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Kos

$682+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 23, 2025.

This Gotogate deal was found by Cheapflights users on 12/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/56:25 pmJFK - KGS
2 stops19h 10mMultiple Airlines
Thu 2/128:35 pmKGS - JFK
2 stops26h 05mMultiple Airlines
Deal found 12/22$682
This Emirates deal was found by Cheapflights users on 12/20. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:45 pmEWR - KGS
1 stop34h 20mEmirates
Wed 2/1112:35 pmKGS - EWR
1 stop15h 35mEmirates
Deal found 12/20$956
This Aegean Airlines deal was found by Cheapflights users on 12/20. 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2711:55 pmEWR - KGS
1 stop25h 55mAegean Airlines
Fri 5/16:00 amKGS - EWR
1 stop22h 20mAegean Airlines
Deal found 12/20$1,105
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:20 pmSEA - KGS
1 stop31h 00mBritish Airways
Wed 6/39:45 pmKGS - SEA
1 stop23h 50mBritish Airways
Deal found 12/21$1,155
This Ovago deal was found by Cheapflights users on 12/22. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:00 pmEWR - KGS
2 stops15h 35mMultiple Airlines
Thu 2/128:35 pmKGS - EWR
2 stops23h 05mMultiple Airlines
Deal found 12/22$695
This FlightHub deal was found by Cheapflights users on 12/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:55 pmATL - KGS
2 stops17h 30mBrussels Airlines
Sat 6/68:45 pmKGS - ATL
2 stops29h 22mBrussels Airlines
Deal found 12/21$1,462
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/213:55 pmATL - KGS
1 stop33h 55mLufthansa
Sat 6/69:40 amKGS - ATL
1 stop35h 05mLufthansa
Deal found 12/21$1,570
This Gotogate deal was found by Cheapflights users on 12/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/59:25 pmSFO - KGS
2 stops24h 40mMultiple Airlines
Thu 2/128:35 pmKGS - SFO
2 stops26h 05mMultiple Airlines
Deal found 12/22$755
This Gotogate deal was found by Cheapflights users on 12/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:50 pmMIA - KGS
2 stops17h 45mMultiple Airlines
Thu 2/128:35 pmKGS - MIA
2 stops25h 05mMultiple Airlines
Deal found 12/22$819
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:20 pmSEA - KGS
1 stop31h 00mBritish Airways
Mon 6/19:40 pmKGS - SEA
1 stop23h 55mBritish Airways
Deal found 12/21$1,220
This Ovago deal was found by Cheapflights users on 12/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:25 pmJFK - KGS
2 stops41h 30mMultiple Airlines
Sun 4/126:05 pmKGS - JFK
2 stops27h 55mMultiple Airlines
Deal found 12/21$926
This Trip.com deal was found by Cheapflights users on 12/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/211:55 pmEWR - KGS
1 stop25h 55mAegean Airlines
Sun 4/126:05 pmKGS - EWR
1 stop34h 15mAegean Airlines
Deal found 12/21$1,242
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:20 pmSEA - KGS
1 stop30h 45mBritish Airways
Wed 6/39:45 pmKGS - SEA
1 stop23h 50mBritish Airways
Deal found 12/21$1,241
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:45 pmSEA - KGS
1 stop15h 30mMultiple Airlines
Mon 6/111:40 pmKGS - SEA
2 stops44h 40mMultiple Airlines
Deal found 12/21$1,047
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:20 pmSEA - KGS
1 stop30h 45mBritish Airways
Thu 5/289:45 pmKGS - SEA
1 stop30h 40mBritish Airways
Deal found 12/21$1,306
This Emirates deal was found by Cheapflights users on 12/20. 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 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
Wed 2/1112:35 pmKGS - JFK
2 stops26h 40mEmirates
Deal found 12/20$1,591
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:45 pmEWR - KGS
2 stops39h 10mMultiple Airlines
Sun 4/126:05 pmKGS - EWR
1 stop27h 25mMultiple Airlines
Deal found 12/21$1,074
This British Airways deal was found by Cheapflights users on 12/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:20 pmSEA - KGS
1 stop30h 45mBritish Airways
Mon 6/19:40 pmKGS - SEA
1 stop23h 55mBritish Airways
Deal found 12/21$1,306
This Emirates deal was found by Cheapflights users on 12/22. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2710:20 pmJFK - KGS
3 stops36h 15mEmirates
Fri 5/11:05 pmKGS - JFK
3 stops36h 50mEmirates
Deal found 12/22$1,667
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:45 pmSEA - KGS
1 stop17h 15mMultiple Airlines
Mon 6/111:40 pmKGS - SEA
2 stops44h 40mMultiple Airlines
Deal found 12/21$1,083
This Emirates deal was found by Cheapflights users on 12/22. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:55 pmMIA - KGS
2 stops34h 40mEmirates
Tue 4/211:05 pmKGS - MIA
2 stops27h 55mEmirates
Deal found 12/22$1,830
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:45 pmSEA - KGS
1 stop15h 30mMultiple Airlines
Wed 6/311:25 pmKGS - SEA
2 stops26h 15mMultiple Airlines
Deal found 12/21$1,159
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:45 pmSEA - KGS
1 stop17h 15mMultiple Airlines
Tue 6/24:50 pmKGS - SEA
2 stops32h 50mMultiple Airlines
Deal found 12/21$1,215
This Emirates deal was found by Cheapflights users on 12/20. 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 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 12/20$2,176
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:00 amSEA - KGS
2 stops25h 45mMultiple Airlines
Sun 5/315:50 pmKGS - SEA
1 stop30h 40mMultiple Airlines
Deal found 12/21$1,334
This Gurufare deal was found by Cheapflights users on 12/21. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/212:30 pmATL - KGS
2 stops18h 55mMultiple Airlines
Sat 6/69:40 amKGS - ATL
1 stop35h 05mMultiple Airlines
Deal found 12/21$1,489
This Emirates deal was found by Cheapflights users on 12/22. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/293:35 pmLAX - KGS
2 stops63h 30mEmirates
Mon 2/212:35 pmKGS - LAX
2 stops34h 10mEmirates
Deal found 12/22$2,656
This Emirates deal was found by Cheapflights users on 12/20. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/43:40 pmSFO - KGS
2 stops39h 25mEmirates
Wed 2/1112:35 pmKGS - SFO
2 stops34h 15mEmirates
Deal found 12/20$3,553
This Air Canada deal was found by Cheapflights users on 12/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/24:00 pmLGA - KGS
2 stops18h 35mMultiple Airlines
Sun 4/129:20 amKGS - LGA
2 stops20h 11mMultiple Airlines
Deal found 12/21$2,150
This oojo deal was found by Cheapflights users on 12/21. 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 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 12/21$8,412

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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$682
(Gotogate)
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 23, 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

Thu 2/5

6:25 pm-8:35 pm

2 stops19h 10m

Kos

Thu 2/12

8:35 pm-3:40 pm

2 stops26h 05m

$682

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 2/5

10:00 pm-8:35 pm

2 stops15h 35m

Kos

Thu 2/12

8:35 pm-12:40 pm

2 stops23h 05m

$695

San FranciscoKos

SFO - KGS

SFOKGS

San Francisco

Thu 2/5

9:25 pm-8:05 am

2 stops24h 40m

Kos

Thu 2/12

8:35 pm-12:40 pm

2 stops26h 05m

$755

MiamiKos

MIA - KGS

MIAKGS

Miami

Thu 2/5

7:50 pm-8:35 pm

2 stops17h 45m

Kos

Thu 2/12

8:35 pm-2:40 pm

2 stops25h 05m

$819

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 4/2

7:25 pm-7:55 pm

2 stops41h 30m

Kos

Sun 4/12

6:05 pm-3:00 pm

2 stops27h 55m

$926

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 2/4

11:45 pm-5:05 pm

1 stop34h 20m

Kos

Wed 2/11

12:35 pm-9:10 pm

1 stop15h 35m

$956

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Sat 5/2

6:45 pm-8:15 pm

1 stop15h 30m

Kos

Mon 6/1

11:40 pm-10:20 am

2 stops44h 40m

$1,047

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 4/2

9:45 pm-7:55 pm

2 stops39h 10m

Kos

Sun 4/12

6:05 pm-2:30 pm

1 stop27h 25m

$1,074

SeattleKos

SEA - KGS

SEAKGS

Seattle/Tacoma Intl

Thu 4/30

6:45 pm-10:00 pm

1 stop17h 15m

Kos

Mon 6/1

11:40 pm-10:20 am

2 stops44h 40m

$1,083

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 4/27

11:55 pm-8:50 am

1 stop25h 55m

Kos

Fri 5/1

6:00 am-9:20 pm

1 stop22h 20m

$1,105

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 32 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

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 23, 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 23, 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

Crew

8.3

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.5

Comfort

7.4

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

Crew

8.3

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.5

Comfort

7.4

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
7,649 reviews
SWISS
7.5
Good
1,817 reviews

Crew

8.3

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.5

Comfort

7.4

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
7,606 reviews
SWISS
7.5
Good
1,817 reviews

Crew

8.3

Food

7.1

Boarding

7.7

Entertainment

6.8

Overall

7.5

Comfort

7.4

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 25h 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 New York LaGuardia - 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 23, 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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