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Cheap flights from London to Vientiane from £295

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — VTE
9 Jul — 16 Jul1
1 adult

Cheapflights Tip: The best prices from London to Vientiane Wattay are usually found in May or December, 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 4 July 2025.

Round-trip from

£459

One-way from

£295

Popular in

July

Cheapest in

May

Average price

£912
China Southern
  • China Southern
  • 30/9-10/10
  • 3 total stops
  • 89h 05m total
  • London to Vientiane
China Southern
  • China Southern
  • 26/9
  • 1 total stop
  • 23h 45m total
  • London to Vientiane
Highest demand for flights based on searches. 15% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in July 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 4 July 2025.

Tue 30/922:10LHR - VTE
1 stop37h 35mChina Southern
Fri 10/1018:45VTE - LHR
2 stops51h 30mChina Southern
Deal found 2/7£459
Tue 11/1116:00LGW - VTE
1 stop32h 35mMultiple Airlines
Wed 26/1114:45VTE - LGW
1 stop34h 40mMultiple Airlines
Deal found 3/7£588
Sun 9/1117:00LGW - VTE
1 stop23h 59mChina Eastern
Sun 30/1110:10VTE - LGW
3 stops51h 20mChina Eastern
Deal found 3/7£611
Sun 9/1121:00LHR - VTE
3 stops29h 10mChina Eastern
Sun 30/1118:40VTE - LHR
2 stops29h 50mChina Eastern
Deal found 3/7£648
Mon 15/1207:25LHR - VTE
2 stops22h 40mMultiple Airlines
Tue 30/1201:00VTE - LHR
1 stop23h 30mMultiple Airlines
Deal found 2/7£699
Sun 9/1111:00LHR - VTE
1 stop16h 45mVietnam Airlines
Sun 30/1119:45VTE - LHR
1 stop18h 30mVietnam Airlines
Deal found 3/7£728
Tue 11/1120:15STN - VTE
2 stops18h 35mMultiple Airlines
Mon 24/1115:20VTE - STN
3 stops32h 40mMultiple Airlines
Deal found 3/7£763
Tue 11/1116:45LCY - VTE
2 stops46h 05mMultiple Airlines
Mon 24/1107:55VTE - LCY
2 stops34h 00mMultiple Airlines
Deal found 3/7£876

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 4 July 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

Tue 30/9

22:10-17:45

1 stop37h 35m

Vientiane Wattay

Fri 10/10

18:45-16:15

2 stops51h 30m

£459

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 11/11

16:00-07:35

1 stop32h 35m

Vientiane Wattay

Wed 26/11

14:45-18:25

1 stop34h 40m

£588

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sun 9/11

17:00-23:59

1 stop23h 59m

Vientiane Wattay

Sun 30/11

10:10-06:30

3 stops51h 20m

£611

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 9/11

21:00-09:10

3 stops29h 10m

Vientiane Wattay

Sun 30/11

18:40-17:30

2 stops29h 50m

£648

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 15/12

07:25-13:05

2 stops22h 40m

Vientiane Wattay

Tue 30/12

01:00-17:30

1 stop23h 30m

£699

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Sun 9/11

11:00-10:45

1 stop16h 45m

Vientiane Wattay

Sun 30/11

19:45-07:15

1 stop18h 30m

£728

LondonVientiane

STN - VTE

STNVTE

London Stansted

Tue 11/11

20:15-21:50

2 stops18h 35m

Vientiane Wattay

Mon 24/11

15:20-17:00

3 stops32h 40m

£763

LondonVientiane

LCY - VTE

LCYVTE

London City

Tue 11/11

16:45-21:50

2 stops46h 05m

Vientiane Wattay

Mon 24/11

07:55-10:55

2 stops34h 00m

£876

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Fri 26/9

12:00-17:45

1 stop23h 45m

£295

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Fri 26/9

22:10-17:45

1 stop37h 35m

£306

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 17 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 27 June 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?

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 4 July 2025.
Get a feel of what it's like to fly with China Southern, Vietnam Airlines, 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.

Boarding

8.0

Entertainment

7.6

Overall

7.6

Crew

8.3

Food

7.4

Comfort

7.9

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

Boarding

8.0

Entertainment

7.6

Overall

7.6

Crew

8.3

Food

7.4

Comfort

7.9

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

Boarding

8.0

Entertainment

7.6

Overall

7.6

Crew

8.3

Food

7.4

Comfort

7.9

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

Boarding

8.0

Entertainment

7.6

Overall

7.6

Crew

8.3

Food

7.4

Comfort

7.9

Reviews

1 / 3
10.0
Excellent

Puey cheng,Apr 2025

SIN - CAN

Seats are clean and comfortable. Most important, the leg room is wider than many other airlines

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.

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

    According to our current data, China Southern (£459), China Eastern (£611), and Vietnam Airlines (£728) offers the cheapest pricing from London to Vientiane. China Southern is priced at 34% 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

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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£464Average£522FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£563Average£644FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£761Average£802FlexibilityNo 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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