KGS

61€ Find Cheap Flights from Frankfurt am Main to Kos – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Frankfurt am Main to Kos departing on 16.09.. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Kos

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Kos.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Frankfurt am Main to Kos.
Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
175 €
Ryanair
Mon 6.7.Mon 13.7.
HHN - KGS • 2 stops
Cheapest direct flights
178 €
Condor
Fri 26.6.Tue 30.6.
FRA - KGS • Direct
Top airlines
Cheapest • from 175 € (return)
Best reviews • 8,1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Direct flights
Every day
You can fly direct with TUI fly, Condor, and Discover Airlines. Average duration is 3h 07m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top routes
Cheapest • 41% average savings
Most popular
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 83% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Kos!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Frankfurt am Main to Kos

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Frankfurt am Main to Kos that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Frankfurt am Main to Kos

Mon, 6. Jul - Mon, 13. Jul
Ryanair Logo
20:45 - 18:25
HHN
-
KGS
20h 40m
2 stops
Ryanair Logo
23:00 - 15:00
KGS
-
HHN
17h 00m
2 stops
175 €Ryanair
Wed, 16. Sep - Sun, 20. Sep
Multiple Airlines Logo
6:05 - 17:15
HHN
-
KGS
10h 10m
1 stop
Multiple Airlines Logo
22:10 - 22:30
KGS
-
HHN
25h 20m
2 stops
176 €Multiple Airlines
Wed, 15. Jul - Wed, 22. Jul
Ryanair Logo
21:45 - 21:25
HHN
-
KGS
22h 40m
2 stops
Ryanair Logo
23:25 - 0:15
KGS
-
HHN
25h 50m
2 stops
177 €Ryanair
Tue, 30. Jun - Tue, 7. Jul
Ryanair Logo
11:55 - 20:25
HHN
-
KGS
7h 30m
1 stop
Ryanair Logo
20:55 - 8:25
KGS
-
HHN
12h 30m
1 stop
178 €Ryanair
Fri, 26. Jun - Tue, 30. Jun
Condor Logo
6:05 - 10:10
FRA
-
KGS
3h 05mdirect
Condor Logo
11:10 - 13:25
KGS
-
FRA
3h 15mdirect
178 €Condor
Tue, 30. Jun - Wed, 8. Jul
Ryanair Logo
11:55 - 20:25
HHN
-
KGS
7h 30m
1 stop
Ryanair Logo
14:55 - 0:55
KGS
-
HHN
11h 00m
1 stop
178 €Ryanair
Wed, 1. Jul - Tue, 7. Jul
Ryanair Logo
6:05 - 17:15
HHN
-
KGS
10h 10m
1 stop
Ryanair Logo
20:55 - 8:25
KGS
-
HHN
12h 30m
1 stop
180 €Ryanair
Wed, 24. Jun - Wed, 1. Jul
Multiple Airlines Logo
23:10 - 17:55
HHN
-
KGS
17h 45m
2 stops
Multiple Airlines Logo
17:40 - 14:30
KGS
-
HHN
21h 50m
2 stops
181 €Multiple Airlines
Tue, 7. Jul - Tue, 14. Jul
Condor Logo
15:00 - 19:05
FRA
-
KGS
3h 05mdirect
Condor Logo
11:10 - 13:25
KGS
-
FRA
3h 15mdirect
196 €Condor
Tue, 7. Jul - Tue, 14. Jul
Condor Logo
15:00 - 19:05
FRA
-
KGS
3h 05mdirect
Condor Logo
11:10 - 13:25
KGS
-
FRA
3h 15mdirect
200 €Condor
Booking Insights

KAYAK's insights & trends for Frankfurt am Main to Kos flights

Get data-powered insights and trends into flights from Frankfurt am Main to Kos to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from Frankfurt am Main to Kos?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from Frankfurt am Main to Kos departing in July.

What is the cheapest Frankfurt am Main to Kos flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Frankfurt am Main to Kos costs 137 € on the route between Cologne (CGN) and Kos (KGS). Over the past month, this route was, on average, 41% cheaper than other Frankfurt am Main-Kos routes. The most popular route is between Frankfurt am Main Airport (FRA) and Kos (KGS).

What’s the cheapest day of the week to fly from Frankfurt am Main to Kos?

The average price of all round-trip flights from Frankfurt am Main to Kos clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Kos on a Thursday and more expensive on a Wednesday. On your return trip to Frankfurt am Main, you should consider flying back on a Tuesday, and avoid Thursdays for better deals.

What is the cheapest month to fly from Frankfurt am Main to Kos?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Frankfurt am Main to Kos, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Frankfurt am Main to Kos is April, where tickets cost 73 € (return) on average. On the other hand, the most expensive months are March and November, where the average cost of round-trip tickets is 298 € and 297 € respectively.

How far in advance should I book a flight from Frankfurt am Main to Kos?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Frankfurt am Main to Kos, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Frankfurt am Main to Kos, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know - Cheap tickets from Frankfurt am Main to Kos

Cheapest flight61 €
Flight from Frankfurt-Hahn to Kos

When to book flights from Frankfurt am Main to Kos

Are your dates flexible? Find out the best times to travel from Frankfurt am Main to Kos based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Frankfurt am Main to Kos

  • What is the cheapest flight from Frankfurt am Main to Kos?

    In the last 3 days, the lowest price for a flight from Frankfurt am Main to Kos was 61 € for a one-way ticket and 175 € for a return.

  • Which airports will I be using when flying from Frankfurt am Main to Kos?

    When flying out of Frankfurt am Main you will be using one of these airports: Frankfurt am Main or Frankfurt-Hahn. You will be landing at Kos.

  • Which aircraft models fly most regularly from Frankfurt am Main to Kos?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Frankfurt am Main to Kos?

    Star Alliance is the only airline alliance operating flights between Frankfurt am Main and Kos.

  • How does KAYAK find such low prices on flights from Frankfurt am Main to Kos?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Frankfurt am Main to Kos.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Frankfurt am Main to Kos?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kos from Frankfurt am Main is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Frankfurt am Main to Kos?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Kos with an airline and back to Frankfurt am Main with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Frankfurt am Main to Kos?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kos from Frankfurt am Main up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Frankfurt am Main to Kos?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Frankfurt am Main to Kos.
Find which airlines fly direct from Frankfurt am Main to Kos Airport, which days they fly and book direct flights.

Direct departures

Frankfurt am Main to Kos

Monday

Discover Airlines,TUI fly

Discover Airlines,TUI fly

Tuesday

Condor,TUI fly

Condor,TUI fly

Wednesday

Discover Airlines,TUI fly

Discover Airlines,TUI fly

Thursday

Condor

Condor

Friday

Condor,TUI fly

Condor,TUI fly

Saturday

Condor,Discover Airlines,TUI fly

Condor,Discover Airlines, +1 more

Sunday

Condor

Condor

See more direct flights

Direct returns

Kos to Frankfurt am Main

Monday

Discover Airlines,TUI fly

Discover Airlines,TUI fly

Tuesday

Condor,TUI fly

Condor,TUI fly

Wednesday

Discover Airlines,TUI fly

Discover Airlines,TUI fly

Thursday

Condor

Condor

Friday

Condor,TUI fly

Condor,TUI fly

Saturday

Condor,Discover Airlines,TUI fly

Condor,Discover Airlines, +1 more

Sunday

Condor

Condor

See more direct flights

Reviews of the top 5 airlines flying from Frankfurt am Main to Kos

 
See real verified KAYAK customer reviews for airlines flying from Frankfurt am Main to Kos. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Frankfurt am Main to Kos? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8,1
Aegean AirlinesOverall score based on 877 reviews
7,9Comfort
7,4Food
7,8Boarding
8,6Crew
6,9Entertainment
Airline reviews

Highlights were the food and wonderful staff. Airplanes were exceptionally clean.

10,0 ExcellentAnonymous, Jun 2026
SKG - MUC
Read more Aegean Airlines reviews

Highlights were the food and wonderful staff. Airplanes were exceptionally clean.

Aegan Airlines compensates for its outdated business-class seats with excellent food and onboard crew service. Launge was also excellent.

For a business class, it barely met the standards of a basic economy on most carriers. The seat would barely recline; no pillow or blanket unless you ask a crew member; no leg rest (at least in the 1st row). The crew was friendly and attentive, except for one male crew member who was very inconsiderate toward many business passengers who were already sleeping or trying to sleep, slamming the doors of the kitchen compartments. He did so twice till another passenger complained to him. Overall, business class is an economy experience except for the food.

On every Aegean flight it seems, they ask people to check in carry on luggage. That seems to happen less often with other airlines for some reason. The food is very basic for a full service airline. We do not need a meal with trays, but something of higher quality (even just higher quality pies) would be better. The cabin crew was very nice and professional, though.

Seats that recline. Ice for soft drinks. No charge for did drinks. Wifi.

Internet not working during the flight - what a big miss!

Aegean Airlines was great! Great spirit, very helpful and efficient. Overall Aegean Airlines was a great experience.

The flight was excellent but the onboard WiFi wasn’t working.

The flight was full. The young man in the seat in front of me had reclined and I asked him to put the seat up just a bit because it was encroaching my space quite a lot. Turned out he couldn't because the mechanism was broken. The choice was all the way up or all the way down, no in-between.

The seat was hard as a rock. Business class seats were coach seats with no one in the middle. Service and food were excellent.

I’ve never heard of discover airlines but will definitely be on the lookout for future flights. Everything about the trip was perfect. The staff were exceedingly friendly and helpful. The only critique; there was a delay and gate change and this fact was NOT well published! My eTicket was NEVER updated with the new flight details. We ran the whole way from our connecting flight only to find that our flight was delayed. Very frustrating. Additionally, there was NO announcement regarding the root cause of the delay. The uncertainty about the cause of the delay contributes to the overall frustration. One other small matter onboard; one of the toilets was unavailable (or perhaps malfunctioning) and NO explanation was given nor was any workaround explained. It would have been less frustrating if they announced why the toilet was lock and explained the alternatives in detail. That way the foot traffic congestion could have been minimized.

Basically a low cost airline, with very small seats, mediocre food and staff not particularly nice. Not a pleasant flight

Plane was old and small. Crew was not very friendly and didn’t check in much or offer water more than 2 times over a 8 hour flight.

We were on a full-service fare as part of a long-haul trip so it was disappointing to be on such a no-frills flight (no meals/hot drinks/entertainment) especially for a 3.5hr flight, at the start of a long trip. The crew however we’re lovely & friendly.

The food on this flight was better than what we had getting to Rome. The flight was comfortable and the staff was great. One of the staff members was a stickler about the blankets in the aisle, which I get, but still. Overall, great flight and will fly with them again!

The crew were excellent, smiling and kind. The seats were good for economy though my seat back got a bit sticky from getting out of the reclining position. The food was good for a Kosher meal, better than usual. Entertainment was okay, but there was no Wi-fi available the entire flight. Overall the flight was fine for an overnight flight. The flight attendant in my section was absolutely delightful.

Fortunately the departure was delayed as I had a tight connection and the incoming flight was delayed. The departure delay helped me to make my connection. Thankfully, my luggage also could be transferred in the same time. The aircraft had to be changed and the power outlet in my seat didn’t work. Again luckily as the flight was not full, I could move to a different seat where the power outlet was working.

The legroom was lacking and the entertainment system lacked adequate selection of older films. Modern films are generally not very good.

No food, no entertainment, but that's normal for short-haul flight.

The flight attendants were wonderful - one man put my carry on in the bin for me. Very attentive service. Loved the blanket and pillow waiting for me in economy. Food was excellent which is a surprise given the reputation of any airline food. Wine was fine with the meals. Delighted with the new movies - flight went by very quickly. I would definitely fly Lufthansa again.

Everything was great…Flight Attendants were specially friendly and helpful.

Catastrophic experience the gate selected customers were picked up to.pay 70 eur for overweight 1-2 kg. While some others were let to board without chcking their carry on bags. Unecessaey drama by Lufthansa that brings nothing just hating them by customers.

My flight was cancelled, but it was not Kayak's fault. Kayak did require me to pay for the ticket twice to two different venders who paid Lufthansa. Kayak/Lufthansa owes me for the first booking I made first was fraudulent on the part of the subcontracting ticket seller. There will be litigation over this issue under the current passenger protection laws.

flight was half full, plenty of empty seats, was able to lie down across 4 seats, food was good, arrived on time

This Condir premium economy is terrible. All it is is a few extra inches of legroom in an economy seat. British airways premium economy is the same as a first class domestic seat, wider with more recline. Plus the flights were all late to leave, arrive, etc. terrible day.

Absolutely the worst food I ever had on any flight. Half of passengers simply didn't eat their meals, as I noticed.

Food could be better. Service was just ok without any enthusiasm...

The breakfast snack was horrible. No nutrition value. I couldn't finish it. The main meal had no taste, no real vegetable, the brownie had no chocolate taste., I was not even sure what the salad consists off.

Breakfast was terrible. Sugary yogurt, inferior pastry, poor quality fruits. No protein.

Our connection in Frankfurt was the worst ever. No one from the airline or the airport seemed to be bothered to get us into our connecting flight on time! The procedures at the airport took us forever and we barely made it into our flight. If we had missed it, I’m sure we would’ve missed our cruise. Looks like everything is on autopilot and no one is interested in helping customers anymore especially us 69 year olds

Crew was very responsive to give soft drinks etc.. At Frankfurt Airport Special Assistance did a great job for us. The seat cushions were simply bad and not up to the mark for Premium Economy which we chose. All the cushions from Business to Economy were poor. Also, any snack besides lunch and breakfast, you have to purchase including chips and chocolate. It is simply cheap. I don't think I will fly Condor anytime soon

The short leg flight was fine. Crew and airport were nice to allow special assistance which helped.

Planes are new and clean and staff is attentive. Food wasn't great and chair cushions were very uncomfortable for long haul flights.

The boarding process is a nightmare. They put you on a bus for 30 minutes with no air flow. The process was extremely slow and we were behind schedule so they auto rebooked us on a flight for our layover. The new flight was 4 hours later in the day, we landed an hour and 45 minutes before our layover flight so this was completely unnecessary. When I called to get us back on the original flight the support staff was useless

Everything you need to know for your flight from Frankfurt am Main to Kos

Information on your arrival and departure airports