$471 Cheap Flights from New York (JFK) to Kos (KGS)

View $471 flight on Tue, Jul 21, 2026Opens in a new window

Popular airlines from John F. Kennedy Intl. Airport (JFK) to Kos (KGS-Kos Island Intl.)

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Cheap Flights from New York to Kos (JFK-KGS)

Prices were available within the past 7 days and start at $471 for one-way flights and $541 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Apr 28 - Wed, May 13
JFK
New York
KGS
Kos
$541 Roundtrip, found 10 hours ago
$541
Roundtrip
found 10 hours ago
Select United flight, departing Tue, Apr 28 from New York to Kos, returning Wed, May 13, priced at $541 found 10 hours ago
Brussels Airlines
Mon, Apr 20 - Mon, May 4
JFK
New York
KGS
Kos
$555 Roundtrip, found 10 hours ago
$555
Roundtrip
found 10 hours ago
Select Brussels Airlines flight, departing Mon, Apr 20 from New York to Kos, returning Mon, May 4, priced at $555 found 10 hours ago
Brussels Airlines
Mon, Apr 20 - Wed, May 6
JFK
New York
KGS
Kos
$567 Roundtrip, found 10 hours ago
$567
Roundtrip
found 10 hours ago
Select Brussels Airlines flight, departing Mon, Apr 20 from New York to Kos, returning Wed, May 6, priced at $567 found 10 hours ago
Swiss International Air Lines
Sun, Mar 29 - Mon, Apr 13
JFK
New York
KGS
Kos
$568 Roundtrip, found 10 hours ago
$568
Roundtrip
found 10 hours ago
Select Swiss International Air Lines flight, departing Sun, Mar 29 from New York to Kos, returning Mon, Apr 13, priced at $568 found 10 hours ago
Swiss International Air Lines
Mon, Apr 6 - Mon, Apr 20
JFK
New York
KGS
Kos
$576 Roundtrip, found 10 hours ago
$576
Roundtrip
found 10 hours ago
Select Swiss International Air Lines flight, departing Mon, Apr 6 from New York to Kos, returning Mon, Apr 20, priced at $576 found 10 hours ago
Swiss International Air Lines
Tue, Apr 21 - Wed, May 6
JFK
New York
KGS
Kos
$580 Roundtrip, found 1 day ago
$580
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, Apr 21 from New York to Kos, returning Wed, May 6, priced at $580 found 1 day ago
United
Thu, Apr 30 - Wed, May 13
JFK
New York
KGS
Kos
$583 Roundtrip, found 10 hours ago
$583
Roundtrip
found 10 hours ago
Select United flight, departing Thu, Apr 30 from New York to Kos, returning Wed, May 13, priced at $583 found 10 hours ago
Swiss International Air Lines
Fri, Apr 24 - Mon, May 4
JFK
New York
KGS
Kos
$594 Roundtrip, found 10 hours ago
$594
Roundtrip
found 10 hours ago
Select Swiss International Air Lines flight, departing Fri, Apr 24 from New York to Kos, returning Mon, May 4, priced at $594 found 10 hours ago
Austrian Airlines
Fri, Sep 4 - Fri, Sep 18
JFK
New York
KGS
Kos
$866 Roundtrip, found 8 hours ago
$866
Roundtrip
found 8 hours ago
Select Austrian Airlines flight, departing Fri, Sep 4 from New York to Kos, returning Fri, Sep 18, priced at $866 found 8 hours ago
Lufthansa
Tue, May 19 - Wed, May 27
JFK
New York
KGS
Kos
$870 Roundtrip, found 2 days ago
$870
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Tue, May 19 from New York to Kos, returning Wed, May 27, priced at $870 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 Kalymnos Island National JKL. Cheapest option available. Average driving time to city center is 2 hours 50 minutes. Flights from $947
JKL
Kalymnos Island National
Cheapest
Average driving time to city center2 h 50 min
Flights from $947

Frequently asked questions

How much does a flight from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS) cost?
Lock in a cheap one-way flight from $471 or cheap return flight from $541 from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS)?
The cheapest month to fly from JFK to KGS is April, when there's less demand. Off-peak months are usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest JFK to KGS flight.
How many flights per day from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS)?
You'll need to hop on a flight with a layover when traveling from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from JFK to KGS?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, season 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 John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS)?
Book a flight from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS) that leaves before 3 PM to reduce the risk of cancellations. 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 John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS) last-minute?
Waiting until right before your break to book your flight from JFK to KGS generally means paying more. While you might find some last-minute deals, there's no guarantee. Keep your travel plans flexible for a better chance of scoring a bargain.
Is it cheaper to book a JFK to KGS flight and hotel package?
Compared with arranging flights and hotels separately, booking a JFK to KGS flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the hassle out of travel planning. Simply pick your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from John F. Kennedy Intl. Airport (JFK) to Kos Island Intl. Airport (KGS)?
Typically, you're able to cancel or reschedule your JFK to KGS flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need further details, head to our Customer Service portal.

Travel information

Origin airport
John F. Kennedy Intl.
Destination airport
Kos Island Intl.
Airlines serving
British Airways, Brussels Airlines, Emirates, Swiss International Air Lines
Roundtrip price
$541
Distance
5112 mi

Book with confidence

New York to Kos Flights

The cheapest times to fly from New York 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 New York to Kos are during the month of April. You can find some of the cheapest flights from New York to Kos with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New York to Kos

Sunday is one of the best days to book for cheap flights from New York 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 New York 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 New York to Kos in 2025. You can also book with separate airlines for your outbound and return journeys, from $471 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 New York 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 New York 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.

 

New York to Kos Flights

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*Available to One Key members.