Question 1

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

Accepted Answer

According to our current data, China Southern (£459), China Eastern (£611), and Vietnam Airlines (£728) offers the cheapest pricing from London to Vientiane. China Southern is priced at 34% lower than the current average price of a flight leaving 3 months from now.

Question 2

How far ahead should I book a flight from London to Vientiane?

Accepted Answer

The best time to book flights from London to Vientiane is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 3

What is the cheapest day to fly from London to Vientiane?

Accepted Answer

Travellers seeking maximum savings on their London to Vientiane flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Vientiane ranges from 10.0 - 120.0 inches per month. July is typically the wettest month, when rainfall can reach 120.0 mm. January is typically the driest time to visit Vientiane when rainfall is around 10.0 mm.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Vientiane, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 22.0 C).

Question 6

What are the most popular routes from London to Vientiane?

Accepted Answer

When deciding which route to take from London to Vientiane consider London Heathrow - Vientiane Wattay, London Gatwick - Vientiane Wattay or London Stansted - Vientiane Wattay as they are the most popular.

Question 7

What are the most popular airlines that fly from London to Vientiane?

Accepted Answer

Before booking your flight from London to Vientiane check out the most popular airlines for this route: China Southern, China Eastern or Thai Airways.

Question 8

What is the cheapest day to fly round-trip from London to Vientiane?

Accepted Answer

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Vientiane. Check prices with Cheapflights to find a great deal for your trip.

Question 9

How far in advance should I book a flight from London to Vientiane?

Accepted Answer

Travelers have found it’s best to book a flight 18 days in advance to save up to 16% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 18 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Vientiane 1-2 weeks in advance for as low as £562, or £789 for flights within the next 24 hours.

Question 10

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

Accepted Answer

The best pricing can be found in the month of May. Prices to Vientiane from London average £698. You can even find prices in May for less than £698, as users have found deals to Vientiane from as low as £469. The month of July appears to be one of the more expensive times to travel to Vientiane from London. Flying in the targeted month can save you up to 30%.

Question 11

What is the cheapest time of day to fly from LON to VTE?

Accepted Answer

When flying from London to Vientiane, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 23% versus a flight in the morning.

Question 12

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

Accepted Answer

Located just 2.8 mi from the city center, Vientiane Wattay is the airport most travelers will use when flying to Vientiane from London. Booking flights from London to Wattay (VTE) should be relatively easy as there are 0 daily inbound flights from London from 3 different airlines.

Question 13

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

Accepted Answer

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

Question 14

How can I find direct flights from London to Vientiane?

Accepted Answer

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

Question 15

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

Accepted Answer

Yes. Cheapflights offers flight deals from London 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.

Question 16

How does Cheapflights help users find flights from London to Vientiane?

Accepted Answer

Cheapflights helps you search for flights from London to Vientiane via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 17

Why should you use Cheapflights to find cheap flight tickets from London to Vientiane?

Accepted Answer

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Vientiane for you. Better yet — we are completely free to use.

Question 18

Can Cheapflights find flights from London to Vientiane with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Vientiane flexibly with Cheapflights today.

Question 19

Can Cheapflights notify me if prices for flights from London to Vientiane become cheaper?

Accepted Answer

Yes! Start tracking prices for London 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.

Round-trip from	£459
One-way from	£295
Popular in	July
Cheapest in	May
Average price	£912

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£464	Average£522	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
China Eastern	Cheapest£563	Average£644	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Thai Airways	Cheapest£761	Average£802	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Cheap flights from London to Vientiane from £295

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 26/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to Vientiane Wattay are usually found in May or December, booked 79 days in advance, depart on a Thursday or Tuesday and return on a Monday

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Cheapest flights from London to VientianeExplore the most affordable flight options available from London to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Explore the most affordable flight options available from London to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

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Best time to book a flight from London to Vientiane

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How far ahead should I book a flight from London to Vientiane?

Use this chart to determine the optimal time to book a return flight from London to Vientiane. Price data was last updated on 27 June 2025.

How much does it cost for a return flight from London to Vientiane?

Reviews of airlines servicing Vientiane

Get a feel of what it's like to fly with China Southern, Vietnam Airlines, andChina Eastern from London to Vientiane by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to Vientiane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

What are the most popular routes from London to Vientiane?

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

How can I find direct flights from London to Vientiane?

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

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Alternative routes for London to Vientiane

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Top 3 airlines flying from London to Vientiane

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How does Cheapflights help users find flights from London to Vientiane?

Why should you use Cheapflights to find cheap flight tickets from London to Vientiane?

Can Cheapflights find flights from London to Vientiane with no change fees?

Can Cheapflights notify me if prices for flights from London to Vientiane become cheaper?

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Cheapest flights from London to Vientiane
Explore the most affordable flight options available from London to Vientiane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.