This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — KGS
12 Dec — 19 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Sydney to Kos
Enter your travel dates to find the best prices.
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Cheapest flights from Sydney to Kos
Explore the most affordable flight options available from Sydney to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 November 2026.
Wed 23/1216:50 -
2 stops27h 40m
Mon 25/121:45 -
2 stops35h 00m
Deal found 7/11$3,002
Sat 26/1221:30 -
2 stops47h 00m
Sat 2/121:45 -
2 stops47h 45m
Deal found 11/11$3,589
Best flights from Sydney to Kos
Discover carefully curated flight deals from Sydney to Kos that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 November 2026.
Wed 23/1216:50 -
2 stops27h 40m
Mon 25/121:45 -
2 stops35h 00m
Deal found 7/11$3,002
Sat 26/1221:35 -
3 stops55h 30m
Sat 2/114:05 -
3 stops68h 20m
Deal found 11/11$4,234
Last-minute flights from Sydney to Kos
Discover last-minute flight deals from Sydney to Kos. Data last updated 12 November 2026 and is based on user searches.
Wed 23/1216:50 -
2 stops27h 40m
Mon 25/121:45 -
2 stops35h 00m
Deal found 7/11$3,002
Sat 26/1221:30 -
2 stops47h 00m
Sat 2/121:45 -
2 stops47h 45m
Deal found 11/11$3,589
Find flight deals from Sydney to Kos
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 November 2026.
Customise your flight search to find flights from Sydney to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 12 November 2026.
Use the filters below to find and compare flights from Sydney to Kos that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
Fastest return journey
SydneyKos
SYD Sydney Kingsford Smith - KGS Kos
SYDKGS
Sydney Kingsford Smith
Wed 23/12
16:50-11:30
2 stops27h 40m
Kos
Mon 25/1
21:45-17:45
2 stops35h 00m
$3,002
SydneyKos
SYD Sydney Kingsford Smith - KGS Kos
SYDKGS
Sydney Kingsford Smith
Sat 26/12
21:35-20:05
3 stops55h 30m
Kos
Sat 2/1
14:05-19:25
3 stops68h 20m
$4,234
Flights are sorted by cheapest return flights first.
Deals found on 7/11
Sorted by cheapest first
Best time to book a flight from Sydney to Kos
Have a flexible travel schedule? Discover the best time to fly to Kos from Sydney with our price prediction graph.
SYD-KGS
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Sydney to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Can I find deals for flights from Sydney to Kos that include hotel bookings?
Yes. In addition to deals on Sydney to Kos flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Kos?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Kos.
Can I find deals for business class flights from Sydney to Kos?
Yes. Cheapflights offers flight deals from Sydney to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sydney to Kos?
Cheapflights helps you search for flights from Sydney to Kos via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Kos?
Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Kos for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Sydney to Kos with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Kos flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to Kos become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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