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51 € Cheap Flights from Rome Fiumicino to Kos

Compare Rome Fiumicino to Kos flight deals

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

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Flight deals from Rome Fiumicino to Kos

Looking for a cheap last-minute deal or the best return flight from Rome Fiumicino Airport to Kos Airport? If you want to travel next month, return fares start from 134 €. Find the lowest prices on one-way and return tickets right here.
Kos.51 € per passenger.Departing Mon, 7 Sep, returning Mon, 21 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Rome Fiumicino on Mon, 7 Sep, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Mon, 21 Sep, arriving in Rome Fiumicino.Price includes taxes and charges.From 51 €, select.
Kos.51 € per passenger.Departing Mon, 31 Aug, returning Thu, 17 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Rome Fiumicino on Mon, 31 Aug, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Thu, 17 Sep, arriving in Rome Fiumicino.Price includes taxes and charges.From 51 €, select.
Kos.96 € per passenger.Departing Wed, 22 Jul, returning Thu, 30 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Rome Fiumicino on Wed, 22 Jul, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Thu, 30 Jul, arriving in Rome Fiumicino.Price includes taxes and charges.From 96 €, select.
Kos.107 € per passenger.Departing Mon, 28 Sep, returning Fri, 2 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Rome Fiumicino on Mon, 28 Sep, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Fri, 2 Oct, arriving in Rome Fiumicino.Price includes taxes and charges.From 107 €, select.
Kos.111 € per passenger.Departing Thu, 30 Jul, returning Mon, 3 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Rome Fiumicino on Thu, 30 Jul, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Mon, 3 Aug, arriving in Rome Fiumicino.Price includes taxes and charges.From 111 €, select.
Kos.118 € per passenger.Departing Thu, 23 Jul, returning Thu, 30 Jul.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Rome Fiumicino on Thu, 23 Jul, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Thu, 30 Jul, arriving in Rome Fiumicino.Price includes taxes and charges.From 118 €, select.
Kos.134 € per passenger.Departing Wed, 5 Aug, returning Mon, 10 Aug.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Rome Fiumicino on Wed, 5 Aug, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Mon, 10 Aug, arriving in Rome Fiumicino.Price includes taxes and charges.From 134 €, select.
Kos.134 € per passenger.Departing Fri, 2 Oct, returning Fri, 9 Oct.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Rome Fiumicino on Fri, 2 Oct, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Fri, 9 Oct, arriving in Rome Fiumicino.Price includes taxes and charges.From 134 €, select.
Kos.194 € per passenger.Departing Mon, 18 Jan, returning Sat, 30 Jan.Return flight with Ryanair and Aegean Airlines.Outbound indirect flight with Ryanair, departs from Rome Fiumicino on Mon, 18 Jan, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Sat, 30 Jan, arriving in Rome Fiumicino.Price includes taxes and charges.From 194 €, select.
Kos.194 € per passenger.Departing Thu, 30 Jul, returning Thu, 3 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Rome Fiumicino on Thu, 30 Jul, arriving in Kos.Inbound direct flight with Ryanair departs from Kos on Thu, 3 Sep, arriving in Rome Fiumicino.Price includes taxes and charges.From 194 €, select.
Kos.197 € per passenger.Departing Thu, 12 Nov, returning Tue, 24 Nov.Return flight with SKY express and Aegean Airlines.Outbound indirect flight with SKY express, departs from Rome Fiumicino on Thu, 12 Nov, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Tue, 24 Nov, arriving in Rome Fiumicino.Price includes taxes and charges.From 197 €, select.
Kos.200 € per passenger.Departing Thu, 3 Dec, returning Sun, 6 Dec.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Rome Fiumicino on Thu, 3 Dec, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Sun, 6 Dec, arriving in Rome Fiumicino.Price includes taxes and charges.From 200 €, select.
Kos.204 € per passenger.Departing Sat, 5 Jun, returning Sat, 12 Jun.Return flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from Rome Fiumicino on Sat, 5 Jun, arriving in Kos.Inbound indirect flight with Brussels Airlines, departs from Kos on Sat, 12 Jun, arriving in Rome Fiumicino.Price includes taxes and charges.From 204 €, select.
Kos.208 € per passenger.Departing Thu, 20 May, returning Sun, 23 May.Return flight with Brussels Airlines.Outbound indirect flight with Brussels Airlines, departs from Rome Fiumicino on Thu, 20 May, arriving in Kos.Inbound indirect flight with Brussels Airlines, departs from Kos on Sun, 23 May, arriving in Rome Fiumicino.Price includes taxes and charges.From 208 €, select.
Kos.210 € per passenger.Departing Wed, 23 Sep, returning Mon, 28 Jun.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Rome Fiumicino on Wed, 23 Sep, arriving in Kos.Inbound indirect flight with SWISS, departs from Kos on Mon, 28 Jun, arriving in Rome Fiumicino.Price includes taxes and charges.From 210 €, select.
Kos.212 € per passenger.Departing Fri, 12 Feb, returning Sat, 20 Feb.Return flight with SKY express and Aegean Airlines.Outbound indirect flight with SKY express, departs from Rome Fiumicino on Fri, 12 Feb, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Sat, 20 Feb, arriving in Rome Fiumicino.Price includes taxes and charges.From 212 €, select.

Find the cheapest month to fly from Rome Fiumicino to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Rome Fiumicino to Kos flights are currently cheapest in September.
Jul
from 96 €
Aug
from 134 €
Sep
from 51 €
Oct
from 134 €
Nov
from 197 €
Dec
from 200 €
Jan
from 194 €
Feb
from 212 €
Mar
from 230 €
Apr
from 265 €
May
from 208 €
Jun
from 204 €

Direct flights from Rome Fiumicino to Kos

Rome to Kos: Flight information

The things to know before you go.
Cheapest flight found51 €
Cheapest month to flySeptember
Average flight time2 hrs, 20 mins
Most popular airlineMalta Air
Average flights per week6

Finding cheap flights from Rome Fiumicino to Kos: Frequently asked questions

The best price we found for a return flight from Rome Fiumicino to Kos is 51 €. 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.
2 hours and 20 minutes is the average flight time from Rome Fiumicino to Kos.
Malta Air and Ryanair fly direct from Rome Fiumicino to Kos.
As of July 2026, there are 6 flights per week flying from Rome Fiumicino to Kos.
The cheapest month to fly from Rome Fiumicino to Kos is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Rome Fiumicino Airport to Kos Airport on Monday, 7 September 2026.
Yes – the average flight time is 2 hours and 20 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 Leonardo da Vinci-Fiumicino Airport (FCO) to Kos Airport (KGS): what you need to know

  • Book a direct flight from Leonardo da Vinci-Fiumicino Airport to Kos Airport and you'll be in the air for an average of 2 hours 20 minutes.

  • To ensure you get on your FCO to KGS flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.

  • Heading away during a peak period like school or public holidays? Expect longer lines at check-in and security. For peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • The airline with the highest booking volume on this route is Ryanair.

  • Think about adding a stopover when booking your ticket from Leonardo da Vinci-Fiumicino Airport to Kos Airport. Simply deselect 'Direct flights only' to break up your journey, or even explore someplace new along the way. Check out these options between FCO and KGS:

    • Naples International Airport

    • Eleftherios Venizelos International Airport

    • Zurich Airport

How to find the cheapest flights from Leonardo da Vinci-Fiumicino Airport (FCO) to Kos Airport (KGS)

  • The lowest price we've seen for a one-way Leonardo da Vinci-Fiumicino Airport to Kos Airport flight is 23 €. A round-trip ticket right now is 51 €. Depending on the availability and when you book, these fares can change.

  • Book seven months before flying. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from FCO to KGS.

  • The cheapest month for flights from Leonardo da Vinci-Fiumicino Airport to Kos Airport is June. Use the 'Whole month' tool to see the lowest prices if you have flexible travel dates.

  • Spend less time searching for cheap flights from FCO to KGS by creating a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Tailor your flights using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Leonardo da Vinci-Fiumicino Airport to Kos Airport.

Handy information about Leonardo da Vinci-Fiumicino Airport (FCO)

  • When it comes to Leonardo da Vinci-Fiumicino Airport's on-time performance, data shows 70.57% of flights arrive within the expected timeframe.

  • Leonardo da Vinci-Fiumicino Airport is about 32 kilometres from central Rome. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 40 minutes or so to arrive, depending on the traffic.

  • Catching public transport? Expect a trip time of around 50 minutes.

  • Need a handy hotel close to FCO? If you're boarding an early flight from Leonardo da Vinci-Fiumicino Airport to Kos Airport, these accommodation options will put you moments from your departure gate:

Arriving at Kos Airport (KGS)

  • For the lowest price, book your vehicle from Kos Airport around three weeks before travelling.

Plan the rest of your trip from Rome to Kos

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.