Ancient ruins with stone columns and scattered trees.

£20 Cheap Flights from Dublin (DUB) to Kos (KGS)

View £20 flight on Fri, 23 Oct 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £20 for one-way flights and £134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Sun, 13 Sept - Fri, 18 Sept
DUB
Dublin
KGS
Kos
£134 Return, found 22 hours ago
£134
Return
found 22 hours ago
Select Ryanair flight, departing Sun, 13 Sept from Dublin to Kos, returning Fri, 18 Sept, priced at £134 found 22 hours ago
Ryanair
Sun, 30 Aug - Fri, 11 Sept
DUB
Dublin
KGS
Kos
£135 Return, found 2 days ago
£135
Return
found 2 days ago
Select Ryanair flight, departing Sun, 30 Aug from Dublin to Kos, returning Fri, 11 Sept, priced at £135 found 2 days ago
Ryanair
Fri, 18 Sept - Fri, 25 Sept
DUB
Dublin
KGS
Kos
£137 Return, found 9 hours ago
£137
Return
found 9 hours ago
Select Ryanair flight, departing Fri, 18 Sept from Dublin to Kos, returning Fri, 25 Sept, priced at £137 found 9 hours ago
Swiss International Air Lines
Tue, 15 Sept - Tue, 22 Sept
DUB
Dublin
KGS
Kos
£140 Return, found 2 days ago
£140
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 15 Sept from Dublin to Kos, returning Tue, 22 Sept, priced at £140 found 2 days ago
Ryanair
Fri, 11 Sept - Fri, 18 Sept
DUB
Dublin
KGS
Kos
£141 Return, found 1 day ago
£141
Return
found 1 day ago
Select Ryanair flight, departing Fri, 11 Sept from Dublin to Kos, returning Fri, 18 Sept, priced at £141 found 1 day ago
Ryanair
Fri, 25 Sept - Fri, 2 Oct
DUB
Dublin
KGS
Kos
£149 Return, found 1 day ago
£149
Return
found 1 day ago
Select Ryanair flight, departing Fri, 25 Sept from Dublin to Kos, returning Fri, 2 Oct, priced at £149 found 1 day ago
Ryanair
Sun, 30 Aug - Sun, 6 Sept
DUB
Dublin
KGS
Kos
£150 Return, found 4 hours ago
£150
Return
found 4 hours ago
Select Ryanair flight, departing Sun, 30 Aug from Dublin to Kos, returning Sun, 6 Sept, priced at £150 found 4 hours ago
Lufthansa
Fri, 4 Sept - Mon, 5 Oct
DUB
Dublin
KGS
Kos
£183 Return, found 6 hours ago
£183
Return
found 6 hours ago
Select Lufthansa flight, departing Fri, 4 Sept from Dublin to Kos, returning Mon, 5 Oct, priced at £183 found 6 hours ago
Austrian Airlines
Sun, 11 Oct - Fri, 16 Oct
DUB
Dublin
KGS
Kos
£211 Return, found 11 hours ago
£211
Return
found 11 hours ago
Select Austrian Airlines flight, departing Sun, 11 Oct from Dublin to Kos, returning Fri, 16 Oct, priced at £211 found 11 hours ago
Aegean
Tue, 29 Sept - Tue, 6 Oct
DUB
Dublin
KGS
Kos
£228 Return, found 1 day ago
£228
Return
found 1 day ago
Select Aegean flight, departing Tue, 29 Sept from Dublin to Kos, returning Tue, 6 Oct, priced at £228 found 1 day ago

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 centre is 25 minutes. Flights from £221
KGS
Kos Island Intl.
CheapestClosest
Average driving time to city centre25 min
Flights from £221

Frequently asked questions

How much does a flight from Dublin (DUB) to Kos (KGS-Kos Island Intl.) cost?
You can find cheap one-way flights from £20 and cheap return flights from £134 DUB to KGS with Expedia. Return flights often range between £299 and £752. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when DUB to KGS ticket fares go up or down.
What is the cheapest month to fly from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
The cheapest months to fly from DUB to KGS are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
Only one airline offers direct flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.). Ryanair operates 7 direct flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.) every week.
What is the cheapest airline that flies from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
Ryanair is one of the cheapest airlines offering nonstop return flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.), with tickets starting from around £168 for flights that can be booked for departure within the next year. Ryanair also offers one of the cheapest connecting return flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.), with tickets starting from around £269. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
To find a cheap flight from Dublin (DUB) to Kos (KGS-Kos Island Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
There are approximately 13 connecting flights per day from Dublin (DUB) to Kos (KGS-Kos Island Intl.). Some common connection points include Frankfurt Intl. (FRA), Franz Josef Strauss Intl. (MUC), and Eleftherios Venizelos (ATH).
What is the earliest flight from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
The earliest flight from Dublin (DUB) to Kos (KGS-Kos Island Intl.) typically departs at around 5:55 AM. This service is offered by Lufthansa and Discover Airlines. This is a seasonal service active in October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
You'll generally find the most flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.) on a Friday, with around 22 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Lufthansa, Aer Lingus, and British Airways. While Fridays are slightly busier, flight schedules are fairly consistent throughout the week, so you should have plenty of options regardless of your travel day.
What are the most popular departure times for flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
The most popular departure times for flights from Dublin (DUB) to Kos (KGS-Kos Island Intl.) are between 12pm and 3pm. Many major carriers, including Lufthansa, Ryanair and Swiss International Air Lines, offer flights during this window. Many travellers prefer this timing as it allows for a relaxed morning before heading to the airport, and you'll arrive in Kos with plenty of time to settle in.
How long does it take to fly from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
A non-stop flight from Dublin (DUB) to Kos Island Intl. (KGS) typically takes around 4 hours 30 minutes. This route covers a distance of approximately 3,158 kilometers. If you opt for a flight with one stop, your journey will be significantly longer, usually around 18 hours 30 minutes, due to the layover. Flights with two or more stops take even longer, typically around 20 hours 18 minutes. Keep in mind that actual flight times can vary based on factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Dublin (DUB) to Kos (KGS)?
Select the "Business class" and "First class" filters when looking for Dublin (DUB) to Kos (KGS) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Dublin (DUB) to Kos (KGS-Kos Island Intl.) flight with Expedia?
It's easy to earn miles on a Dublin (DUB) to Kos (KGS-Kos Island Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kos (KGS) from Dublin (DUB)?
If you're planning to travel to Kos from DUB, you can fly directly into Kos Island Intl. (KGS). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Cointrin Intl. (GVA), or Heathrow (LHR) before reaching Kos. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Dublin (DUB) to Kos (KGS-Kos Island Intl.) at the last minute?
Typically, booking a last minute flight from Dublin (DUB) to Kos (KGS-Kos Island Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Dublin (DUB) to Kos (KGS-Kos Island Intl.) flight and hotel package?
Securing a Dublin (DUB) to Kos (KGS-Kos Island Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dublin (DUB) to Kos (KGS-Kos Island Intl.)?
If you booked your Dublin (DUB) to Kos (KGS-Kos Island Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dublin
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, British Airways, Lufthansa, Ryanair, Swiss International Air Lines
Return price
£134
Distance
3138 km
Average flight time
4 hours 25 mins

Book with confidence

Compare flights from Dublin to Kos easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dublin to Kos. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kos Island Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dublin to Kos Island Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dublin (DUB) to Kos Island Intl. (KGS)

The easiest way to view the best deals on flights from Dublin to Kos today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dublin to Kos Island Intl. start at just £134 and range up to £228.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dublin and Kos
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dublin to Kos flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dublin to Kos Island Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Dublin to Kos easily and book with confidence

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