Cheap flights from Phnom Penh to Vientiane
Cheap return flights from Phnom Penh 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?
- Lao Airlines
- Cambodia Angkor Air
- Vietnam Airlines
These airlines usually offer the cheapest flights from Phnom Penh to Vientiane.
What airlines fly indirectly?
- Thai Airways
- Bangkok Airways
- AirAsia
These airlines fly from Phnom Penh to Vientiane, but you’ll have at least one layover.
How long is the flight?
1 hour 15 minutes
This is the shortest flight time from Phnom Penh to Vientiane.
Alternative flights from the UK to Vientiane
Check out prices for other routes
Alternative flights from Phnom Penh
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 Phnom Penh/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 Phnom Penh to Vientiane
Tips and advice from our flight experts
You've searched for flights from Phnom Penh to Vientiane. We've found 15 flights and compared them to give you the best offer. Lao Airlines is usually the cheapest for this route, so look out for them. The cheapest offer we've found is a one-way ticket for £78 from Phnom Penh to Vientiane on 27/05/2026 at 07:35.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 5 airlines that operate the 340 km flight from Phnom Penh to Vientiane.
To find the best offers, book at least 2-3 months in advance or look for last-minute deals. Consider flying with Lao Airlines, which is popular and offers an average flight duration of 1 hour 15 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!
Other popular destinations near Vientiane
Where other people are flying to
