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>

$90 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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Cheapest round-trip

$182

Multiple Airlines

Tue 1/13Tue 1/20

PIT - ISP • 1 stop

Cheapest one-way

$90

Frontier

Fri 1/16

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Pennsylvania to Islip that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Tue, Jan 13 - Tue, Jan 20

10:45 am - 10:46 pm

PIT

ISP

12h 01m1 stop

12:00 pm - 11:44 pm

ISP

PIT

35h 44m2 stops

$182Multiple Airlines

Thu, Jan 15 - Thu, Jan 22

8:49 am - 7:03 pm

IAD

ISP

10h 14m1 stop

7:43 pm - 8:40 am

ISP

IAD

12h 57m1 stop

$183Frontier

Tue, Jan 13 - Tue, Jan 20

10:00 am - 4:15 pm

PIT

ISP

6h 15m1 stop

6:00 am - 12:10 pm

ISP

PIT

6h 10m1 stop

$193Southwest

Tue, Jan 13 - Tue, Jan 20

5:50 am - 2:35 pm

PIT

ISP

8h 45m2 stops

12:40 pm - 9:40 pm

ISP

PIT

9h 00m2 stops

$203Southwest

Thu, Jan 8 - Sun, Jan 11

3:21 pm - 1:21 pm

IAD

ISP

22h 00m2 stops

8:40 pm - 7:40 am

ISP

IAD

11h 00m1 stop

$214Multiple Airlines

Sat, Feb 14 - Fri, Feb 20

6:00 pm - 7:48 am

EWR

ISP

13h 48m2 stops

2:31 pm - 7:59 pm

ISP

EWR

5h 28m1 stop

$223Multiple Airlines

Thu, Jan 8 - Sun, Jan 11

3:55 pm - 9:55 pm

PIT

ISP

6h 00m1 stop

12:35 pm - 10:05 pm

ISP

PIT

9h 30m1 stop

$267Southwest

Thu, Apr 30 - Fri, May 8

6:00 am - 12:56 pm

EWR

ISP

6h 56m1 stop

1:51 pm - 11:48 pm

ISP

EWR

9h 57m1 stop

$438JetBlue

Thu, Jan 8 - Sun, Jan 11

2:10 pm - 11:15 am

IAD

ISP

21h 05m1 stop

11:55 am - 2:18 pm

ISP

IAD

26h 23m3 stops

$630Breeze Airways

Thu, Apr 30 - Fri, May 8

5:50 am - 12:56 pm

JFK

ISP

7h 06m1 stop

1:51 pm - 11:40 pm

ISP

JFK

9h 49m1 stop

$713JetBlue

Useful Info

Low season	January
High season	July
Cheapest flight	$90

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 6% 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

$90 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