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Kos

$783+ Cheap flights from Pennsylvania 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KGS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find 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 October 30, 2025.

This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/15:35 pmEWR - KGS
2 stops19h 30mMultiple Airlines
Mon 12/88:35 amKGS - EWR
2 stops17h 30mMultiple Airlines
Deal found 10/27$783
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:35 pmJFK - KGS
2 stops17h 30mMultiple Airlines
Mon 12/88:35 amKGS - JFK
2 stops18h 35mMultiple Airlines
Deal found 10/27$792
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:00 pmJFK - KGS
2 stops16h 05mMultiple Airlines
Thu 11/278:40 pmKGS - JFK
2 stops23h 25mMultiple Airlines
Deal found 10/27$979
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/95:30 pmJFK - KGS
2 stops15h 40mMultiple Airlines
Sun 11/169:05 pmKGS - JFK
2 stops23h 00mMultiple Airlines
Deal found 10/27$1,047
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:45 pmEWR - KGS
1 stop13h 20mAegean Airlines
Thu 11/2712:35 pmKGS - EWR
1 stop15h 35mAegean Airlines
Deal found 10/27$1,099
This FlightHub deal was found by Cheapflights users on 10/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:05 pmEWR - KGS
2 stops15h 05mMultiple Airlines
Thu 11/278:35 amKGS - EWR
2 stops17h 30mMultiple Airlines
Deal found 10/27$1,122
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Sun 12/148:30 pmIAD - KGS
2 stops17h 45mMultiple Airlines
Sun 12/219:45 pmKGS - IAD
2 stops49h 55mMultiple Airlines
Deal found 10/30$1,232
This Ovago deal was found by Cheapflights users on 10/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:40 pmIAD - KGS
2 stops19h 25mMultiple Airlines
Sun 12/219:05 pmKGS - IAD
2 stops27h 00mMultiple Airlines
Deal found 10/28$1,317
This Expedia deal was found by Cheapflights users on 10/30. 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.
Sun 12/1411:13 amDCA - KGS
2 stops21h 32mMultiple Airlines
Sun 12/219:45 pmKGS - DCA
2 stops30h 45mMultiple Airlines
Deal found 10/30$1,482

Cheap flight deals from Pennsylvania to Kos

Keep the following information in mind while searching for Pennsylvania to Kos flight deals. Data was last updated October 30, 2025.

Round-trip from

$792
(FlightHub)
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 October 30, 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

Mon 12/1

5:35 pm-8:05 pm

2 stops19h 30m

Kos

Mon 12/8

8:35 am-7:05 pm

2 stops17h 30m

$783

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 12/1

7:35 pm-8:05 pm

2 stops17h 30m

Kos

Mon 12/8

8:35 am-8:10 pm

2 stops18h 35m

$792

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Mon 11/17

9:00 pm-8:05 pm

2 stops16h 05m

Kos

Thu 11/27

8:40 pm-1:05 pm

2 stops23h 25m

$979

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Sun 11/9

5:30 pm-4:10 pm

2 stops15h 40m

Kos

Sun 11/16

9:05 pm-1:05 pm

2 stops23h 00m

$1,047

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 11/17

11:45 pm-8:05 pm

1 stop13h 20m

Kos

Thu 11/27

12:35 pm-9:10 pm

1 stop15h 35m

$1,099

NewarkKos

EWR - KGS

EWRKGS

Newark

Mon 11/17

6:05 pm-4:10 pm

2 stops15h 05m

Kos

Thu 11/27

8:35 am-7:05 pm

2 stops17h 30m

$1,122

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Sun 12/14

8:30 pm-9:15 pm

2 stops17h 45m

Kos

Sun 12/21

9:45 pm-4:40 pm

2 stops49h 55m

$1,232

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Mon 12/15

5:40 pm-8:05 pm

2 stops19h 25m

Kos

Sun 12/21

9:05 pm-5:05 pm

2 stops27h 00m

$1,317

Washington, D.C.Kos

DCA - KGS

DCAKGS

Washington, D.C. Reagan-National

Sun 12/14

11:13 am-3:45 pm

2 stops21h 32m

Kos

Sun 12/21

9:45 pm-9:30 pm

2 stops30h 45m

$1,482

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Thu 3/26

11:15 am-5:05 pm

2 stops23h 50m

Kos

Mon 3/30

1:05 pm-8:40 am

2 stops26h 35m

$2,127

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 13h 20m. Aegean Airlines provides one of the quickest options available for as low as $1,099. The distance between Pennsylvania and Kos is about 5124 mi.

  • What are the most popular routes from Pennsylvania to Kos?

    Most travelers choose Newark - Kos, New York John F Kennedy Intl - Kos or Washington, D.C. Dulles Intl - 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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