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Kos

$297+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — KGS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$489
(Kiwi.com)

One-way from

$297
(Kiwi.com)
From Newark to Kos
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One-way flight from Newark to Kos
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Find flight deals from Newark to Kos

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 August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 9/89:50 pmEWR - KGS
1 stop14h 50mMultiple Airlines
Mon 9/158:50 pmKGS - EWR
1 stop24h 05mMultiple Airlines
Deal found 8/12$489
This Ovago deal was found by Cheapflights users on 8/12. 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.
Tue 8/198:30 pmEWR - KGS
1 stop15h 35mMultiple Airlines
Wed 8/278:40 pmKGS - EWR
1 stop23h 45mMultiple Airlines
Deal found 8/12$500
This oojo deal was found by Cheapflights users on 8/13. 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.
Sat 9/69:50 pmEWR - KGS
1 stop29h 20mSWISS
Tue 9/168:30 pmKGS - EWR
1 stop30h 40mSWISS
Deal found 8/13$551
This United deal was found by Cheapflights users on 8/13. 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 8/256:15 pmEWR - KGS
2 stops18h 25mMultiple Airlines
Wed 9/39:40 pmKGS - EWR
2 stops25h 00mMultiple Airlines
Deal found 8/13$563
This KAYAK deal was found by Cheapflights users on 8/13. 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.
Tue 8/269:50 pmEWR - KGS
1 stop15h 05mSWISS
Sun 9/73:15 pmKGS - EWR
1 stop35h 55mSWISS
Deal found 8/13$568
This oojo deal was found by Cheapflights users on 8/14. 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 10/109:50 pmEWR - KGS
1 stop33h 40mMultiple Airlines
Mon 10/138:50 pmKGS - EWR
1 stop24h 05mMultiple Airlines
Deal found 8/14$577
This oojo deal was found by Cheapflights users on 8/13. 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 10/105:40 pmEWR - KGS
1 stop17h 15mAustrian Airlines
Mon 10/138:50 pmKGS - EWR
1 stop24h 05mAustrian Airlines
Deal found 8/13$585
This Kiwi.com deal was found by Cheapflights users on 8/14. 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.
Fri 9/125:40 pmEWR - KGS
1 stop17h 15mAustrian Airlines
Fri 9/199:35 pmKGS - EWR
1 stop23h 20mAustrian Airlines
Deal found 8/14$594
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 8/269:50 pmEWR - KGS
1 stop15h 05mSWISS
Wed 9/38:40 pmKGS - EWR
1 stop30h 30mSWISS
Deal found 8/13$614
This Orbitz deal was found by Cheapflights users on 8/14. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:40 pmEWR - KGS
1 stop17h 15mMultiple Airlines
Fri 9/199:35 pmKGS - EWR
2 stops29h 22mMultiple Airlines
Deal found 8/14$624

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 August 14, 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 9/8

9:50 pm-7:40 pm

1 stop14h 50m

Kos

Mon 9/15

8:50 pm-1:55 pm

1 stop24h 05m

$489

NewarkKos

EWR - KGS

EWRKGS

Newark

Sat 9/6

9:50 pm-10:10 am

1 stop29h 20m

Kos

Tue 9/16

8:30 pm-8:10 pm

1 stop30h 40m

$551

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 8/25

6:15 pm-7:40 pm

2 stops18h 25m

Kos

Wed 9/3

9:40 pm-3:40 pm

2 stops25h 00m

$563

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 8/26

9:50 pm-7:55 pm

1 stop15h 05m

Kos

Sun 9/7

3:15 pm-8:10 pm

1 stop35h 55m

$568

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 10/10

9:50 pm-2:30 pm

1 stop33h 40m

Kos

Wed 10/15

9:40 pm-1:55 pm

1 stop23h 15m

$577

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 10/10

9:50 pm-2:30 pm

1 stop33h 40m

Kos

Mon 10/13

8:50 pm-1:55 pm

1 stop24h 05m

$577

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 10/10

5:40 pm-5:55 pm

1 stop17h 15m

Kos

Mon 10/13

8:50 pm-1:55 pm

1 stop24h 05m

$585

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 9/12

5:40 pm-5:55 pm

1 stop17h 15m

Kos

Fri 9/19

9:35 pm-1:55 pm

1 stop23h 20m

$594

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 8/26

9:50 pm-7:55 pm

1 stop15h 05m

Kos

Wed 9/3

8:40 pm-8:10 pm

1 stop30h 30m

$614

NewarkKos

EWR - KGS

EWRKGS

Newark

Fri 9/12

5:40 pm-5:55 pm

1 stop17h 15m

Kos

Fri 9/19

9:35 pm-7:57 pm

2 stops29h 22m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 18 results
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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.

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 August 14, 2025.
Read reviews from past customers who have flown SWISS and Lufthansa from Newark Airport 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
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
SWISS
7.6
Good
1,699 reviews
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.
Lufthansa
6.8
Okay
7,317 reviews
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

ZRH - ATH

The website is difficult to navigate. You pay for everything. The carry on baggage policy is complicated. The food choices were poor and the seat was uncomfortable.

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 SWISS. Our recent data shows that you can find tickets from as low as $505 on this airline. An additional option worth looking into is Lufthansa, starting at $726.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$505Average$1,060FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$726Average$1,212FlexibilityNo cancel feeOn-time76%

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