KGS

$1,900 Find Cheap Flights to Kos – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
$1,846
Typical prices: $2,354-$2,965
Multiple Airlines
Fri 20/4Sun 20/5
SYD - KGS • 2 stops
Top airlines
Emirates
Best reviews • 8.1 score
Airline reviews
Airline reviews
Top routes
DRW - KGS
Cheapest • 7% average savings
SYD - KGS
Most popular
Insights
Insights
When to travel
April
Cheapest • 35% price drop
June
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Kos!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights to Kos

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

Recent return flight deals to Kos

Tue, 20 Apr - Thu, 20 May
Multiple Airlines Logo
15:40 - 21:55Sydney  Sydney Kingsford Smith-Kos Kos
37h 15m2 stops Abu Dhabi Zayed Intl Athens Eleftherios V.
Multiple Airlines Logo
22:25 - 16:50Kos  Kos-Sydney Sydney Kingsford Smith
35h 25m2 stops Athens Eleftherios V. Abu Dhabi Zayed Intl
$1,846Multiple Airlines
15 hours ago
Sat, 17 Apr - Tue, 18 May
Etihad Airways Logo
20:50 - 08:05Sydney  Sydney Kingsford Smith-Kos Kos
42h 15m2 stops Abu Dhabi Zayed Intl Athens Eleftherios V.
Etihad Airways Logo
08:35 - 06:10Kos  Kos-Sydney Sydney Kingsford Smith
38h 35m2 stops Athens Eleftherios V. Abu Dhabi Zayed Intl
$1,900Etihad Airways
15 hours ago
Mon, 19 Apr - Wed, 19 May
Multiple Airlines Logo
20:55 - 21:55Sydney  Sydney Kingsford Smith-Kos Kos
32h 00m2 stops Doha Hamad Intl Athens Eleftherios V.
Multiple Airlines Logo
09:20 - 17:05Kos  Kos-Sydney Sydney Kingsford Smith
24h 45m2 stops Athens Eleftherios V. Doha Hamad Intl
$1,957Multiple Airlines
15 hours ago
Mon, 19 Apr - Thu, 20 May
Multiple Airlines Logo
20:55 - 17:35Sydney  Sydney Kingsford Smith-Kos Kos
27h 40m2 stops Doha Hamad Intl Athens Eleftherios V.
Multiple Airlines Logo
06:00 - 17:55Kos  Kos-Sydney Sydney Kingsford Smith
28h 55m2 stops Athens Eleftherios V. Doha Hamad Intl
$1,967Multiple Airlines
15 hours ago
Mon, 19 Apr - Fri, 21 May
Multiple Airlines Logo
20:55 - 17:35Sydney  Sydney Kingsford Smith-Kos Kos
27h 40m2 stops Doha Hamad Intl Athens Eleftherios V.
Multiple Airlines Logo
08:35 - 17:55Kos  Kos-Sydney Sydney Kingsford Smith
26h 20m2 stops Athens Eleftherios V. Doha Hamad Intl
$2,047Multiple Airlines
15 hours ago
Sun, 18 Apr - Fri, 21 May
Etihad Airways Logo
20:50 - 08:05Sydney  Sydney Kingsford Smith-Kos Kos
42h 15m2 stops Abu Dhabi Zayed Intl Athens Eleftherios V.
Etihad Airways Logo
08:35 - 06:10Kos  Kos-Sydney Sydney Kingsford Smith
62h 35m2 stops Athens Eleftherios V. Abu Dhabi Zayed Intl
$2,081Etihad Airways
15 hours ago
Mon, 25 Jan - Sun, 31 Jan
Multiple Airlines Logo
18:05 - 11:30Melbourne  Melbourne-Kos Kos
26h 25m2 stops Abu Dhabi Zayed Intl Athens Eleftherios V.
Multiple Airlines Logo
16:15 - 16:45Kos  Kos-Melbourne Melbourne
39h 30m2 stops Athens Eleftherios V. Abu Dhabi Zayed Intl
$2,133Multiple Airlines
1 day ago
Mon, 25 Jan - Sun, 31 Jan
Etihad Airways Logo
18:05 - 11:30Melbourne  Melbourne-Kos Kos
26h 25m2 stops Abu Dhabi Zayed Intl Athens Eleftherios V.
Etihad Airways Logo
16:15 - 16:45Kos  Kos-Melbourne Melbourne
39h 30m3 stops Athens Eleftherios V. Rome Fiumicino Abu Dhabi Zayed Intl
$2,191Etihad Airways
1 day ago
Mon, 19 Apr - Wed, 19 May
SWISS Logo
15:00 - 10:20Sydney  Sydney Kingsford Smith-Kos Kos
74h 20m3 stops Singapore Changi Brussels Bruxelles-National Zurich
SWISS Logo
20:40 - 10:25Kos  Kos-Sydney Sydney Kingsford Smith
54h 45m2 stops Zurich Singapore Changi
$2,503SWISS
15 hours ago
Tue, 20 Apr - Thu, 20 May
Multiple Airlines Logo
20:55 - 00:35Sydney  Sydney Kingsford Smith-Kos Kos
34h 40m2 stops Doha Hamad Intl Athens Eleftherios V.
Multiple Airlines Logo
13:05 - 19:35Kos  Kos-Sydney Sydney Kingsford Smith
47h 30m3 stops Athens Eleftherios V. Doha Hamad Intl Kuala Lumpur Intl
$2,510Multiple Airlines
15 hours ago
Booking Insights

Price, demand, and travel trends for flights to Kos

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

What is the cheapest flight to Kos?

Sydney to Kos is the cheapest route at $1,846 return, found in the past 5 days on KAYAK. KAYAK data shows this is also the most popular route.

How much is a flight to Kos?

On average, a return flight from Australia to Kos costs $2,628, based on KAYAK data over the past 12 months. Return fares from Darwin average $2,351, while Melbourne Airport runs a bit higher at $2,418.

What is the cheapest day to fly to Kos?

Saturday is the cheapest day to fly to Kos at $2,324 return on average over the past 12 months on KAYAK. Tuesday is the most expensive at $2,943.

What is the cheapest time of day to fly to Kos?

Evening flights to Kos are the cheapest at $2,539 return on average. Night flights are the most expensive at $2,702.

What is a good deal for flights to Kos?

Flights under $2,354 are considered a good deal. 25% of KAYAK users found return flights to Kos at or below these prices, with the lowest fares from:
•Darwin $2,116
•Melbourne Airport $2,268.

Find deals

Key details for flights to Kos

Cheapest flight

$1,846
The most popular month to fly with an average 96% increase in traveller numbers.
Round-trip flight from Sydney to Kos

When to book flights to Kos

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

Your questions about flights to Kos, answered

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

  • How do I know if a flight to Kos is a good deal?

    A good deal on a flight to Kos is around $2,354 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • Which city has the cheapest flights to Kos?

    Based on fares booked in the past 5 days, the cheapest flights to Kos are from Melbourne, starting at $2,133 return.

  • Which airlines should I consider for flights to Kos?

    Emirates is the most popular airline for KAYAK users flying to Kos and has the best on-time record at the destination's main airport.

Your guide to booking Kos flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For flights to Kos, a good return fare is around $2,354. If you find a fare below that, you're getting a strong deal.
  • If your travel dates are flexible, consider flying to Kos in April. Return fares historically average $1,698, making April the cheapest month to travel based on KAYAK data from the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to afternoon to save up to $163 on a return flight. Afternoon flights to Kos average $2,539 compared to $2,702 for evening flights.

Travelling to a place near Kos?

Book flights to Kos if you plan to visit one of these locations
Kardamena

More options for your flight to Kos