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Cheap flights from Kos to Athens from C$ 92

KGS — ATH
10 Oct — 17 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kos to Athens

Enter your travel dates to find the best prices.

Cheapest flights from Kos to Athens

Mon 5/106:00 a.m. -
Nonstop1h 10m
Tue 6/1011:35 p.m. -
Nonstop1h 00m
Deal found 6/9C$ 163
Thu 15/108:10 a.m. -
Nonstop1h 10m
Sun 18/106:35 a.m. -
Nonstop1h 00m
Deal found 9/9C$ 164
Mon 26/108:25 a.m. -
Nonstop1h 05m
Mon 2/1112:30 p.m. -
Nonstop1h 05m
Deal found 8/9C$ 181
Mon 26/108:25 a.m. -
Nonstop1h 05m
Mon 26/1012:30 p.m. -
Nonstop1h 05m
Deal found 7/9C$ 196
Tue 22/128:35 p.m. -
Nonstop1h 05m
Sun 3/16:50 a.m. -
Nonstop0h 55m
Deal found 7/9C$ 265
Mon 23/118:40 p.m. -
Nonstop0h 55m
Sun 29/112:40 p.m. -
1 stop4h 50m
Deal found 9/9C$ 323
Wed 9/98:00 p.m. -
1 stop4h 20m
Sun 13/97:45 a.m. -
Nonstop1h 05m
Deal found 9/9C$ 346
Fri 11/99:20 a.m. -
Nonstop1h 10m
Fri 11/91:10 p.m. -
1 stop7h 10m
Deal found 10/9C$ 358

Find flight deals from Kos to Athens

Round-trip from

C$ 163

One-way from

C$ 92

Popular in

August

Cheapest in

January

Average price

C$ 210
Aegean Airlines
  • Aegean Airlines
  • 5/10-6/10
  • Nonstop
  • 2h 10m total
  • Kos to Athens
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Sky Express
  • Sky Express
  • 30/10-31/12
  • Nonstop
  • 1h 00m total
  • Kos to Athens
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Highest demand for flights based on searches. 23% potential increase in price (C$ 88 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Kos to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Wed 28/10

8:25 a.m.-9:30 a.m.

Nonstop1h 05m

Athens Eleftherios V.

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 103

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Tue 22/9

6:00 a.m.-7:10 a.m.

Nonstop1h 10m

Athens Eleftherios V.

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 120
Quickest round-trip

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Mon 21/9

7:55 a.m.-8:55 a.m.

Nonstop1h 00m

Athens Eleftherios V.

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 138

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Sun 20/9

9:20 a.m.-10:30 a.m.

Nonstop1h 10m

Athens Eleftherios V.

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 150

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Mon 5/10

6:00 a.m.-7:10 a.m.

Nonstop1h 10m

Athens Eleftherios V.

Tue 6/10

11:35 p.m.-12:35 a.m.

Nonstop1h 00m

C$ 163

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Mon 26/10

8:25 a.m.-9:30 a.m.

Nonstop1h 05m

Athens Eleftherios V.

Mon 2/11

12:30 p.m.-1:35 p.m.

Nonstop1h 05m

C$ 181

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Mon 26/10

8:25 a.m.-9:30 a.m.

Nonstop1h 05m

Athens Eleftherios V.

Mon 26/10

12:30 p.m.-1:35 p.m.

Nonstop1h 05m

C$ 196

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Sat 14/11

5:25 p.m.-8:45 p.m.

1 stop3h 20m

Athens Eleftherios V.

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 204

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Wed 23/9

8:00 p.m.-12:20 a.m.

1 stop4h 20m

Athens Eleftherios V.

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 218

KosAthens

KGS Kos - ATH Athens Eleftherios V.

KGSATH

Kos

Thu 11/2

9:45 p.m.-10:45 p.m.

Nonstop1h 00m

Athens Eleftherios V.

Sun 14/2

10:30 a.m.-11:30 a.m.

Nonstop1h 00m

C$ 239

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 13 resultsSorted by cheapest first
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Best time to book a flight from Kos to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from Kos with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Kos to Athens

What is the cheapest month to book a flight from Kos to Athens?

Currently, January is the cheapest month in which you can book a flight from Kos to Athens (average of C$ 145). Flying from Kos to Athens in August is currently the most expensive (average of C$ 327). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KGS to ATH?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kos to Athens as you normally would.

How much does it cost to fly round-trip from Kos to Athens?

Airfare is typical for this route at the moment.

Kos to Athens flights typically cost between C$ 141 and C$ 239 in October.
The cheapest round-trip price found within the last 5 days was C$ 163 on Aegean Airlines (5 Oct-6 Oct).

Related info for your journey

  • How popular is this Kos to Athens flight route?

    Within the past month, 1 users have taken a look at flights from Kos to Athens Eleftherios V..

  • How long is the flight from Kos to Athens?

    A quick flight from Kos to Athens can take about 1h 10m. Aegean Airlines provides one of the quickest options available for as low as C$ 163. The distance between Kos and Athens is about 304 km. Generally, flights for this route are direct.

  • What are the most reliable airlines from Kos to Athens?

    No one likes to see their flight delayed. When booking a flight from Kos to Athens consider choosing Aegean Airlines (55%), Olympic Air (54%) or Emirates (23%) as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from Kos to Athens that include hotel bookings?

    Yes. In addition to deals on Kos to Athens flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kos to Athens?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kos to Athens.

  • Can I find deals for business class flights from Kos to Athens?

    Yes. Cheapflights offers flight deals from Kos to Athens by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kos to Athens?

    Currently, January is the cheapest month in which you can book a flight from Kos to Athens (average of C$ 145). Flying from Kos to Athens in August is currently the most expensive (average of C$ 327). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Glyfada
Loutraki

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Alternative routes for Kos to Athens

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Naxos to Athens flights
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