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Kos

$645+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/28. 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.
Mon 8/247:05 pm
ORD
-
KGS
1 stop16h 35m
SWISS
Sun 9/133:15 pm
KGS
-
ORD
1 stop32h 40m
SWISS
Deal found 1/28$645
This Expedia deal was found by Cheapflights users on 1/28. 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.
Mon 8/242:15 pm
ORD
-
KGS
2 stops36h 10m
Multiple Airlines
Sun 9/133:15 pm
KGS
-
ORD
1 stop29h 20m
Multiple Airlines
Deal found 1/28$777
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sat 10/105:30 pm
LAX
-
KGS
2 stops40h 30m
Austrian Airlines
Sat 10/176:45 pm
KGS
-
LAX
2 stops30h 30m
Austrian Airlines
Deal found 1/28$803
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Thu 9/35:30 pm
LAX
-
KGS
2 stops29h 20m
Lufthansa
Sat 9/129:40 am
KGS
-
LAX
2 stops20h 14m
Lufthansa
Deal found 1/27$814
This FlightHub deal was found by Cheapflights users on 1/27. 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 9/38:40 am
LAX
-
KGS
2 stops26h 10m
Multiple Airlines
Sat 9/129:40 am
KGS
-
LAX
1 stop16h 40m
Multiple Airlines
Deal found 1/27$841
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sat 10/107:35 pm
LAX
-
KGS
1 stop28h 35m
Multiple Airlines
Sat 10/179:40 am
KGS
-
LAX
2 stops24h 50m
Multiple Airlines
Deal found 1/28$847
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 7/41:55 pm
JFK
-
KGS
1 stop11h 10m
Multiple Airlines
Thu 9/1010:25 pm
KGS
-
JFK
1 stop20h 30m
Multiple Airlines
Deal found 1/28$865
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Sat 7/47:25 pm
JFK
-
KGS
2 stops31h 45m
SWISS
Thu 9/1011:00 am
KGS
-
JFK
1 stop32h 50m
SWISS
Deal found 1/28$873
This oojo deal was found by Cheapflights users on 1/27. 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.
Thu 9/33:05 pm
LAX
-
KGS
1 stop19h 45m
Austrian Airlines
Sat 9/126:45 pm
KGS
-
LAX
1 stop28h 20m
Austrian Airlines
Deal found 1/27$900
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sat 7/49:45 pm
EWR
-
KGS
1 stop29h 25m
SWISS
Thu 9/1011:00 am
KGS
-
EWR
1 stop16h 15m
SWISS
Deal found 1/28$908
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Sat 7/411:45 pm
JFK
-
KGS
1 stop13h 30m
Multiple Airlines
Fri 9/411:45 am
KGS
-
JFK
1 stop17h 45m
Multiple Airlines
Deal found 1/28$945
This KAYAK deal was found by Cheapflights users on 1/28. 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.
Mon 8/249:30 pm
ORD
-
KGS
2 stops39h 20m
Austrian Airlines
Sun 9/1310:00 am
KGS
-
ORD
2 stops38h 37m
Austrian Airlines
Deal found 1/28$948

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$865
(Kiwi.com)

One-way from

$715
(Travelocity)
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
One-way flight 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 January 29, 2026.
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

Sat 7/4

7:25 pm-10:10 am

2 stops31h 45m

Kos

Thu 9/10

11:00 am-12:50 pm

1 stop32h 50m

$873

NewarkKos

EWR - KGS

EWRKGS

Newark

Sat 7/4

9:45 pm-10:10 am

1 stop29h 25m

Kos

Thu 9/10

11:00 am-8:15 pm

1 stop16h 15m

$908

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sat 7/4

9:05 pm-10:15 pm

2 stops18h 10m

Kos

Fri 9/4

11:45 am-10:30 pm

1 stop17h 45m

$969

NewarkKos

EWR - KGS

EWRKGS

Newark

Sat 7/4

9:45 pm-10:10 am

1 stop29h 25m

Kos

Fri 9/4

3:55 pm-8:15 pm

1 stop35h 20m

$1,015

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 5/7

11:55 pm-12:35 am

1 stop17h 40m

Kos

Mon 5/11

6:05 pm-9:20 pm

1 stop34h 15m

$1,017

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Sun 3/15

4:10 pm-8:05 am

2 stops30h 55m

Kos

Sun 3/22

2:20 pm-1:10 pm

2 stops55h 50m

$1,089

NewarkKos

EWR - KGS

EWRKGS

Newark

Sat 7/4

9:45 pm-10:10 am

1 stop29h 25m

Kos

Fri 9/4

9:20 am-7:53 pm

2 stops17h 33m

$1,137

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 6/29

7:25 pm-7:40 pm

2 stops17h 15m

Kos

Mon 7/20

11:00 am-12:50 pm

1 stop32h 50m

$1,144

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 6/29

9:45 pm-7:40 pm

1 stop14h 55m

Kos

Mon 7/20

11:00 am-8:15 pm

1 stop16h 15m

$1,153

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sat 6/6

8:30 pm-10:10 am

1 stop30h 40m

Kos

Thu 7/30

11:00 am-12:50 pm

1 stop32h 50m

$1,178

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 37 results
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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
No data available for this route at this time. Please check back soon.

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
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Lufthansa

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

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 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 January 29, 2026.
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
1,863 reviews

Comfort

7.4

Crew

8.3

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.
SWISS
7.6
Good
1,863 reviews
SWISS
7.6
Good
1,863 reviews

Comfort

7.4

Crew

8.3

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.
Lufthansa
6.8
Okay
7,752 reviews
SWISS
7.6
Good
1,863 reviews

Comfort

7.4

Crew

8.3

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.
British Airways
6.7
Okay
7,705 reviews
SWISS
7.6
Good
1,863 reviews

Comfort

7.4

Crew

8.3

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Henriette,Dec 2025

ZRH - JNB

The flight was good but again my luggage was delayed. The 2nd time now. I know it us at the airlines fault but maybe there have to be more control on which luggage on on which plane. Especially if a flight has been delayed.

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 13h 45m. There are 5336 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 Newark - Kos or Washington, D.C. Dulles 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$501Average$1,109FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$602Average$1,060FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$730Average$780FlexibilityNo cancel feeOn-time70%

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