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Cheap flights from the United Kingdom to Vientiane from £251

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — VTE
11 Feb — 18 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Vientiane

Keep the following information in mind while searching for United Kingdom to Vientiane flight deals. Data was last updated 12 January 2026.

Round-trip from

£490

One-way from

£251

Popular in

December

Cheapest in

September

Average price

£898
China Southern
  • China Southern
  • 23/2-2/3
  • 2 total stops
  • 67h 15m total
  • United Kingdom to Vientiane
Search Deals
4/3
  • 4/3
  • 3 total stops
  • 57h 10m total
  • United Kingdom to Vientiane
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£140 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 January 2026
Search Deals

Find flight deals from United Kingdom to Vientiane

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Vientiane
Explore the most affordable flight options available from United Kingdom to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 January 2026.

Wed 18/222:00LHR - VTE
1 stop34h 05mChina Southern
Wed 25/216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 11/1£503
Tue 20/122:00LHR - VTE
1 stop28h 05mChina Southern
Thu 5/216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 11/1£510
Thu 19/222:00LHR - VTE
1 stop34h 05mChina Southern
Sat 21/311:30VTE - LHR
2 stops33h 30mChina Southern
Deal found 10/1£511
Thu 19/222:00LHR - VTE
1 stop34h 05mChina Southern
Sun 22/311:30VTE - LHR
1 stop36h 30mChina Southern
Deal found 10/1£514
Mon 9/222:00LHR - VTE
1 stop34h 05mChina Southern
Mon 16/216:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 10/1£517
Sat 28/222:00LHR - VTE
1 stop34h 05mChina Southern
Fri 6/311:30VTE - LHR
1 stop38h 05mChina Southern
Deal found 10/1£518
Sun 18/121:30LHR - VTE
2 stops28h 35mChina Southern
Sun 25/116:25VTE - LHR
1 stop33h 10mChina Southern
Deal found 11/1£547
Tue 10/222:00LHR - VTE
1 stop34h 05mChina Southern
Tue 17/210:25VTE - LHR
2 stops34h 35mChina Southern
Deal found 10/1£560
Mon 2/319:35LHR - VTE
1 stop31h 55mChina Southern
Sun 8/311:30VTE - LHR
1 stop36h 30mChina Southern
Deal found 10/1£562
Fri 16/107:30STN - VTE
3 stops26h 30mMultiple Airlines
Fri 23/112:20VTE - STN
3 stops29h 15mMultiple Airlines
Deal found 11/1£568
Thu 19/206:10STN - VTE
3 stops30h 35mMultiple Airlines
Sun 22/312:20VTE - STN
3 stops34h 50mMultiple Airlines
Deal found 10/1£573
Fri 27/213:10LGW - VTE
3 stops25h 35mMultiple Airlines
Fri 6/301:05VTE - LGW
1 stop36h 25mMultiple Airlines
Deal found 10/1£576

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 12 January 2026.
Use the filters below to find and compare flights from the United Kingdom to Vientiane that are best for you.

Fly from

United Kingdom

Fly to

Vientiane

Route

Depart

Return

Price

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 18/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Wed 25/2

16:25-18:35

1 stop33h 10m

£503

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 28/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Fri 6/3

11:30-18:35

1 stop38h 05m

£518

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 19/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sun 22/3

11:30-18:35

2 stops38h 05m

£565

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sat 28/2

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Sat 7/3

11:30-14:00

2 stops33h 30m

£574

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Fri 27/2

13:10-21:45

3 stops25h 35m

Vientiane Wattay

Fri 6/3

01:05-06:30

1 stop36h 25m

£576

ManchesterVientiane

MAN - VTE

MANVTE

Manchester

Thu 12/3

14:45-10:30

2 stops36h 45m

Vientiane Wattay

Mon 16/3

11:30-17:35

2 stops61h 05m

£583

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 13/5

21:00-14:45

2 stops35h 45m

Vientiane Wattay

Sun 17/5

15:50-19:00

1 stop33h 10m

£584

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 18/3

21:30-10:30

2 stops30h 00m

Vientiane Wattay

Mon 6/4

15:50-19:00

1 stop33h 10m

£595

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 2/3

19:35-10:30

1 stop31h 55m

Vientiane Wattay

Sun 8/3

11:30-18:35

2 stops38h 05m

£601

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Thu 19/2

10:30-09:05

3 stops39h 35m

Vientiane Wattay

Sun 22/3

12:20-14:00

3 stops32h 40m

£604

Flights are sorted by cheapest return flights first.

Deals found on 10/1

Showing 1-10 of 55 results
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Best time to book a flight from United Kingdom to Vientiane

Have a flexible travel schedule? Discover the best time to fly to Vientiane from United Kingdom 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 the United Kingdom to Vientiane

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

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Vientiane (average of £236). Flying from United Kingdom to Vientiane in December is currently the most expensive (average of £924). 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.

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 12 January 2026.
Get a feel of what it's like to fly with Singapore Airlines, Thai Airways, andChina Southern from the United Kingdom 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.
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Singapore Airlines
8.1
Very Good
1,430 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
Thai Airways
7.8
Good
378 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
China Southern
7.4
Good
131 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.
China Eastern
7.2
Good
188 reviews
Singapore Airlines
8.1
Very Good
1,430 reviews
Check prices

Crew

8.6

Boarding

8.3

Entertainment

8.0

Comfort

8.0

Food

7.8

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom?

    Located just 2.8 mi from the city center, Vientiane Wattay (VTE) is the airport most travelers will use when flying to Vientiane from United Kingdom.

  • How long is the flight from United Kingdom to Vientiane?

    China Southern, China Eastern, and Singapore Airlines can get you from United Kingdom to Vientiane in just under 34h 05m. Your travel time can differ by up to 9h 20m. The distance between United Kingdom 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 most popular routes from United Kingdom to Vientiane?

    When deciding which route to take from United Kingdom 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 United Kingdom to Vientiane that include hotel bookings?

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

  • How can I find direct flights from United Kingdom to Vientiane?

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

  • Can I find deals for business class flights from United Kingdom to Vientiane?

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Vientiane?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Vientiane (average of £236). Flying from United Kingdom to Vientiane in December is currently the most expensive (average of £924). 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 4 airlines flying from United Kingdom to Vientiane

Discover the top 4 airlines that operate flights from United Kingdom 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 12 January 2026.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£237Average£655FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest£434Average£547FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest£551Average£916FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£781Average£834FlexibilityNo 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 United Kingdom to Vientiane?

Deals for United Kingdom to Vientiane flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Vientiane from United Kingdom.

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

Yes, we can. To see specific flights from United Kingdom to Vientiane with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from United Kingdom to Vientiane on Cheapflights with our Price Alert feature and get notified when better prices are available.

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