C$354 Cheap Flights from Sihanoukville (KOS) to Vientiane (VTE)

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Flight deals from Sihanoukville to Vientiane

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

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 September.

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.

Sihanoukville to Vientiane: Flight information

The things to know before you go.
Cheapest flight foundC$354
Cheapest month to flySeptember

Finding cheap flights from Sihanoukville to Vientiane: Frequently asked questions

The best price we found for a return flight from Sihanoukville to Vientiane is C$743. 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.
Currently, there are no airlines that fly direct from Sihanoukville to Vientiane. But we found flights with one or more stops from C$743.
As of July 2026, there are no flights flying from Sihanoukville to Vientiane.
The cheapest month to fly from Sihanoukville to Vientiane is usually November.
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, November 2, 2026.
No airlines currently offer direct flights between Sihanoukville Airport and Vientiane Airport. Most routes have one or more stops.
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.

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.

Currently, AirAsia offers the cheapest flight tickets to Vientiane.

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

  • During popular months like August, it's a good idea to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead of international flights when you travel during a peak period in general.

  • If you'd like to check out a different city during your journey, consider a flight with a stopover. To see your options for flights from Sihanouk International Airport to Wattay International Airport, uncheck 'Direct flights only.' Tan Son Nhat International Airport is a sought-after stop between KOS and VTE.

  • Don't forget, you may need a visa to enter Laos. Visa regulations can differ and travel documentation requirements are constantly changing. Before booking your cheap ticket from KOS to VTE, be sure to check with your airline and your destination country's local embassy or consulate for current information.

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

  • The lowest price we've seen for a one-way ticket from Sihanouk International Airport to Wattay International Airport is C$354. For a return flight on this route, the best price is C$743. Depending on the availability and when you book, these fares may change.

  • Don't wait until the last minute. You're more likely to find cheap flight tickets from KOS to VTE if you book in advance. Airlines often offer some great early bird deals.

  • The 'Whole month' search function shows you the cheapest flight tickets from Sihanouk International Airport to Wattay International Airport across the entire month. It's a good way to find a bargain if your travel dates aren't set in stone.

  • Sign into your online account or use the app to set up a Price Alert. You'll be notified straight away if there's a better deal on this route. It doesn't take long, and it'll save you time checking for cheap flight tickets from KOS to VTE every day.

  • Use filters to tailor your flights from Sihanouk International Airport to Wattay International Airport. Simply enter your ideal departure and arrival times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to see the best deals.

Handy information about Sihanouk International Airport (KOS)

  • Central Sihanoukville to Sihanouk International Airport is around 24 kilometres. Depending on traffic, it'll take about 45 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Searching for a place to stay before your flight from Sihanouk International Airport to Wattay International Airport? Check out Sihanouk City View Condominium. Enjoy a good night's rest here before making your way to KOS.

Arriving at Wattay International Airport (VTE)

  • If you're on a late flight from Sihanouk International Airport to Wattay International Airport, few things top the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and snoozing not long after at one of these hotels near VTE:

Getting from Wattay International Airport (VTE) to central Vientiane

  • Wattay International Airport to central Vientiane takes around 21 minutes by car. It's approximately 8 kilometres away. See what options are available, such as car rentals, cabs or ride-sharing services.

When to fly to Wattay International Airport (VTE)

  • August is the most popular month for flights from Sihanouk International Airport to Wattay International Airport. To escape the crowds, go to Vientiane in February.

  • Lock in your flight from Sihanouk International Airport to Wattay International Airport for April if you want to explore Vientiane during its warmest month. Expect temperatures of between 23ºC and 42ºC.

  • Look for cheap flight tickets from KOS to VTE in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 14ºC and 31ºC on average.

More about Vientiane

  • After booking your flights from KOS to VTE, you'll need to find a place to stay in Vientiane. Make one of these accommodation options your base for exploring this top destination:

  • Pha That Luang and COPE Visitor Centre are just two of the leading attractions to add to your Vientiane itinerary. Keep the sightseeing going at Lao Star TV.

Complete your Vientiane trip with hotels and a car rental

  • Once you've secured your cheap ticket to Wattay International Airport, browse the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one place to find the best car rental price for your Vientiane vacation.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.