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Kos

$343+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 July 25, 2026.

This SWISS deal was found by Cheapflights users on 7/22. 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 8/249:45 pm
EWR
-
KGS
1 stop14h 55m
SWISS
Tue 9/18:30 pm
KGS
-
EWR
1 stop30h 45m
SWISS
Deal found 7/22$809
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/74:45 pm
BOS
-
KGS
3 stops33h 05m
Multiple Airlines
Mon 9/1411:00 pm
KGS
-
BOS
2 stops22h 45m
Multiple Airlines
Deal found 7/24$830
This SWISS deal was found by Cheapflights users on 7/23. 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 8/249:45 pm
EWR
-
KGS
1 stop14h 55m
SWISS
Wed 9/28:40 pm
KGS
-
EWR
1 stop30h 35m
SWISS
Deal found 7/23$831
This Mytrip deal was found by Cheapflights users on 7/23. 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 8/248:25 pm
EWR
-
KGS
2 stops17h 40m
Multiple Airlines
Wed 9/211:30 am
KGS
-
EWR
3 stops33h 07m
Multiple Airlines
Deal found 7/23$841
This United deal was found by Cheapflights users on 7/22. 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.
Mon 8/249:30 pm
EWR
-
KGS
2 stops38h 35m
Multiple Airlines
Tue 9/18:30 pm
KGS
-
EWR
1 stop30h 45m
Multiple Airlines
Deal found 7/22$859
This United deal was found by Cheapflights users on 7/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 pm
EWR
-
KGS
1 stop14h 55m
Multiple Airlines
Wed 9/28:40 pm
KGS
-
EWR
1 stop30h 35m
Multiple Airlines
Deal found 7/20$883
This Justfly.com deal was found by Cheapflights users on 7/21. 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.
Thu 8/206:10 pm
JFK
-
KGS
1 stop15h 15m
Multiple Airlines
Wed 9/28:40 pm
KGS
-
JFK
1 stop23h 10m
Multiple Airlines
Deal found 7/21$906
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 8/278:30 pm
JFK
-
KGS
1 stop11h 40m
SWISS
Sat 9/198:45 pm
KGS
-
JFK
1 stop23h 05m
SWISS
Deal found 7/22$907
This Gotogate deal was found by Cheapflights users on 7/23. 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.
Mon 8/247:25 pm
JFK
-
KGS
2 stops17h 15m
SWISS
Wed 9/28:40 pm
KGS
-
JFK
2 stops24h 40m
SWISS
Deal found 7/23$912
This Mytrip deal was found by Cheapflights users on 7/24. 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 9/2111:10 pm
JFK
-
KGS
2 stops15h 55m
Multiple Airlines
Sat 9/268:45 pm
KGS
-
JFK
3 stops32h 40m
Multiple Airlines
Deal found 7/24$920
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/208:30 pm
JFK
-
KGS
1 stop11h 40m
SWISS
Wed 9/28:40 pm
KGS
-
JFK
2 stops24h 40m
SWISS
Deal found 7/20$922
This FlightHub deal was found by Cheapflights users on 7/22. 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 8/319:45 pm
EWR
-
KGS
1 stop14h 55m
Multiple Airlines
Mon 10/2612:40 pm
KGS
-
EWR
1 stop13h 25m
Multiple Airlines
Deal found 7/22$923

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 July 25, 2026.

Round-trip from

$789
(Kiwi.com)

One-way from

$343
(Kiwi.com)
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 July 25, 2026.
Use the filters below to find and compare flights from the United States to Kos that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 8/24

9:45 pm-7:40 pm

1 stop14h 55m

Kos

Wed 9/2

8:40 pm-8:15 pm

1 stop30h 35m

$831

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 8/24

9:45 pm-7:40 pm

1 stop14h 55m

Kos

Wed 9/2

11:25 pm-9:00 pm

2 stops28h 35m

$865

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 8/20

6:30 pm-4:25 pm

1 stop14h 55m

Kos

Wed 9/2

8:40 pm-8:15 pm

1 stop30h 35m

$883

Los AngelesKos

LAX - KGS

LAXKGS

Los Angeles Los Angeles

Sat 8/15

2:15 pm-8:55 am

2 stops32h 40m

Kos

Wed 9/2

9:40 pm-3:15 pm

2 stops27h 35m

$938

NewarkKos

EWR - KGS

EWRKGS

Newark

Sat 10/10

8:25 pm-12:35 pm

3 stops33h 10m

Kos

Sat 10/17

6:00 am-9:00 pm

3 stops22h 00m

$950

New YorkKos

LGA - KGS

LGAKGS

New York LaGuardia

Mon 8/24

8:45 am-10:10 pm

2 stops30h 25m

Kos

Wed 9/2

11:30 am-12:22 pm

3 stops31h 52m

$966

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 8/20

6:10 pm-4:25 pm

1 stop15h 15m

Kos

Wed 9/2

8:40 pm-12:50 pm

1 stop23h 10m

$973

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 8/24

11:10 pm-10:05 pm

2 stops15h 55m

Kos

Wed 9/2

8:35 am-8:05 pm

3 stops18h 30m

$984

New YorkKos

LGA - KGS

LGAKGS

New York LaGuardia

Thu 8/20

4:45 pm-10:15 pm

2 stops22h 30m

Kos

Wed 9/2

11:30 am-9:47 am

2 stops29h 17m

$988

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sat 8/22

4:15 pm-2:30 pm

1 stop15h 15m

Kos

Sat 8/29

8:35 pm-1:00 pm

1 stop23h 25m

$994

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 48 resultsSorted by cheapest first
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5

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
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
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
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

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 July 25, 2026.
Read reviews from past customers who have flown SWISS and Lufthansa 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
2,019 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

LAX - ZRH

I want the first option as an entree no more I ordered the Meat it was horrible. The aspect and the taste. First time on Swiss airlines ‘s Business class was surprise on the mediocre of the food. The seats are not as comfortable as in Emirates Brrtish airlines and Iberia airlines The service was ok not great The vanity xase is a joke Only socks, toothpaste and toothbrush. I just choose Swiss air because it was a direct flight. Next time I will rather have a flight nonstop that flying again with this company. I am a frequent flyer traveling 4 or 5 times a intraoceanic flight.but I do not think to flight for the moment again with Swiss. Great disappointment
SWISS
7.5
Good
2,019 reviews
SWISS
7.5
Good
2,019 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

LAX - ZRH

I want the first option as an entree no more I ordered the Meat it was horrible. The aspect and the taste. First time on Swiss airlines ‘s Business class was surprise on the mediocre of the food. The seats are not as comfortable as in Emirates Brrtish airlines and Iberia airlines The service was ok not great The vanity xase is a joke Only socks, toothpaste and toothbrush. I just choose Swiss air because it was a direct flight. Next time I will rather have a flight nonstop that flying again with this company. I am a frequent flyer traveling 4 or 5 times a intraoceanic flight.but I do not think to flight for the moment again with Swiss. Great disappointment
Lufthansa
6.8
Okay
8,156 reviews
SWISS
7.5
Good
2,019 reviews

Boarding

7.7

Crew

8.3

Food

7.1

Entertainment

6.8

Overall

7.5

Comfort

7.4

Reviews

1 / 20
6.0
Good

Anonymous,Jul 2026

LAX - ZRH

I want the first option as an entree no more I ordered the Meat it was horrible. The aspect and the taste. First time on Swiss airlines ‘s Business class was surprise on the mediocre of the food. The seats are not as comfortable as in Emirates Brrtish airlines and Iberia airlines The service was ok not great The vanity xase is a joke Only socks, toothpaste and toothbrush. I just choose Swiss air because it was a direct flight. Next time I will rather have a flight nonstop that flying again with this company. I am a frequent flyer traveling 4 or 5 times a intraoceanic flight.but I do not think to flight for the moment again with Swiss. Great disappointment

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 14h 55m. 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 Newark - Kos or Palm Beach 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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Top 2 airlines flying from USA to Kos

Discover the top 2 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$543Average$1,058FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$922Average$1,089FlexibilityNo cancel feeOn-time76%

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