Cheap flights from London to Vientiane
Cheap return flights from London to Vientiane
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Vientiane flight facts
What you need to know
What are the cheapest airlines?
- AirAsia
- Vietnam Airlines
- Thai Airways
These airlines usually offer the cheapest flights from London to Vientiane.
What airlines fly indirectly?
- Emirates
- Qatar Airways
- Singapore Airlines
These airlines fly from London to Vientiane, but you’ll have at least one layover.
How long is the flight?
15 hours
This is the shortest flight time from London to Vientiane.
Alternative flights from the UK to Vientiane
Check out prices for other routes
Alternative flights from London
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/Vientiane route. There are around 35 flights on any given week from the UK to Vientiane and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London to Vientiane
Tips and advice from our flight experts
You've searched for flights from London to Vientiane. We've found 25 flights and compared offers to get you the best deal. On average, AirAsia is the cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route London to Vientiane on 28/05/2026 at 09:20 for £56.
We've scanned hundreds of airfares from various airlines across the globe. In total, we've found 10 airlines that operate the 9,500 km flight from London to Vientiane.
To find the best offers, consider booking in advance or looking for last-minute deals. The best time to buy is usually 2-3 months before your trip. AirAsia is a popular and affordable choice for this route, with an average flight duration of 15 hours. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
Other popular destinations near Vientiane
Where other people are flying to
