How long is the flight from London to Vientiane?

Airlines like China Southern, China Eastern, and Vietnam Airlines fly from London to Vientiane in about 17h 40m. The time it takes to get you to your destination can typically vary by up to 27h 40m. 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 (£476), and Thai Airways (£900) offers the cheapest pricing from London to Vientiane. China Eastern is priced at 40% 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.

£324+ 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 20 October 2026.

Wed 18/1109:50 -

1 stop17h 40m

Tue 1/1216:25 -

1 stop21h 15m

Deal found 19/10£471

Mon 9/1109:50 -

1 stop22h 15m

Sun 22/1116:25 -

1 stop21h 05m

Deal found 19/10£471

Thu 19/1109:50 -

1 stop17h 40m

Thu 3/1211:30 -

1 stop26h 00m

Deal found 19/10£473

Thu 19/1109:50 -

1 stop17h 40m

Tue 1/1216:25 -

1 stop21h 15m

Deal found 19/10£476

Sun 29/1122:00 -

1 stop34h 05m

Sun 6/1216:25 -

1 stop33h 10m

Deal found 15/10£498

Thu 19/1122:00 -

1 stop29h 30m

Tue 1/1216:25 -

1 stop33h 10m

Deal found 19/10£500

Wed 18/1122:00 -

1 stop29h 30m

Wed 2/1216:25 -

1 stop33h 10m

Deal found 18/10£501

Sun 22/1122:00 -

1 stop29h 30m

Sat 5/1211:30 -

1 stop38h 05m

Deal found 16/10£502

Sun 15/1122:00 -

1 stop34h 05m

Sun 22/1111:30 -

1 stop38h 05m

Deal found 18/10£503

Mon 16/1122:00 -

1 stop29h 30m

Thu 26/1111:30 -

1 stop38h 05m

Deal found 15/10£528

Thu 12/1122:00 -

1 stop34h 05m

Thu 19/1116:25 -

1 stop33h 10m

Deal found 15/10£534

Thu 5/1122:00 -

1 stop34h 05m

Sun 22/1111:30 -

1 stop38h 05m

Deal found 16/10£541

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 20 October 2026.

Thu 3/1209:50 -

1 stop17h 40m

Thu 10/1216:25 -

1 stop21h 05m

Deal found 19/10£473

Sun 22/1110:30 -

2 stops45h 20m

Sat 5/1218:15 -

3 stops50h 45m

Deal found 16/10£580

Tue 10/1111:00 -

2 stops25h 05m

Mon 16/1111:25 -

2 stops26h 50m

Deal found 15/10£797

Thu 19/1109:50 -

1 stop17h 40m

Tue 1/1216:25 -

1 stop21h 15m

Deal found 19/10£476

Fri 12/209:50 -

1 stop17h 40m

Sun 21/318:35 -

1 stop18h 55m

Deal found 16/10£477

Thu 19/1110:30 -

2 stops21h 20m

Thu 3/1215:50 -

2 stops29h 10m

Deal found 19/10£593

Fri 20/1110:30 -

1 stop30h 35m

Thu 3/1201:05 -

1 stop19h 55m

Deal found 17/10£594

Sat 16/120:20 -

2 stops31h 10m

Sun 24/118:35 -

1 stop18h 55m

Deal found 19/10£591

Mon 9/1121:00 -

2 stops35h 50m

Mon 30/1116:50 -

2 stops31h 40m

Deal found 19/10£622

Wed 11/1111:00 -

1 stop16h 40m

Sun 22/1111:25 -

3 stops26h 50m

Deal found 15/10£827

Thu 19/1121:00 -

2 stops37h 15m

Tue 1/1215:50 -

2 stops32h 40m

Deal found 19/10£645

Sat 7/1111:00 -

2 stops25h 05m

Tue 24/1119:50 -

1 stop18h 25m

Deal found 16/10£917

Wed 25/1111:00 -

1 stop16h 40m

Sun 29/1119:50 -

1 stop18h 25m

Deal found 18/10£958

Tue 3/1111:00 -

2 stops25h 05m

Tue 24/1111:25 -

3 stops57h 20m

Deal found 16/10£982

Tue 10/1111:00 -

2 stops25h 05m

Sat 21/1111:25 -

3 stops26h 50m

Deal found 15/10£1,004

Find flight deals from London to Vientiane

Round-trip from	£470
One-way from	£324
Popular in	December
Cheapest in	November
Average price	£816

China Southern
16/1-24/1
2 total stops
43h 40m total
London to Vientiane

Search Deals

10/1-31/12
2 total stops
55h 15m total
London to Vientiane

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£64 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£28 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sat 28/11

21:00-19:35

1 stop15h 35m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£336

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Sat 28/11

10:30-10:30

2 stops41h 00m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£360

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Wed 27/1

09:50-22:05

2 stops29h 15m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£378

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Thu 31/12

21:25-20:35

3 stops40h 10m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£379

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Tue 5/1

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£391

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Sat 30/1

16:40-11:15

2 stops35h 35m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£405

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Thu 28/1

14:40-22:10

3 stops24h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£409

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Mon 11/1

21:10-11:15

2 stops31h 05m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£414

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Tue 5/1

08:50-11:15

3 stops43h 25m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£425

LondonVientiane

LGW London Gatwick - VTE Vientiane Wattay

LGWVTE

London Gatwick

Tue 12/1

14:55-00:05

2 stops26h 10m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£427

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Showing 1-10 of 38 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

LGW-VTE

LHR-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

LGW-VTE

LHR-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 £637). Flying from London to Vientiane in March is currently the most expensive (average of £1,321). 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 61% of one-stop itineraries from London to Vientiane on Cheapflights.

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

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £598.

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

Flights via Hanoi (HAN) have the shortest average one-way travel time for one-stop routes: 16h 45m.

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 23m.

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

429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Thai Airways

7.9

Good

429 reviews

Thai Airways

7.9

Good

429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

China Southern

7.4

Good

179 reviews

Thai Airways

7.9

Good

429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

China Eastern

7.3

Good

245 reviews

Thai Airways

7.9

Good

429 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

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 Vietnam Airlines fly from London to Vientiane in about 17h 40m. The time it takes to get you to your destination can typically vary by up to 27h 40m. 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 (£476), and Thai Airways (£900) offers the cheapest pricing from London to Vientiane. China Eastern is priced at 40% 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 £637). Flying from London to Vientiane in March is currently the most expensive (average of £1,321). 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

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Manchester to Vientiane flights

Manchester 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£476	Average£562	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Thai Airways	Cheapest£900	Average£966	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 £324

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. 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 20 October 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 20 October 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 20 October 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 20 October 2026.

Last-minute flights from London to VientianeDiscover last-minute flight deals from London to Vientiane. Data last updated 20 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Vientiane. Data last updated 20 October 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 20 October 2026.

Search for one-way flight options from London to Vientiane. Find affordable one-way fares based on user searches. Data last updated 20 October 2026.

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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 61% 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.

Shanghai (PVG) is the most affordable one-stop option, with an average return flight price of £598.

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 Hanoi (HAN) have the shortest average one-way travel time for one-stop routes: 16h 45m.

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 3h 23m.

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 20 October 2026.

Other flights from London

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Check out other popular destinations found by fellow travellers in 2026

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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 20 October 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 20 October 2026.

Last-minute flights from London to Vientiane
Discover last-minute flight deals from London to Vientiane. Data last updated 20 October 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 20 October 2026.