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

Return selected

origin

Enter the city you're flying from, or choose from the options below

Include nearby airports

selected

destination

. Enter your destination, or choose from the options below

Include nearby airports

selected

Travellers and cabin class, 1 Adult, Economy

Compare Dublin to Sihanoukville flight deals

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

Book the best Sihanoukville fare with no extra fees

4.4 out of 5 based on 22,887 reviews

Flight deals Cheapest month Find the best route Route info FAQs Tips and advice

Flight deals from Dublin to Sihanoukville

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Sihanoukville Airport? If you want to travel next month, return fares start from £684. Find the lowest prices on one-way and return tickets right here.

Sihanoukville.£422 per passenger.Departing Thu, 17 Dec.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Thu, 17 Dec, arriving in Sihanoukville.Price includes taxes and charges.From £422, select.

Sihanoukville.£433 per passenger.Departing Sat, 1 May.One-way flight with Finnair.Outbound indirect flight with Finnair, departs from Dublin on Sat, 1 May, arriving in Sihanoukville.Price includes taxes and charges.From £433, select.

Sihanoukville.£506 per passenger.Departing Thu, 1 Jul.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Thu, 1 Jul, arriving in Sihanoukville.Price includes taxes and charges.From £506, select.

What’s the cheapest month to fly from Dublin Airport to Sihanoukville Airport?

Right now, flights from Dublin Airport to Sihanoukville Airport are cheapest in December, with prices from £422. That's £84 less than you’d pay in July.

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Cheapest month:December

Most expensive month:July

Dublin to Sihanoukville: Alternative routes

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

Sihanoukville

3 miles from central Sihanoukville

ClosestCheapest

from £423

Search flights

Dublin to Sihanoukville: Flight information

The things to know before you go.

Cheapest flight found	£422
Cheapest month to fly	December

Finding cheap flights from Dublin to Sihanoukville: Frequently asked questions

How much are return flights from Dublin to Sihanoukville?

The best price we found for a return flight from Dublin to Sihanoukville is £684. 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 Dublin to Sihanoukville?

Currently, there are no airlines that fly direct from Dublin to Sihanoukville. But we found flights with one or more stops from £684.

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

As of October 2026, there are no flights flying from Dublin to Sihanoukville.

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

The cheapest month to fly from Dublin to Sihanoukville is usually November.

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Sihanoukville Airport on Wednesday, 18 November 2026.

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

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

How can I find the best flight deal to Sihanoukville?

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 Sihanoukville 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 Sihanoukville?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sihanoukville is around 40 days in advance, so don’t leave your flight to the last minute.

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

Currently, China Eastern offers the cheapest flight tickets to Sihanoukville.

How to find cheap flights to Sihanoukville (KOS) from Dublin (DUB) in 2027

Looking for cheap tickets from Dublin to Sihanoukville? Return tickets start from £684 and one-way flights to Sihanoukville from Dublin start from £422

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 £422 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 November.
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.