ISP

$139 Find Cheap Flights from Illinois to Islip

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Islip departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.

Recent round-trip flight deals from Illinois to Islip

Tue, Sep 8 - Sat, Sep 12
Frontier Logo
5:30 pm - 9:33 am
ORD
-
ISP
15h 03m
1 stop
Frontier Logo
4:13 pm - 11:55 pm
ISP
-
ORD
8h 42m
1 stop
$270Frontier
Sat, Sep 12 - Wed, Sep 16
Frontier Logo
4:49 pm - 9:33 am
ORD
-
ISP
15h 44m
1 stop
Frontier Logo
4:13 pm - 11:55 pm
ISP
-
ORD
8h 42m
1 stop
$271Frontier
Thu, Sep 24 - Sun, Sep 27
Frontier Logo
4:49 pm - 9:33 am
ORD
-
ISP
15h 44m
1 stop
Frontier Logo
4:13 pm - 11:55 pm
ISP
-
ORD
8h 42m
1 stop
$318Frontier
Wed, Jul 1 - Wed, Jul 15
Frontier Logo
4:59 pm - 10:03 am
ORD
-
ISP
16h 04m
1 stop
Frontier Logo
10:57 am - 11:10 pm
ISP
-
ORD
13h 13m
1 stop
$321Frontier
Wed, Jul 1 - Tue, Jul 7
Southwest Logo
3:30 pm - 10:35 pm
STL
-
ISP
6h 05m
1 stop
Southwest Logo
6:00 am - 11:30 am
ISP
-
STL
6h 30m
1 stop
$328Southwest
Wed, Jul 1 - Tue, Jul 7
Southwest Logo
10:30 am - 10:35 pm
STL
-
ISP
11h 05m
2 stops
Southwest Logo
6:00 am - 11:30 am
ISP
-
STL
6h 30m
1 stop
$333Southwest
Wed, Jul 1 - Tue, Jul 7
Southwest Logo
10:30 am - 10:35 pm
STL
-
ISP
11h 05m
2 stops
Southwest Logo
4:40 pm - 11:05 pm
ISP
-
STL
7h 25m
2 stops
$338Southwest
Thu, Jul 9 - Mon, Jul 13
Multiple Airlines Logo
5:13 pm - 9:53 am
ORD
-
ISP
15h 40m
1 stop
Multiple Airlines Logo
6:00 am - 1:39 pm
ISP
-
ORD
8h 39m
1 stop
$353Multiple Airlines
Tue, Sep 1 - Wed, Sep 2
JetBlue Logo
2:35 pm - 10:56 pm
ORD
-
ISP
7h 21m
1 stop
JetBlue Logo
6:00 am - 1:39 pm
ISP
-
ORD
8h 39m
1 stop
$363JetBlue
Fri, Aug 7 - Tue, Aug 11
Multiple Airlines Logo
5:13 pm - 9:53 am
ORD
-
ISP
15h 40m
1 stop
Multiple Airlines Logo
5:27 pm - 7:53 pm
ISP
-
ORD
27h 26m
2 stops
$368Multiple Airlines
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Good to know

Low seasonFebruary
Cheapest flight$139
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Chicago to Islip

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?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Amagansett

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Islip (ISP)