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Cheap flights from London to Vientiane from £346

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — VTE
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Vientiane Wattay are usually found in June or May, booked 77 days in advance, depart on a Thursday or Tuesday and return on a Monday

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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 18 November 2025.

Sun 23/1122:00LHR - VTE
1 stop34h 05mChina Southern
Tue 2/1216:25VTE - LHR
2 stops28h 35mChina Southern
Deal found 17/11£534
Sun 23/1110:30LGW - VTE
1 stop30h 35mChina Eastern
Tue 2/1215:50VTE - LGW
2 stops29h 10mChina Eastern
Deal found 17/11£604
Sat 22/1121:00LHR - VTE
2 stops34h 50mChina Eastern
Wed 3/1218:00VTE - LHR
2 stops30h 30mChina Eastern
Deal found 17/11£610
Sun 30/1122:00LHR - VTE
1 stop34h 05mChina Southern
Thu 4/1216:25VTE - LHR
2 stops32h 30mChina Southern
Deal found 17/11£614
Sat 22/1110:30LGW - VTE
1 stop30h 35mChina Eastern
Wed 3/1215:50VTE - LGW
2 stops21h 40mChina Eastern
Deal found 17/11£616
Sun 23/1121:10LHR - VTE
2 stops37h 35mMultiple Airlines
Mon 1/1201:05VTE - LHR
1 stop23h 25mMultiple Airlines
Deal found 17/11£624
Mon 17/1121:00LHR - VTE
3 stops61h 00mChina Eastern
Thu 27/1118:00VTE - LHR
2 stops54h 30mChina Eastern
Deal found 17/11£646
Sat 22/1120:20LGW - VTE
2 stops33h 55mMultiple Airlines
Tue 2/1201:05VTE - LGW
1 stop19h 55mMultiple Airlines
Deal found 17/11£666
Sun 23/1111:05LGW - VTE
2 stops45h 00mMultiple Airlines
Mon 1/1201:05VTE - LGW
1 stop36h 25mMultiple Airlines
Deal found 17/11£691
Tue 18/1110:30LGW - VTE
1 stop30h 35mMultiple Airlines
Sat 29/1115:50VTE - LGW
3 stops53h 10mMultiple Airlines
Deal found 14/11£691
Fri 21/1111:05LGW - VTE
2 stops23h 35mMultiple Airlines
Fri 19/1210:05VTE - LGW
3 stops34h 55mMultiple Airlines
Deal found 16/11£710
Sun 23/1120:15STN - VTE
2 stops18h 35mMultiple Airlines
Tue 2/1218:30VTE - STN
2 stops24h 35mMultiple Airlines
Deal found 17/11£865

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 18 November 2025.

Round-trip from

£578

One-way from

£346

Popular in

August

Cheapest in

June

Average price

£851
China Southern
  • China Southern
  • 28/2-15/3
  • 2 total stops
  • 67h 15m total
  • London to Vientiane
Search Deals
10/1
  • 10/1
  • 3 total stops
  • 43h 20m total
  • London to Vientiane
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£69 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 November 2025
Search Deals

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 18 November 2025.
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

LHR - VTE

LHRVTE

London Heathrow

Mon 5/1

21:30-15:05

2 stops58h 35m

Vientiane Wattay

Thu 12/3

16:25-18:35

1 stop33h 10m

£591

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 30/11

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Thu 4/12

16:25-17:55

2 stops32h 30m

£614

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Fri 27/2

10:30-00:05

1 stop30h 35m

Vientiane Wattay

Mon 2/3

01:05-06:30

1 stop36h 25m

£636

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 30/11

21:00-00:05

1 stop20h 05m

Vientiane Wattay

Wed 3/12

01:05-17:30

1 stop23h 25m

£666

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 27/2

21:30-15:05

2 stops34h 35m

Vientiane Wattay

Tue 3/3

16:25-18:35

1 stop33h 10m

£666

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sat 28/2

10:30-00:05

1 stop30h 35m

Vientiane Wattay

Sat 14/3

01:05-14:00

1 stop19h 55m

£676

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sat 28/2

06:45-19:45

3 stops30h 00m

Vientiane Wattay

Sun 15/3

12:20-06:30

2 stops25h 10m

£677

LondonVientiane

STN - VTE

STNVTE

London Stansted

Sat 28/2

20:15-21:50

2 stops18h 35m

Vientiane Wattay

Sun 15/3

18:35-12:05

2 stops24h 30m

£950

LondonVientiane

STN - VTE

STNVTE

London Stansted

Mon 5/1

20:15-21:45

2 stops18h 30m

Vientiane Wattay

Thu 12/3

18:30-12:05

2 stops24h 35m

£1,099

LondonVientiane

STN - VTE

STNVTE

London Stansted

Sat 14/2

20:15-21:50

2 stops18h 35m

Vientiane Wattay

Sat 28/2

18:30-12:05

2 stops24h 35m

£1,314

Flights are sorted by cheapest return flights first.

Deals found on 15/11

Showing 1-10 of 39 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

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

Use this chart to determine the optimal time to book a return flight from London to Vientiane. Price data was last updated on 14 November 2025.

The best time to book flights from London to Vientiane is 76 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.

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 £241). Flying from London to Vientiane in December is currently the most expensive (average of £931). 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 67% 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 £587.

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: 16h 17m.

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 14m.

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 18 November 2025.
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
362 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.3

Comfort

7.6

Overall

7.8

Entertainment

6.9

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
362 reviews
Thai Airways
7.8
Good
362 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.3

Comfort

7.6

Overall

7.8

Entertainment

6.9

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
119 reviews
Thai Airways
7.8
Good
362 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.3

Comfort

7.6

Overall

7.8

Entertainment

6.9

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
177 reviews
Thai Airways
7.8
Good
362 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.3

Comfort

7.6

Overall

7.8

Entertainment

6.9

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

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 and China Eastern fly from London to Vientiane in about 30h 35m. The time it takes to get you to your destination can typically vary by up to 28h. 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 (£241), China Southern (£442), and Thai Airways (£796) offers the cheapest pricing from London to Vientiane. China Eastern is priced at 66% 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 £241). Flying from London to Vientiane in December is currently the most expensive (average of £931). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£241Average£665FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£442Average£541FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Thai AirwaysCheapest£796Average£852FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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?

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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