Cheap flights from London Heathrow Airport to Vientiane from £297
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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Heathrow to Vientiane
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 11 July 2025.
Round-trip from | £453 |
---|---|
One-way from | £297 |
Popular in | July |
Cheapest in | June |
Average price | £1,227 |
Find flight deals from Heathrow to Vientiane
Cheapest flights from Heathrow to VientianeExplore the most affordable flight options available from Heathrow to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from Heathrow to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow 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 11 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Vientiane that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Sat 1/11
21:30-18:25
2 stops37h 55m
Vientiane Wattay
Sun 16/11
19:25-18:15
1 stop29h 50m
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Wed 22/10
22:00-20:30
1 stop16h 30m
Vientiane Wattay
Tue 4/11
01:00-17:30
1 stop23h 30m
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Thu 23/10
21:20-09:35
2 stops30h 15m
Vientiane Wattay
Tue 4/11
18:40-17:30
2 stops29h 50m
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Mon 20/10
18:55-19:15
3 stops42h 20m
Vientiane Wattay
Mon 3/11
11:35-07:15
2 stops26h 40m
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Wed 15/10
22:00-20:30
1 stop16h 30m
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Wed 15/10
22:05-17:45
2 stops37h 40m
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Sat 20/12
22:00-18:25
1 stop37h 25m
LondonVientiane
LHR - VTE
LHRVTE
London Heathrow
Sat 20/12
21:00-14:20
3 stops58h 20m
Best time to book a flight from Heathrow to Vientiane
Have a flexible travel schedule? Discover the best time to fly to Vientiane from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Vientiane
How much does it cost for a return flight from London Heathrow Airport 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 11 July 2025.
Check out reviews from past customers who have flown with Hainan Airlines, China Southern, andVietnam Airlines from London Heathrow Airport 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.
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Anonymous,Mar 2025
CAN - PEK
Boarding
Crew
Entertainment
Comfort
Food
Overall
Reviews
Anonymous,Mar 2025
CAN - PEK
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Vientiane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to Vientiane
See prices for flight routes from nearby airports that may be better suited for you.
Top 3 airlines flying from Heathrow to Vientiane
Discover the top 3 airlines that operate flights from Heathrow 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 11 July 2025.
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How does Cheapflights help users find flights from Heathrow to Vientiane?
When you search for this flight from Heathrow to Vientiane, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Vientiane?
Cheapflights simply makes it quick and affordable to book flights from Heathrow to Vientiane by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Heathrow to Vientiane with no change fees?
Yes! Cheapflights helps users easily find flights from Heathrow to Vientiane with no change fees.
Can Cheapflights notify me if prices for flights from Heathrow to Vientiane become cheaper?
Yes! Start tracking prices for Heathrow 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.