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>

$147 CHEAP FLIGHTS from Pennsylvania to Islip

ISP

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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

Wed, Oct 22 - Fri, Oct 24

1:10 pm - 4:05 pmPIT-ISP

2h 55m1 stop

5:35 pm - 11:35 pmISP-PIT

6h 00m1 stop

$184Southwest

Find Deal

Wed, Oct 22 - Fri, Oct 24

4:25 pm - 10:05 pmPIT-ISP

5h 40m1 stop

3:20 pm - 11:35 pmISP-PIT

8h 15m2 stops

$189Southwest

Find Deal

Mon, Jul 21 - Tue, Jul 22

5:25 am - 1:04 pmPHL-ISP

7h 39m1 stop

8:00 am - 11:59 pmISP-PHL

15h 59m1 stop

$307Frontier

Find Deal

Fri, Jul 4 - Fri, Jul 11

1:29 pm - 7:36 pmIAD-ISP

6h 07m1 stop

8:37 pm - 12:51 pmISP-IAD

16h 14m1 stop

$318Frontier

Find Deal

Sat, Jul 12 - Mon, Jul 14

8:12 pm - 11:41 amDCA-ISP

15h 29m1 stop

12:55 pm - 11:00 amISP-DCA

22h 05m1 stop

$318JetBlue

Find Deal

Fri, Jul 11 - Fri, Jul 18

4:30 pm - 10:59 pmLGA-ISP

6h 29m1 stop

8:00 am - 10:02 pmISP-LGA

14h 02m1 stop

$346

Find Deal

Fri, Jun 27 - Sun, Jun 29

1:29 pm - 7:36 pmIAD-ISP

6h 07m1 stop

7:49 pm - 8:05 amISP-IAD

12h 16m1 stop

$440

Find Deal

Tue, Sep 23 - Thu, Oct 23

6:30 am - 2:44 pmLGA-ISP

8h 14m1 stop

3:39 pm - 9:59 pmISP-LGA

6h 20m1 stop

$454JetBlue

Find Deal

Thu, Aug 28 - Sun, Aug 31

9:08 pm - 9:56 amPIT-ISP

12h 48m1 stop

7:39 pm - 8:46 amISP-PIT

13h 07m2 stops

$535Breeze Airways

Find Deal

Fri, Jul 11 - Fri, Jul 18

1:29 pm - 1:32 pmPIT-ISP

24h 03m1 stop

10:36 am - 8:44 amISP-PIT

22h 08m1 stop

$551Breeze Airways

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$147

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 2% lower on average.

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.

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)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

ISP

$147 Find Cheap Flights from Pennsylvania to Islip

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

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.

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