Best time to go: what is the RIGHT price for a round-trip flight to Kos (from: Sydney)

The average price to go to Kos from Sydney airport is $ 1622 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 1175 (in may) and $ 2017 (in march), which is a saving of $ 447 or a surplus of $ 396 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $1318 to $1370 and it is generally more economical to leave on a tuesday and return on a wednesday on a flight with 1 or more layovers.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Kos before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Sydney-Kos plane ticket.

How are these data calculated?

We have studied a sample of 1791 airfare prices from previous years for flights to Kos from Sydney and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Data analysis:

By leaving in may, the price of the plane ticket will statistically be the cheapest ($ 1175, saving $ 447 compared to the average price over the year which is $ 1622). Conversely, march will be the most expensive ($ 2017).

Flight Sydney-Kos: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 1512 $ 1953 high price
February$ 1272 $ 1508 fair price
March$ 1487 $ 2017 very high price
April$ 1102 $ 1366 good price
May$ 915 $ 1175 very good price
June$ 1073 $ 1345 good price
July$ 1386 $ 1801 high price
August$ 1283 $ 1514 fair price
September$ 1245 $ 1614 fair price
October$ 1034 $ 1310 good price
November$ 1221 $ 1871 high price
December$ 1436 $ 1984 high price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from Sydney to Kos

Data analysis:

The prices for flights from Sydney to Kos range from $106 to $2793. 1% of tickets were purchased at the minimum price (from $106 to $159), 1% at the maximum price (from $2740 to $2793). The majority of plane tickets were purchased in the range of $1318 to $1370 (7% of tickets).

Cheapest airlines for the Sydney->Kos flight

There are 9 companies that serve Sydney from Kos airport: Scoot, Qatar Airways, Etihad Airways, Airasia X, Jetstar, Emirates, Thai Airways, Qantas and Thai Airasia X.

Data analysis:

Of the 1791 flights analyzed in previous years, Scoot was the airline that offered the best fare most often in the flight ticket search results (25% of the time) on the Sydney->Kos route.

Which day of the week to leave?

Data analysis:

Statistically, Sydney-Kos flights departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday as your departure date, you can save an average of $138. On the other hand, departing on a sunday may cost you an additional $209.

Which day of the week to come back?

Data analysis:

Statistically, return flights from Kos to Sydney departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday for your return date, you will save an average of $202. Conversely, departing from Kos on a saturday may cost you an additional $146.


Top prices Sydney-Kos

Round tripDatesPrice
Sydney → Kos22-11 to 29-11-2024$ 1596 
Sydney → Kos20-12 to 26-12-2024$ 2296 
Sydney → Kos21-12 to 27-12-2024$ 2363 
Sydney → Kos01-01 to 08-01-2025$ 2033 
Sydney → Athens19-02 to 26-02-2025$ 718 
Sydney → Athens03-03 to 17-03-2025$ 702 
Sydney → Athens12-03 to 24-03-2025$ 717 
Sydney → Athens14-03 to 21-03-2025$ 787 
Sydney → Athens10-05 to 24-05-2025$ 804 
Sydney → Kos19-06 to 30-06-2025$ 1282 


When to book your flight Sydney - Kos to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 7 to 8 months in advance. However, you may end up paying a high price if you book between 0 to 1 month in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Sydney-Kos flight, it is recommended to book your ticket on a wednesday.

How far in advance should I buy my flight?

Data analysis:

To get the cheapest flight ticket from Sydney to Kos, it is recommended to buy it 7 to 8 months before departure (it is then on average 1114 $, which is a saving of 508 $ compared to the overall average price). On the other hand, if you buy your ticket 0 to 1 month in advance, you will pay the full price (239 $ more than the average price).

Depending on the departure month

The best time to buy your Sydney to Kos flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?
January-
February-
March-
April

Best time: 0 to 1 month before departure (average price: 1234 $)

Other interesting period(s): 1 to 2 months ($ 1364)

May-
June-
July

Best time: 1 to 2 months before departure (average price: 1753 $)

August-
September-
October-
November-
December-

What day of the week should I book my flight ticket?

Data analysis:

Statistically, wednesday is the day when plane tickets for Sydney->Kos are the cheapest. So, by buying your plane ticket on a wednesday, you will save $173. Conversely, by buying it on a friday, you may end up paying $117 more.



Sydney to Kos: flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
December 2024$ 2330
$2296 to $2363
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January 2025$ 2033
$2033 to $2033
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June 2025$ 1282
$1282 to $1282
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Data analysis:

Compared to the average price, june is cheaper to travel to Kos. It may be interesting to book now to leave this month!



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