$80 Cheap Flights from Kos (KGS) to Frankfurt (FRA)

View $80 flight on Sun, Aug 3, 2025Opens in a new window

Popular airlines from Kos (KGS-Kos Island Intl.) to Frankfurt Airport (FRA)

Cheap Flights from Kos to Frankfurt (KGS-FRA)

Prices were available within the past 7 days and start at $80 for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SKY express
Tue, Nov 11 - Wed, Nov 19
KGS
Kos
FRA
Frankfurt
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select SKY express flight, departing Tue, Nov 11 from Kos to Frankfurt, returning Wed, Nov 19, priced at $334 found 1 day ago
Aegean
Tue, Nov 11 - Wed, Nov 19
KGS
Kos
FRA
Frankfurt
$336 Roundtrip, found 1 day ago
$336
Roundtrip
found 1 day ago
Select Aegean flight, departing Tue, Nov 11 from Kos to Frankfurt, returning Wed, Nov 19, priced at $336 found 1 day ago
Aegean
Tue, Nov 11 - Wed, Nov 19
KGS
Kos
FRA
Frankfurt
$345 Roundtrip, found 1 day ago
$345
Roundtrip
found 1 day ago
Select Aegean flight, departing Tue, Nov 11 from Kos to Frankfurt, returning Wed, Nov 19, priced at $345 found 1 day ago
Aegean
Tue, Nov 11 - Wed, Nov 19
KGS
Kos
FRA
Frankfurt
$352 Roundtrip, found 1 day ago
$352
Roundtrip
found 1 day ago
Select Aegean flight, departing Tue, Nov 11 from Kos to Frankfurt, returning Wed, Nov 19, priced at $352 found 1 day ago
Aegean
Tue, Nov 11 - Wed, Nov 19
KGS
Kos
FRA
Frankfurt
$361 Roundtrip, found 1 day ago
$361
Roundtrip
found 1 day ago
Select Aegean flight, departing Tue, Nov 11 from Kos to Frankfurt, returning Wed, Nov 19, priced at $361 found 1 day ago
Aegean
Tue, Nov 11 - Wed, Nov 19
KGS
Kos
FRA
Frankfurt
$364 Roundtrip, found 1 day ago
$364
Roundtrip
found 1 day ago
Select Aegean flight, departing Tue, Nov 11 from Kos to Frankfurt, returning Wed, Nov 19, priced at $364 found 1 day ago
Aegean
Tue, Nov 11 - Wed, Nov 19
KGS
Kos
FRA
Frankfurt
$380 Roundtrip, found 1 day ago
$380
Roundtrip
found 1 day ago
Select Aegean flight, departing Tue, Nov 11 from Kos to Frankfurt, returning Wed, Nov 19, priced at $380 found 1 day ago
Brussels Airlines
Mon, Aug 4 - Thu, Aug 14
KGS
Kos
FRA
Frankfurt
$387 Roundtrip, found 3 days ago
$387
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Mon, Aug 4 from Kos to Frankfurt, returning Thu, Aug 14, priced at $387 found 3 days ago
Austrian Airlines
Mon, Aug 4 - Thu, Aug 14
KGS
Kos
FRA
Frankfurt
$387 Roundtrip, found 3 days ago
$387
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Aug 4 from Kos to Frankfurt, returning Thu, Aug 14, priced at $387 found 3 days ago
British Airways
Mon, Aug 4 - Thu, Aug 14
KGS
Kos
FRA
Frankfurt
$779 Roundtrip, found 3 days ago
$779
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Aug 4 from Kos to Frankfurt, returning Thu, Aug 14, priced at $779 found 3 days ago
Flights from Kos (KGS) to Frankfurt (FRA)
Origin airport
Kos Island Intl.
Destination airport
Frankfurt Intl.
Airlines serving
Aegean, SKY express
Roundtrip price
$333
Distance
1297 mi
Average flight time
2 hours 18 mins

Kos to Frankfurt Flights

The cheapest times to fly from Kos to Frankfurt

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 Kos to Frankfurt are during the month of November. You can find some of the cheapest flights from Kos to Frankfurt with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kos to Frankfurt

Sunday is one of the best days to book for cheap flights from Kos to Frankfurt: 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 Kos to Frankfurt

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 Kos to Frankfurt in 2025. You can also book with separate airlines for your outbound and return journeys, from $80 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 Kos to Frankfurt 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 Kos to Frankfurt 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.

 

Frequently asked questions

How much does a flight from Kos Island Intl. Airport (KGS) to Frankfurt Intl. Airport (FRA) cost?
Book cheap return tickets starting from $288 from Kos Island Intl. Airport (KGS) to Frankfurt Intl. Airport (FRA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Condor flight leaving KGS on August 1 2025 and touching down at FRA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from KGS to FRA?
The cheapest flights from KGS to FRA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KGS to FRA?
With prices as low as $217 for a one-way journey from KGS to FRA, Condor is currently the cheapest airline operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KGS on September 25 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Kos Island Intl. Airport (KGS) to Frankfurt Intl. Airport (FRA)?
You'll need to take a flight with a layover if you're traveling from Kos Island Intl. Airport (KGS) to Frankfurt Intl. Airport (FRA). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from KGS to FRA?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kos Island Intl. Airport (KGS) to Frankfurt Intl. Airport (FRA)?
To reach Frankfurt Intl. Airport (FRA) on schedule, pick a flight that leaves from Kos Island Intl. Airport (KGS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Kos Island Intl. Airport (KGS) to Frankfurt Intl. Airport (FRA) last-minute?
Holding off until just before your trip to book a ticket from KGS to FRA often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a KGS to FRA flight and hotel package?
You'll generally save money by booking a KGS to FRA 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 it all in one convenient place. After choosing your ideal accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Kos Island Intl. Airport (KGS) to Frankfurt Intl. Airport (FRA)?
If you booked your KGS to FRA flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.