Cheap Flights from Rome to Kos

View €120 flight on Mon, 22 Sep 2025Opens in a new window

Popular airlines from Rome to Kos

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Rome to Kos (ROM-LRS)

Prices were available within the past 7 days and start at €120 for one-way flights and €233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, 12 Sep - Fri, 19 Sep
FCO
Rome
KGS
Kos
€233 Return, just found
€233
Return
just found
Select Lufthansa flight, departing Fri, 12 Sep from Rome to Kos, returning Fri, 19 Sep, priced at €233 just found
Aegean
Fri, 12 Sep - Fri, 19 Sep
FCO
Rome
KGS
Kos
€239 Return, just found
€239
Return
just found
Select Aegean flight, departing Fri, 12 Sep from Rome to Kos, returning Fri, 19 Sep, priced at €239 just found
Aegean
Fri, 19 Sep - Fri, 26 Sep
FCO
Rome
KGS
Kos
€245 Return, found 20 hours ago
€245
Return
found 20 hours ago
Select Aegean flight, departing Fri, 19 Sep from Rome to Kos, returning Fri, 26 Sep, priced at €245 found 20 hours ago
Austrian Airlines
Fri, 19 Sep - Fri, 26 Sep
FCO
Rome
KGS
Kos
€245 Return, found 20 hours ago
€245
Return
found 20 hours ago
Select Austrian Airlines flight, departing Fri, 19 Sep from Rome to Kos, returning Fri, 26 Sep, priced at €245 found 20 hours ago
Brussels Airlines
Fri, 12 Sep - Fri, 19 Sep
FCO
Rome
KGS
Kos
€256 Return, just found
€256
Return
just found
Select Brussels Airlines flight, departing Fri, 12 Sep from Rome to Kos, returning Fri, 19 Sep, priced at €256 just found
Eurowings
Fri, 12 Sep - Fri, 19 Sep
FCO
Rome
KGS
Kos
€259 Return, just found
€259
Return
just found
Select Eurowings flight, departing Fri, 12 Sep from Rome to Kos, returning Fri, 19 Sep, priced at €259 just found
*Available to Expedia members.