C$1,075 Cheap Flights from Sydney (SYD) to Kos (KGS)

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Find the cheapest month to fly from Sydney to Kos

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Kos flights are currently cheapest in May.

Sydney to Kos: Flight information

The things to know before you go.
Cheapest flight foundC$1,075
Cheapest month to flyMay

Finding cheap flights from Sydney to Kos: Frequently asked questions

The best price we found for a return flight from Sydney to Kos is C$2,071. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to Kos. But we found flights with one or more stops from C$2,071.
As of April 2026, there are no flights flying from Sydney to Kos.
The cheapest month to fly from Sydney to Kos is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Kos Airport on Thursday, May 28, 2026.
No airlines currently offer direct flights between Sydney Airport and Kos Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kos but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kos is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, VietJet Air offers the cheapest flight tickets to Kos.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Kos Airport (KGS)

  • C$1,075 is currently the best price for a one-way ticket from Sydney (Kingsford Smith) Airport to Kos Airport. Return flights start at C$2,071. These prices may change depending on demand.

  • Don't leave everything to the last minute. You're more likely to get cheap flight tickets from SYD to KGS if you book early. Airlines often offer some fantastic early bird deals.

  • Finding cheap flight tickets from Sydney (Kingsford Smith) Airport to Kos Airport is easy if you're flexible with your trip dates. Use the 'Whole month' function to see the lowest fares throughout the month and snap up a great deal.

  • Sign into your online account or use the app to create a Price Alert. You'll be notified right away if there's a better deal on this route. It's simple to do, and it'll save you the hassle of searching for cheap flight tickets from SYD to KGS every day.

  • Play around with filters to find the perfect trip for you. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Sydney (Kingsford Smith) Airport to Kos Airport, use the 'Sort by' tool. You can also filter by arrival and departure times, airline, and number of stops.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • Located around 18 kilometres from central Sydney, Sydney (Kingsford Smith) Airport can be reached in approximately 21 minutes by car (depending on traffic). The same journey on public transport takes roughly 27 minutes.

  • Booked an early flight from Sydney (Kingsford Smith) Airport to Kos Airport? Avoid the hassle of rushing to the terminal (and catch some extra z's) by choosing one of these hotels near SYD:

Arriving at Kos Airport (KGS)

Getting from Kos Airport (KGS) to central Greece

  • Kos Airport to the center of Greece is about 434 kilometres. If you're getting a cab or renting a car, plan ahead to make your trip as easy as possible. Journey times will vary based on traffic and the time of day.

When to fly to Kos Airport (KGS)

  • The quietest month for a flight from Sydney (Kingsford Smith) Airport to Kos Airport is February, while August is the busiest. Choose the ideal time to visit Greece based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from Sydney (Kingsford Smith) Airport to Kos Airport for July if you want to visit Greece during its warmest month. Expect temperatures of between 22ºC and 33ºC.

  • Look for cheap flight tickets from SYD to KGS in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 2ºC and 13ºC on average.

More about Greece

  • Start your Greece trip right by finding an amazing stay. Once you've booked your flight from SYD to KGS, browse our range of hotel options including:

  • All great vacations should include some sightseeing. Agios Panteleimonas, Κύμα - Kyma - The wave and Τρείς μώλοι / Three piers beach are must-do's during your Greece adventure.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.