$97 Cheap Flights from Dublin (DUB) to Kos (KGS)

View $97 flight on Sun, Aug 16, 2026Opens in a new window

Popular airlines from Dublin Airport (DUB) to Kos (KGS-Kos Island Intl.)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Dublin to Kos (DUB-KGS)

Prices were available within the past 7 days and start at $97 for one-way flights and $265 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Fri, Aug 28 - Fri, Sep 4
DUB
Dublin
KGS
Kos
$265 Roundtrip, found 2 days ago
$265
Roundtrip
found 2 days ago
Select Ryanair flight, departing Fri, Aug 28 from Dublin to Kos, returning Fri, Sep 4, priced at $265 found 2 days ago
Swiss International Air Lines
Wed, Apr 15 - Mon, Apr 27
DUB
Dublin
KGS
Kos
$276 Roundtrip, found 2 days ago
$276
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, Apr 15 from Dublin to Kos, returning Mon, Apr 27, priced at $276 found 2 days ago
Swiss International Air Lines
Wed, Apr 15 - Wed, Apr 29
DUB
Dublin
KGS
Kos
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, Apr 15 from Dublin to Kos, returning Wed, Apr 29, priced at $286 found 2 days ago
Swiss International Air Lines
Sat, Apr 4 - Sat, Apr 18
DUB
Dublin
KGS
Kos
$293 Roundtrip, found 2 days ago
$293
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Sat, Apr 4 from Dublin to Kos, returning Sat, Apr 18, priced at $293 found 2 days ago
Swiss International Air Lines
Wed, Apr 8 - Sat, Apr 25
DUB
Dublin
KGS
Kos
$303 Roundtrip, found 2 days ago
$303
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, Apr 8 from Dublin to Kos, returning Sat, Apr 25, priced at $303 found 2 days ago
Swiss International Air Lines
Mon, Jun 1 - Fri, Jun 5
DUB
Dublin
KGS
Kos
$307 Roundtrip, found 2 days ago
$307
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Mon, Jun 1 from Dublin to Kos, returning Fri, Jun 5, priced at $307 found 2 days ago
Swiss International Air Lines
Wed, Apr 29 - Mon, May 11
DUB
Dublin
KGS
Kos
$320 Roundtrip, found 2 days ago
$320
Roundtrip
found 2 days ago
Select Swiss International Air Lines flight, departing Wed, Apr 29 from Dublin to Kos, returning Mon, May 11, priced at $320 found 2 days ago
Lufthansa
Wed, Jun 17 - Thu, Jul 2
DUB
Dublin
KGS
Kos
$333 Roundtrip, found 2 days ago
$333
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Jun 17 from Dublin to Kos, returning Thu, Jul 2, priced at $333 found 2 days ago
Austrian Airlines
Mon, May 25 - Wed, Jun 10
DUB
Dublin
KGS
Kos
$362 Roundtrip, found 2 days ago
$362
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Mon, May 25 from Dublin to Kos, returning Wed, Jun 10, priced at $362 found 2 days ago
Aegean
Sat, May 9 - Sun, May 17
DUB
Dublin
KGS
Kos
$400 Roundtrip, found 8 hours ago
$400
Roundtrip
found 8 hours ago
Select Aegean flight, departing Sat, May 9 from Dublin to Kos, returning Sun, May 17, priced at $400 found 8 hours ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Alternative airports near Kos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kos Island Intl. KGS. Cheapest and Closest option available. Average driving time to city center is 25 minutes. Flights from $659
KGS
Kos Island Intl.
CheapestClosest
Average driving time to city center25 min
Flights from $659

Frequently asked questions

How much does a flight from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight from $97 or cheap return flight from $265 from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS)?
Traveling in August is a good way to save, as it's the cheapest month for flights between DUB and KGS. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS)?
To find the cheapest airline that'll fly you from DUB to KGS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS)?
There aren't any daily nonstop flights from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from DUB to KGS?
Typically you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS)?
To avoid potential delays on the Dublin Airport (DUB) to Kos Island Intl. Airport (KGS) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS) last-minute?
Holding off until just before your departure to book your flight from DUB to KGS often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of snagging a bargain.
Is it cheaper to book a DUB to KGS flight and hotel package?
You'll typically save money by securing a DUB to KGS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Dublin Airport (DUB) to Kos Island Intl. Airport (KGS)?
In most cases, you can reschedule or cancel your DUB to KGS flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

Origin airport
Dublin
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, British Airways, Lufthansa, Ryanair, Swiss International Air Lines
Roundtrip price
$264
Distance
1961 mi

Book with confidence

Dublin to Kos Flights

The cheapest times to fly from Dublin to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dublin to Kos are during the month of August. You can find some of the cheapest flights from Dublin to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dublin to Kos

Sunday is one of the best days to book for cheap flights from Dublin to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dublin to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dublin to Kos in 2026. You can also book with separate airlines for your outbound and return journeys, from $97 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dublin to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dublin to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Dublin to Kos Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.