HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kos

$522+ Cheap flights from John F Kennedy Intl, NY (JFK) to Kos (KGS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — KGS
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from John F Kennedy Intl to Kos with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from John F Kennedy Intl to Kos

Best flights from John F Kennedy Intl to Kos
Discover carefully curated flight deals from John F Kennedy Intl to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.

This FlightHub deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:00 pmJFK - KGS
2 stops16h 05mMultiple Airlines
Tue 2/178:35 pmKGS - JFK
2 stops27h 05mMultiple Airlines
Deal found 12/20$765
This Emirates deal was found by Cheapflights users on 12/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/410:20 pmJFK - KGS
3 stops35h 45mEmirates
Wed 2/1112:35 pmKGS - JFK
2 stops26h 40mEmirates
Deal found 12/20$1,591
This Emirates deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:20 pmJFK - KGS
3 stops36h 15mEmirates
Fri 5/11:05 pmKGS - JFK
3 stops36h 50mEmirates
Deal found 12/18$1,687

Find flight deals from John F Kennedy Intl to Kos

Discover tips and strategies to find the most affordable flight options for your journey from John F Kennedy Intl (JFK) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 21, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$765
(FlightHub)

One-way from

$522
(Kiwi.com)
Provider with most accurate pricing for New York John F Kennedy Intl-Kos flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York John F Kennedy Intl-Kos flights.
Search Deals
From New York John F Kennedy Intl to Kos
Search Deals
One-way flight from New York John F Kennedy Intl to Kos
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from John F Kennedy Intl to Kos that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from New York John F Kennedy Intl Airport to Kos that are best for you.

Fly from

John F Kennedy Intl

Fly to

Kos

Route

Depart

Return

Price

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 2/10

9:00 pm-8:05 pm

2 stops16h 05m

Kos

Tue 2/17

8:35 pm-4:40 pm

2 stops27h 05m

$765

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Wed 2/4

10:20 pm-5:05 pm

3 stops35h 45m

Kos

Wed 2/11

12:35 pm-8:15 am

2 stops26h 40m

$1,591

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 4/27

10:20 pm-5:35 pm

3 stops36h 15m

Kos

Fri 5/1

1:05 pm-6:55 pm

3 stops36h 50m

$1,687

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Wed 5/27

12:30 am-12:35 pm

2 stops29h 05m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Compare providers for flights from John F Kennedy Intl to Kos

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from John F Kennedy Intl to Kos in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New York John F Kennedy Intl Airport-Kos flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on New York John F Kennedy Intl Airport-Kos flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from New York John F Kennedy Intl Airport-Kos flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York John F Kennedy Intl Airport-Kos flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New York John F Kennedy Intl Airport-Kos flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from John F Kennedy Intl to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from John F Kennedy Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Kos

Get insights into the airlines that provide service to Kos. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kos. Reviews last updated December 21, 2025.
Get a feel of what it's like to fly with SWISS, Lufthansa, and British Airways from New York John F Kennedy Intl Airport to Kos by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,817 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.3

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
SWISS
7.5
Good
1,817 reviews
SWISS
7.5
Good
1,817 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.3

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
Lufthansa
6.8
Okay
7,640 reviews
SWISS
7.5
Good
1,817 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.3

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.
British Airways
6.7
Okay
7,602 reviews
SWISS
7.5
Good
1,817 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.3

Food

7.1

Overall

7.5

Reviews

1 / 20
2.0
Mediocre

Katerina,Sep 2025

GVA - ATH

Although the plane was half empty and the flight was late at night, we were not allowed to change seats/ use empty seats to get ourselves more comfortable, or get some proper sleep. It is really frustrating to see lack of flexibility in such a simple need.

Related info for your journey

Find useful and relevant information for your journey from John F Kennedy Intl to Kos. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kos from New York John F Kennedy Intl?

    If you book a flight to Kos from New York John F Kennedy Intl, you will be flying to Kos, which is the city’s only airport. Kos (KGS) is located 12.8 mi from the center of Kos. There are 0 flights from New York John F Kennedy Intl to Kos per day from 3 different airlines.

  • How long is the flight from New York John F Kennedy Intl Airport to Kos?

    A quick flight from New York John F Kennedy Intl Airport to Kos can take about 35h 45m. Emirates provides one of the quickest options available for as low as $1,591. There are 5109 mi between New York John F Kennedy Intl Airport and Kos.

  • What are the cheapest airlines flying from New York John F Kennedy Intl Airport to Kos round-trip?

    SWISS, at $501, was found to be the cheapest airline from New York John F Kennedy Intl Airport to Kos.Alternate airlines to your destination round-trip include Lufthansa and British Airways.

  • Can I find deals for flights from John F Kennedy Intl to Kos that include hotel bookings?

    Yes. In addition to deals on John F Kennedy Intl to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from John F Kennedy Intl to Kos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from John F Kennedy Intl to Kos.

  • Can I find deals for business class flights from John F Kennedy Intl to Kos?

    Yes. Cheapflights offers flight deals from John F Kennedy Intl to Kos by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from John F Kennedy Intl to Kos

Discover the top 3 airlines that operate flights from John F Kennedy Intl to Kos. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$501Average$829FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$625Average$920FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$730Average$780FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.