Cheap Flights from Frankfurt to Kos

View €64 flight on Fri, 27 Jun 2025Opens in a new window

Popular airlines from Frankfurt to Kos

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Cheap flights from Frankfurt to Kos (FRA-LRS)

Prices were available within the past 7 days and start at €64 for one-way flights and €300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, 3 Jul - Mon, 7 Jul
FRA
Frankfurt
KGS
Kos
€300 Return, found 5 days ago
€300
Return
found 5 days ago
Select Lufthansa flight, departing Thu, 3 Jul from Frankfurt to Kos, returning Mon, 7 Jul, priced at €300 found 5 days ago
Aegean
Fri, 22 Aug - Fri, 5 Sep
FRA
Frankfurt
KGS
Kos
€303 Return, found 6 days ago
€303
Return
found 6 days ago
Select Aegean flight, departing Fri, 22 Aug from Frankfurt to Kos, returning Fri, 5 Sep, priced at €303 found 6 days ago
Lufthansa
Thu, 3 Jul - Mon, 7 Jul
FRA
Frankfurt
KGS
Kos
€306 Return, found 5 days ago
€306
Return
found 5 days ago
Select Lufthansa flight, departing Thu, 3 Jul from Frankfurt to Kos, returning Mon, 7 Jul, priced at €306 found 5 days ago
Condor
Fri, 22 Aug - Fri, 5 Sep
FRA
Frankfurt
KGS
Kos
€308 Return, found 6 days ago
€308
Return
found 6 days ago
Select Condor flight, departing Fri, 22 Aug from Frankfurt to Kos, returning Fri, 5 Sep, priced at €308 found 6 days ago
Brussels Airlines
Fri, 22 Aug - Fri, 5 Sep
FRA
Frankfurt
KGS
Kos
€320 Return, found 6 days ago
€320
Return
found 6 days ago
Select Brussels Airlines flight, departing Fri, 22 Aug from Frankfurt to Kos, returning Fri, 5 Sep, priced at €320 found 6 days ago
Austrian Airlines
Mon, 30 Jun - Fri, 4 Jul
FRA
Frankfurt
KGS
Kos
€321 Return, found 3 days ago
€321
Return
found 3 days ago
Select Austrian Airlines flight, departing Mon, 30 Jun from Frankfurt to Kos, returning Fri, 4 Jul, priced at €321 found 3 days ago

Find the cheapest month to fly from Frankfurt (FRA) to Kos (KGS)

June is typically the cheapest month to fly

From €138 - €329 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.