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Cheap flights from Illinois to Islip (ISP) from $81

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. 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.
ORD — ISP
May 23 — May 301
From?
To?
Thu 5/23
Thu 5/30
1 adult, Economy
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How far in advance should I book a flight from Illinois to Islip, New York?

To save on the cost of your flight from Illinois to Islip, New York, book at least 54 days before your planned departure. Booking around this time can save you about 123% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $276 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $368.

What is the cheapest month to fly from Illinois to Islip, New York?

February is one of the best times of the year to fly to Islip, New York from Illinois. Prices for February average $227 per person but you can even find prices for as low as $74. The most expensive prices can be found in the month of June. Opting for a February flight can save you 27% on your journey compared to booking in June

When is the cheapest time to fly from Illinois to Islip, New York (IL - ISP)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Islip, New York as you normally would.

Cheap Frontier flights from Illinois to Islip

Explore cheap flight options specifically provided by Frontier for the route between Illinois and Islip. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
Tue 6/47:00 amORD - ISP
1 stop12h 23mFrontier
Wed 6/54:46 pmISP - ORD
1 stop9h 21mFrontier
Deal found 5/16$140
Thu 5/307:00 amORD - ISP
1 stop10h 06mFrontier
Sat 6/14:49 pmISP - ORD
1 stop9h 09mFrontier
Deal found 5/17$145
Sat 6/19:29 pmSTL - ISP
1 stop9h 44mFrontier
Tue 6/49:42 pmISP - STL
1 stop10h 40mFrontier
Deal found 5/17$150
Thu 6/137:13 pmORD - ISP
1 stop11h 27mFrontier
Sun 6/1610:23 pmISP - ORD
1 stop27h 45mFrontier
Deal found 5/17$156
Fri 5/315:56 pmORD - ISP
1 stop13h 17mFrontier
Fri 6/74:46 pmISP - ORD
1 stop9h 22mFrontier
Deal found 5/17$158
Wed 5/295:56 pmORD - ISP
1 stop13h 17mFrontier
Tue 6/44:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/17$159
Fri 9/136:42 pmSTL - ISP
1 stop12h 44mFrontier
Sat 9/145:25 pmISP - STL
1 stop14h 37mFrontier
Deal found 5/17$160
Tue 5/287:00 amORD - ISP
1 stop12h 23mFrontier
Mon 6/34:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/16$164
Sun 6/26:25 amORD - ISP
1 stop10h 41mFrontier
Thu 6/611:37 amISP - ORD
1 stop6h 10mFrontier
Deal found 5/17$168

Cheap Illinois to Islip flights in May & June 2024

Find cheap flight options from Illinois to Islip specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Prices were last updated on May 18, 2024.
Tue 6/47:00 amORD - ISP
1 stop12h 23mFrontier
Wed 6/54:46 pmISP - ORD
1 stop9h 21mFrontier
Deal found 5/16$140
Thu 5/307:00 amORD - ISP
1 stop10h 06mFrontier
Sat 6/14:49 pmISP - ORD
1 stop9h 09mFrontier
Deal found 5/17$145
Sat 6/19:29 pmSTL - ISP
1 stop9h 44mFrontier
Tue 6/49:42 pmISP - STL
1 stop10h 40mFrontier
Deal found 5/17$150
Thu 6/137:13 pmORD - ISP
1 stop11h 27mFrontier
Sun 6/1610:23 pmISP - ORD
1 stop27h 45mFrontier
Deal found 5/17$156
Fri 5/315:56 pmORD - ISP
1 stop13h 17mFrontier
Fri 6/74:46 pmISP - ORD
1 stop9h 22mFrontier
Deal found 5/17$158
Wed 5/295:56 pmORD - ISP
1 stop13h 17mFrontier
Tue 6/44:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/17$159
Tue 5/287:00 amORD - ISP
1 stop12h 23mFrontier
Mon 6/34:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/16$164
Sun 6/26:25 amORD - ISP
1 stop10h 41mFrontier
Thu 6/611:37 amISP - ORD
1 stop6h 10mFrontier
Deal found 5/17$168
Wed 6/128:16 amSTL - ISP
1 stop22h 24mFrontier
Wed 6/194:46 pmISP - STL
1 stop15h 21mFrontier
Deal found 5/17$203

Illinois to Islip 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
Tue 6/47:00 amORD - ISP
1 stop12h 23mFrontier
Wed 6/54:46 pmISP - ORD
1 stop9h 21mFrontier
Deal found 5/16$140
Thu 5/307:00 amORD - ISP
1 stop10h 06mFrontier
Sat 6/14:49 pmISP - ORD
1 stop9h 09mFrontier
Deal found 5/17$145
Sat 6/19:29 pmSTL - ISP
1 stop9h 44mFrontier
Tue 6/49:42 pmISP - STL
1 stop10h 40mFrontier
Deal found 5/17$150
Thu 6/137:13 pmORD - ISP
1 stop11h 27mFrontier
Sun 6/1610:23 pmISP - ORD
1 stop27h 45mFrontier
Deal found 5/17$156
Thu 9/126:42 pmSTL - ISP
1 stop25h 03mFrontier
Sun 9/155:25 pmISP - STL
1 stop27h 55mFrontier
Deal found 5/17$156
Fri 5/315:56 pmORD - ISP
1 stop13h 17mFrontier
Fri 6/74:46 pmISP - ORD
1 stop9h 22mFrontier
Deal found 5/17$158
Wed 5/295:56 pmORD - ISP
1 stop13h 17mFrontier
Tue 6/44:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/17$159
Fri 9/136:42 pmSTL - ISP
1 stop12h 44mFrontier
Sat 9/145:25 pmISP - STL
1 stop14h 37mFrontier
Deal found 5/17$160
Tue 5/287:00 amORD - ISP
1 stop12h 23mFrontier
Mon 6/34:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/16$164

Illinois to Islip flights leaving soon

Find last-minute flight options from Illinois to Islip for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
Mon 5/275:56 pmORD - ISP
1 stop13h 17mFrontier
Sun 6/24:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/16$308
Sat 5/255:56 pmORD - ISP
1 stop13h 17mFrontier
Mon 5/274:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/16$336
Thu 5/237:00 amORD - ISP
1 stop10h 06mFrontier
Sat 5/254:49 pmISP - ORD
1 stop9h 09mFrontier
Deal found 5/16$346
Fri 5/245:56 pmORD - ISP
1 stop13h 17mFrontier
Mon 5/274:49 pmISP - ORD
1 stop9h 19mFrontier
Deal found 5/16$378

One-way flights to Islip from Illinois

Search for one-way flight options from Illinois to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.
Mon 6/35:56 pmORD - ISP
1 stop13h 17mFrontier
Deal found 5/16$81
Mon 6/39:20 pmSTL - ISP
1 stop9h 53mFrontier
Deal found 5/17$81
Sun 6/26:25 amORD - ISP
1 stop10h 41mFrontier
Deal found 5/17$85
Thu 6/2711:26 amORD - ISP
1 stop6h 52mFrontier
Deal found 5/17$93
Wed 6/265:58 pmORD - ISP
1 stop12h 42mFrontier
Deal found 5/17$95
Tue 6/258:13 amORD - ISP
1 stop22h 27mFrontier
Deal found 5/17$100
Mon 6/175:58 pmORD - ISP
1 stop12h 42mFrontier
Deal found 5/17$125
Fri 6/285:58 pmORD - ISP
1 stop12h 42mFrontier
Deal found 5/17$135
Sun 6/97:44 pmSTL - ISP
1 stop10h 56mFrontier
Deal found 5/17$135

Find flights from Illinois to Islip within your budget

Customize your flight search to find flights from Illinois to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,650,061 searches. Data last updated May 18, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$140 - $164

Route

Depart

Return

Price

Chicago O'Hare IntlIslip Long Island

ORD - ISP

ORDISP

Chicago O'Hare Intl

Tue 6/4

1 stop12h 23m

Islip Long Island

Wed 6/5

1 stop9h 21m

$140

Chicago O'Hare IntlIslip Long Island

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 5/30

1 stop10h 06m

Islip Long Island

Sat 6/1

1 stop9h 09m

$145

Lambert-St LouisIslip Long Island

STL - ISP

STLISP

Lambert-St Louis

Sat 6/1

1 stop9h 44m

Islip Long Island

Tue 6/4

1 stop10h 40m

$150

Chicago O'Hare IntlIslip Long Island

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 6/13

1 stop11h 27m

Islip Long Island

Sun 6/16

1 stop27h 45m

$156

Lambert-St LouisIslip Long Island

STL - ISP

STLISP

Lambert-St Louis

Thu 9/12

1 stop25h 03m

Islip Long Island

Sun 9/15

1 stop27h 55m

$156

Chicago O'Hare IntlIslip Long Island

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 5/31

1 stop13h 17m

Islip Long Island

Fri 6/7

1 stop9h 22m

$158

Chicago O'Hare IntlIslip Long Island

ORD - ISP

ORDISP

Chicago O'Hare Intl

Wed 5/29

1 stop13h 17m

Islip Long Island

Tue 6/4

1 stop9h 19m

$159

Lambert-St LouisIslip Long Island

STL - ISP

STLISP

Lambert-St Louis

Fri 9/13

1 stop12h 44m

Islip Long Island

Sat 9/14

1 stop14h 37m

$160

Chicago O'Hare IntlIslip Long Island

ORD - ISP

ORDISP

Chicago O'Hare Intl

Tue 5/28

1 stop12h 23m

Islip Long Island

Mon 6/3

1 stop9h 19m

$164

Flights are sorted by cheapest first

Deals found on 5/16

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated May 18, 2024.
Frontier
6.3
Okay
4,060 reviews
Check prices

Crew

7.1

Entertainment

4.9

Boarding

6.6

Comfort

5.8

Food

5.2

Overall

6.3

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

Frontier
6.3
Okay
4,060 reviews
Frontier
6.3
Okay
4,060 reviews
Check prices

Crew

7.1

Entertainment

4.9

Boarding

6.6

Comfort

5.8

Food

5.2

Overall

6.3

Reviews

1 / 10

Inexpensive flight, and everything is an extra charge, so okay, fair deal!

Related info for your journey

Find useful and relevant information for your journey from Illinois to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Illinois?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from Illinois. Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • Can I find flights from Illinois to Islip, New York for under $200 on Cheapflights?

    Yes, there are multiple flights from Illinois to Islip, New York for under $200. The cheapest flight booked recently is on Frontier for just $140, but on average you can expect to pay $202.

  • Are there last-minute flights available from Illinois to Islip, New York for under $400?

    There are currently 4+ open flights from Illinois to Islip, New York within the next 7 days for less than $400.

  • What are the most popular routes from Illinois to Islip, New York?

    When deciding which route to take from Illinois to Islip, New York consider Chicago O'Hare Intl - Islip Long Island, Lambert-St Louis - Islip Long Island or Decatur Arpt - Islip Long Island as they are the most popular.

  • What does ORD to ISP mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Islip Long Island Airport flight would often be abbreviated as a ORD to ISP flight. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI).

  • Can I find deals for flights from Illinois to Islip that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Islip flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Islip with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Islip flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Islip that include hotel bookings?

    Yes. In addition to deals on Illinois to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Islip.

  • Can I find deals for business class flights from Illinois to Islip?

    Yes. Cheapflights offers flight deals from Illinois to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Islip that allow pets onboard?

    Many airlines flying from Illinois to Islip offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Islip?

    Yes, you can often find last-minute deals on Illinois to Islip flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Islip, New York flight deals updated?

    The Illinois to Islip, New York flight deals you see on this page were last updated on 5/17.

See more FAQs

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Search flights from Illinois to Islip by cabin class

Find flights from Illinois to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Islip?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Islip. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Islip?

Cheapflights simply makes it quick and affordable to book flights from Illinois to Islip by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Illinois to Islip with no change fees?

Certainly. Search results for flights to Islip from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Illinois to Islip become cheaper?

Of course! You can now track prices for flights from Illinois to Islip and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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