ATH - KGS

₪244 Find Cheap Flights from Athens to Kos - Compare and Save

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Everything you should know

Cheapest round-trip
₪358
Typical prices: ₪418–₪636
Aegean Airlines
Tue 09.10Thu 11.10
ATH - KGS • Non-stop
Cheapest one-way
₪244
Typical prices: ₪232-₪385
Aegean Airlines
Fri 26.10
ATH - KGS • Non-stop
Nonstop flights
You can fly nonstop with Aegean Airlines and Sky Express. Average duration is 1h 01m
Nonstop flights
+1
Nonstop flights
+1
Avoid delays
Most punctual • 78% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 37% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 38% price drop
Most popular
Good to know
+1
Good to know
+1
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Booking Insights
Flight Deals

Cheap Flights from Athens to Kos (ATH-KGS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Athens to Kos

Fri, 9 Oct - Sun, 11 Oct
Aegean Airlines Logo
06:35 - 07:35ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Aegean Airlines Logo
07:55 - 08:55KGS  Kos-ATH Athens Eleftherios V.
1h 00mnonstop
₪358Aegean Airlines
Wed, 23 Sep - Wed, 30 Sep
Aegean Airlines Logo
06:20 - 07:20ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Aegean Airlines Logo
06:00 - 07:10KGS  Kos-ATH Athens Eleftherios V.
1h 10mnonstop
₪505Aegean Airlines
Fri, 25 Sep - Mon, 28 Sep
Aegean Airlines Logo
06:20 - 07:20ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Aegean Airlines Logo
06:00 - 07:10KGS  Kos-ATH Athens Eleftherios V.
1h 10mnonstop
₪539Aegean Airlines
Sun, 29 Nov - Thu, 3 Dec
Sky Express Logo
10:30 - 11:30ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Sky Express Logo
12:00 - 13:00KGS  Kos-ATH Athens Eleftherios V.
1h 00mnonstop
₪545Sky Express
Sun, 29 Nov - Thu, 3 Dec
Sky Express Logo
10:30 - 11:30ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Sky Express Logo
12:00 - 13:00KGS  Kos-ATH Athens Eleftherios V.
1h 00mnonstop
₪593Sky Express
Fri, 9 Oct - Sun, 11 Oct
Aegean Airlines Logo
06:35 - 07:35ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Aegean Airlines Logo
11:50 - 19:10KGS  Kos-ATH Athens Eleftherios V.
7h 20m1 stop Thessaloniki Makedonia
₪650Aegean Airlines
Wed, 23 Sep - Wed, 30 Sep
Aegean Airlines Logo
06:20 - 07:20ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Aegean Airlines Logo
20:00 - 00:20KGS  Kos-ATH Athens Eleftherios V.
4h 20m1 stop Thessaloniki Makedonia
₪719Aegean Airlines
Fri, 9 Oct - Mon, 12 Oct
Aegean Airlines Logo
07:00 - 11:20ATH  Athens Eleftherios V.-KGS Kos
4h 20m1 stop Thessaloniki Makedonia
Aegean Airlines Logo
08:10 - 09:15KGS  Kos-ATH Athens Eleftherios V.
1h 05mnonstop
₪743Aegean Airlines
Mon, 21 Sep - Mon, 28 Sep
Aegean Airlines Logo
14:45 - 21:20ATH  Athens Eleftherios V.-KGS Kos
6h 35m1 stop Thessaloniki Makedonia
Aegean Airlines Logo
06:00 - 07:10KGS  Kos-ATH Athens Eleftherios V.
1h 10mnonstop
₪755Aegean Airlines
Fri, 2 Oct - Sun, 4 Oct
Aegean Airlines Logo
06:35 - 07:35ATH  Athens Eleftherios V.-KGS Kos
1h 00mnonstop
Aegean Airlines Logo
11:50 - 19:10KGS  Kos-ATH Athens Eleftherios V.
7h 20m1 stop Thessaloniki Makedonia
₪785Aegean Airlines
Booking Insights

Price, demand, and travel trends for Athens to Kos flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Athens to Kos with more confidence.

How much is a round-trip flight from Athens to Kos?

Round-trip flights from Athens to Kos start at ₪358. Prices are below average for this route right now, with typical round-trip fares ranging from ₪418 to ₪636. The lowest price found in the past 5 days was ₪358 on Aegean Airlines.

What's the cheapest day of the week to fly from Athens to Kos?

Monday is the cheapest day of the week to fly from Athens to Kos and is 10% cheaper than the average day. Tuesday is the most expensive day, with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Athens to Kos?

  • December is the cheapest month to fly from Athens to Kos at ₪319 round-trip.
  • August (₪653) and July (₪596) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 104% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Athens to Kos the cheapest?

Flights from Athens to Kos are cheapest 17 weeks before departure. Booking in this window typically costs about 37% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Athens to Kos flights

Low season

January

Cheapest flight

₪244
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 15% increase in price.
Flight from Athens to Kos

When to book flights from Athens to Kos

Are your dates flexible? Find out the best times to travel from Athens to Kos based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Athens to Kos flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airlines have lounges at the Athens International Airport?

    Several airlines operate their lounges at Athens (ATH) Airport, and travelers won’t have challenges getting a place to relax before their flight. For example, the Aegean Business Lounge is located in Departures Area A. It is accessible to any traveler regardless of the carrier or class, provided they agree to pay for the day’s pass.

  • Which is the best way to get to downtown Kos from Kos Airport?

    Taxis provide the fastest way to get from Kos Airport (KGS) to the city center of Kos, taking the journey in about 27 minutes. Buses run along this route too, taking around 1 hour to get there. This service is ideal if you are on a budget and want to save money.

  • What is the carry-on limit for the airlines flying between Athens and Kos?

    Usually, the maximum allowable on-board size and weight for hand luggage varies from one airline to another. Aegean Airlines has maximum hand luggage of up to 29 lbs and dimensions up to 22 x 18 x 10 in. For SKY Express, the carry-on baggage should be at most 13 lbs, and the sizes should be 21 x 15 x 8 in.

  • Which airlines offer family services on trips between Atghens to Kos?

    Aegean Air and SKY Express are parents’ favorites as they feature many amenities for every family, including the young and the young at heart. The carrier boasts spacious seats with extra legroom. Lastly, they have kid-friendly to engage the little ones throughout the journey.

  • Which airlines offer extra legroom and free seat selection on Athens to Kos flights?

    Among airlines operating Athens to Kos flights:

    • Aegean Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Athens to Kos?

    2 airlines operate flights between Athens and Kos. The airlines offering direct flights on this route include:

    • Aegean Airlines
    • Sky Express

  • Which airports can I use when flying from Athens to Kos?

    Flights from Athens to Kos usually depart from Athens Eleftherios V. (ATH) and arrive at Kos (KGS).

  • Which airlines include bags at no extra cost on Athens to Kos flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Aegean Airlines: a cabin bag and a checked bag in Economy Class
    • Sky Express: a cabin bag and a checked bag in Economy Class
    • Hahn Air Systems: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What is the standard checked bag allowance on flights from Athens to Kos?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge ₪75–₪301 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Athens to Kos?

    The ATR 42 / ATR 72 family is used most often on this route, operated mainly by Sky Express and Hahn Air Systems. Other aircraft seen on the route include ATR 72-201 / 202 variants.

  • Can I save money by using flexible dates for flights from Athens to Kos?

    Yes. Being flexible with your travel dates can save you up to 15% on the Athens to Kos route. Monday is the cheapest departure day at ₪466 round-trip on average, while Tuesday is the most expensive at ₪548, a difference of ₪81. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight from Athens to Kos considered delayed?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Athens to Kos route, 23% of flights were delayed in the past 3 months, with delays averaging 1 hour 17 minutes.

  • How are flight departures from Athens to Kos spread across the day?

    Morning is the busiest departure period on Athens to Kos flights, with 34% of flights leaving in that window. Afternoon departures account for 34%, evening flights for 16%, and night flights for 16%.

  • What are the earliest and latest flights from Athens to Kos?

    These are the earliest and latest flight times available from Athens to Kos:

    • Earliest: departs at 06:20 and lands at 07:21
    • Latest: departs at 23:35 and lands at 00:36.

    The flight takes about 1h 01m.

  • How expensive are last-minute Athens to Kos flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 19% above the route average of ₪518. Book 17 weeks before departure for the lowest fares.

  • How long is a flight from Athens to Kos?

    A nonstop flight from Athens to Kos takes 1h 01m, covering 491 km.

  • Do I need a passport to fly from Athens to Kos?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Athens to Kos changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about ₪358 to ₪1,403. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Athens to Kos looking right now?

    One-way fares from Athens to Kos are currently higher than usual. Average one-way flight prices are about ₪481, which is 64% above the typical average for this route.

  • How do delay rates compare for morning and evening flights from Athens to Kos?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • Which car rental options are available at Kos Airport (KGS)?

    Kos Airport (KGS) hosts 5 major car rental companies, with daily rates starting from around ₪26 for economy cars. Top options include:
    · ABBYCAR
    · Exer Rent a Car
    · Caldera
    · Europcar
    · Alma Car Hire

  • How much should I expect to pay for a Athens to Kos flight?

    Round-trip flights from Athens to Kos range from ₪418 to ₪636, with an average of ₪518 over the past 12 months. Anything below ₪418 counts as a good deal.

Your guide to booking Athens to Kos flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Tuesday. On this route, Monday flights average ₪466 - about ₪81 less than Tuesday (15% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 37% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Athens to Kos trip for December. Fares historically average ₪319 round-trip in that month - typically ₪334 less than the most expensive month, which is August (based on the last 12 months).
  • If arriving on time is high on your priority list, Sky Express is the strongest pick on this route. 78% of Sky Express flights from Athens to Kos arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 77%. When flights on this route do arrive late, the average delay is 1 hour17 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • Athens International Airport, El. Venizelos (ATH) is a hub for Aegean Airlines, Olympic Air, Ryanair, Volotea and Sky Express. These airlines provide nonstop flights to other destinations locally and internationally, primarily to European capitals and some smaller European cities. Flying aboard these carriers guarantees excellent services at ATH. Besides, you will have access to a wide range of nonstop flights to Kos Airport (KGS).
  • Although Athens (ATH) to Kos (KGS) is a short flight, the airlines operating along this route allow passengers to upgrade their Economy seats to Business. To enjoy this chance, keep an ear on the announcement during reservation, check-in, or at the boarding gate. Still, checking with your preferred airline before traveling might be helpful.
  • You can conveniently fly with your four-legged friends from Athens International Airport, El. Venizelos (ATH) to Kos Airport (KGS). Sky Express and Aegean allow domestic furry friends like cats and dogs into their cabins. However, those tagging pets must restrain them in their lockers throughout the trip.
  • Both Athens International Airport, El. Venizelos (ATH) and Kos Airport (KGS) collaborate with various airlines to provide essential services for passengers with mobility limitations. Both the departure and arrival airports have well-trained staff willing to assist with movement through security checks. The washrooms are accessible, and wheelchairs are available on request.
  • After landing at Kos Airport (KGS), remember that the facility serves other towns in the neighborhood beyond Kos Island. As such, if you intend to explore towns like Athikia, Tolon, Akraifnion, Kokkinon, or Larimna, fly into KGS first before getting there by bus, taxi, or car rental.

Prefer to fly non-stop from Athens Eleftherios V. to Kos?

 
Find which airlines fly direct from Athens Eleftherios V. Airport to Kos Airport, which days they fly and book direct flights.

Nonstop departures

Athens Eleftherios V. to Kos

Monday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Tuesday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Wednesday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Thursday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Friday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Saturday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Sunday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

See more direct flights

Nonstop returns

Kos to Athens Eleftherios V.

Monday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Tuesday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Wednesday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Thursday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Friday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Saturday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

Sunday

Aegean Airlines,Sky Express

Aegean Airlines,Sky Express

See more direct flights

More options for your flight from Athens to Kos

Complete your trip to Kos with a hotel stay or car rental