How does KAYAK find such low prices on flights from Pennsylvania to Islip?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Islip. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Islip?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Pennsylvania to Islip?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Pennsylvania with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Islip?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$86 CHEAP FLIGHTS from Pennsylvania to Islip

ISP

KAYAK searches hundreds of travel sites at once for deals on flights to Islip

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$197

Southwest

Sat 4/25Tue 4/28

PIT - ISP • 1 stop

Cheapest one-way

$86

Frontier

Thu 4/23

IAD - ISP • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Islip!

Flight Deals

Cheap Flights from Pennsylvania to Islip

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Pennsylvania to Islip

Sat, Apr 25 - Tue, Apr 28

4:55 pm - 11:20 pm

PIT

ISP

6h 25m

1 stop

4:10 pm - 10:10 pm

ISP

PIT

6h 00m

1 stop

$197Southwest

Sat, Apr 25 - Tue, Apr 28

4:55 pm - 11:20 pm

PIT

ISP

6h 25m

1 stop

12:30 pm - 8:45 pm

ISP

PIT

8h 15m

2 stops

$202Southwest

Sat, Apr 25 - Tue, Apr 28

7:15 am - 4:00 pm

PIT

ISP

8h 45m

2 stops

9:00 am - 6:15 pm

ISP

PIT

9h 15m

2 stops

$207Southwest

Sun, Feb 15 - Tue, Feb 17

5:15 am - 4:12 pm

EWR

ISP

10h 57m

2 stops

8:00 am - 2:05 pm

ISP

EWR

30h 05m

1 stop

$317Multiple Airlines

Thu, Mar 5 - Thu, Mar 12

6:22 pm - 12:47 pm

PIT

ISP

18h 25m

1 stop

7:26 pm - 3:05 pm

ISP

PIT

19h 39m

2 stops

$332Multiple Airlines

Thu, Mar 5 - Sun, Mar 8

10:10 am - 12:47 pm

IAD

ISP

26h 37m

1 stop

5:08 pm - 7:24 am

ISP

IAD

14h 16m

1 stop

$405Frontier

Sat, Apr 11 - Mon, Apr 13

3:57 pm - 11:50 pm

IAD

ISP

7h 53m

1 stop

5:45 am - 3:12 pm

ISP

IAD

9h 27m

1 stop

$639Frontier

Sun, Feb 15 - Tue, Feb 17

9:30 pm - 8:39 am

LGA

ISP

11h 09m

1 stop

1:28 pm - 10:57 pm

ISP

LGA

9h 29m

1 stop

$658JetBlue

Sun, Feb 8 - Sun, Feb 15

8:00 pm - 8:52 am

JFK

ISP

12h 52m

1 stop

9:29 am - 4:20 pm

ISP

JFK

6h 51m

1 stop

$794JetBlue

Thu, Mar 5 - Thu, Mar 12

2:10 pm - 11:15 am

IAD

ISP

21h 05m

1 stop

11:55 am - 2:18 pm

ISP

IAD

26h 23m

3 stops

$818Breeze Airways

Useful Info

Low season	January
High season	July
Cheapest flight	$86

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 5% increase in price.

Flight from Washington Dulles Airport to Islip

How does KAYAK find such low prices on flights from Pennsylvania to Islip?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Islip.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Islip?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Pennsylvania to Islip?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Pennsylvania with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Islip?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Riverhead

Amagansett

Everything you need to know for your flight to Islip

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Islip

Islip (ISP)

ISP

$86 Find Cheap Flights from Pennsylvania to Islip

KAYAK searches hundreds of travel sites at once for deals on flights to Islip

Everything you should know

Cheap Flights from Pennsylvania to Islip

Recent round-trip flight deals from Pennsylvania to Islip

Recent one-way flight deals from Pennsylvania to Islip

Recent last minute flight deals from Pennsylvania to Islip

Good to know

FAQs for booking flights from Pennsylvania to Islip

How does KAYAK find such low prices on flights from Pennsylvania to Islip?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Pennsylvania to Islip.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Pennsylvania to Islip?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Pennsylvania is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Pennsylvania to Islip?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Pennsylvania with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Pennsylvania to Islip?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Pennsylvania up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Islip?

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Cabin class types available on flights to Pennsylvania

Complete your trip to Islip with a hotel stay or car rental

Find direct flights for Islip

Flights to other popular destinations

Flights from domestic origins to Islip

Choose which airport to fly into in Islip

Find deals for your return flight