Cheap flights from Kos to Rome from $124 KGS → CIA, FCO
Kos Airport (KGS) → Ciampino-G. B. Pastine International Airport (CIA), Leonardo da Vinci-Fiumicino Airport (FCO)
The cheapest return found recently is $223 with Sky Express Greece, 17 Feb 2027 – 26 Feb 2027, found 2 days ago. The cheapest one-way found recently is $124 with Aegean Airlines, 22 Nov, found 5 days ago.
- Cheapest one-way found recently
- $124, Aegean Airlines, found 5 days ago
- Cheapest return found recently
- $223, 17 Feb 2027 to 26 Feb 2027
- Cheapest month to fly
- November 2026, one-way fares from $124 found in the last 7 days
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$223
17 Feb 2027 – 26 Feb 2027 · Sky Express Greece
Kos Airport (KGS) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 9:45 p.m. · Return leaves 1:00 p.m. · 22 h 30 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$223 17 Feb 2027 – 26 Feb 2027found 2 days agoSee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 28 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $194 to $360.
28 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 9-night return fares leaving within 3 days of 17 Feb 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Feb 2027 – 26 Feb 2027 | $223 | Sky Express Greece | Kos Airport (KGS) → Leonardo da Vinci-Fiumicino Airport (FCO) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Airlines on the cheapest dates: Sky Express Greece.
One-way
The cheapest one-way fare on each of 4 departure dates is usually $138 to $181.
Cheapest one-way found recently
$124
22 Nov · Aegean Airlines
Kos Airport (KGS) → Leonardo da Vinci-Fiumicino Airport (FCO)
Leaves 8:40 p.m. · 14 h trip
1 stop · via Eleftherios Venizelos International Airport (ATH) · overnight connection · 11 h connection
found 5 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$124 22 Novfound 5 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 37 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $44 to $178.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 4 departure dates from 17 Nov to 19 Jun 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 22 Nov to compare.
Every date we hold
11 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Nov | $181 | Aegean Airlines | Kos Airport (KGS) → Leonardo da Vinci-Fiumicino Airport (FCO) | 1 stop | found 5 days ago | Open this trip |
| 18 Nov | $181 | Aegean Airlines | Kos Airport (KGS) → Leonardo da Vinci-Fiumicino Airport (FCO) | 1 stop | found 5 days ago | Open this trip |
| 22 Nov | $124 | Aegean Airlines | Kos Airport (KGS) → Leonardo da Vinci-Fiumicino Airport (FCO) | 1 stop | found 5 days ago | Open this trip |
| 19 Jun 2027 | $142 | Sky Express Greece | Kos Airport (KGS) → Leonardo da Vinci-Fiumicino Airport (FCO) | 1 stop | found 6 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $124.
Airlines on the cheapest dates: Aegean Airlines, Sky Express Greece.
Premium cabin fares from Kos to Rome
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 17 Feb 2027 – 26 Feb 2027 in another cabin: Premium economy · Business · First
Today's prices for 22 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Kos to Rome?
Return
Fares 90 to 179 days before departure were typically 23% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (28 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $354 | $194 | +29% | 15 |
| 7–13 days | $352 | $352 | +29% | 7 |
| 90–179 days | $274 | $223 | Cheapest seen | 8 |
One-way
Fares 180 or more days before departure were typically 52% lower than 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (37 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $181 | $124 | +107% | 7 |
| 14–29 days | $156 | $122 | +78% | 29 |
| 90–179 days | $178 | $178 | +103% | 8 |
| 180+ days | $88 | $56 | Cheapest seen | 16 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Rhodes → Rome
108 km from Kos
$239
$16 more than flying from Kos
14 Jan 2027 – 18 Jan 2027 · RHO → FCO · out 1 stop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Rhodes → Rome
108 km from Kos
$149
$25 more than flying from Kos
20 Nov · RHO → FCO · 1 stop
found 6 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 17 Feb 2027 – 26 Feb 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Kos to Rome?
The cheapest return found recently is $223 with Sky Express Greece, 17 Feb 2027 to 26 Feb 2027, found 2 days ago.
How much is a one-way flight from Kos to Rome?
The cheapest one-way found recently is $124 with Aegean Airlines, 22 Nov, found 5 days ago. The cheapest one-way fare on each of 4 departure dates is usually $138 to $181.
What is the cheapest month to fly from Kos to Rome?
November 2026 is the cheapest month for a one-way, from $124, 22 Nov, found 5 days ago.
How far ahead should I book a flight from Kos to Rome?
In 28 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 23% lower than 0 to 6 days before departure. In 37 days of prices between 24 Sept and 11 Nov, one-way fares 180 or more days before departure were typically 52% lower than 7 to 13 days before departure.
How long is the flight from Kos to Rome?
The cheapest one-way found recently, with Aegean Airlines on 22 Nov, takes 14 h with 1 stop, including a 11 h connection.
Which airlines have the cheapest flights from Kos to Rome?
Between 17 Nov and 19 Jun 2027, Aegean Airlines has the cheapest one-way on 3 of the 4 departure dates we hold, and Sky Express Greece on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work