How long is the flight from London to Vientiane?

Airlines like China Southern, China Eastern, and Hainan Airlines fly from London to Vientiane in about 17h 50m. The time it takes to get you to your destination can typically vary by up to 15h 10m. The distance between London and Vientiane is about 5786 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 (£472), and Thai Airways (£863) offers the cheapest pricing from London to Vientiane. China Eastern is priced at 42% 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 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 2 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.

£325+ Cheap Flights from London to Vientiane

Cheap flight deals from London to Vientiane

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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

Fri 18/911:00 -

1 stop17h 30m

Sun 4/1015:50 -

1 stop20h 40m

Deal found 15/9£472

Mon 14/921:50 -

1 stop34h 55m

Mon 28/911:30 -

1 stop33h 00m

Deal found 13/9£476

Mon 14/922:10 -

1 stop30h 20m

Mon 28/915:50 -

1 stop33h 30m

Deal found 13/9£504

Mon 26/1022:00 -

1 stop34h 05m

Mon 9/1116:25 -

1 stop33h 10m

Deal found 13/9£538

Mon 9/1122:00 -

1 stop29h 30m

Mon 30/1116:25 -

1 stop33h 10m

Deal found 14/9£541

Fri 18/922:10 -

1 stop34h 35m

Sun 4/1015:50 -

1 stop33h 30m

Deal found 15/9£556

Thu 24/922:10 -

1 stop34h 35m

Mon 28/911:30 -

1 stop37h 50m

Deal found 13/9£558

Sun 8/1121:30 -

2 stops34h 35m

Sun 6/1211:30 -

1 stop38h 05m

Deal found 13/9£582

Fri 6/1109:50 -

1 stop17h 40m

Tue 24/1111:30 -

1 stop26h 00m

Deal found 14/9£582

Sat 31/1010:30 -

1 stop30h 35m

Fri 6/1101:05 -

1 stop19h 55m

Deal found 16/9£584

Sun 8/1117:00 -

1 stop24h 05m

Tue 24/1101:05 -

1 stop19h 55m

Deal found 12/9£585

Fri 18/911:35 -

2 stops43h 10m

Sun 4/1010:30 -

2 stops38h 40m

Deal found 15/9£590

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 17 September 2026.

Wed 17/209:50 -

1 stop22h 15m

Wed 3/311:30 -

1 stop26h 00m

Deal found 16/9£473

Thu 4/321:00 -

2 stops33h 00m

Thu 11/315:50 -

2 stops32h 40m

Deal found 16/9£618

Wed 13/119:45 -

1 stop17h 50m

Thu 18/221:40 -

2 stops27h 05m

Deal found 12/9£625

Sat 31/1017:00 -

1 stop24h 05m

Sat 7/1118:00 -

3 stops43h 30m

Deal found 16/9£678

Mon 9/1122:00 -

1 stop29h 30m

Mon 30/1116:25 -

1 stop33h 10m

Deal found 13/9£541

Mon 9/1121:00 -

2 stops29h 05m

Sun 29/1101:05 -

1 stop23h 25m

Deal found 13/9£619

Sat 31/1021:30 -

2 stops30h 00m

Sat 7/1111:30 -

1 stop38h 05m

Deal found 16/9£630

Wed 13/117:00 -

1 stop24h 05m

Tue 26/101:05 -

1 stop19h 55m

Deal found 14/9£630

Wed 17/220:05 -

2 stops30h 05m

Wed 3/310:15 -

2 stops26h 40m

Deal found 16/9£709

Wed 17/217:00 -

1 stop24h 05m

Wed 3/312:20 -

3 stops25h 10m

Deal found 16/9£633

Wed 17/220:05 -

2 stops30h 05m

Wed 24/213:55 -

2 stops35h 30m

Deal found 17/9£709

Sun 8/1110:30 -

2 stops21h 20m

Sat 5/1201:05 -

1 stop19h 55m

Deal found 13/9£635

Wed 13/120:05 -

2 stops30h 05m

Thu 18/210:15 -

2 stops26h 40m

Deal found 12/9£711

Wed 11/1110:30 -

3 stops39h 35m

Fri 27/1101:05 -

1 stop36h 25m

Deal found 12/9£637

Mon 9/1117:00 -

1 stop24h 05m

Sun 29/1101:05 -

1 stop19h 55m

Deal found 13/9£640

Thu 4/314:05 -

2 stops22h 40m

Thu 11/320:30 -

2 stops22h 35m

Deal found 16/9£855

Wed 17/221:00 -

1 stop20h 05m

Tue 2/301:05 -

1 stop23h 25m

Deal found 16/9£705

Sat 7/1106:25 -

2 stops21h 15m

Wed 25/1120:30 -

2 stops21h 20m

Deal found 12/9£931

Wed 17/214:05 -

2 stops22h 40m

Wed 3/320:30 -

2 stops22h 35m

Deal found 16/9£989

Wed 13/120:15 -

2 stops18h 50m

Wed 27/120:30 -

2 stops22h 35m

Deal found 14/9£995

Thu 1/1014:55 -

2 stops22h 50m

Thu 8/1020:30 -

2 stops22h 30m

Deal found 15/9£997

Sat 31/1020:15 -

2 stops18h 55m

Sat 7/1120:30 -

2 stops22h 35m

Deal found 16/9£1,023

Mon 9/1110:55 -

2 stops25h 50m

Mon 30/1120:30 -

2 stops26h 50m

Deal found 12/9£1,086

Wed 17/209:15 -

2 stops27h 30m

Wed 3/312:35 -

2 stops27h 40m

Deal found 16/9£1,145

Wed 13/109:15 -

2 stops16h 55m

Wed 27/120:30 -

2 stops19h 10m

Deal found 14/9£1,312

Fri 15/109:15 -

2 stops16h 55m

Sun 31/120:30 -

2 stops19h 10m

Deal found 14/9£1,405

Sun 8/1117:20 -

2 stops19h 25m

Sun 6/1213:55 -

2 stops27h 00m

Deal found 13/9£1,408

Thu 4/309:15 -

2 stops16h 55m

Thu 11/320:30 -

2 stops19h 10m

Deal found 16/9£1,478

Find flight deals from London to Vientiane

Round-trip from	£475
One-way from	£325
Popular in	June
Cheapest in	September
Average price	£615

China Southern
3/12-11/12
2 total stops
43h 40m total
London to Vientiane

Search Deals

12/11-31/12
2 total stops
43h 20m total
London to Vientiane

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£51 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonVientiane

STN London Stansted - VTE Vientiane Wattay

STNVTE

London Stansted

Sun 15/11

10:35-00:05

2 stops54h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Sun 15/11

08:25-00:05

2 stops56h 40m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonVientiane

STN London Stansted - VTE Vientiane Wattay

STNVTE

London Stansted

Thu 12/11

23:20-14:15

3 stops55h 55m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£348

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Thu 24/9

15:45-22:10

3 stops48h 25m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£358

Fastest return journey

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Mon 26/10

09:50-10:30

1 stop17h 40m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£373

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 12/11

22:30-18:00

2 stops36h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£377

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Fri 20/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£384

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Mon 1/2

14:25-22:10

3 stops48h 45m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£385

LondonVientiane

STN London Stansted - VTE Vientiane Wattay

STNVTE

London Stansted

Sat 14/11

15:40-00:05

2 stops25h 25m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£396

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sun 25/10

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£397

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 58 resultsSorted by cheapest first

...

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.

LON-VTE

STN-VTE

LGW-VTE

LHR-VTE

LCY-VTE

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

LON-VTE

STN-VTE

LGW-VTE

LHR-VTE

LCY-VTE

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

Currently, April is the cheapest month in which you can book a flight from London to Vientiane (average of £631). Flying from London to Vientiane in March is currently the most expensive (average of £1,334). 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.

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

Bangkok (BKK) – chosen by Cheapflights users on 75% 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 £575.

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 36m.

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 2h 53m.

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

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Thai Airways

7.9

Good

419 reviews

Thai Airways

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

China Southern

7.3

Good

172 reviews

Thai Airways

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

China Eastern

7.3

Good

240 reviews

Thai Airways

7.9

Good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Virendra,Jan 2026

DEL - BKK

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 2 different airlines.
How long is the flight from London to Vientiane?
Airlines like China Southern, China Eastern, and Hainan Airlines fly from London to Vientiane in about 17h 50m. The time it takes to get you to your destination can typically vary by up to 15h 10m. The distance between London and Vientiane is about 5786 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 (£472), and Thai Airways (£863) offers the cheapest pricing from London to Vientiane. China Eastern is priced at 42% 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, April is the cheapest month in which you can book a flight from London to Vientiane (average of £631). Flying from London to Vientiane in March is currently the most expensive (average of £1,334). 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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Heathrow to Luang Prabang flights

Manchester to Vientiane flights

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Manchester to Luang Prabang flights

Birmingham to Luang Prabang flights

Edinburgh to Vientiane flights

Top 2 airlines flying from London to Vientiane

Airline	Cheapest	Average	Flexibility	On-time
China Eastern	Cheapest£472	Average£557	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Thai Airways	Cheapest£863	Average£941	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 £325

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Vientiane

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

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

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 17 September 2026.

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 17 September 2026.

Last-minute flights from London to VientianeDiscover last-minute flight deals from London to Vientiane. Data last updated 17 September 2026 and is based on user searches.

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

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

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

Find flight deals from London to Vientiane

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Popular in

Cheapest in

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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

What is the cheapest month to book a 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.

Bangkok (BKK) – chosen by Cheapflights users on 75% of one-stop itineraries from London to Vientiane on Cheapflights.

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.

Guangzhou (CAN) is the most affordable one-stop option, with an average return flight price of £575.

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.

Flights via Bangkok (BKK) have the shortest average one-way travel time for one-stop routes: 15h 36m.

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.

Flights via Bangkok (BKK) offer the fastest connection on this route, with an average stopover time of 2h 53m.

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

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.

Complete your trip

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

Search flights from London to Vientiane by cabin class

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

London and Vientiane flights

Browse other London and Vientiane flight options. Last updated on 17 September 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2026.

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Check out other popular destinations found by fellow travellers in 2026

Other flights to Vientiane

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

Top 2 airlines flying from London to Vientiane

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

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 17 September 2026.

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

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 17 September 2026.