When did momondo last update prices for flights from Pennsylvania to Kos Airport?

Prices for flights from Pennsylvania to Kos Airport are updated daily.

How many operators does momondo search for flights from Pennsylvania to Kos Airport?

The number of operators available for flights from Pennsylvania to Kos Airport is 3 as of October 2025.

How old do you have to be to fly from Pennsylvania to Kos Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Kos Airport.

What documentation or ID do you need to fly to Kos Airport?

The required travel and health documents for your Kos Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kos Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$332 Cheap Flights from Pennsylvania to Kos in 2025/26

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Find the cheapest flights from Pennsylvania to Kos

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One-way

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Cheap round-trip flights

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1:30 pm - 5:05 pmIAD-KGS

20h 35m2 stops

8:35 am - 11:45 amKGS-IAD

34h 10m2 stops

$755Multiple Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

1:30 pm - 8:05 amIAD-KGS

35h 35m3 stops

8:35 am - 11:45 amKGS-IAD

34h 10m3 stops

$919Multiple Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

11:40 am - 9:15 pmIAD-KGS

26h 35m3 stops

12:00 pm - 11:45 amKGS-IAD

30h 45m2 stops

$1,142Multiple Airlines

Find Deal

Fri, Nov 21 - Fri, Nov 28

12:00 pm - 8:05 pmIAD-KGS

25h 05m3 stops

12:00 pm - 11:45 amKGS-IAD

30h 45m2 stops

$1,154Multiple Airlines

Find Deal

Thu, Nov 20 - Thu, Nov 27

9:45 am - 4:10 pmIAD-KGS

23h 25m2 stops

12:00 pm - 11:45 amKGS-IAD

30h 45m2 stops

$1,257Multiple Airlines

Find Deal

Fri, Nov 21 - Fri, Nov 28

10:05 pm - 9:55 pmJFK-KGS

16h 50m2 stops

8:35 am - 5:45 pmKGS-JFK

16h 10m2 stops

$1,269Multiple Airlines

Find Deal

Tue, Mar 31 - Sun, Apr 12

11:55 pm - 12:35 pmEWR-KGS

29h 40m1 stop

6:05 pm - 9:20 pmKGS-EWR

34h 15m1 stop

$1,320Aegean Airlines

Find Deal

Wed, Apr 1 - Sun, Apr 5

11:55 pm - 12:35 pmEWR-KGS

29h 40m1 stop

6:05 pm - 9:20 pmKGS-EWR

34h 15m1 stop

$1,440Aegean Airlines

Find Deal

Wed, Apr 1 - Sun, Apr 5

1:30 pm - 9:15 pmIAD-KGS

24h 45m3 stops

12:35 pm - 11:45 amKGS-IAD

30h 10m3 stops

$1,459Multiple Airlines

Find Deal

Fri, Nov 21 - Fri, Nov 28

6:50 pm - 12:05 pmDCA-KGS

34h 15m3 stops

8:40 pm - 7:45 pmKGS-DCA

30h 05m3 stops

$1,472Multiple Airlines

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Fri, Nov 21 - Fri, Nov 28

Aegean Airlines flights from Pennsylvania to Kos

Our best Aegean Airlines deals on Pennsylvania to Kos flight tickets

Aegean Airlines

Apr 1

EWR11:55 pmNewark

29h 40m

1 stop

KGS12:35 pmKos

Apr 5

KGS6:05 pmKos

34h 15m

1 stop

EWR9:20 pmNewark

$1,320

Find similar

Aegean Airlines

Apr 1

EWR11:55 pmNewark

29h 40m

1 stop

KGS12:35 pmKos

Apr 5

KGS6:05 pmKos

34h 15m

1 stop

EWR9:20 pmNewark

$1,440

Find similar

Lufthansa flights from Pennsylvania to Kos

Our best Lufthansa deals on Pennsylvania to Kos flight tickets

Lufthansa

Oct 10

JFK5:30 pmNew York John F Kennedy Intl

18h 55m

1 stop

KGS7:25 pmKos

Oct 13

KGS12:40 pmKos

33h 20m

1 stop

JFK3:00 pmNew York John F Kennedy Intl

$563

Find similar

Lufthansa

Oct 10

JFK5:30 pmNew York John F Kennedy Intl

18h 55m

1 stop

KGS7:25 pmKos

Oct 13

KGS12:40 pmKos

33h 20m

1 stop

JFK3:00 pmNew York John F Kennedy Intl

$584

Find similar

Lufthansa

Oct 10

JFK3:45 pmNew York John F Kennedy Intl

20h 40m

2 stops

KGS7:25 pmKos

Oct 13

KGS12:40 pmKos

33h 20m

1 stop

JFK3:00 pmNew York John F Kennedy Intl

$650

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Thu 11/20

1:30 pm-5:05 pm

2 stops20h 35m

Kos

Thu 11/27

8:35 am-11:45 am

2 stops34h 10m

$755

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Thu 11/20

1:30 pm-8:05 am

3 stops35h 35m

Kos

Thu 11/27

8:35 am-11:45 am

3 stops34h 10m

$919

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Fri 11/21

11:40 am-9:15 pm

3 stops26h 35m

Kos

Fri 11/28

12:00 pm-11:45 am

2 stops30h 45m

$1,142

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Thu 11/20

12:00 pm-8:05 pm

3 stops25h 05m

Kos

Thu 11/27

12:00 pm-11:45 am

2 stops30h 45m

$1,154

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Fri 11/21

9:45 am-4:10 pm

2 stops23h 25m

Kos

Fri 11/28

12:00 pm-11:45 am

2 stops30h 45m

$1,257

New YorkKos

JFK - KGS

JFKKGS

New York John F Kennedy Intl

Tue 3/31

10:05 pm-9:55 pm

2 stops16h 50m

Kos

Sun 4/12

8:35 am-5:45 pm

2 stops16h 10m

$1,269

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 4/1

11:55 pm-12:35 pm

1 stop29h 40m

Kos

Sun 4/5

6:05 pm-9:20 pm

1 stop34h 15m

$1,320

NewarkKos

EWR - KGS

EWRKGS

Newark

Wed 4/1

11:55 pm-12:35 pm

1 stop29h 40m

Kos

Sun 4/5

6:05 pm-9:20 pm

1 stop34h 15m

$1,440

Washington, D.C.Kos

IAD - KGS

IADKGS

Washington, D.C. Dulles Intl

Fri 11/21

1:30 pm-9:15 pm

3 stops24h 45m

Kos

Fri 11/28

12:35 pm-11:45 am

3 stops30h 10m

$1,459

Washington, D.C.Kos

DCA - KGS

DCAKGS

Washington, D.C. Reagan-National

Fri 11/21

6:50 pm-12:05 pm

3 stops34h 15m

Kos

Fri 11/28

8:40 pm-7:45 pm

3 stops30h 05m

$1,472

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Pennsylvania to Kos

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Pennsylvania to Kos flights?

You could potentially save up to 9% on your flight if you consider stops on a Pennsylvania to Kos flight.

Cheap Pennsylvania to Kos flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Kos

Direct flights	None

There are no direct flights from Pennsylvania to Kos. There are no popular flight routes from Pennsylvania to Kos.

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When did momondo last update prices for flights from Pennsylvania to Kos Airport?
Prices for flights from Pennsylvania to Kos Airport are updated daily.
How many operators does momondo search for flights from Pennsylvania to Kos Airport?
The number of operators available for flights from Pennsylvania to Kos Airport is 3 as of October 2025.
How old do you have to be to fly from Pennsylvania to Kos Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pennsylvania to Kos Airport.
What documentation or ID do you need to fly to Kos Airport?
The required travel and health documents for your Kos Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kos Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Kardamena

Marmari

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Why should I use momondo to find a flight deal from Pennsylvania to Kos?

It is quick and easy to find Pennsylvania to Kos flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kos that suits you.

Can I find flights from Pennsylvania to Kos with flexible booking policies on momondo?

All flight searches from Pennsylvania to Kos on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Pennsylvania to Kos?

Once all potential Pennsylvania to Kos flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Pennsylvania to Kos right now. Can momondo alert me if prices change?

Price alerts on flights to Kos from Pennsylvania are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.