$566 Cheap Flights from Syracuse (SYR) to Kos (KGS)

View $566 flight on Tue, Aug 19, 2025Opens in a new window

Popular airlines from Hancock Intl. Airport (SYR) to Kos (KGS-Kos Island Intl.)

Cheap Flights from Syracuse to Kos (SYR-KGS)

Prices were available within the past 7 days and start at $566 for one-way flights and $1,253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Thu, Aug 21 - Mon, Aug 25
SYR
Syracuse
KGS
Kos
$1,253 Roundtrip, found 1 day ago
$1,253
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Aug 21 from Syracuse to Kos, returning Mon, Aug 25, priced at $1,253 found 1 day ago
Lufthansa
Thu, Aug 21 - Mon, Aug 25
SYR
Syracuse
KGS
Kos
$1,353 Roundtrip, found 1 day ago
$1,353
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Aug 21 from Syracuse to Kos, returning Mon, Aug 25, priced at $1,353 found 1 day ago
Lufthansa
Thu, Aug 21 - Mon, Aug 25
SYR
Syracuse
KGS
Kos
$1,453 Roundtrip, found 1 day ago
$1,453
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Thu, Aug 21 from Syracuse to Kos, returning Mon, Aug 25, priced at $1,453 found 1 day ago
Lufthansa
Tue, Aug 19 - Sat, Aug 23
SYR
Syracuse
KGS
Kos
$1,518 Roundtrip, found 3 days ago
$1,518
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Aug 19 from Syracuse to Kos, returning Sat, Aug 23, priced at $1,518 found 3 days ago
Lufthansa
Tue, Aug 19 - Sat, Aug 23
SYR
Syracuse
KGS
Kos
$1,522 Roundtrip, found 3 days ago
$1,522
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Aug 19 from Syracuse to Kos, returning Sat, Aug 23, priced at $1,522 found 3 days ago
Lufthansa
Tue, Aug 19 - Sat, Aug 23
SYR
Syracuse
KGS
Kos
$1,537 Roundtrip, found 3 days ago
$1,537
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Aug 19 from Syracuse to Kos, returning Sat, Aug 23, priced at $1,537 found 3 days ago
Lufthansa
Tue, Aug 19 - Sat, Aug 23
SYR
Syracuse
KGS
Kos
$1,539 Roundtrip, found 3 days ago
$1,539
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Tue, Aug 19 from Syracuse to Kos, returning Sat, Aug 23, priced at $1,539 found 3 days ago
JetBlue Airways
Thu, Aug 21 - Mon, Aug 25
SYR
Syracuse
KGS
Kos
$1,630 Roundtrip, found 1 day ago
$1,630
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Thu, Aug 21 from Syracuse to Kos, returning Mon, Aug 25, priced at $1,630 found 1 day ago
Brussels Airlines
Fri, Sep 19 - Fri, Sep 26
SYR
Syracuse
KGS
Kos
$1,921 Roundtrip, found 2 days ago
$1,921
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Fri, Sep 19 from Syracuse to Kos, returning Fri, Sep 26, priced at $1,921 found 2 days ago
Austrian Airlines
Fri, Sep 19 - Fri, Sep 26
SYR
Syracuse
KGS
Kos
$3,156 Roundtrip, found 2 days ago
$3,156
Roundtrip
found 2 days ago
Select Austrian Airlines flight, departing Fri, Sep 19 from Syracuse to Kos, returning Fri, Sep 26, priced at $3,156 found 2 days ago

Alternative airports near Kos

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kos Island Intl. KGS. Cheapest and Closest option available. Average driving time to city center is 25 minutes. Flights from $1,253
KGS
Kos Island Intl.
CheapestClosest
Average driving time to city center25 min
Flights from $1,253
Flights from Syracuse (SYR) to Kos (KGS)
Origin airport
Hancock Intl.
Destination airport
Kos Island Intl.
Roundtrip price
$1,252
Distance
5111 mi

Syracuse to Kos Flights

The cheapest times to fly from Syracuse to Kos

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Syracuse to Kos are during the month of August. You can find some of the cheapest flights from Syracuse to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Syracuse to Kos

Sunday is one of the best days to book for cheap flights from Syracuse to Kos: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Syracuse to Kos

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Syracuse to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $566 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Syracuse to Kos flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Syracuse to Kos airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS) cost?
Snag a cheap one-way flight from $566 or cheap return flight from $1,253 from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS)?
August is the cheapest month to fly from SYR to KGS. Traveling outside of peak seasons is often the key to scoring lower fares.
What is the cheapest airline that flies from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS)?
To find the cheapest airline that'll fly you from SYR to KGS, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS)?
You'll have to hop on a flight with a layover when traveling from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SYR to KGS?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS)?
Select a flight from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS) last-minute?
Last-minute fares from SYR to KGS are usually more expensive. For the best prices, start looking for flights early. That being said, if you're flexible with your travel dates, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a SYR to KGS flight and hotel package?
You'll typically save money by booking a SYR to KGS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Hancock Intl. Airport (SYR) to Kos Island Intl. Airport (KGS)?
It's usually possible to reschedule or cancel your SYR to KGS flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.