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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Illinois 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 Illinois 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 Illinois 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 Illinois 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 Illinois 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>

$107 CHEAP FLIGHTS from Illinois 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

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

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

Flight Deals

Cheap Flights from Illinois 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 Illinois to Islip

Tue, Mar 31 - Mon, Apr 13

3:52 pm - 1:21 am

ORD

ISP

8h 29m

1 stop

4:01 pm - 11:36 pm

ISP

ORD

8h 35m

1 stop

$160Frontier

Tue, Mar 31 - Sun, Apr 12

3:52 pm - 1:21 am

ORD

ISP

8h 29m

1 stop

8:36 pm - 8:17 am

ISP

ORD

12h 41m

1 stop

$181Frontier

Tue, Mar 3 - Thu, Mar 5

8:30 am - 8:40 am

ORD

ISP

23h 10m

1 stop

3:34 pm - 9:06 am

ISP

ORD

18h 32m

1 stop

$205Frontier

Sun, Mar 29 - Sun, Apr 12

9:47 pm - 10:13 am

ORD

ISP

11h 26m

1 stop

8:36 pm - 8:17 am

ISP

ORD

12h 41m

1 stop

$216Frontier

Thu, Apr 16 - Sun, Apr 19

3:31 pm - 9:13 am

ORD

ISP

16h 42m

1 stop

4:07 pm - 8:03 am

ISP

ORD

16h 56m

1 stop

$233Multiple Airlines

Wed, Mar 11 - Mon, Mar 16

4:18 pm - 4:13 pm

ORD

ISP

22h 55m

1 stop

10:58 am - 1:58 pm

ISP

ORD

28h 00m

1 stop

$236Frontier

Thu, Mar 5 - Mon, Mar 9

11:55 am - 12:47 pm

ORD

ISP

23h 52m

1 stop

1:22 pm - 11:38 pm

ISP

ORD

11h 16m

1 stop

$250Frontier

Thu, Mar 12 - Mon, Mar 16

5:20 am - 11:40 am

STL

ISP

5h 20m

1 stop

2:00 pm - 5:50 pm

ISP

STL

4h 50m

1 stop

$259Southwest

Thu, Mar 12 - Mon, Mar 16

5:20 am - 11:40 am

STL

ISP

5h 20m

1 stop

5:55 pm - 12:05 am

ISP

STL

7h 10m

2 stops

$264Southwest

Thu, Mar 12 - Mon, Mar 16

4:25 pm - 11:55 pm

STL

ISP

6h 30m

2 stops

5:55 pm - 12:05 am

ISP

STL

7h 10m

2 stops

$301Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$107

Best time to beat the crowds with an average 21% drop in price.

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

Flight from Chicago to Islip

How does KAYAK find such low prices on flights from Illinois 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 Illinois to Islip.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Islip?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Illinois 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 Illinois 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 Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois 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 Illinois 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

$115 Find Cheap Flights from Illinois to Islip

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

Cheap Flights from Illinois to Islip

Recent round-trip flight deals from Illinois to Islip

Recent one-way flight deals from Illinois to Islip

Recent last minute flight deals from Illinois to Islip

Good to know

FAQs for booking flights from Illinois to Islip

How does KAYAK find such low prices on flights from Illinois 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 Illinois to Islip.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Illinois 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 Illinois 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 Illinois with another airline.

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

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