$35 Cheap Flights from Rome (FCO) to Kos (KGS)

View $35 flight on Mon, Jun 8, 2026Opens in a new window

Popular airlines from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from Rome to Kos (FCO-KGS)

Prices were available within the past 7 days and start at $35 for one-way flights and $106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ryanair
Mon, Jun 1 - Mon, Jun 8
FCO
Rome
KGS
Kos
$106 Roundtrip, found 6 days ago
$106
Roundtrip
found 6 days ago
Select Ryanair flight, departing Mon, Jun 1 from Rome to Kos, returning Mon, Jun 8, priced at $106 found 6 days ago
Ryanair
Fri, Jun 5 - Mon, Jun 8
FCO
Rome
KGS
Kos
$138 Roundtrip, found 5 days ago
$138
Roundtrip
found 5 days ago
Select Ryanair flight, departing Fri, Jun 5 from Rome to Kos, returning Mon, Jun 8, priced at $138 found 5 days ago
Ryanair
Thu, Jul 2 - Mon, Jul 6
FCO
Rome
KGS
Kos
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
Select Ryanair flight, departing Thu, Jul 2 from Rome to Kos, returning Mon, Jul 6, priced at $172 found 1 day ago
Aegean
Fri, Jun 5 - Mon, Jun 8
FCO
Rome
KGS
Kos
$185 Roundtrip, found 5 days ago
$185
Roundtrip
found 5 days ago
Select Aegean flight, departing Fri, Jun 5 from Rome to Kos, returning Mon, Jun 8, priced at $185 found 5 days ago
Aegean
Fri, Jun 5 - Mon, Jun 8
FCO
Rome
KGS
Kos
$191 Roundtrip, found 5 days ago
$191
Roundtrip
found 5 days ago
Select Aegean flight, departing Fri, Jun 5 from Rome to Kos, returning Mon, Jun 8, priced at $191 found 5 days ago
Ryanair
Mon, Jun 1 - Mon, Jun 8
FCO
Rome
KGS
Kos
$195 Roundtrip, found 6 days ago
$195
Roundtrip
found 6 days ago
Select Ryanair flight, departing Mon, Jun 1 from Rome to Kos, returning Mon, Jun 8, priced at $195 found 6 days ago
Aegean
Fri, Jun 5 - Mon, Jun 8
FCO
Rome
KGS
Kos
$201 Roundtrip, found 5 days ago
$201
Roundtrip
found 5 days ago
Select Aegean flight, departing Fri, Jun 5 from Rome to Kos, returning Mon, Jun 8, priced at $201 found 5 days ago
SKY express
Thu, Sep 17 - Sat, Sep 26
FCO
Rome
KGS
Kos
$250 Roundtrip, found 5 days ago
$250
Roundtrip
found 5 days ago
Select SKY express flight, departing Thu, Sep 17 from Rome to Kos, returning Sat, Sep 26, priced at $250 found 5 days ago
Austrian Airlines
Sat, Jun 20 - Tue, Jun 30
FCO
Rome
KGS
Kos
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select Austrian Airlines flight, departing Sat, Jun 20 from Rome to Kos, returning Tue, Jun 30, priced at $256 found 5 days ago
Swiss International Air Lines
Fri, Jun 5 - Mon, Jun 8
FCO
Rome
KGS
Kos
$275 Roundtrip, found 5 days ago
$275
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Fri, Jun 5 from Rome to Kos, returning Mon, Jun 8, priced at $275 found 5 days ago

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Frequently asked questions

How much does a flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight from $35 or cheap return flight from $106 from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS)?
The cheapest month to fly from FCO to KGS is June, when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS)?
To find the cheapest airline flying from FCO to KGS, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS)?
Direct flights from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FCO to KGS?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS)?
To land at Kos Island Intl. Airport (KGS) on time, book a flight that leaves Fiumicino - Leonardo da Vinci Intl. Airport (FCO) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS) last-minute?
Waiting until right before your break to book your flight from FCO to KGS often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a FCO to KGS flight and hotel package?
You'll generally save money by securing a FCO to KGS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Fiumicino - Leonardo da Vinci Intl. Airport (FCO) to Kos Island Intl. Airport (KGS)?
Generally, it's possible to reschedule or cancel your FCO to KGS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Fiumicino - Leonardo da Vinci Intl.
Destination airport
Kos Island Intl.
Airlines serving
Aegean, Austrian Airlines, Brussels Airlines, Lufthansa, Ryanair, SKY express, Swiss International Air Lines
Roundtrip price
$106
Distance
863 mi

Book with confidence

Rome to Kos Flights

The cheapest times to fly from Rome 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 Rome to Kos are during the month of June. You can find some of the cheapest flights from Rome to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rome to Kos

Sunday is one of the best days to book for cheap flights from Rome 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 Rome 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 Rome to Kos in 2026. You can also book with separate airlines for your outbound and return journeys, from $35 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 Rome 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 Rome 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.

 

Rome to Kos Flights

*Flight schedules are subject to change.

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*Available to One Key members.