 0 daily inbound flights from London from 3 different airlines.
How long is the flight from London to Vientiane?
Airlines like China Southern and Singapore Airlines fly from London to Vientiane in about 19h 40m. The time it takes to get you to your destination can typically vary by up to 19h 05m. The distance between London and Vientiane is about 5782 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 flying from London to Vientiane round-trip?
According to our current data, China Eastern (£235), China Southern (£431), and Thai Airways (£773) offers the cheapest pricing from London to Vientiane. China Eastern is priced at 69% lower than the current average price of a flight leaving 3 months from now.
What are the most popular routes from London to Vientiane?
When deciding which route to take from London to Vientiane consider London Heathrow - Vientiane Wattay, London Gatwick - Vientiane Wattay or London Stansted - Vientiane Wattay as they are the most popular.
Can I find deals for flights from London to Vientiane that include hotel bookings?
Yes. In addition to deals on London to Vientiane flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Vientiane?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Vientiane.
Can I find deals for business class flights from London to Vientiane?
Yes. Cheapflights offers flight deals from London to Vientiane 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 Vientiane?
Currently, January is the cheapest month in which you can book a flight from London to Vientiane (average of £235). Flying from London to Vientiane in December is currently the most expensive (average of £903). 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 for London to Vientiane

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Edinburgh to Vientiane flights

Other flights to Vientiane

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Vientiane to Bangkok Don Mueang Intl Airport flights

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Vientiane to Singapore flights

Top 3 airlines flying from London to Vientiane

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£235	Average£650	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
China Southern	Cheapest£431	Average£523	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Thai Airways	Cheapest£773	Average£811	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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

Cheapflights helps you search for flights from London to Vientiane 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 London to Vientiane?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Vientiane for you. Better yet — we are completely free to use.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Vientiane flexibly with Cheapflights today.

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

Yes! Start tracking prices for London to Vientiane flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London to Vientiane from £249

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Vientiane

Best flights from London to VientianeDiscover carefully curated flight deals from London to Vientiane that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 décembre 2025.

Discover carefully curated flight deals from London to Vientiane that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 décembre 2025.

Find flight deals from London to Vientiane

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Vientiane that are best for you.

Best time to book a flight from London to Vientiane

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

Cheapflights Insights

Everything you need to know about your flight from London to Vientiane

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

How much does it cost for a return flight from London to Vientiane?

What’s the top stopover airport for flights from London to Vientiane?

Share of one-stop return flights from London to Vientiane chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from London to Vientiane?

Average return fare for one-stop flights from London to Vientiane, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from London to Vientiane?

Shortest average travel time for one-stop one-way flights from London to Vientiane, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from London to Vientiane?

Average stopover duration for one-stop one-way flights from London to Vientiane, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Vientiane

Get a feel of what it's like to fly with Thai Airways, China Southern, andChina Eastern from London to Vientiane by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Vientiane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Vientiane from London?

How long is the flight from London to Vientiane?

What are the cheapest airlines flying from London to Vientiane round-trip?

What are the most popular routes from London to Vientiane?

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

How can I find direct flights from London to Vientiane?

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

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

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 Vientiane

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

Top 3 airlines flying from London to Vientiane

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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

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

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

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Best flights from London to Vientiane
Discover carefully curated flight deals from London to Vientiane that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 décembre 2025.