Cheap Flights from Frankfurt to Kos from $329

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Flight deals from Frankfurt to Kos Airport

Looking for a cheap last-minute deal or the best return flight from Frankfurt to Kos Airport? If you want to travel next month, return fares start from $471. Find the lowest prices on one-way and return tickets right here.

Kos.$329 per passenger.Departing Tue, 2 Jun, returning Tue, 9 Jun.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Tue, 2 Jun, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Tue, 9 Jun, arriving in Hahn.Price includes taxes and charges.From $329, select.

Kos.$353 per passenger.Departing Wed, 17 Jun, returning Mon, 6 Jul.Return flight with Ryanair and Aegean Airlines.Outbound indirect flight with Ryanair, departs from Hahn on Wed, 17 Jun, arriving in Kos.Inbound indirect flight with Aegean Airlines, departs from Kos on Mon, 6 Jul, arriving in Hahn.Price includes taxes and charges.From $353, select.

Kos.$359 per passenger.Departing Fri, 8 May, returning Sun, 10 May.Return flight with Aegean Airlines and Condor.Outbound indirect flight with Aegean Airlines, departs from Frankfurt am Main on Fri, 8 May, arriving in Kos.Inbound indirect flight with Condor, departs from Kos on Sun, 10 May, arriving in Frankfurt am Main.Price includes taxes and charges.From $359, select.

Kos.$379 per passenger.Departing Tue, 23 Jun, returning Tue, 30 Jun.Return flight with Condor.Outbound direct flight with Condor departs from Frankfurt am Main on Tue, 23 Jun, arriving in Kos.Inbound direct flight with Condor departs from Kos on Tue, 30 Jun, arriving in Frankfurt am Main.Price includes taxes and charges.From $379, select.

Kos.$399 per passenger.Departing Sat, 7 Nov, returning Sat, 14 Nov.Return flight with TUIfly and SKY express.Outbound indirect flight with TUIfly, departs from Frankfurt am Main on Sat, 7 Nov, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Sat, 14 Nov, arriving in Frankfurt am Main.Price includes taxes and charges.From $399, select.

Kos.$428 per passenger.Departing Wed, 1 Jul, returning Sun, 26 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Wed, 1 Jul, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Sun, 26 Jul, arriving in Hahn.Price includes taxes and charges.From $428, select.

Kos.$430 per passenger.Departing Fri, 19 Jun, returning Sat, 4 Jul.Return flight with Condor.Outbound direct flight with Condor departs from Frankfurt am Main on Fri, 19 Jun, arriving in Kos.Inbound direct flight with Condor departs from Kos on Sat, 4 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From $430, select.

Kos.$448 per passenger.Departing Sun, 10 May, returning Tue, 19 May.Return flight with Condor.Outbound direct flight with Condor departs from Frankfurt am Main on Sun, 10 May, arriving in Kos.Inbound direct flight with Condor departs from Kos on Tue, 19 May, arriving in Frankfurt am Main.Price includes taxes and charges.From $448, select.

Kos.$455 per passenger.Departing Wed, 9 Sep, returning Sun, 13 Sep.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Hahn on Wed, 9 Sep, arriving in Kos.Inbound indirect flight with Ryanair, departs from Kos on Sun, 13 Sep, arriving in Hahn.Price includes taxes and charges.From $455, select.

Kos.$466 per passenger.Departing Tue, 22 Sep, returning Tue, 6 Oct.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Frankfurt am Main on Tue, 22 Sep, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Tue, 6 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From $466, select.

Kos.$471 per passenger.Departing Tue, 21 Apr, returning Wed, 29 Apr.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Frankfurt am Main on Tue, 21 Apr, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Wed, 29 Apr, arriving in Frankfurt am Main.Price includes taxes and charges.From $471, select.

Kos.$477 per passenger.Departing Tue, 21 Apr, returning Tue, 5 May.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Frankfurt am Main on Tue, 21 Apr, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Tue, 5 May, arriving in Frankfurt am Main.Price includes taxes and charges.From $477, select.

Kos.$488 per passenger.Departing Tue, 14 Jul, returning Tue, 21 Jul.Return flight with Condor.Outbound direct flight with Condor departs from Frankfurt am Main on Tue, 14 Jul, arriving in Kos.Inbound direct flight with Condor departs from Kos on Tue, 21 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From $488, select.

Kos.$495 per passenger.Departing Tue, 4 Aug, returning Wed, 5 Aug.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Frankfurt am Main on Tue, 4 Aug, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Wed, 5 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From $495, select.

Kos.$495 per passenger.Departing Thu, 1 Oct, returning Tue, 6 Oct.Return flight with SKY express.Outbound indirect flight with SKY express, departs from Frankfurt am Main on Thu, 1 Oct, arriving in Kos.Inbound indirect flight with SKY express, departs from Kos on Tue, 6 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From $495, select.

Kos.$507 per passenger.Departing Thu, 6 Aug, returning Thu, 13 Aug.Return flight with Condor.Outbound direct flight with Condor departs from Frankfurt am Main on Thu, 6 Aug, arriving in Kos.Inbound direct flight with Condor departs from Kos on Thu, 13 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From $507, select.

Find the cheapest month to fly from Frankfurt to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Frankfurt to Kos flights are currently cheapest in June.

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Direct flights from Frankfurt to Kos

Frankfurt to Kos: Flight information

The things to know before you go.

Cheapest flight found	$329
Cheapest month to fly	June
Average flight time	3 hrs, 3 mins
Most popular airline	Condor
Average flights per week	19

Finding cheap flights from Frankfurt to Kos: Frequently asked questions

How much are return flights from Frankfurt to Kos?

The best price we found for a return flight from Frankfurt to Kos is $329. 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.

How long does it take to fly from Frankfurt to Kos?

3 hours and 3 minutes is the average flight time from Frankfurt to Kos.

Which airlines fly direct from Frankfurt to Kos?

Condor, TUIfly and Discover Airlines fly direct from Frankfurt to Kos.

How many flights are there a week from Frankfurt to Kos?

As of March 2026, there are 19 flights per week flying from Frankfurt to Kos.

When is the cheapest time to fly from Frankfurt to Kos?

The cheapest month to fly from Frankfurt to Kos is usually June.

Which upcoming date is cheapest to fly from Frankfurt to Kos Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Frankfurt to Kos Airport on Tuesday, 2 June 2026.

Can I get a direct flight from Frankfurt to Kos Airport?

Yes – the average flight time is 3 hours and 3 minutes.

How can I find the best flight deal to Kos?

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.

When is the best time to book flights to Kos?

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.

Flying from Frankfurt to Kos Ippokratis International Airport (KGS): What you need to know

Frankfurt Airport (FRA) is Frankfurt's main airport. Explore your options for reserving a flight from Frankfurt to Kos Ippokratis International Airport (KGS) departing from here.
Around 3 hours 5 minutes is how long you'll be travelling on a direct Frankfurt to Kos Ippokratis International Airport flight.
Kos Ippokratis International Airport is located in Kos. The city is in the UTC+2 timezone and is one hour ahead of Frankfurt.
Frankfurt Airport (FRA) to Kos Ippokratis International Airport (KGS) is the busiest route, with 6 direct services each week. You can travel from FRA to KGS on EW Discover's 4:50am flight.
Your flight from Frankfurt to KGS won't wait if you're running late, so show up at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.
During popular months like August, it's a good idea to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for international flights when you travel during a peak period in general.

Airports in Frankfurt

Frankfurt Airport (FRA)

Get to your destination in one go from Frankfurt Airport (FRA). Nonstop flights from Frankfurt to Kos Ippokratis International Airport (KGS) operate from here.
You can book a direct flight from Frankfurt to Kos Ippokratis International Airport with Condor. This well-known airline offers services from FRA.
Condor sees the most traveller bookings for flights from FRA to KGS.
A stopover is the perfect opportunity to take a break from travelling and perhaps even explore a different city. When browsing cheap flights from Frankfurt to KGS leaving from Frankfurt Airport (FRA), deselect the 'Direct flights only' box to get ideas for where to visit along the way. Top options include:
- Munich Franz Joseph Strauss Airport (MUC)
- Athens Eleftherios Venizelos International Airport (ATH)
- Stuttgart Airport (STR)
Located around 11 kilometres from central Frankfurt, FRA can be reached in about 25 minutes by car (depending on traffic). The journey by public transport takes roughly 20 minutes.
Looking for a comfortable hotel near Frankfurt Airport? If you're catching an early flight from Frankfurt to Kos Ippokratis International Airport, these stays will have you sleeping just around the corner from the terminal:
Of all flights departing from Frankfurt Airport, 67% land on time at their destination.

Frankfurt Hahn Airport (HHN)

Make the most of your trip with a stopover on your flight from Frankfurt to Kos Ippokratis International Airport. Check out these connections between Frankfurt Hahn Airport and KGS:
- Manchester Airport (MAN)
- Milan Bergamo Airport (BGY)
- Thessaloniki International Makedonia Airport (SKG)
With public transport, you can travel from central Frankfurt to HHN in around 2 hours 10 minutes. The airport is roughly 121 kilometres away, and getting there by car will take approximately 1 hour 25 minutes.
Start your holiday sooner with an extra night away from home. Before your Frankfurt to KGS flight, stay in one of these hotels near Frankfurt Hahn Airport:
When it comes to flight punctuality, Frankfurt Hahn Airport has an on-time arrival rate of 53%.

About Kos Ippokratis International Airport (KGS)

Have a late flight from Frankfurt to Kos Ippokratis International Airport? Don't let it hijack your sleep schedule. Check in to one of these hotels near KGS and be in snooze mode sooner:
Go wherever you want, whenever you want with a Kos Ippokratis International Airport rental car. Book your wheels from Abbycar, Green Motion or Caldera and discover more of Kos and beyond.
Booking your vehicle around three weeks ahead of your Frankfurt to Kos Ippokratis International Airport flight can help you find the best deal.

Getting from Kos Ippokratis International Airport (KGS) to central Kos

From Kos Ippokratis International Airport, central Kos is around 26 kilometres away. It takes about 30 minutes to reach the city centre by car.
Travelling on public transport takes roughly 40 minutes.

How to find the cheapest flights from Frankfurt to Kos Ippokratis International Airport (KGS)

The lowest price we've found for a one-way ticket from Frankfurt to Kos Ippokratis International Airport is $134. For a return flight on this route, the best price is $329. Depending on how early you book and the availability, these fares could change.
To snap up cheap flights from Frankfurt to KGS, book your plane ticket five months before your planned departure.
Organise your trip for October. That's the best month for landing an incredible deal on Frankfurt to Kos Ippokratis International Airport tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the lowest price across each month.
There's no need to search every day to find out if fares have dropped when you create a Price Alert. We'll notify you as soon as a lower fare pops up on plane tickets from Frankfurt to KGS.
Filters make it easier to find a bargain for your flight from Frankfurt to Kos Ippokratis International Airport. Pick the flight times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

More about Kos

When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Kos right here. Browse these hotels as soon as you've booked your flight from Frankfurt to Kos Ippokratis International Airport:
All great holidays should include some sightseeing. Paradise Beach, Agios Stefanos Beach and Xerokambos (Exotic Beach) are must-visits when exploring Kos.

Explore more of Greece

Kos has plenty going for it, but there are so many other parts of Greece waiting to be discovered. Around 290 kilometres southwest of Kos, a trip to Rethymno will keep your itinerary packed. Check out popular attractions like Rethymnon Old Town, Rethymnon beach and Venetian Harbour.
Mytilene is another must-experience destination in Greece and is around 257 kilometres north of Kos. No trip is complete without dropping by Castle of Mytilene, Byzantine Museum and Mytilene Castle.