HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kos

$447+ Cheap flights from the United States to Kos (KGS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from USA 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 USA to Kos

Keep the following information in mind while searching for USA to Kos flight deals. Data was last updated September 17, 2025.

Round-trip from

$447
(Mytrip)
From USA to Kos
Search Deals

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 September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/2711:00 pmEWR - KGS
1 stop28h 50mMultiple Airlines
Wed 11/56:55 pmKGS - EWR
1 stop31h 10mMultiple Airlines
Deal found 9/15$447
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/2710:00 pmJFK - KGS
1 stop29h 50mMultiple Airlines
Wed 11/56:55 pmKGS - JFK
1 stop27h 45mMultiple Airlines
Deal found 9/15$447
This Ovago deal was found by Cheapflights users on 9/16. 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.
Tue 10/75:30 pmLAX - KGS
1 stop15h 35mMultiple Airlines
Tue 10/148:30 pmKGS - LAX
1 stop30h 00mMultiple Airlines
Deal found 9/16$585
This SWISS deal was found by Cheapflights users on 9/15. 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.
Mon 10/2711:00 pmEWR - KGS
1 stop28h 50mSWISS
Wed 11/52:30 pmKGS - EWR
2 stops37h 00mSWISS
Deal found 9/15$602
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/2710:55 pmJFK - KGS
2 stops37h 05mLufthansa
Wed 11/56:55 pmKGS - JFK
2 stops25h 55mLufthansa
Deal found 9/15$608
This Mytrip deal was found by Cheapflights users on 9/17. 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.
Sun 10/199:00 amJFK - KGS
2 stops25h 30mMultiple Airlines
Sun 10/269:45 pmKGS - JFK
2 stops22h 20mMultiple Airlines
Deal found 9/17$660
This Justfly.com deal was found by Cheapflights users on 9/15. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:40 pmEWR - KGS
1 stop32h 30mAustrian Airlines
Mon 10/138:50 pmKGS - EWR
1 stop24h 05mAustrian Airlines
Deal found 9/15$721
This Ovago deal was found by Cheapflights users on 9/15. 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 10/106:10 pmJFK - KGS
1 stop18h 25mMultiple Airlines
Mon 10/1311:00 amKGS - JFK
1 stop32h 50mMultiple Airlines
Deal found 9/15$752
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/314:20 pmLAX - KGS
2 stops19h 55mMultiple Airlines
Fri 11/79:45 pmKGS - LAX
2 stops25h 45mMultiple Airlines
Deal found 9/16$758
This KAYAK deal was found by Cheapflights users on 9/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:25 pmJFK - KGS
2 stops41h 15mSWISS
Sat 10/258:45 pmKGS - JFK
2 stops49h 55mSWISS
Deal found 9/17$825
This Mytrip deal was found by Cheapflights users on 9/16. 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 10/316:55 pmEWR - KGS
2 stops16h 10mMultiple Airlines
Fri 11/75:35 pmKGS - EWR
2 stops29h 25mMultiple Airlines
Deal found 9/16$836
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Fri 10/104:20 pmORD - KGS
1 stop32h 50mMultiple Airlines
Mon 10/2712:40 pmKGS - ORD
1 stop13h 45mMultiple Airlines
Deal found 9/17$837

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 September 17, 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

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 10/27

11:00 pm-9:50 am

1 stop28h 50m

Kos

Wed 11/5

6:55 pm-7:05 pm

1 stop31h 10m

$447

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 10/27

10:00 pm-9:50 am

1 stop29h 50m

Kos

Wed 11/5

6:55 pm-3:40 pm

1 stop27h 45m

$447

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Tue 10/7

5:30 pm-7:05 pm

1 stop15h 35m

Kos

Tue 10/14

8:30 pm-4:30 pm

1 stop30h 00m

$585

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 10/27

11:00 pm-9:50 am

1 stop28h 50m

Kos

Wed 11/5

2:30 pm-8:30 pm

2 stops37h 00m

$602

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 10/27

10:55 pm-6:00 pm

2 stops37h 05m

Kos

Wed 11/5

6:55 pm-1:50 pm

2 stops25h 55m

$608

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 10/19

9:00 am-5:30 pm

2 stops25h 30m

Kos

Sun 10/26

9:45 pm-2:05 pm

2 stops22h 20m

$660

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 10/10

5:40 pm-9:10 am

1 stop32h 30m

Kos

Mon 10/13

8:50 pm-1:55 pm

1 stop24h 05m

$721

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Fri 10/10

6:10 pm-7:35 pm

1 stop18h 25m

Kos

Mon 10/13

11:00 am-12:50 pm

1 stop32h 50m

$752

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles

Fri 10/31

4:20 pm-9:15 pm

2 stops19h 55m

Kos

Fri 11/7

9:45 pm-1:30 pm

2 stops25h 45m

$758

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 10/19

7:25 pm-7:40 pm

2 stops41h 15m

Kos

Sat 10/25

8:45 pm-3:40 pm

2 stops49h 55m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 29 results
1
2
3

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 September 17, 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 September 17, 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
1,737 reviews

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

7.1

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
1,737 reviews
SWISS
7.6
Good
1,737 reviews

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

7.1

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
7,409 reviews
SWISS
7.6
Good
1,737 reviews

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

7.1

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
7,367 reviews
SWISS
7.6
Good
1,737 reviews

Entertainment

6.8

Comfort

7.4

Overall

7.6

Crew

8.2

Boarding

7.7

Food

7.1

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 28h 50m. There are 5124 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 Atlanta Hartsfield-Jackson - Kos, Chicago O'Hare Intl - 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

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

Alternative routes for USA to Kos

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Santorini flights
Newark to Santorini flights
John F Kennedy Intl to Mykonos flights
LaGuardia to Santorini flights
Los Angeles to Mykonos flights
Los Angeles to Santorini flights
O'Hare Intl to Santorini flights
Newark to Mykonos flights
San Francisco to Santorini flights
Dallas/Fort Worth to Santorini flights
Boston to Santorini flights
Sky Harbor Intl to Santorini flights
LaGuardia to Mykonos flights
Atlanta to Santorini flights
Dallas/Fort Worth to Mykonos flights
Orlando to Santorini flights
George Bush Intcntl to Santorini flights
San Francisco to Mykonos flights
Dulles Intl to Santorini flights
Boston to Mykonos flights
Hobby to Santorini flights
Denver to Santorini flights
Nashville to Santorini flights
Dulles Intl to Mykonos flights
Reagan-National to Santorini flights
Indianapolis to Santorini flights
St. Louis to Santorini flights
Baltimore to Santorini flights
Baltimore to Mykonos flights
Reagan-National to Mykonos flights
Raleigh to Santorini flights
Detroit to Santorini flights
O'Hare Intl to Kos flights
Seattle to Mykonos flights
O'Hare Intl to Mykonos flights
John F Kennedy Intl to Kos flights
Los Angeles to Rhodes flights
Miami to Santorini flights
Newark to Rhodes flights
Seattle to Santorini flights
Cleveland to Mykonos flights
John F Kennedy Intl to Rhodes flights
Tampa to Santorini flights
Philadelphia to Santorini flights
Providence to Santorini flights
Newark to Kos flights
Detroit to Mykonos flights
Atlanta to Rhodes flights
Newark to Karpathos flights

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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$501Average$1,117FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$602Average$1,015FlexibilityNo 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.