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Cheap flight tickets from Dublin to Kos

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Compare Dublin to Kos flight deals

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Flight deals from Dublin to Kos

Looking for a cheap last-minute deal or the best return flight from Dublin to Kos? Find the lowest prices on one-way and return tickets right here.
Kos.RM726 per passenger.Departing Fri, 30 May, returning Sat, 7 Jun.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Fri, 30 May, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Sat, 7 Jun, arriving in Dublin.Price includes taxes and charges.From RM726, select.
Kos.RM742 per passenger.Departing Tue, 3 Jun, returning Sat, 7 Jun.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue, 3 Jun, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Sat, 7 Jun, arriving in Dublin.Price includes taxes and charges.From RM742, select.
Kos.RM771 per passenger.Departing Wed, 14 May, returning Mon, 19 May.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Dublin on Wed, 14 May, arriving in Kos.Inbound indirect flight with SWISS, departs from Kos on Mon, 19 May, arriving in Dublin.Price includes taxes and charges.From RM771, select.
Kos.RM840 per passenger.Departing Tue, 9 Sep, returning Tue, 16 Sep.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Dublin on Tue, 9 Sep, arriving in Kos.Inbound indirect flight with SWISS, departs from Kos on Tue, 16 Sep, arriving in Dublin.Price includes taxes and charges.From RM840, select.
Kos.RM858 per passenger.Departing Sat, 23 Aug, returning Sat, 6 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sat, 23 Aug, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Sat, 6 Sep, arriving in Dublin.Price includes taxes and charges.From RM858, select.
Kos.RM862 per passenger.Departing Sat, 16 Aug, returning Sat, 23 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Sat, 16 Aug, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Sat, 23 Aug, arriving in Dublin.Price includes taxes and charges.From RM862, select.
Kos.RM903 per passenger.Departing Tue, 30 Sep, returning Tue, 14 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue, 30 Sep, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Tue, 14 Oct, arriving in Dublin.Price includes taxes and charges.From RM903, select.
Kos.RM913 per passenger.Departing Tue, 14 Oct, returning Tue, 21 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Tue, 14 Oct, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Tue, 21 Oct, arriving in Dublin.Price includes taxes and charges.From RM913, select.

Find the cheapest month to fly from Dublin to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dublin to Kos flights are currently cheapest in June.
Apr
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May
from RM771
Jun
from RM742
Jul
from RM940
Aug
from RM862
Sep
from RM840
Oct
from RM913
Nov
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Dec
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Jan
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Feb
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Mar
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Direct flights from Dublin to Kos

Dublin to Kos: Flight information

The things to know before you go.
Cheapest flight foundRM726
Cheapest month to flyMay
Average flight time4 hrs, 28 mins
Most popular airlineRyanair
Average flights per week2

Finding cheap flights from Dublin to Kos: Frequently asked questions

The best price we found for a return flight from Dublin to Kos is RM726. 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.
4 hours and 28 minutes is the average flight time from Dublin to Kos.
Ryanair flies direct from Dublin to Kos.
As of April 2025, there are 2 flights per week flying from Dublin to Kos.
The cheapest month to fly from Dublin to Kos is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Kos Airport on Friday, 30 May 2025.
Yes – the average flight time is 4 hours and 28 minutes.
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 Kos 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 Kos is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Kos.

Flying from Dublin Airport (DUB) to Kos Airport (KGS): what you need to know

  • Around 4 hours 30 minutes is how long you can expect to be travelling on a direct flight from Dublin Airport to Kos Airport.

  • To ensure you catch your DUB to KGS flight, leave plenty of time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • If you're travelling during a bank holiday or other peak periods, allow extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

  • Aer Lingus is the airline most travellers choose to fly with on this route.

  • If you want to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from Dublin Airport to Kos Airport. These are the top stopovers between DUB and KGS:

    • Frankfurt Airport

    • Leonardo da Vinci-Fiumicino Airport

    • Manchester Airport

How to find the cheapest flights from Dublin Airport (DUB) to Kos Airport (KGS)

  • RM212 is currently the lowest price for a one-way Dublin Airport to Kos Airport flight. Return flights start at RM726. These prices may change depending on availability.

  • Book 11 months before you want to fly. After looking at the numbers on our calendar, this is how far you should book ahead to find cheap tickets from DUB to KGS.

  • October is the cheapest month for flights from Dublin Airport to Kos Airport. If you want to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Finding cheap flights from DUB to KGS is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Tailor your trip using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Dublin Airport to Kos Airport.

Handy information about Dublin Airport (DUB)

  • Of all flights departing from Dublin Airport, 72.87% arrive as scheduled at their destination.

  • Dublin Airport is around 21 kilometres from central Dublin. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 30 minutes or so to arrive, depending on the traffic.

  • Expect a journey time of roughly 2 hours 10 minutes on public transport.

  • Have an early flight from Dublin Airport to Kos Airport? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by picking one of these stays near DUB:

Arriving at Kos Airport (KGS)

  • Reserving your ride from Kos Airport around three weeks in advance boosts your odds of scoring a great price.

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Plan the rest of your trip from Dublin to Kos

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