Cheap Flights from Sihanoukville to Vientiane

Compare Sihanoukville to Vientiane flight deals

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

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Flight deals from Sihanoukville to Vientiane

Looking for a cheap last-minute deal or the best round-trip flight from Sihanoukville to Vientiane? Find the lowest prices on one-way and round-trip tickets right here.

Vientiane.$515 per passenger.Departing Mon, Jul 20, returning Fri, Jul 24.Round-trip flight with AirAsia and Vietnam Airlines.Outbound indirect flight with AirAsia, departing from Sihanoukville on Mon, Jul 20, arriving in Vientiane.Inbound indirect flight with Vietnam Airlines, departing from Vientiane on Fri, Jul 24, arriving in Sihanoukville.Price includes taxes and charges.From $515, select.

Vientiane.$571 per passenger.Departing Wed, Jun 3, returning Sun, Jun 7.Round-trip flight with AirAsia and VietJet Air.Outbound indirect flight with AirAsia, departing from Sihanoukville on Wed, Jun 3, arriving in Vientiane.Inbound indirect flight with VietJet Air, departing from Vientiane on Sun, Jun 7, arriving in Sihanoukville.Price includes taxes and charges.From $571, select.

Find the cheapest month to fly from Sihanoukville to Vientiane

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sihanoukville to Vientiane flights are currently cheapest in July.

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Sihanoukville to Vientiane: Alternative routes

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

Vientiane

7km from central Vientiane

ClosestCheapest

from $515

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Sihanoukville to Vientiane: Flight information

The things to know before you go.

Cheapest flight found	$515
Cheapest month to fly	July

Finding cheap flights from Sihanoukville to Vientiane: Frequently asked questions

How much are round-trip flights from Sihanoukville to Vientiane?

The best price we found for a round-trip flight from Sihanoukville to Vientiane is $515. 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.

Which airlines fly direct from Sihanoukville to Vientiane?

Currently, there are no airlines that fly direct from Sihanoukville to Vientiane. But we found flights with one or more stops from $515.

How many flights are there a week from Sihanoukville to Vientiane?

There are no flights flying from Sihanoukville to Vientiane, as of April 2026.

When is the cheapest time to fly from Sihanoukville to Vientiane?

The cheapest month to fly from Sihanoukville to Vientiane is usually July.

Which upcoming date is cheapest to fly from Sihanoukville Airport to Vientiane Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Vientiane Airport on Monday, July 20, 2026.

Can I get a direct flight from Sihanoukville Airport to Vientiane Airport?

No airlines currently offer direct flights between Sihanoukville Airport and Vientiane Airport. Most routes have one or more stops.

How can I find the best flight deal to Vientiane?

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.

When is the best time to book flights to Vientiane?

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.

Which is the cheapest airline to fly with from Sihanoukville Airport to Vientiane?

Currently, AirAsia offers the cheapest flight tickets to Vientiane.

Flying from Sihanouk International Airport (KOS) to Wattay International Airport (VTE): what you need to know

Sihanoukville and Vientiane share the same timezone, UTC+7.
Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Make sure you're at the airport on time to catch your KOS to VTE flight.
Flying during a peak month such as January? School holidays and other popular periods can mean longer queues and delays at airport checkpoints. Play things extra safe and get there up to four hours before an international flight and two hours before a domestic departure.
Opt for a stopover if you want to break up your flight. Just deselect 'Direct flights only' to look at your options for tickets from Sihanouk International Airport to Wattay International Airport. Tan Son Nhat International Airport is a popular stopover on the KOS to VTE route.

How to find the cheapest flights from Sihanouk International Airport (KOS) to Wattay International Airport (VTE)

The cheapest price we've seen for a one-way Sihanouk International Airport to Wattay International Airport flight is $239. A return plane ticket is currently $515. Depending on the availability when you book, these fares could change.
To find cheap tickets from KOS to VTE, book early. Airlines usually offer the most competitive fares when flights are first released.
The 'Whole month' search tool shows you the cheapest flights from Sihanouk International Airport to Wattay International Airport throughout the month. It's an easy way to snap up a bargain if your travel dates aren't set in stone.
Snapping up cheap flights from KOS to VTE is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll notify you as soon as there's a better deal.
Tailor your trip with filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Sihanouk International Airport to Wattay International Airport.

Handy information about Sihanouk International Airport (KOS)

When it comes to the on-time performance of Sihanouk International Airport, 78.65% of flights meet their scheduled arrival time.
Central Sihanoukville to Sihanouk International Airport is approximately 24 kilometers. Depending on traffic, it'll take you about 45 minutes to get there if you're ride-sharing, catching a cab or driving.
Get your flight from Sihanouk International Airport to Wattay International Airport off to a stress-free start. Just a quick ride from KOS, spend the night in Sok Sabay Resort and be well-rested for the journey ahead.

Arriving at Wattay International Airport (VTE)

Consider staying in a hotel close to VTE if you're taking a late Sihanouk International Airport to Wattay International Airport flight. Select one of these accommodation options and make your arrival easier:
Grab a Wattay International Airport rental car and discover Vientiane and beyond with your own set of wheels. Sixt, Avis and Budget are top providers you can book with here.
Secure the lowest price by booking your vehicle from Wattay International Airport about three weeks ahead of your departure.

Getting from Wattay International Airport (VTE) to central Vientiane

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

When to fly to Wattay International Airport (VTE)

It's time to pick your trip dates for your flight from Sihanouk International Airport to Wattay International Airport. August is the busiest month to visit Vientiane. If you prefer a more relaxed vibe, go in February.
Book your flight from Sihanouk International Airport to Wattay International Airport for April if you'd like to visit Vientiane during its warmest month. Expect temperatures of between 23ºC (73ºF) and 42ºC (108ºF).
For cooler conditions, look for a cheap ticket from KOS to VTE in January. Temperatures average between 14ºC (57ºF) and 31ºC (88ºF) then.

Explore more of Laos

Pakse is just one of the many cities in Laos waiting to be discovered after you've seen Vientiane. Around 467 kilometers away to the south-east, its top attractions include Wat Luang, Champasak Historical Heritage Museum and Golden Buddha.
If you want to check out another corner of Laos, head for Thakhek, about 241 kilometers east of Vientiane. MAG UXO Visitor Centre, Wat Nabo and Mekong Riverside View Point are among the biggest draws.