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Cheap flights from London to Vientiane from £332

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — VTE
6 May — 13 May1
1 adult

Cheapflights Tip: The best prices from London to Vientiane Wattay are usually found in May or June, 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 1 May 2025.

Round-trip from

£501

One-way from

£332

Popular in

August

Cheapest in

May

Average price

£568
China Southern
  • China Southern
  • 12/5-19/5
  • 3 total stops
  • 66h 55m total
  • London to Vientiane
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14/6
  • 14/6
  • 3 total stops
  • 58h 45m total
  • London to Vientiane
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£178 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).
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Average for round-trip flights in May 2025
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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 1 May 2025.

Thu 20/1122:00LHR - VTE
1 stop37h 25mChina Southern
Sun 30/1119:25VTE - LHR
1 stop29h 50mChina Southern
Deal found 1/5£402
Mon 30/622:00LHR - VTE
2 stops42h 20mMultiple Airlines
Thu 24/721:05VTE - LHR
1 stop28h 25mMultiple Airlines
Deal found 30/4£528
Tue 6/521:30LGW - VTE
2 stops38h 15mChina Southern
Sun 22/618:45VTE - LGW
1 stop18h 05mChina Southern
Deal found 30/4£546
Tue 13/514:40LGW - VTE
2 stops39h 30mMultiple Airlines
Tue 20/523:20VTE - LGW
1 stop21h 40mMultiple Airlines
Deal found 1/5£570
Tue 13/518:00LGW - VTE
3 stops33h 35mChina Eastern
Tue 20/510:35VTE - LGW
3 stops34h 25mChina Eastern
Deal found 30/4£595
Mon 5/521:20LHR - VTE
2 stops30h 15mChina Eastern
Mon 19/515:50VTE - LHR
2 stops32h 50mChina Eastern
Deal found 30/4£612
Tue 25/1111:00LHR - VTE
1 stop25h 00mVietnam Airlines
Wed 10/1211:35VTE - LHR
1 stop26h 40mVietnam Airlines
Deal found 30/4£671
Thu 20/1120:15STN - VTE
2 stops18h 35mMultiple Airlines
Sun 30/1118:35VTE - STN
2 stops24h 30mMultiple Airlines
Deal found 1/5£862
Tue 6/512:30LHR - VTE
1 stop18h 10mThai Airways
Tue 24/613:30VTE - LHR
1 stop23h 45mThai Airways
Deal found 30/4£925
Sat 14/610:15LGW - VTE
1 stop19h 40mSingapore Airlines
Sat 21/612:45VTE - LGW
1 stop23h 40mSingapore Airlines
Deal found 30/4£1,017
Wed 6/822:00LHR - VTE
1 stop16h 30mHainan Airlines
Thu 28/821:35VTE - LHR
2 stops27h 55mHainan Airlines
Deal found 1/5£1,084
Sat 1/1110:40LCY - VTE
2 stops19h 25mMultiple Airlines
Thu 13/1120:30VTE - LCY
2 stops44h 35mMultiple Airlines
Deal found 1/5£1,091

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 1 May 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 12/5

22:10-17:45

1 stop37h 35m

Vientiane Wattay

Mon 19/5

18:45-18:05

2 stops29h 20m

£501

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 30/6

22:00-22:20

2 stops42h 20m

Vientiane Wattay

Thu 24/7

21:05-19:30

1 stop28h 25m

£528

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 13/5

07:10-22:20

3 stops33h 10m

Vientiane Wattay

Tue 20/5

23:20-15:00

1 stop21h 40m

£576

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Tue 13/5

18:00-09:35

3 stops33h 35m

Vientiane Wattay

Tue 20/5

10:35-15:00

3 stops34h 25m

£595

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Tue 13/5

21:20-09:35

3 stops30h 15m

Vientiane Wattay

Tue 20/5

18:50-18:40

2 stops29h 50m

£603

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 12/5

18:55-19:15

3 stops42h 20m

Vientiane Wattay

Mon 19/5

11:30-16:55

3 stops59h 25m

£844

LondonVientiane

STN - VTE

STNVTE

London Stansted

Sat 14/6

21:10-21:50

2 stops18h 40m

Vientiane Wattay

Sat 21/6

18:40-12:55

2 stops24h 15m

£899

LondonVientiane

LGW - VTE

LGWVTE

London Gatwick

Sat 14/6

10:15-11:55

1 stop19h 40m

Vientiane Wattay

Sat 21/6

12:45-06:25

1 stop23h 40m

£1,017

LondonVientiane

LCY - VTE

LCYVTE

London City

Tue 13/5

13:05-12:40

2 stops17h 35m

Vientiane Wattay

Tue 20/5

12:45-08:50

2 stops26h 05m

£1,208

LondonVientiane

LHR - VTE

LHRVTE

London Heathrow

Mon 30/6

22:10-17:45

1 stop37h 35m

£378

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 12 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 25 April 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.

Rainfall in Vientiane by month

Plan your trip to Vientiane by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Vientiane ranges from 10.0 - 120.0 inches per month. July is typically the wettest month, when rainfall can reach 120.0 mm. January is typically the driest time to visit Vientiane when rainfall is around 10.0 mm.

Temperature in Vientiane by month

Plan your trip to Vientiane by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Vientiane, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 22.0 C).

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 1 May 2025.
Peruse reviews from past customers who have flown with Hainan Airlines, Singapore Airlines and Thai Airways from London to Vientiane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Hainan Airlines
8.1
Very Good
38 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Singapore Airlines
8.1
Very Good
1,292 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Thai Airways
7.7
Good
325 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
Austrian Airlines
7.6
Good
781 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.
China Southern
7.5
Good
96 reviews
Hainan Airlines
8.1
Very Good
38 reviews
Check prices

Overall

8.1

Comfort

8.1

Boarding

8.6

Food

8.5

Crew

9.0

Entertainment

7.7

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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 (£501), China Eastern (£595), and Vietnam Airlines (£714) offers the cheapest pricing from London to Vientiane. China Southern is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London to Vientiane one-way?

    £376 is the cheapest one-way deal found within the past few days, from China Southern. You may also be able to find cheap deals on Thai Airways and China Eastern, with prices starting from £566 and £620, respectively.

  • 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.

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 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£474Average£538FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest£576Average£658FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£777Average£819FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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

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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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