Cheap flights from London to Vientiane from £505

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — VTE
31 Aug — 7 Sep1
1 adult

Cheapflights Tip: The best prices from London to Vientiane Wattay are usually found in May or September, booked 79 days in advance, depart on a Thursday or Tuesday and return on a Monday

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 26 August 2025.

Round-trip from

£505

Popular in

August

Cheapest in

May

Average price

£902
China Southern
  • China Southern
  • 30/10-12/11
  • 3 total stops
  • 67h 45m total
  • London to Vientiane
Highest demand for flights based on searches. 11% potential increase in price (£63 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in August 2025

Find flight deals from London to Vientiane

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 26 August 2025.

Thu 30/1021:30LHR - VTE
2 stops37h 55mChina Southern
Tue 11/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£505
Tue 23/921:00LHR - VTE
2 stops38h 45mChina Southern
Tue 30/918:45VTE - LHR
1 stop30h 15mChina Southern
Deal found 24/8£523
Thu 30/1022:00LHR - VTE
1 stop37h 25mChina Southern
Sun 9/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£526
Mon 3/1121:30LHR - VTE
2 stops37h 55mChina Southern
Wed 12/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£531
Sun 2/1122:00LHR - VTE
1 stop37h 25mChina Southern
Wed 12/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£537
Thu 30/1022:00LHR - VTE
1 stop37h 25mChina Southern
Fri 14/1119:25VTE - LHR
2 stops29h 30mChina Southern
Deal found 24/8£540
Sun 9/1122:00LHR - VTE
1 stop37h 25mChina Southern
Fri 14/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£550
Sun 9/1117:40LHR - VTE
2 stops21h 10mMultiple Airlines
Fri 14/1107:55VTE - LHR
2 stops40h 55mMultiple Airlines
Deal found 24/8£552
Sun 2/1122:00LHR - VTE
1 stop37h 25mChina Southern
Thu 13/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£553
Tue 4/1122:00LHR - VTE
1 stop37h 25mChina Southern
Mon 10/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£557
Mon 3/1121:30LHR - VTE
2 stops37h 55mChina Southern
Thu 13/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 24/8£568
Mon 1/914:55LGW - VTE
2 stops22h 50mMultiple Airlines
Mon 15/920:30VTE - LGW
2 stops22h 55mMultiple Airlines
Deal found 24/8£726

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 26 August 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

Sun 2/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Thu 13/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 30/10

21:30-18:25

2 stops61h 55m

Vientiane Wattay

Thu 13/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 2/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Tue 11/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Thu 30/10

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Tue 11/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 4/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Thu 13/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 2/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Mon 10/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 4/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Tue 11/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 5/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Sun 9/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Wed 5/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Thu 13/11

19:25-18:15

1 stop29h 50m

£505

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 2/11

21:30-18:25

2 stops37h 55m

Vientiane Wattay

Sun 9/11

19:25-18:15

1 stop29h 50m

£505

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 20 results
1
2

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 22 August 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.

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 58% 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 £634.

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 35m.

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 25m.

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 26 August 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.

Overall

7.8

Boarding

7.9

Comfort

7.5

Crew

8.3

Entertainment

6.9

Food

7.3

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.

Overall

7.8

Boarding

7.9

Comfort

7.5

Crew

8.3

Entertainment

6.9

Food

7.3

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.

Overall

7.8

Boarding

7.9

Comfort

7.5

Crew

8.3

Entertainment

6.9

Food

7.3

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.

Overall

7.8

Boarding

7.9

Comfort

7.5

Crew

8.3

Entertainment

6.9

Food

7.3

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 Singapore Airlines fly from London to Vientiane in about 19h 55m. The time it takes to get you to your destination can typically vary by up to 18h. 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 Southern (£470), China Eastern (£570), and Thai Airways (£770) offers the cheapest pricing from London to Vientiane. China Southern is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from London to Vientiane?

  • 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.

See more FAQs

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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 26 August 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£470Average£528FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£570Average£654FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£770Average£808FlexibilityNo 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?

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

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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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