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>

$61 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 24% 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.

Cheapest round-trip

$128

Frontier

Wed 12/10Sun 12/14

STL - ISP • 1 stop

Cheapest one-way

$61

Frontier

Mon 12/8

ORD - 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 Illinois to Islip

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois 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 Illinois to Islip

Wed, Dec 10 - Sun, Dec 14

3:30 pm - 10:44 pmSTL-ISP

6h 14m1 stop

11:15 am - 10:33 pmISP-STL

12h 18m1 stop

$128Frontier

Find Deal

Wed, Dec 10 - Mon, Dec 15

3:30 pm - 10:44 pmSTL-ISP

6h 14m1 stop

10:19 am - 10:33 pmISP-STL

13h 14m1 stop

$160Frontier

Find Deal

Mon, Dec 15 - Wed, Dec 17

2:26 pm - 7:34 pmORD-ISP

28h 08m1 stop

6:00 am - 10:18 amISP-ORD

29h 18m1 stop

$170Frontier

Find Deal

Fri, Dec 12 - Wed, Dec 17

2:26 pm - 9:13 amORD-ISP

17h 47m1 stop

6:00 am - 10:18 amISP-ORD

29h 18m1 stop

$230Frontier

Find Deal

Thu, Nov 27 - Mon, Dec 1

6:23 pm - 10:37 amORD-ISP

15h 14m1 stop

9:02 am - 3:12 pmISP-ORD

31h 10m2 stops

$250Frontier

Find Deal

Fri, Mar 6 - Mon, Mar 9

4:00 pm - 11:59 pmORD-ISP

6h 59m1 stop

6:00 am - 11:03 pmISP-ORD

18h 03m1 stop

$260Frontier

Find Deal

Mon, Nov 24 - Thu, Nov 27

6:15 pm - 10:18 amORD-ISP

15h 03m1 stop

10:02 am - 12:08 amISP-ORD

15h 06m2 stops

$271Frontier

Find Deal

Sun, Mar 1 - Thu, Mar 5

7:00 am - 10:40 amORD-ISP

26h 40m1 stop

10:42 am - 9:02 amISP-ORD

23h 20m1 stop

$280Frontier

Find Deal

Mon, Nov 24 - Thu, Nov 27

6:48 am - 10:18 amORD-ISP

26h 30m1 stop

10:02 am - 5:11 pmISP-ORD

8h 09m1 stop

$283Multiple Airlines

Find Deal

Wed, Dec 17 - Mon, Dec 22

5:10 am - 3:05 pmSTL-ISP

8h 55m2 stops

6:55 am - 2:00 pmISP-STL

8h 05m2 stops

$320Southwest

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$61

Best time to beat the crowds with an average 15% 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

$61 Find Cheap Flights from Illinois to Islip

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

Everything you should know

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