Cheap flights from London Heathrow Airport to Vientiane from £378
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Vientiane departing on 30/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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China Southern flights from London Heathrow Airport to Vientiane
Our best China Southern deals on London Heathrow Airport to Vientiane flight tickets
China Eastern flights from London Heathrow Airport to Vientiane
Our best China Eastern deals on London Heathrow Airport to Vientiane flight tickets
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How to get the cheapest flight ticket from London Heathrow Airport to Vientiane
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Vientiane?
In general, November is the cheapest month to fly from London Heathrow Airport to Vientiane. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £718. If you’re not able to fly to Vientiane in November, then June is your next best option. Flight prices from London Heathrow Airport to Vientiane during June average around £749.
What is the cheapest day to depart on your flight to Vientiane?
The cheapest day to depart from London Heathrow Airport to Vientiane is on a Thursday when prices can be found for as low as £736. On the other hand, Saturday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £835.
What is the cheapest time of day to depart on your flight to Vientiane?
The cheapest time of day to fly to Vientiane is in the afternoon when flights can be purchased for as low as £643. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £825 on average. Flights to Vientiane from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.
How far in advance should I book a flight to Vientiane?
You are more likely to see cheaper flights to Vientiane from London Heathrow Airport when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Vientiane for around £830 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Vientiane from London Heathrow Airport for as low as £638 on momondo.
What is the cheapest airline that flies from London Heathrow to Vientiane Wattay?
China Southern and China Eastern are the most popular carriers operating from London Heathrow to Vientiane Wattay
Which airlines fly to Vientiane?
Thai Airways, China Eastern and China Southern are the top three most popular airlines that fly to Vientiane from London Heathrow Airport according to our data. Thai Airways is the first choice among our users, with 62% of people opting to fly with this airline when travelling to Vientiane. Keep in mind that there are 3 different airlines that fly to Vientiane on a routine basis, so you have a few additional options to choose from.
When to book flights from London Heathrow Airport to Vientiane
Cheap London Heathrow Airport to Vientiane (LHR to VTE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Vientiane
How far is London Heathrow to Vientiane Wattay by plane?
There are 5788.2 mi between London Heathrow and Vientiane Wattay. 16h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from London Heathrow Airport to Vientiane Wattay Airport?
Prices for flights from London Heathrow Airport to Vientiane Wattay Airport are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Vientiane Wattay Airport?
As of May 2025, there are 3 operators available to choose from for flights from London Heathrow Airport to Vientiane Wattay Airport.
How old do you have to be to fly from London Heathrow Airport to Vientiane Wattay Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Vientiane Wattay Airport.
What documentation or ID do you need to fly to Vientiane Wattay Airport?
The travel and health documents required for your trip to Vientiane Wattay Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Vientiane Wattay Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London Heathrow Airport to Vientiane?
Based on momondo bookings for flights between London Heathrow Airport and Vientiane, the leading airline is Thai Airways, making up 62% of the total bookings. Other popular airlines include China Eastern with 27% and China Southern with 10%.
Best airlines flying from London Heathrow Airport to Vientiane
Compare and see reviews for airlines that fly from London Heathrow Airport to Vientiane with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £474 | Free Cancellation | Rating 7.5 96 reviews | |||
| PriceFrom £576 | Free Cancellation | Rating 7.1 148 reviews | |||
| PriceFrom £777 | Free Cancellation | Rating 7.7 325 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Vientiane?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Vientiane . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from London to Vientiane with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Vientiane from London with this policy.
How can momondo help me find flights from London to Vientiane?
momondo provides multiple filters to help you find the best flight to Vientiane from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from London to Vientiane right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Vientiane, momondo offers a useful price alert feature which will track prices for flights to Vientiane from London and alert you when they change.