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$500+ Cheap flights from Newark (EWR) 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — KGS
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Cheap flight deals from Newark to Kos

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Kos (KGS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$798
(Lufthansa)

One-way from

$500
(Kiwi.com)
Provider with most accurate pricing for Newark-Kos flight deals.
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Provider most trusted by Cheapflights users for Newark-Kos flights.
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One-way flight from Newark to Kos
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Cheapest flights from Newark to Kos
Explore the most affordable flight options available from Newark to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/128:30 pmEWR - KGS
2 stops33h 10mLufthansa
Mon 9/112:40 pmKGS - EWR
1 stop13h 05mLufthansa
Deal found 4/28$798
This Gotogate deal was found by Cheapflights users on 4/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/259:50 pmEWR - KGS
1 stop34h 20mSWISS
Thu 9/1811:00 amKGS - EWR
1 stop16h 10mSWISS
Deal found 4/27$827
This Expedia deal was found by Cheapflights users on 4/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/259:50 pmEWR - KGS
1 stop34h 20mMultiple Airlines
Thu 9/187:30 pmKGS - EWR
2 stops30h 30mMultiple Airlines
Deal found 4/27$849
This Austrian 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/208:00 pmEWR - KGS
2 stops30h 15mAustrian Airlines
Fri 9/129:35 pmKGS - EWR
2 stops45h 20mAustrian Airlines
Deal found 4/28$1,025
This Aegean 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:55 pmEWR - KGS
1 stop17h 00mAegean Airlines
Tue 9/211:25 amKGS - EWR
1 stop16h 55mAegean Airlines
Deal found 4/28$1,931

Cheapflights Fare Finder

Customize your flight search to find flights from Newark 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 28, 2025.
Use the filters below to find and compare flights from Newark Airport to Kos that are best for you.

Fly from

Newark

Fly to

Kos

Route

Depart

Return

Price

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 5/12

8:30 pm-12:40 pm

2 stops33h 10m

Kos

Mon 9/1

12:40 pm-6:45 pm

1 stop13h 05m

$798

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 6/25

9:50 pm-3:10 pm

1 stop34h 20m

Kos

Thu 9/18

11:00 am-8:10 pm

1 stop16h 10m

$827

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 6/25

9:50 pm-3:10 pm

1 stop34h 20m

Kos

Thu 9/18

7:30 pm-7:00 pm

2 stops30h 30m

$849

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 7/20

8:00 pm-9:15 am

2 stops30h 15m

Kos

Fri 9/12

9:35 pm-11:55 am

2 stops45h 20m

$1,025

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 5/12

11:55 pm-11:55 pm

1 stop17h 00m

Kos

Tue 9/2

11:25 am-9:20 pm

1 stop16h 55m

$1,931

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 5/19

11:00 pm-1:20 pm

2 stops31h 20m

$500

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 5/18

9:50 pm-6:45 pm

1 stop13h 55m

$561

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 5/21

6:00 pm-6:40 pm

1 stop17h 40m

$567

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 5/22

5:40 pm-8:45 pm

1 stop20h 05m

$1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Newark to Kos

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Kos in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Newark Airport-Kos flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Newark Airport-Kos flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Newark Airport-Kos flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Kos flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Kos flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Newark 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 Newark Airport to Kos

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 28, 2025.
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

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

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

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

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

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
1,587 reviews
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.7
Okay
7,042 reviews
Aegean Airlines
8.1
Very good
739 reviews

Overall

8.1

Crew

8.6

Entertainment

6.9

Boarding

7.8

Food

7.3

Comfort

7.8

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 Newark 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 Newark?

    For a flight from Newark to Kos, you will be flying into Kos. Kos (KGS) is just 12.8 mi from the center of the city. Kos is the only Kos airport and it handles 0 inbound flights from Newark per day. 2 airlines have flights to Kos from Newark on a regular basis.

  • What are the cheapest airlines flying from Newark Airport to Kos round-trip?

    Our cheapest airline available from Newark Airport to Kos is Lufthansa. Our recent data shows that you can find tickets from as low as $798 on this airline. Additional options worth looking into are SWISS and Austrian Airlines, starting at $827 and $1,025 round-trip.

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

    The cheapest airlines for a one-way flight from Newark Airport to Kos are SWISS ($561), Lufthansa ($567), and Austrian Airlines ($1,039).

  • Can I find deals for flights from Newark to Kos that include hotel bookings?

    Yes. In addition to deals on Newark to Kos flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to Kos?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Kos.

  • Can I find deals for business class flights from Newark to Kos?

    Yes. Cheapflights offers flight deals from Newark 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

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Top 2 airlines flying from Newark to Kos

Discover the top 2 airlines that operate flights from Newark 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$830Average$1,258FlexibilityNo cancel feeOn-time76%
SWISSCheapest$972Average$1,105FlexibilityNo cancel feeOn-time79%

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