£39 Cheap Flights from Kos (KGS) to Athens (ATH)

    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 25% on select hotels after you book a flight*
    payments icon
    Earn twice
    Earn your airline miles on top of our rewards

Cheap Flights from Kos (KGS) to Athens (ATH)

Prices were available within the past 7 days and start at £39 for one-way flights and £87 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Aegean
Aegean
Aegean
Aegean
Aegean
SKY express
Aegean
Aegean
Aegean
Flight from Kos to Athens route information
Origin airport
Kos Island Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
Aegean, SKY express
Return price
£86
Distance
303 km
Average flight time
1 hour 1 min

Compare flights from Kos to Athens easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Kos to Athens. Operating between them 9 flights per day, 20 airlines cover the route. And Olympic Air, Aegean Airlines, Emirates, Sky Express fly direct, getting you to Eleftherios Venizelos in just 0hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Kos Island Intl. to Eleftherios Venizelos.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Kos Island Intl. (KGS) to Eleftherios Venizelos (ATH) 

The easiest way to view the best deals on flights from Kos to Athens today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Kos Island Intl. to Eleftherios Venizelos start at just £87 and range up to £115.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Kos and Athens
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Kos to Athens flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Kos Island Intl. to Eleftherios Venizelos for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Kos Island Intl. Airport (KGS) to AIA Airport?
The lowest price advertised for a round-trip journey from KGS to Athens International Airport is £87. But you better act fast. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Kos Airport to Athens International Airport?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Kos Airport to Eleftherios Venizelos Airport (ATH) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Kos Island Intl. Airport (KGS) to Athens International Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Kos Airport to AIA Airport?
You can forget about a movie marathon on this flight — it’s only 310 kilometres from Kos to Spata-Artemida. Sit down, order some snacks and you’ll be touching down in next to no time.
Which airlines fly direct from Kos Airport to AIA Airport?
Sky Express (GQ) is one of the preferred choices for many travellers flying between Kos Island Intl. Airport (KGS) and Eleftherios Venizelos Airport (ATH). Select from the 73 flights it offers on this route each month. If you want more options, check out the deals with Aegean Airlines (A3). This airlines operates 69 flights a month between these airports.
Are KGS to AIA Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Kos Island Intl. Airport (KGS) to AIA Airport at the last minute could save you some serious cash. However, it could end up costing a good deal more! If you’d rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn’t released tickets yet, check back often as deals are updated all the time on Expedia.
Kos Airports

Leros Island

Astypalaia

Kalymnos

*Available to Expedia members.