LHR - VTE

£329 Find Cheap Flights from London Heathrow Airport to Vientiane – Compare and Save

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Everything you should know

Cheapest return flight
£504
Typical prices: £771-£978
China Southern
Sat 13/1Sat 27/1
LHR - VTE • 1 stop
Cheapest one-way flight
£329
Typical prices: £394-£627
Multiple Airlines
Wed 26/9
LHR - VTE • 3 stops
Direct flights
Not available
There are currently no direct flights between London Heathrow Airport and Vientiane. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 46% price drop
November
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Guangzhou Baiyun (CAN)
Cheapest • Avg £601 (return)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 16h 44m (one-way)
Insights
Insights
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We hope you enjoy your trip to Vientiane!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to Vientiane (LHR-VTE)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Vientiane

Wed, 13 Jan - Wed, 27 Jan
China Southern Logo
22:00 - 15:05LHR  London Heathrow-VTE Vientiane Wattay
34h 05m1 stop Guangzhou Baiyun
China Southern Logo
16:25 - 18:35VTE  Vientiane Wattay-LHR London Heathrow
33h 10m1 stop Guangzhou Baiyun
£504China Southern
Thu, 1 Oct - Tue, 13 Oct
China Southern Logo
22:10 - 14:45LHR  London Heathrow-VTE Vientiane Wattay
34h 35m1 stop Guangzhou Baiyun
China Southern Logo
11:30 - 19:20VTE  Vientiane Wattay-LHR London Heathrow
37h 50m1 stop Guangzhou Baiyun
£516China Southern
Mon, 26 Oct - Mon, 9 Nov
China Southern Logo
22:00 - 15:05LHR  London Heathrow-VTE Vientiane Wattay
34h 05m1 stop Guangzhou Baiyun
China Southern Logo
16:25 - 18:35VTE  Vientiane Wattay-LHR London Heathrow
33h 10m1 stop Guangzhou Baiyun
£536China Southern
Thu, 4 Mar - Sat, 13 Mar
China Southern Logo
22:00 - 10:30LHR  London Heathrow-VTE Vientiane Wattay
29h 30m1 stop Guangzhou Baiyun
China Southern Logo
16:25 - 18:35VTE  Vientiane Wattay-LHR London Heathrow
33h 10m1 stop Guangzhou Baiyun
£537China Southern
Mon, 9 Nov - Mon, 30 Nov
China Southern Logo
22:00 - 10:30LHR  London Heathrow-VTE Vientiane Wattay
29h 30m1 stop Guangzhou Baiyun
China Southern Logo
16:25 - 18:35VTE  Vientiane Wattay-LHR London Heathrow
33h 10m1 stop Guangzhou Baiyun
£539China Southern
Mon, 9 Nov - Mon, 30 Nov
China Southern Logo
22:00 - 15:05LHR  London Heathrow-VTE Vientiane Wattay
34h 05m1 stop Guangzhou Baiyun
China Southern Logo
11:30 - 18:35VTE  Vientiane Wattay-LHR London Heathrow
38h 05m1 stop Guangzhou Baiyun
£539China Southern
Mon, 9 Nov - Mon, 30 Nov
China Southern Logo
22:00 - 10:30LHR  London Heathrow-VTE Vientiane Wattay
29h 30m1 stop Guangzhou Baiyun
China Southern Logo
16:25 - 18:35VTE  Vientiane Wattay-LHR London Heathrow
33h 10m1 stop Guangzhou Baiyun
£539China Southern
Thu, 4 Mar - Thu, 11 Mar
China Southern Logo
22:00 - 10:30LHR  London Heathrow-VTE Vientiane Wattay
29h 30m1 stop Guangzhou Baiyun
China Southern Logo
11:30 - 18:35VTE  Vientiane Wattay-LHR London Heathrow
38h 05m1 stop Guangzhou Baiyun
£550China Southern
Mon, 26 Oct - Mon, 9 Nov
China Eastern Logo
21:00 - 00:05LHR  London Heathrow-VTE Vientiane Wattay
20h 05m1 stop Shanghai Pu Dong
China Eastern Logo
14:00 - 17:30VTE  Vientiane Wattay-LHR London Heathrow
34h 30m2 stops Kunming Changshui Shanghai Pu Dong
£616China Eastern
Mon, 9 Nov - Mon, 30 Nov
China Eastern Logo
21:00 - 00:05LHR  London Heathrow-VTE Vientiane Wattay
20h 05m1 stop Shanghai Pu Dong
China Eastern Logo
15:50 - 17:30VTE  Vientiane Wattay-LHR London Heathrow
32h 40m2 stops Kunming Changshui Shanghai Pu Dong
£617China Eastern
Booking Insights

Price, demand, and travel trends for London Heathrow Airport to Vientiane flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from London Heathrow Airport to Vientiane with more confidence.

How much is a return flight from London Heathrow Airport to Vientiane?

Return flights from London Heathrow Airport to Vientiane start at £504. Prices are below average for this route right now, with typical return fares ranging from £771 to £978. The lowest price found in the past 5 days was £504 on China Southern.

What's the cheapest day of the week to fly from London Heathrow Airport to Vientiane?

Wednesday is the cheapest day of the week to fly from London Heathrow Airport to Vientiane and is 11% cheaper than the average day. Monday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from London Heathrow Airport to Vientiane?

  • September is the cheapest month to fly from London Heathrow Airport to Vientiane at £484 return.
  • December (£1,176) and July (£1,070) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 143% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for London Heathrow Airport to Vientiane flights

Low season

May

Cheapest flight

£329
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (1% more expensive on average)
Flights from London Heathrow Airport to Vientiane

When to book flights from Heathrow to Vientiane

Are your dates flexible? Find out the best times to travel from Heathrow to Vientiane based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London Heathrow Airport to Vientiane flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from London Heathrow Airport to Vientiane?

    Flights from London Heathrow Airport to Vientiane usually depart from London Heathrow (LHR) and arrive at Vientiane Wattay (VTE).

  • Which cabin classes can I book on flights from London Heathrow Airport to Vientiane?

    Two cabin classes are available on flights from London Heathrow Airport to Vientiane:

    • Economy class
    • Premium Economy Class

  • Which airports do connecting flights from London Heathrow Airport to Vientiane pass through?

    One-stop flights from London Heathrow Airport to Vientiane most commonly connect through:

    • Bangkok Suvarnabhumi (BKK) – 76% of one-stop connections
    • Guangzhou Baiyun (CAN) – 10% of one-stop connections
    • Shanghai Pu Dong (PVG) – 7% of one-stop connections
    • Hanoi Noibai (HAN) – 5% of one-stop connections

    Bangkok Suvarnabhumi (BKK) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from London Heathrow Airport to Vientiane?

    Yes. Being flexible with your travel dates can save you up to 19% on the London Heathrow Airport to Vientiane route. Wednesday is the cheapest departure day at £798 return on average, while Monday is the most expensive at £985, a difference of £187. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

    A direct flight from London Heathrow Airport to Vientiane takes 0h 00m, covering 5,786 miles.

  • Do I need a passport to fly from London Heathrow Airport to Vientiane?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from London Heathrow Airport to Vientiane changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £504 to £3,245. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from London Heathrow Airport to Vientiane looking right now?

    One-way fares from London Heathrow Airport to Vientiane are currently lower than usual. Average one-way flight prices are about £395, which is 19% below the typical average for this route.

  • How much time can I save by choosing a different stopover airport from London Heathrow Airport to Vientiane?

    Flying via Bangkok Suvarnabhumi (BKK) gives the shortest average 1-stop total travel time of 16h 44m, compared to 17h 37m via Hanoi Noibai (HAN) and 21h 04m via Shanghai Pu Dong (PVG).

  • What is the time difference between London Heathrow Airport and Vientiane?

    Vientiane is 6 hours ahead of London Heathrow Airport (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • How much should I expect to pay for a London Heathrow Airport to Vientiane flight?

    Return flights from London Heathrow Airport to Vientiane range from £771 to £978, with an average of £892 over the past 12 months. Anything below £771 counts as a good deal.

Your guide to booking London Heathrow Airport to Vientiane flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average £798 – about £187 less than Monday (19% savings) based on the last 12 months.
  • If you can choose when to travel, plan your London Heathrow Airport to Vientiane trip for September. Fares historically average £484 return in that month – typically £692 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Vientiane Wattay Airport.
    - S Park Design Hotel

More options for your flight from Heathrow to Vientiane

Complete your trip to Vientiane with a hotel stay or car hire

Car hire in Vientiane
Hotels in Vientiane