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Kos

$283+ Cheap flights from the United States 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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from USA to Kos

Keep the following information in mind while searching for USA to Kos flight deals. Data was last updated August 20, 2025.

Round-trip from

$483
(Kiwi.com)

One-way from

$283
(Kiwi.com)
From USA to Kos
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One-way flight from USA to Kos
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Find flight deals from USA to Kos

Cheapest flights from USA to Kos
Explore the most affordable flight options available from USA to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/88:30 pmJFK - KGS
1 stop16h 10mSWISS
Tue 9/168:30 pmKGS - JFK
1 stop23h 20mSWISS
Deal found 8/18$483
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/712:45 amJFK - KGS
1 stop12h 15mMultiple Airlines
Tue 9/168:30 pmKGS - JFK
1 stop27h 05mMultiple Airlines
Deal found 8/18$484
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:50 pmEWR - KGS
1 stop14h 50mSWISS
Tue 9/168:30 pmKGS - EWR
1 stop30h 40mSWISS
Deal found 8/18$500
This United deal was found by Cheapflights users on 8/18. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:30 pmJFK - KGS
1 stop18h 35mMultiple Airlines
Wed 8/2711:15 amKGS - JFK
1 stop32h 45mMultiple Airlines
Deal found 8/18$526
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:30 pmJFK - KGS
1 stop16h 25mSWISS
Wed 8/278:40 pmKGS - JFK
2 stops24h 40mSWISS
Deal found 8/18$532
This SWISS deal was found by Cheapflights users on 8/18. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:15 pmJFK - KGS
1 stop15h 55mSWISS
Mon 9/1511:00 amKGS - JFK
1 stop36h 35mSWISS
Deal found 8/18$547
This Austrian Airlines deal was found by Cheapflights users on 8/18. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:40 pmEWR - KGS
1 stop20h 05mAustrian Airlines
Mon 9/158:50 pmKGS - EWR
1 stop24h 05mAustrian Airlines
Deal found 8/18$554
This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:30 pmJFK - KGS
1 stop30h 40mSWISS
Tue 9/168:30 pmKGS - JFK
1 stop27h 05mSWISS
Deal found 8/18$554
This Mytrip deal was found by Cheapflights users on 8/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:40 pmEWR - KGS
1 stop32h 30mAustrian Airlines
Mon 9/298:50 pmKGS - EWR
1 stop24h 05mAustrian Airlines
Deal found 8/19$561
This Ovago deal was found by Cheapflights users on 8/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:30 pmJFK - KGS
1 stop18h 55mMultiple Airlines
Mon 10/1311:00 amKGS - JFK
1 stop32h 50mMultiple Airlines
Deal found 8/18$570
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:40 pmEWR - KGS
1 stop17h 15mAustrian Airlines
Mon 10/138:50 pmKGS - EWR
1 stop24h 05mAustrian Airlines
Deal found 8/18$580
This Gurufare deal was found by Cheapflights users on 8/19. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 pmEWR - KGS
1 stop17h 40mMultiple Airlines
Fri 9/59:35 pmKGS - EWR
1 stop23h 20mMultiple Airlines
Deal found 8/19$591

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA 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 August 20, 2025.
Use the filters below to find and compare flights from the United States to Kos that are best for you.

Fly from

USA

Fly to

Kos

Route

Depart

Return

Price

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 9/8

8:30 pm-7:40 pm

1 stop16h 10m

Kos

Tue 9/16

8:30 pm-12:50 pm

1 stop23h 20m

$483

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 9/7

12:45 am-8:00 pm

1 stop12h 15m

Kos

Tue 9/16

8:30 pm-4:35 pm

1 stop27h 05m

$484

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 9/8

9:50 pm-7:40 pm

1 stop14h 50m

Kos

Tue 9/16

8:30 pm-8:10 pm

1 stop30h 40m

$500

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 9/4

4:15 pm-3:10 pm

1 stop15h 55m

Kos

Mon 9/15

11:00 am-4:35 pm

1 stop36h 35m

$547

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 9/4

5:40 pm-8:45 pm

1 stop20h 05m

Kos

Mon 9/15

8:50 pm-1:55 pm

1 stop24h 05m

$554

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sat 9/6

8:30 pm-10:10 am

1 stop30h 40m

Kos

Tue 9/16

8:30 pm-4:35 pm

1 stop27h 05m

$554

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 9/19

5:40 pm-9:10 am

1 stop32h 30m

Kos

Mon 9/29

8:50 pm-1:55 pm

1 stop24h 05m

$561

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Fri 10/10

5:30 pm-7:25 pm

1 stop18h 55m

Kos

Mon 10/13

11:00 am-12:50 pm

1 stop32h 50m

$570

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 10/10

5:40 pm-5:55 pm

1 stop17h 15m

Kos

Mon 10/13

8:50 pm-1:55 pm

1 stop24h 05m

$580

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 9/4

12:40 pm-3:10 pm

2 stops19h 30m

Kos

Mon 9/15

11:00 am-8:10 pm

1 stop16h 10m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 42 results
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The best insider tips for theUnited States to Kos flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Kos trip
Airlines
Lufthansa

Lufthansa's Allegris cabins offer enhanced comfort with slim seats and adjustable headrests on long-haul flights.


Lufthansa's Sleeper’s Row offers extra space with a mattress and blanket on long-haul flights.

Read more about Lufthansaby Blane Bachelor
SWISS

SWISS offers competitive fares and even Economy Light earns miles, a nice perk for travelers.


SWISS's long-haul economy seats have a 31-32 inch pitch and 17-inch width, feeling tight on long flights.

Read more about SWISSby Paul Rubio
British Airways

BA's World Traveller offers adjustable headrests, inflight entertainment, and complimentary meals on long-haul flights.


BA's Club Suite business class offers private pods with doors, available on A350 and most 777s.

Read more about British Airwaysby Gabriel Leigh
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Lufthansa

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Paul Rubio

Paul Rubio

Expert on SWISS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Best time to book a flight from USA to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from USA 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.

Cheapflights Insights

Everything you need to know about your flight from the United States to Kos

What is the cheapest time of day to fly from US to KGS?

Find hourly flight availability from USA to Kos. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

When flying from USA to Kos, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 20, 2025.
Read reviews from past customers who have flown SWISS, Lufthansa, and British Airways from the United States to Kos. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,699 reviews

Comfort

7.4

Overall

7.6

Boarding

7.7

Crew

8.3

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.6
Good
1,699 reviews
SWISS
7.6
Good
1,699 reviews

Comfort

7.4

Overall

7.6

Boarding

7.7

Crew

8.3

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Lufthansa
6.8
Okay
7,337 reviews
SWISS
7.6
Good
1,699 reviews

Comfort

7.4

Overall

7.6

Boarding

7.7

Crew

8.3

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
British Airways
6.7
Okay
7,289 reviews
SWISS
7.6
Good
1,699 reviews

Comfort

7.4

Overall

7.6

Boarding

7.7

Crew

8.3

Food

7.1

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

Related info for your journey

Find useful and relevant information for your journey from USA 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 United States?

    For a flight from United States to Kos, you will be flying into Kos. Kos (KGS) is just 12.8 mi from the center of the city.

  • How long is the flight from USA to Kos?

    Departing from USA to Kos will take you 16h 10m. There are 5109 mi between USA and Kos. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from USA to Kos?

    While some choose either New York John F Kennedy Intl - Kos or Baltimore/Washington - Kos, Newark - Kos is the most popular route from USA to Kos.

  • Can I find deals for flights from USA to Kos that include hotel bookings?

    Yes. In addition to deals on USA to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Kos?

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

  • Can I find deals for business class flights from USA to Kos?

    Yes. Cheapflights offers flight deals from USA 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

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Alternative routes for USA to Kos

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from USA to Kos

Discover the top 3 airlines that operate flights from USA 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$501Average$1,124FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$602Average$1,015FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$730Average$780FlexibilityNo cancel feeOn-time70%

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