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Cheap flights from Dublin to Kos

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      Travelers and cabin class, 1 Adult, Economy

      Compare Dublin to Kos flight deals

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

      Book the best Kos fare with no extra fees

      Dublin Airport to Kos flight deals

      Looking for a cheap last-minute deal or the best roundtrip flight from Dublin Airport to Kos? Find our lowest prices on one-way and roundtrip tickets to the most convenient airport right here.
      Kos.$84 per passenger.Departing Fri, Aug 21, returning Fri, Sep 4.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Dublin on Fri, Aug 21, arriving in Kos.Inbound direct flight with Ryanair departing from Kos on Fri, Sep 4, arriving in Dublin.Price includes taxes and charges.From $84, select.
      Kos.$109 per passenger.Departing Sun, Oct 18, returning Wed, Oct 21.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Sun, Oct 18, arriving in Kos.Inbound indirect flight with Ryanair, departing from Kos on Wed, Oct 21, arriving in Dublin.Price includes taxes and charges.From $109, select.
      Kos.$118 per passenger.Departing Wed, Sep 23, returning Wed, Oct 7.Round-trip flight with Ryanair.Outbound indirect flight with Ryanair, departing from Dublin on Wed, Sep 23, arriving in Kos.Inbound indirect flight with Ryanair, departing from Kos on Wed, Oct 7, arriving in Dublin.Price includes taxes and charges.From $118, select.
      Kos.$126 per passenger.Departing Fri, Sep 4, returning Fri, Sep 18.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Dublin on Fri, Sep 4, arriving in Kos.Inbound direct flight with Ryanair departing from Kos on Fri, Sep 18, arriving in Dublin.Price includes taxes and charges.From $126, select.
      Kos.$148 per passenger.Departing Fri, Oct 16, returning Sun, Oct 18.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Dublin on Fri, Oct 16, arriving in Kos.Inbound direct flight with Ryanair departing from Kos on Sun, Oct 18, arriving in Dublin.Price includes taxes and charges.From $148, select.
      Kos.$148 per passenger.Departing Fri, Sep 18, returning Fri, Oct 2.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Dublin on Fri, Sep 18, arriving in Kos.Inbound direct flight with Ryanair departing from Kos on Fri, Oct 2, arriving in Dublin.Price includes taxes and charges.From $148, select.
      Kos.$173 per passenger.Departing Sat, Aug 22, returning Tue, Aug 25.Round-trip flight with Ryanair and Jet2.Outbound indirect flight with Ryanair, departing from Dublin on Sat, Aug 22, arriving in Kos.Inbound indirect flight with Jet2, departing from Kos on Tue, Aug 25, arriving in Dublin.Price includes taxes and charges.From $173, select.
      Kos.$214 per passenger.Departing Tue, Jun 8, returning Tue, Jun 15.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Dublin on Tue, Jun 8, arriving in Kos.Inbound indirect flight with SWISS, departing from Kos on Tue, Jun 15, arriving in Dublin.Price includes taxes and charges.From $214, select.
      Kos.$234 per passenger.Departing Fri, Oct 23, returning Sun, Nov 1.Round-trip flight with Ryanair and SKY express.Outbound indirect flight with Ryanair, departing from Dublin on Fri, Oct 23, arriving in Kos.Inbound indirect flight with SKY express, departing from Kos on Sun, Nov 1, arriving in Dublin.Price includes taxes and charges.From $234, select.
      Kos.$279 per passenger.Departing Wed, Nov 4, returning Mon, Nov 9.Round-trip flight with Ryanair and Aegean Airlines.Outbound indirect flight with Ryanair, departing from Dublin on Wed, Nov 4, arriving in Kos.Inbound indirect flight with Aegean Airlines, departing from Kos on Mon, Nov 9, arriving in Dublin.Price includes taxes and charges.From $279, select.
      Kos.$292 per passenger.Departing Fri, May 21, returning Fri, May 28.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Dublin on Fri, May 21, arriving in Kos.Inbound indirect flight with SWISS, departing from Kos on Fri, May 28, arriving in Dublin.Price includes taxes and charges.From $292, select.
      Kos.$302 per passenger.Departing Sat, Jun 26, returning Tue, Jul 6.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Dublin on Sat, Jun 26, arriving in Kos.Inbound indirect flight with SWISS, departing from Kos on Tue, Jul 6, arriving in Dublin.Price includes taxes and charges.From $302, select.
      Kos.$302 per passenger.Departing Fri, Jul 2, returning Tue, Jul 6.Round-trip flight with SWISS.Outbound indirect flight with SWISS, departing from Dublin on Fri, Jul 2, arriving in Kos.Inbound indirect flight with SWISS, departing from Kos on Tue, Jul 6, arriving in Dublin.Price includes taxes and charges.From $302, select.
      Kos.$303 per passenger.Departing Fri, Aug 21, returning Sun, Aug 30.Round-trip flight with Ryanair.Outbound direct flight with Ryanair departing from Dublin on Fri, Aug 21, arriving in Kos.Inbound direct flight with Ryanair departing from Kos on Sun, Aug 30, arriving in Dublin.Price includes taxes and charges.From $303, select.
      Kos.$309 per passenger.Departing Tue, Dec 15, returning Sun, Dec 20.Round-trip flight with Ryanair and Aegean Airlines.Outbound indirect flight with Ryanair, departing from Dublin on Tue, Dec 15, arriving in Kos.Inbound indirect flight with Aegean Airlines, departing from Kos on Sun, Dec 20, arriving in Dublin.Price includes taxes and charges.From $309, select.
      Kos.$322 per passenger.Departing Fri, Nov 20, returning Tue, Dec 1.Round-trip flight with Ryanair and Aegean Airlines.Outbound indirect flight with Ryanair, departing from Dublin on Fri, Nov 20, arriving in Kos.Inbound indirect flight with Aegean Airlines, departing from Kos on Tue, Dec 1, arriving in Dublin.Price includes taxes and charges.From $322, select.
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      Dublin to Kos: Flight information

      The things to know before you go.
      Fly intoKos Airport
      Cheapest flight found$84
      Cheapest month to flyAugust
      Average flight time4 hrs, 25 mins
      Most popular airlineRyanair
      Average flights per week2

      Find the cheapest month to fly from Dublin to Kos

      We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Dublin to Kos flights are currently cheapest in August. We’ve based this on flights into Kos Airport.
      Aug
      from $173
      Sep
      from $126
      Oct
      from $109
      Nov
      from $279
      Dec
      from $309
      Jan
      Find prices
      Feb
      Find prices
      Mar
      from $338
      Apr
      from $563
      May
      from $292
      Jun
      from $214
      Jul
      from $302

      Finding cheap flights from Dublin to Kos: Frequently asked questions

      There are two (2) airports near Kos: Kos Airport and Kalymnos Airport.
      The best price we found for a round-trip flight from Dublin to Kos is $84. 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.
      Currently, Ryanair is the only airline that offers direct flights to Kos Airport.
      We've checked every Dublin Airport to Kos fare we could find, and the cheapest upcoming date to fly seems to be on Friday, August 21, 2026. Overall, the cheapest month to fly from Dublin Airport to Kos is usually August.
      If you're flying from Dublin Airport, the cheapest airport near Kos is Kos – which is 20.0 km away from the center of Kos. We've found flights to this airport from $84.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Kos on Friday, August 21, 2026.
      No airlines currently offer direct flights between Dublin Airport and Kos. Most routes have one or more stops.
      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.

      Kos Airport is 20.0km from Kos and Kalymnos Airport is 31.6km from Kos.
      Kos Airport is closest to Kos, at around 20.0 km away.
      Currently, the cheapest airline that flies to Kos Airport – the closest airport to Kos – is Ryanair.