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Cheap Flights from London Heathrow to Vientiane

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Compare London Heathrow to Vientiane flight deals

Find the cheapest month or even day of the year to fly to Vientiane

Book the best Vientiane fare with no extra fees

Flight deals from London Heathrow to Vientiane

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Vientiane? Find the lowest prices on one-way and return tickets right here.
Vientiane.R 7,573 per passenger.Departing Wed, 1 Oct.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Wed, 1 Oct, arriving in Vientiane.Price includes taxes and charges.From R 7,573, select.
Vientiane.R 7,573 per passenger.Departing Mon, 22 Sep.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Mon, 22 Sep, arriving in Vientiane.Price includes taxes and charges.From R 7,573, select.
Vientiane.R 7,653 per passenger.Departing Sun, 8 Feb.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sun, 8 Feb, arriving in Vientiane.Price includes taxes and charges.From R 7,653, select.
Vientiane.R 7,818 per passenger.Departing Sat, 14 Mar.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Sat, 14 Mar, arriving in Vientiane.Price includes taxes and charges.From R 7,818, select.
Vientiane.R 7,939 per passenger.Departing Wed, 18 Jun.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from London Heathrow on Wed, 18 Jun, arriving in Vientiane.Price includes taxes and charges.From R 7,939, select.
Vientiane.R 9,309 per passenger.Departing Wed, 12 Nov.One-way flight with China Southern.Outbound indirect flight with China Southern, departs from London Heathrow on Wed, 12 Nov, arriving in Vientiane.Price includes taxes and charges.From R 9,309, select.
Vientiane.R 9,313 per passenger.Departing Wed, 2 Jul.One-way flight with Hainan Airlines.Outbound indirect flight with Hainan Airlines, departs from London Heathrow on Wed, 2 Jul, arriving in Vientiane.Price includes taxes and charges.From R 9,313, select.
Vientiane.R 9,809 per passenger.Departing Mon, 5 Jan.One-way flight with Oman Air.Outbound indirect flight with Oman Air, departs from London Heathrow on Mon, 5 Jan, arriving in Vientiane.Price includes taxes and charges.From R 9,809, select.

Find the cheapest month to fly from London Heathrow to Vientiane

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Vientiane flights are currently cheapest in September.
Jun
from R 7,940
Jul
from R 9,314
Aug
from R 10,251
Sep
from R 7,574
Oct
from R 7,574
Nov
from R 9,310
Dec
from R 9,916
Jan
from R 9,810
Feb
from R 7,654
Mar
from R 7,819
Apr
from R 9,844
May
Find prices

London Heathrow to Vientiane: Alternative routes

Compare routes from London Heathrow to Vientiane below. You may find an airport to fly into that's cheaper, faster, or easier than Vientiane.

London to Vientiane: Flight information

The things to know before you go.
Cheapest flight foundR 7,574
Cheapest month to flySeptember

Finding cheap flights from London Heathrow to Vientiane: Frequently asked questions

The best price we found for a return flight from London Heathrow to Vientiane is R 9,346. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Heathrow to Vientiane. But we found flights with one or more stops from R 9,347.
As of June 2025, there are no flights flying from London Heathrow to Vientiane.
The cheapest month to fly from London Heathrow to Vientiane is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Vientiane Airport on Wednesday, 15 October 2025.
No airlines currently offer direct flights between London Heathrow Airport and Vientiane Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Vientiane but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Vientiane is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Hainan Airlines offers the cheapest flight tickets to Vientiane.

Flying from London Heathrow Airport (LHR) to Wattay International Airport (VTE): what you need to know

  • The timezone in Vientiane is UTC+7, which is seven hours ahead of London.

  • Your LHR to VTE flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like July, it's a good idea to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead for international flights when you fly during peak periods in general.

  • Think about adding a stopover when booking your ticket from London Heathrow Airport to Wattay International Airport. Just uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Here are some options between LHR and VTE:

    • Suvarnabhumi Airport

    • Hong Kong International Airport

    • Shanghai Pudong International Airport

How to find the cheapest flights from London Heathrow Airport (LHR) to Wattay International Airport (VTE)

  • At the moment, R 7,574 is the lowest price we've seen for a one-way London Heathrow Airport to Wattay International Airport flight. The best price for a return plane ticket is R 9,346. Bear in mind that fares can change due to demand when booking.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from LHR to VTE if you book in advance. Airlines often offer some fantastic early bird rates.

  • If you can be flexible with your travel plans, try using the 'Whole month' search function. It'll give you the cheapest price in each month when searching for your flight from London Heathrow Airport to Wattay International Airport.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll update you as soon as there's a better deal on cheap flights from LHR to VTE.

  • Tailor your trip with filters. Select your preferred departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from London Heathrow Airport to Wattay International Airport.

Handy information about London Heathrow Airport (LHR)

  • When it comes to the on-time performance of London Heathrow Airport, data shows 68.18% of flights stick to their scheduled arrival time.

  • London Heathrow Airport is around 31 kilometres from central London. If you're driving, ride-sharing or catching a cab from the centre, it'll take 55 minutes or so to arrive, depending on the traffic.

  • Taking public transport? You can expect a journey time of around 1 hour.

  • Get your trip off to a hassle-free start by staying near LHR. Whether you're catching an early flight from London Heathrow Airport to Wattay International Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Wattay International Airport (VTE)

  • Consider staying in a hotel near VTE if you're taking a late London Heathrow Airport to Wattay International Airport flight. Settle into one of these options and skip the long transfer:

  • Explore without limits with a Wattay International Airport rental car. Pick up your wheels from Sixt, Avis or Budget and see more of Vientiane and beyond.

  • Lock in the lowest price by reserving your ride from Wattay International Airport around three weeks before your trip.

Getting from Wattay International Airport (VTE) to central Vientiane

  • Wattay International Airport to central Vientiane has a drive time of around 20 minutes. It's approximately 8 kilometres away.

When to fly to Wattay International Airport (VTE)

  • It's time to work out your travel dates for your flight from London Heathrow Airport to Wattay International Airport. August is the most popular month to visit Vientiane. If you want a more relaxed vibe, go in February.

  • The warmest month in Vientiane is April, with the temperature ranging between 23ºC (73ºF) and 42ºC (108ºF). Lock in your flights from London Heathrow Airport to Wattay International Airport in this month if this is the type of weather you enjoy.

  • January sees average temperatures of between 14ºC (57ºF) and 31ºC (88ºF). Look for cheap tickets from LHR to VTE around that time if you'd rather travel in cooler conditions.

Explore more of Laos

  • Vientiane has plenty going for it, but there are so many other parts of Laos waiting to be discovered. Around 467 kilometres south-east of Vientiane, a visit to Pakse will keep you on the move. Start with leading attractions like Wat Luang, Champasak Historical Heritage Museum and Golden Buddha.

  • Thakhek is another favourite destination in Laos and is around 241 kilometres east of Vientiane. No journey is complete without seeing MAG UXO Visitor Centre, Wat Nabo and Mekong Riverside View Point.

Plan the rest of your trip from London to Vientiane

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.