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Kos

$608+ Cheap flights from Pennsylvania 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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KGS
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Pennsylvania to Kos

Cheapest flights from Pennsylvania to Kos
Explore the most affordable flight options available from Pennsylvania to Kos. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/1612:30 amJFK - KGS
2 stops52h 00mMultiple Airlines
Thu 4/1610:25 pmKGS - JFK
1 stop20h 30mMultiple Airlines
Deal found 12/14$1,193
This SmartFares deal was found by Cheapflights users on 12/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:45 pmEWR - KGS
1 stop34h 20mAegean Airlines
Thu 4/161:05 pmKGS - EWR
1 stop15h 15mAegean Airlines
Deal found 12/14$1,492
This Kiwi.com deal was found by Cheapflights users on 12/12. 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 12/2211:45 pmEWR - KGS
1 stop14h 30mMultiple Airlines
Sun 1/114:15 pmKGS - EWR
2 stops35h 45mMultiple Airlines
Deal found 12/12$1,554
This FlightHub deal was found by Cheapflights users on 12/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:15 pmJFK - KGS
2 stops17h 00mMultiple Airlines
Sun 1/1110:00 amKGS - JFK
2 stops15h 55mMultiple Airlines
Deal found 12/12$1,752
This SmartFares deal was found by Cheapflights users on 12/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:05 pmEWR - KGS
2 stops19h 00mMultiple Airlines
Thu 4/1611:05 amKGS - EWR
1 stop16h 05mMultiple Airlines
Deal found 12/14$2,108
This Gotogate deal was found by Cheapflights users on 12/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:20 pmJFK - KGS
3 stops35h 45mEmirates
Thu 4/161:05 pmKGS - JFK
2 stops26h 45mEmirates
Deal found 12/14$2,494

Find flight deals from Pennsylvania to Kos

Keep the following information in mind while searching for Pennsylvania to Kos flight deals. Data was last updated December 15, 2025.

Round-trip from

$577
(Kiwi.com)
From Pennsylvania to Kos
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 15, 2025.
Use the filters below to find and compare flights from Pennsylvania to Kos that are best for you.

Fly from

Pennsylvania

Fly to

Kos

Route

Depart

Return

Price

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 4/29

5:15 pm-9:55 pm

2 stops21h 40m

Kos

Mon 5/11

10:25 pm-1:20 pm

2 stops45h 55m

$641

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Wed 1/28

9:00 pm-12:05 pm

2 stops32h 05m

Kos

Wed 2/4

12:35 pm-1:05 pm

2 stops31h 30m

$646

NewarkKos

EWR - KGS

EWRKGS

Newark

Tue 4/28

9:50 pm-10:15 am

1 stop29h 25m

Kos

Mon 5/11

11:00 am-8:10 pm

1 stop16h 10m

$748

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 4/30

10:00 pm-8:50 am

2 stops27h 50m

Kos

Mon 5/11

11:15 am-9:20 pm

2 stops17h 05m

$931

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 3/22

6:30 pm-4:10 pm

2 stops15h 40m

Kos

Sat 3/28

8:35 pm-3:00 pm

2 stops24h 25m

$972

NewarkKos

EWR - KGS

EWRKGS

Newark

Thu 4/30

5:35 pm-4:25 pm

2 stops15h 50m

Kos

Sun 5/10

11:15 am-1:05 pm

1 stop32h 50m

$985

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sat 5/2

8:59 pm-1:20 pm

2 stops57h 21m

Kos

Sat 5/9

2:05 pm-2:15 pm

2 stops31h 10m

$996

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 3/22

11:00 pm-8:05 pm

2 stops15h 05m

Kos

Sun 3/29

9:20 am-6:45 pm

2 stops40h 25m

$1,003

NewarkKos

EWR - KGS

EWRKGS

Newark

Sun 3/22

11:55 pm-4:10 pm

1 stop34h 15m

Kos

Sun 3/29

1:05 pm-9:20 pm

1 stop15h 15m

$1,023

New YorkKos

LGA - KGS

LGAKGS

New York LaGuardia

Sun 3/22

12:40 pm-4:10 pm

2 stops21h 30m

Kos

Sun 3/29

9:20 am-10:31 pm

2 stops20h 11m

$1,400

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 18 results
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Best time to book a flight from Pennsylvania to Kos

Have a flexible travel schedule? Discover the best time to fly to Kos from Pennsylvania 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 Pennsylvania to Kos
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania?

    Kos (KGS) is the airport you will fly into if you book a flight from Pennsylvania to Kos. It is only a 12.8 mi journey from Kos (KGS) to Kos’s city center.

  • How long is the flight from Pennsylvania to Kos?

    A quick flight from Pennsylvania to Kos can take about 27h 50m. SWISS provides one of the quickest options available for as low as $931. The distance between Pennsylvania and Kos is about 5124 mi. 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 Pennsylvania to Kos?

    Most travelers choose New York John F Kennedy Intl - Kos, Newark - Kos or New York LaGuardia - Kos when deciding on the best route from Pennsylvania to Kos.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania 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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Alternative routes for Pennsylvania to Kos

See prices for flight routes from nearby airports that may be better suited for you.
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