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>

$116 CHEAP FLIGHTS from Illinois to Islip

ISP

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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

Wed, Jun 17 - Sat, Jun 20

4:17 pm - 8:57 pm

STL

ISP

27h 40m

1 stop

9:52 pm - 11:49 pm

ISP

STL

26h 57m

1 stop

$221Frontier

Tue, Oct 13 - Thu, Oct 15

6:05 am - 3:03 pm

ORD

ISP

7h 58m

1 stop

4:13 pm - 11:55 pm

ISP

ORD

8h 42m

1 stop

$261Frontier

Wed, Oct 21 - Wed, Nov 4

6:05 am - 3:03 pm

ORD

ISP

7h 58m

1 stop

3:43 pm - 11:50 pm

ISP

ORD

9h 07m

1 stop

$273Frontier

Wed, Jul 29 - Sun, Aug 2

4:09 pm - 10:03 am

STL

ISP

16h 54m

1 stop

10:48 am - 11:59 pm

ISP

STL

14h 11m

1 stop

$283Frontier

Thu, Jul 2 - Wed, Jul 8

8:10 pm - 8:20 am

STL

ISP

11h 10m

1 stop

2:55 pm - 7:15 pm

ISP

STL

5h 20m

1 stop

$301Southwest

Thu, Jul 2 - Wed, Jul 8

8:10 pm - 8:20 am

STL

ISP

11h 10m

1 stop

4:40 pm - 11:00 pm

ISP

STL

7h 20m

2 stops

$307Southwest

Fri, Jul 31 - Tue, Aug 4

4:09 pm - 9:58 am

STL

ISP

16h 49m

1 stop

4:41 pm - 11:59 pm

ISP

STL

8h 18m

1 stop

$308Frontier

Fri, Jul 31 - Tue, Aug 4

5:20 pm - 11:35 pm

STL

ISP

5h 15m

1 stop

3:20 pm - 10:10 pm

ISP

STL

7h 50m

2 stops

$318Southwest

Tue, Jun 16 - Mon, Jun 22

4:59 pm - 8:57 pm

ORD

ISP

26h 58m

1 stop

9:52 pm - 7:50 pm

ISP

ORD

22h 58m

2 stops

$322Frontier

Thu, Jul 30 - Tue, Aug 4

5:13 pm - 9:58 am

ORD

ISP

15h 45m

1 stop

5:00 pm - 11:44 pm

ISP

ORD

7h 44m

1 stop

$357Multiple Airlines

Useful Info

Low season	February
High season	July
Cheapest flight	$116

Best time to beat the crowds but there is an average 3% increase in price.

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

Flight from St. Louis 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

$116 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