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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 return flight from Sihanoukville to Vientiane? Find the lowest prices on one-way and return tickets right here.
Vientiane.Rs55,197 per passenger.Departing Wed, 17 Dec.One-way flight with Air Cambodia.Outbound indirect flight with Air Cambodia, departs from Sihanoukville on Wed, 17 Dec, arriving in Vientiane.Price includes taxes and charges.From Rs55,197, select.
Vientiane.Rs56,850 per passenger.Departing Mon, 19 Jan.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Mon, 19 Jan, arriving in Vientiane.Price includes taxes and charges.From Rs56,850, select.
Vientiane.Rs65,933 per passenger.Departing Mon, 6 Oct.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Mon, 6 Oct, arriving in Vientiane.Price includes taxes and charges.From Rs65,933, select.
Vientiane.Rs71,062 per passenger.Departing Sat, 1 Nov.One-way flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Sihanoukville on Sat, 1 Nov, arriving in Vientiane.Price includes taxes and charges.From Rs71,062, 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 December.
Sep
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Oct
from Rs65,933
Nov
from Rs71,062
Dec
from Rs55,197
Jan
from Rs56,850
Feb
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Mar
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Apr
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May
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Jun
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Jul
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Aug
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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.

Sihanoukville to Vientiane: Flight information

The things to know before you go.
Cheapest flight foundRs55,197
Cheapest month to flyDecember

Finding cheap flights from Sihanoukville to Vientiane: Frequently asked questions

The best price we found for a return flight from Sihanoukville to Vientiane is Rs111,386. 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 Rs111,386.
As of September 2025, there are no flights flying from Sihanoukville to Vientiane.
The cheapest month to fly from Sihanoukville to Vientiane is usually December.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Vientiane Airport on Wednesday, 10 December 2025.
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, Air Cambodia 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 Rs55,197. A return plane ticket is currently Rs111,386. 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 kilometres. 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 kilometres 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 and 42ºC.

  • For cooler conditions, look for a cheap ticket from KOS to VTE in January. Temperatures average between 14ºC and 31ºC 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 kilometres 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 kilometres east of Vientiane. MAG UXO Visitor Centre, Wat Nabo and Mekong Riverside View Point are among the biggest draws.

Plan the rest of your trip from Sihanoukville to Vientiane

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.