Cheap Flights from Dublin (DUB) to Sihanoukville (KOS)

How to find cheap flights to Sihanoukville (KOS) from Dublin (DUB) in 2026

Looking for cheap tickets from Dublin to Sihanoukville? Return tickets start from £655 and one-way flights to Sihanoukville from Dublin start from £401

Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

• Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Dublin to Sihanoukville. And with us there are no hidden fees - what you see is what you pay.
• Compare flight deals to Sihanoukville from Dublin from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Sihanoukville start from £401 one-way.
• Flex your dates to find the best DUB-KOS ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Sihanoukville from Dublin.
• Set up a Price Alert. You can easily track the fare of your cheap Dublin-Sihanoukville flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
• Flexible on when you travel? The cheapest month to fly from Dublin to Sihanoukville is April.
• Fly without stops. Only interested in direct flights between Dublin and Sihanoukville? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
• Find the cheapest Business class flights from Dublin and Sihanoukville. We scour the internet for the best Business, Premium Economy and First Class flight fares to Sihanoukville, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
• Include nearby airports in your search. Widen your search for Dublin to Sihanoukville flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
• Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Dublin and Sihanoukville whenever you want.

Combine your flight to Sihanoukville from Dublin with hotels and car hire

Once you've secured your cheap flight ticket from Dublin to Sihanoukville, discover the best prices and exclusive rates for hotels in Sihanoukville or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.