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Cheap flights from London to Vientiane from £303

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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — VTE
6 2月 — 13 2月1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Vientiane

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Vientiane (VTE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 1月 2026.

Round-trip from

£512

One-way from

£303

Popular in

December

Cheapest in

September

Average price

£890
China Eastern
  • China Eastern
  • 1/3-6/3
  • 3 total stops
  • 58h 30m total
  • London to Vientiane
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7/3
  • 7/3
  • 2 total stops
  • 58h 00m total
  • London to Vientiane
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£130 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find flight deals from London to Vientiane

Enter your travel dates to find the best prices.

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 7 1月 2026.

週日 1/314:25LGW - VTE
2 stops38h 35mMultiple Airlines
週五 6/301:05VTE - LGW
1 stop19h 55mMultiple Airlines
Deal found 6/1£512
週五 8/512:00LGW - VTE
1 stop20h 45mChina Southern
週五 22/515:50VTE - LGW
2 stops32h 40mChina Southern
Deal found 5/1£520
週五 8/512:00LGW - VTE
1 stop20h 45mChina Southern
週日 24/515:50VTE - LGW
1 stop21h 15mChina Southern
Deal found 6/1£524
週四 26/222:00LHR - VTE
1 stop34h 05mChina Southern
週一 9/311:30VTE - LHR
2 stops37h 30mChina Southern
Deal found 5/1£539
週四 7/512:00LGW - VTE
1 stop20h 45mChina Southern
週三 20/515:50VTE - LGW
1 stop21h 15mChina Southern
Deal found 5/1£540
週六 18/422:10LHR - VTE
1 stop34h 35mChina Southern
週六 2/515:50VTE - LHR
1 stop33h 10mChina Southern
Deal found 6/1£541
週五 8/522:10LHR - VTE
1 stop34h 35mChina Southern
週五 22/515:50VTE - LHR
1 stop33h 10mChina Southern
Deal found 5/1£548
週三 18/222:00LHR - VTE
1 stop34h 05mChina Southern
週三 25/216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 5/1£549
週三 6/522:10LHR - VTE
1 stop34h 35mChina Southern
週一 25/515:50VTE - LHR
2 stops32h 15mChina Southern
Deal found 6/1£549
週一 11/521:00LHR - VTE
2 stops59h 45mChina Southern
週二 26/515:50VTE - LHR
1 stop33h 10mChina Southern
Deal found 6/1£551
週五 17/412:00LGW - VTE
1 stop20h 45mChina Southern
週日 3/515:50VTE - LGW
1 stop21h 15mChina Southern
Deal found 5/1£554
週六 9/522:10LHR - VTE
1 stop34h 35mChina Southern
週日 24/515:50VTE - LHR
1 stop33h 10mChina Southern
Deal found 6/1£554

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Vientiane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 1月 2026.
Use the filters below to find and compare flights from London to Vientiane that are best for you.

Fly from

London

Fly to

Vientiane

Route

Depart

Return

Price

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週四 7/5

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週四 21/5

15:50-07:05

1 stop21h 15m

£524

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週五 8/5

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週日 24/5

15:50-07:05

1 stop21h 15m

£540

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週一 11/5

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週三 20/5

15:50-07:05

1 stop21h 15m

£541

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週四 7/5

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週日 24/5

15:50-07:05

1 stop21h 15m

£541

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

週六 18/4

22:10-14:45

1 stop34h 35m

Vientiane Wattay

週六 2/5

15:50-19:00

1 stop33h 10m

£556

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週六 9/5

21:30-14:45

2 stops35h 15m

Vientiane Wattay

週日 24/5

15:50-07:05

1 stop21h 15m

£567

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週五 17/4

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週四 30/4

15:50-07:05

1 stop21h 15m

£571

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週四 7/5

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週五 22/5

15:50-18:30

2 stops32h 40m

£571

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週五 17/4

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週三 29/4

15:50-07:05

1 stop21h 15m

£571

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

週一 11/5

12:00-14:45

1 stop20h 45m

Vientiane Wattay

週四 21/5

15:50-07:05

1 stop21h 15m

£571

Flights are sorted by cheapest return flights first.

Deals found on 4/1

Showing 1-10 of 55 results
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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 £234). Flying from London to Vientiane in December is currently the most expensive (average of £916). 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?

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 71% 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 £508.

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 56m.

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 06m.

Reviews of airlines servicing Vientiane

Get insights into the airlines that provide service to Vientiane. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Vientiane. Reviews last updated 7 1月 2026.
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
374 reviews
Check prices

Food

7.3

Entertainment

6.9

Comfort

7.5

Boarding

7.8

Overall

7.8

Crew

8.3

Reviews

1 / 19
8.0
Excellent

Nakin,Jan 2026

TFU - BKK

Overall ok except crew not serve drinks with meal. Tried to push call button three times and wait for half hour but still no one response. Ended up with waving hands to some crew that finally walk passing me to get drink.
Thai Airways
7.8
Good
374 reviews
Thai Airways
7.8
Good
374 reviews
Check prices

Food

7.3

Entertainment

6.9

Comfort

7.5

Boarding

7.8

Overall

7.8

Crew

8.3

Reviews

1 / 19
8.0
Excellent

Nakin,Jan 2026

TFU - BKK

Overall ok except crew not serve drinks with meal. Tried to push call button three times and wait for half hour but still no one response. Ended up with waving hands to some crew that finally walk passing me to get drink.
China Southern
7.5
Good
125 reviews
Thai Airways
7.8
Good
374 reviews
Check prices

Food

7.3

Entertainment

6.9

Comfort

7.5

Boarding

7.8

Overall

7.8

Crew

8.3

Reviews

1 / 19
8.0
Excellent

Nakin,Jan 2026

TFU - BKK

Overall ok except crew not serve drinks with meal. Tried to push call button three times and wait for half hour but still no one response. Ended up with waving hands to some crew that finally walk passing me to get drink.
China Eastern
7.2
Good
186 reviews
Thai Airways
7.8
Good
374 reviews
Check prices

Food

7.3

Entertainment

6.9

Comfort

7.5

Boarding

7.8

Overall

7.8

Crew

8.3

Reviews

1 / 19
8.0
Excellent

Nakin,Jan 2026

TFU - BKK

Overall ok except crew not serve drinks with meal. Tried to push call button three times and wait for half hour but still no one response. Ended up with waving hands to some crew that finally walk passing me to get drink.

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?

    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 fly from London to Vientiane in about 20h 45m. The time it takes to get you to your destination can typically vary by up to . The distance between London and Vientiane is about 5782 mi.

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

    According to our current data, China Eastern (£234), China Southern (£430), and Thai Airways (£772) 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 £234). Flying from London to Vientiane in December is currently the most expensive (average of £916). 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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Top 3 airlines flying from London to Vientiane

Discover the top 3 airlines that operate flights from London to Vientiane. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 1月 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£234Average£647FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£430Average£522FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Thai AirwaysCheapest£772Average£813FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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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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