Cheap flights from London Heathrow Airport to Vientiane from £327

LHR — VTE
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Vientiane

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Vientiane

Sat 28/1122:00 -
1 stop34h 05m
Sun 13/1216:25 -
1 stop33h 10m
Deal found 9/11£527
Mon 23/1122:00 -
1 stop29h 30m
Tue 1/1216:25 -
1 stop33h 10m
Deal found 9/11£527
Fri 4/1222:00 -
1 stop29h 30m
Fri 11/1216:25 -
1 stop33h 10m
Deal found 6/11£535
Thu 3/1222:00 -
1 stop34h 05m
Sun 13/1211:30 -
1 stop38h 05m
Deal found 9/11£544
Thu 26/1122:00 -
1 stop34h 05m
Wed 9/1216:25 -
1 stop33h 10m
Deal found 8/11£559
Mon 23/1121:00 -
2 stops29h 05m
Tue 1/1218:15 -
2 stops30h 15m
Deal found 9/11£615
Sat 28/1121:00 -
2 stops29h 05m
Sun 13/1213:40 -
3 stops34h 50m
Deal found 9/11£616
Fri 4/1222:00 -
1 stop34h 05m
Fri 11/1218:45 -
2 stops31h 25m
Deal found 6/11£641
Fri 27/1122:00 -
1 stop29h 30m
Fri 11/1216:25 -
1 stop33h 10m
Deal found 9/11£642
Sat 21/1122:00 -
1 stop34h 05m
Sun 29/1111:30 -
1 stop38h 05m
Deal found 9/11£649

Find flight deals from Heathrow to Vientiane

Round-trip from

£527

One-way from

£327

Popular in

March

Cheapest in

April

Average price

£955
China Southern
  • China Southern
  • 28/11-13/12
  • 2 total stops
  • 67h 15m total
  • London to Vientiane
14/1-31/12
  • 14/1-31/12
  • 2 total stops
  • 40h 05m total
  • London to Vientiane
Highest demand for flights based on searches. 6% potential increase in price (£54 potential increase over avg. return price).
Cheapest flight prices on average. 8% potential price decrease (£61 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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

Cheapest return flight

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 8/4

12:15-16:45

2 stops46h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£335

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Tue 26/1

22:00-07:30

2 stops50h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£398

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 14/1

22:00-10:30

1 stop29h 30m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£407

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sat 23/1

22:00-15:05

1 stop34h 05m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£407

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sat 23/1

12:30-09:05

3 stops37h 35m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£442

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Mon 14/12

18:35-10:30

3 stops56h 55m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£456

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Sun 29/11

11:00-19:05

3 stops49h 05m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£528

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Wed 2/12

11:00-19:05

3 stops49h 05m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£528
Fastest return journey

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Thu 10/12

06:50-12:40

3 stops22h 50m

Vientiane Wattay

Wed 31/12

00:00-18:00

Nonstop0h 00m

£534

LondonVientiane

LHR London Heathrow - VTE Vientiane Wattay

LHRVTE

London Heathrow

Wed 24/2

22:00-17:35

1 stop36h 35m

Vientiane Wattay

Sun 21/3

11:30-18:35

1 stop38h 05m

£540

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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.
Estimated return price

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?

Airfare is below average for this route at the moment.

London Heathrow Airport to Vientiane flights typically cost between £942 and £985 in November.
The cheapest return price found within the last 5 days was £527 on China Southern (28 Nov–13 Dec).

Reviews of airlines servicing Vientiane

Check out reviews from past customers who have flown with Thai Airways and China Eastern 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.

Overall

7.9

Crew

8.5

Comfort

7.7

Food

7.5

Boarding

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Overall

7.9

Crew

8.5

Comfort

7.7

Food

7.5

Boarding

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Overall

7.9

Crew

8.5

Comfort

7.7

Food

7.5

Boarding

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sept 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Related info for your journey

  • What airport do you fly into for flights to Vientiane from London Heathrow?

    Vientiane Wattay (VTE), located 2.8 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Vientiane. 2 airlines have flights to Wattay from London Heathrow on a regular basis. Booking flights from London Heathrow to Vientiane Wattay should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

  • How long is the flight from London Heathrow Airport to Vientiane?

    There are many flights that can get you from London Heathrow Airport to Vientiane in 28h 35m. Fly via China Southern or China Eastern to get the fastest option. The distance between London Heathrow Airport and Vientiane is about 5786 mi. This flight may include one or multiple stops.

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

    Currently priced at £473, China Eastern will fly you from London Heathrow Airport to Vientiane and back. In addition to China Eastern, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Thai Airways for as low as £894. You may be able to fly from London Heathrow Airport to Vientiane for 52% less than the average price by searching for these airlines.

  • Can I find deals for flights from Heathrow to Vientiane that include hotel bookings?

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

  • How can I find direct flights from Heathrow to Vientiane?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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

Alternative routes for Heathrow to Vientiane

Top 2 airlines flying from Heathrow to Vientiane

AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest£473Average£558FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Thai AirwaysCheapest£894Average£965FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.