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Kos

$359+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — KGS
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$569
(Mytrip)

One-way from

$359
(Kiwi.com)
Provider with most accurate pricing for New York (NYC)-Kos flight deals.
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Provider most trusted by Cheapflights users for New York (NYC)-Kos flights.
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From USA to Kos
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One-way flight from USA to Kos
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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 April 30, 2025.

This SWISS deal was found by Cheapflights users on 4/28. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:50 pmEWR - KGS
1 stop15h 05mSWISS
Tue 8/268:30 pmKGS - EWR
1 stop30h 40mSWISS
Deal found 4/28$619
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Tue 7/85:30 pmJFK - KGS
1 stop18h 35mMultiple Airlines
Tue 8/268:30 pmKGS - JFK
1 stop23h 20mMultiple Airlines
Deal found 4/28$620
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Thu 7/174:15 pmJFK - KGS
1 stop15h 55mSWISS
Wed 8/278:40 pmKGS - JFK
1 stop23h 10mSWISS
Deal found 4/28$667
This British Airways deal was found by Cheapflights users on 4/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/107:45 pmJFK - KGS
1 stop18h 15mBritish Airways
Thu 9/49:45 pmKGS - JFK
1 stop27h 20mBritish Airways
Deal found 4/28$673
This SmartFares deal was found by Cheapflights users on 4/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/59:50 pmEWR - KGS
1 stop29h 20mMultiple Airlines
Thu 8/217:30 pmKGS - EWR
1 stop27h 10mMultiple Airlines
Deal found 4/29$705
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Tue 6/248:30 pmEWR - KGS
1 stop15h 35mLufthansa
Thu 9/47:30 pmKGS - EWR
1 stop27h 10mLufthansa
Deal found 4/29$730
This FlightHub deal was found by Cheapflights users on 4/28. 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.
Tue 6/245:30 pmJFK - KGS
1 stop18h 35mLufthansa
Thu 9/47:30 pmKGS - JFK
2 stops26h 30mLufthansa
Deal found 4/28$749
This Brussels Airlines deal was found by Cheapflights users on 4/28. 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 Brussels Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/173:45 pmJFK - KGS
2 stops17h 35mBrussels Airlines
Wed 8/2711:15 amKGS - JFK
2 stops58h 45mBrussels Airlines
Deal found 4/28$753
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/199:45 pmJFK - KGS
1 stop16h 00mAustrian Airlines
Sat 6/286:45 pmKGS - JFK
1 stop32h 20mAustrian Airlines
Deal found 4/29$857
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/175:40 pmEWR - KGS
1 stop20h 05mAustrian Airlines
Fri 8/19:35 pmKGS - EWR
1 stop23h 20mAustrian Airlines
Deal found 4/29$972
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/136:30 pmORD - KGS
2 stops19h 00mMultiple Airlines
Fri 6/2011:40 amKGS - ORD
3 stops26h 57mMultiple Airlines
Deal found 4/29$1,018
This SWISS deal was found by Cheapflights users on 4/29. 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 7/145:05 pmBOS - KGS
1 stop19h 35mSWISS
Thu 7/2411:00 amKGS - BOS
1 stop35h 25mSWISS
Deal found 4/29$1,048

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 April 30, 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

Tue 7/8

9:50 pm-7:55 pm

1 stop15h 05m

Kos

Tue 8/26

8:30 pm-8:10 pm

1 stop30h 40m

$619

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 7/8

5:30 pm-7:05 pm

1 stop18h 35m

Kos

Tue 8/26

8:30 pm-12:50 pm

1 stop23h 20m

$620

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 8/7

8:30 pm-3:10 pm

1 stop11h 40m

Kos

Mon 8/18

11:00 am-12:50 pm

1 stop32h 50m

$658

NewarkKos

EWR - KGS

EWRKGS

Newark

Sat 7/5

9:50 pm-10:10 am

1 stop29h 20m

Kos

Thu 8/21

7:30 pm-3:40 pm

1 stop27h 10m

$705

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 6/24

8:30 pm-7:05 pm

1 stop15h 35m

Kos

Thu 9/4

7:30 pm-3:40 pm

1 stop27h 10m

$730

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Wed 6/25

8:05 pm-8:45 pm

1 stop17h 40m

Kos

Thu 9/4

9:45 pm-6:05 pm

1 stop27h 20m

$752

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 7/17

3:45 pm-4:20 pm

2 stops17h 35m

Kos

Wed 8/27

11:15 am-3:00 pm

2 stops58h 45m

$753

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Fri 7/18

5:30 pm-7:25 pm

1 stop18h 55m

Kos

Sat 8/23

8:15 pm-3:00 pm

1 stop25h 45m

$766

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Thu 6/19

9:45 pm-8:45 pm

1 stop16h 00m

Kos

Sat 6/28

6:45 pm-8:05 pm

1 stop32h 20m

$857

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 7/17

5:40 pm-8:45 pm

1 stop20h 05m

Kos

Fri 8/1

9:35 pm-1:55 pm

1 stop23h 20m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 40 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 April 30, 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.

Rainfall in Kos by month

Plan your trip to Kos by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kos ranges from 0.1 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. July is typically the driest time to visit Kos when rainfall is around 0.1 in.

Temperature in Kos by month

Plan your trip to Kos by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kos, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 50.0 F).

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 April 30, 2025.
Read reviews from past customers who have flown Aegean Airlines, Emirates and Austrian Airlines from USA to Kos. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.1
Very good
739 reviews
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Emirates
8.0
Very good
3,215 reviews
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
780 reviews
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,588 reviews
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Brussels Airlines
7.4
Good
346 reviews
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Food

7.3

Boarding

7.8

Comfort

7.8

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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.

  • What are the cheapest airlines to fly from USA to Kos one-way?

    For one-way options, check prices for SWISS. According to our data, you can fly for as low as $561. Users have also found prices from $567 and $580 on Lufthansa and Brussels Airlines, respectively.

  • 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 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$698Average$1,113FlexibilityNo cancel feeOn-time76%
SWISSCheapest$844Average$1,069FlexibilityNo cancel feeOn-time79%

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