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Kos

$563+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from USA to Kos

Best flights from USA to Kos
Discover carefully curated flight deals from USA to Kos that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This FlightHub deal was found by Cheapflights users on 12/17. 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.
Wed 1/285:30 pmJFK - KGS
2 stops15h 40mMultiple Airlines
Mon 2/28:35 pmKGS - JFK
2 stops23h 30mMultiple Airlines
Deal found 12/17$563
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:55 pmEWR - KGS
1 stop34h 15mEmirates
Sun 3/291:05 pmKGS - EWR
1 stop15h 15mEmirates
Deal found 12/16$1,023
This Mytrip deal was found by Cheapflights users on 12/17. 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 2/110:00 pmEWR - KGS
2 stops27h 05mMultiple Airlines
Sun 2/89:05 pmKGS - EWR
2 stops30h 25mMultiple Airlines
Deal found 12/17$578
This Brussels Airlines deal was found by Cheapflights users on 12/16. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:30 pmJFK - KGS
2 stops15h 55mBrussels Airlines
Sat 6/138:45 pmKGS - JFK
2 stops23h 35mBrussels Airlines
Deal found 12/16$1,188
This Booking.com deal was found by Cheapflights users on 12/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2810:00 pmEWR - KGS
2 stops31h 05mMultiple Airlines
Mon 2/28:35 pmKGS - EWR
2 stops30h 55mMultiple Airlines
Deal found 12/17$583
This Gotogate deal was found by Cheapflights users on 12/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:50 pmORD - KGS
2 stops38h 45mMultiple Airlines
Fri 2/69:05 pmKGS - ORD
2 stops24h 20mMultiple Airlines
Deal found 12/16$728
This Gotogate deal was found by Cheapflights users on 12/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/303:10 pmSEA - KGS
2 stops54h 55mMultiple Airlines
Fri 2/69:05 pmKGS - SEA
2 stops25h 05mMultiple Airlines
Deal found 12/15$743
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2211:55 pmEWR - KGS
1 stop34h 15mEmirates
Sat 3/2812:35 pmKGS - EWR
1 stop14h 45mEmirates
Deal found 12/16$1,023
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:30 pmJFK - KGS
2 stops15h 40mMultiple Airlines
Sun 3/296:05 pmKGS - JFK
2 stops51h 55mMultiple Airlines
Deal found 12/17$958
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:10 pmJFK - KGS
1 stop15h 15mMultiple Airlines
Sat 6/138:45 pmKGS - JFK
1 stop23h 05mMultiple Airlines
Deal found 12/16$979
This Ovago deal was found by Cheapflights users on 12/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/227:05 pmEWR - KGS
2 stops15h 05mMultiple Airlines
Sun 3/296:05 pmKGS - EWR
2 stops55h 40mMultiple Airlines
Deal found 12/17$980
This Emirates deal was found by Cheapflights users on 12/17. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2810:20 pmJFK - KGS
3 stops35h 35mEmirates
Mon 2/212:35 pmKGS - JFK
2 stops26h 40mEmirates
Deal found 12/17$1,635
This Emirates deal was found by Cheapflights users on 12/15. 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 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
Sun 2/812:35 pmKGS - JFK
2 stops32h 20mEmirates
Deal found 12/15$1,685
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Sun 3/83:40 pmSEA - KGS
3 stops35h 25mMultiple Airlines
Sun 3/229:05 pmKGS - SEA
3 stops34h 01mMultiple Airlines
Deal found 12/16$1,190
This Emirates deal was found by Cheapflights users on 12/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/47:45 pmORD - KGS
2 stops37h 20mEmirates
Sun 2/812:35 pmKGS - ORD
2 stops34h 20mEmirates
Deal found 12/15$1,802
This Emirates deal was found by Cheapflights users on 12/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/234:05 pmSEA - KGS
2 stops38h 45mEmirates
Tue 1/2712:35 pmKGS - SEA
2 stops34h 00mEmirates
Deal found 12/15$1,813
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:30 pmLGA - KGS
2 stops17h 55mMultiple Airlines
Sat 6/139:40 amKGS - LGA
2 stops18h 46mMultiple Airlines
Deal found 12/16$1,361
This Mytrip deal was found by Cheapflights users on 12/16. 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.
Mon 3/93:00 pmSEA - KGS
3 stops32h 05mMultiple Airlines
Mon 3/238:35 pmKGS - SEA
2 stops30h 30mMultiple Airlines
Deal found 12/16$1,368
This Emirates deal was found by Cheapflights users on 12/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:40 pmSFO - KGS
2 stops63h 25mEmirates
Mon 3/912:35 pmKGS - SFO
2 stops34h 15mEmirates
Deal found 12/15$2,176
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:40 pmLGA - KGS
2 stops21h 30mMultiple Airlines
Sun 3/299:20 amKGS - LGA
2 stops20h 11mMultiple Airlines
Deal found 12/16$1,390
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:40 pmLGA - KGS
2 stops21h 30mMultiple Airlines
Sat 3/288:35 amKGS - LGA
2 stops29h 20mMultiple Airlines
Deal found 12/16$1,667
This Emirates deal was found by Cheapflights users on 12/15. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/303:40 pmSFO - KGS
2 stops39h 25mEmirates
Fri 2/612:35 pmKGS - SFO
2 stops34h 15mEmirates
Deal found 12/15$5,275
This oojo deal was found by Cheapflights users on 12/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/274:45 pmSFO - KGS
2 stops38h 50mEmirates
Sat 4/41:05 pmKGS - SFO
2 stops34h 55mEmirates
Deal found 12/16$8,412
This business-class.com deal was found by Cheapflights users on 12/16. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/278:25 pmSFO - KGS
2 stops26h 25mMultiple Airlines
Sat 4/48:45 pmKGS - SFO
1 stop29h 25mMultiple Airlines
Deal found 12/16$11,406

Find flight deals from USA to Kos

Keep the following information in mind while searching for USA to Kos flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$563
(FlightHub)
Provider with most accurate pricing for New York (NYC)-Kos flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Kos flights.
Search Deals
From USA to Kos
Search Deals

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 December 18, 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

Wed 1/28

5:30 pm-4:10 pm

2 stops15h 40m

Kos

Mon 2/2

8:35 pm-1:05 pm

2 stops23h 30m

$563

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 2/1

10:00 pm-8:05 am

2 stops27h 05m

Kos

Sun 2/8

9:05 pm-8:30 pm

2 stops30h 25m

$578

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 1/28

10:00 pm-12:05 pm

2 stops31h 05m

Kos

Mon 2/2

8:35 pm-8:30 pm

2 stops30h 55m

$583

ChicagoKos

ORD - KGS

ORDKGS

Chicago O'Hare Intl

Fri 1/30

9:50 pm-8:35 pm

2 stops38h 45m

Kos

Fri 2/6

9:05 pm-1:25 pm

2 stops24h 20m

$728

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-8:05 am

2 stops54h 55m

Kos

Fri 2/6

9:05 pm-12:10 pm

2 stops25h 05m

$743

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 3/22

6:30 pm-4:10 pm

2 stops15h 40m

Kos

Sun 3/29

6:05 pm-3:00 pm

2 stops51h 55m

$958

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 6/4

6:10 pm-4:25 pm

1 stop15h 15m

Kos

Sat 6/13

8:45 pm-12:50 pm

1 stop23h 05m

$979

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 3/22

7:05 pm-4:10 pm

2 stops15h 05m

Kos

Sun 3/29

6:05 pm-6:45 pm

2 stops55h 40m

$980

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 3/22

11:55 pm-4:10 pm

1 stop34h 15m

Kos

Sun 3/29

1:05 pm-9:20 pm

1 stop15h 15m

$1,023

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 3/22

11:55 pm-4:10 pm

1 stop34h 15m

Kos

Sat 3/28

12:35 pm-9:20 pm

1 stop14h 45m

$1,023

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 24 results
1
2
3

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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from USA to Kos in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight in the morning.

The best insider tips for theUnited States to Kos flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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

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 18, 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
7.5
Good
1,817 reviews

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.3

Comfort

7.4

Boarding

7.7

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

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.3

Comfort

7.4

Boarding

7.7

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
7,637 reviews
SWISS
7.5
Good
1,817 reviews

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.3

Comfort

7.4

Boarding

7.7

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
7,586 reviews
SWISS
7.5
Good
1,817 reviews

Entertainment

6.8

Overall

7.5

Food

7.1

Crew

8.3

Comfort

7.4

Boarding

7.7

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 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 37h 20m. There are 5622 mi between USA and Kos.

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

    While some choose either Newark - Kos or Seattle/Tacoma Intl - Kos, New York John F Kennedy 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

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$501Average$1,113FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$602Average$1,062FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$730Average$780FlexibilityNo cancel feeOn-time70%

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