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>

$97 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 22% 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.

Flights Deals

Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Islip

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Islip.

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

5:45 pm - 10:41 amSTL-ISP

15h 56m1 stop

6:48 pm - 12:06 amISP-STL

6h 18m1 stop

$200Frontier

Find Deal

Mon, May 12 - Sun, May 18

9:17 am - 7:34 pmORD-ISP

9h 17m1 stop

9:06 pm - 8:22 amISP-ORD

12h 16m1 stop

$208Frontier

Find Deal

Thu, May 22 - Sat, May 24

5:45 pm - 10:12 amSTL-ISP

15h 27m1 stop

6:48 pm - 12:06 amISP-STL

6h 18m1 stop

$208Frontier

Find Deal

Thu, May 15 - Mon, May 19

4:15 pm - 10:12 amORD-ISP

16h 57m1 stop

5:23 pm - 4:03 pmISP-ORD

23h 40m1 stop

$211Frontier

Find Deal

Sat, May 10 - Fri, May 16

9:19 am - 3:40 pmORD-ISP

29h 21m1 stop

8:26 pm - 12:06 amISP-ORD

28h 40m1 stop

$218Frontier

Find Deal

Sat, May 17 - Fri, Jun 6

5:55 pm - 7:51 amORD-ISP

12h 56m1 stop

8:26 pm - 12:06 amISP-ORD

28h 40m1 stop

$221Frontier

Find Deal

Thu, Jun 5 - Fri, Jun 6

5:05 pm - 12:05 amSTL-ISP

6h 00m1 stop

11:40 am - 8:10 pmISP-STL

9h 30m1 stop

$227Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

3:35 pm - 12:05 amSTL-ISP

7h 30m2 stops

11:40 am - 8:10 pmISP-STL

9h 30m1 stop

$232Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

3:35 pm - 12:05 amSTL-ISP

7h 30m2 stops

6:00 am - 1:25 pmISP-STL

8h 25m2 stops

$292Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

5:05 am - 6:25 pmORD-ISP

12h 20m1 stop

11:02 am - 12:05 amISP-ORD

14h 03m1 stop

$304

Find Deal

Sat, May 17 - Mon, May 19

Useful Info

Low season	January
High season	July
Cheapest flight	$97

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly and prices are also 7% lower on average.

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.

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

$97 Find Cheap Flights from Illinois to Islip

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

Cheap Flight Deals 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.

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