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Cheap Flights from Sydney to Kos

Compare Sydney to Kos flight deals

Find the cheapest month or even day of the year to fly to Kos

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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 August.
Apr
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May
from R 24,513
Jun
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Jul
from R 21,093
Aug
from R 16,379
Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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Mar
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Sydney to Kos: Flight information

The things to know before you go.
Cheapest flight foundR 16,379
Cheapest month to flyAugust

Finding cheap flights from Sydney to Kos: Frequently asked questions

The best price we found for a return flight from Sydney to Kos is R 20,374. 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 R 20,374.
As of April 2025, there are no flights flying from Sydney to Kos.
The cheapest month to fly from Sydney to Kos is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Kos Airport on Tuesday, 9 September 2025.
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, Scoot offers the cheapest flight tickets to Kos.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to Kos Airport (KGS): what you need to know

  • Leave enough time to catch your SYD to KGS flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're travelling during a major holiday or other peak periods, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Security and check-in lines will be longer.

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

  • R 16,379 is the lowest price for a one-way Sydney (Kingsford Smith) Airport to Kos Airport flight. Return flights start at R 20,374. These fares can change based on availability.

  • Don't leave things to the last moment. You're more likely to find cheap tickets from SYD to KGS if you book in advance. Airlines often have some amazing early bird discounts.

  • The 'Whole month' search function shows you the cheapest flights from Sydney (Kingsford Smith) Airport to Kos Airport throughout the month. It's an easy way to snap up a bargain if your dates are flexible.

  • Snapping up cheap flights from SYD to KGS is a piece of cake with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as fares go down.

  • Tailor your flights with filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Sydney (Kingsford Smith) Airport to Kos Airport.

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

  • Of all flights departing from Sydney (Kingsford Smith) Airport, 69.62% arrive on time at their destination.

  • Central Sydney to Sydney (Kingsford Smith) Airport is around 18 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • You can expect a trip time of about 25 minutes on public transport.

  • Searching for a handy hotel near SYD? If you're catching an early flight from Sydney (Kingsford Smith) Airport to Kos Airport, these accommodation options will have you moments from check-in:

Arriving at Kos Airport (KGS)

  • Secure the lowest price by booking your vehicle from Kos Airport about three weeks before your trip.

Plan the rest of your trip from Sydney to Kos

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