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Islip

$84+ Cheap flights from Wisconsin to Islip (ISP)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ISP
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Wisconsin to Islip

Keep the following information in mind while searching for Wisconsin to Islip flight deals. Data was last updated September 15, 2025.

Round-trip from

$168
(Frontier)

One-way from

$84
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$364
From Wisconsin to Islip Long Island
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One-way flight from Wisconsin to Islip Long Island
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Highest demand for flights based on searches. 2% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Wisconsin to Islip

Cheapest flights from Wisconsin to Islip
Explore the most affordable flight options available from Wisconsin to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:49 pmORD - ISP
1 stop12h 51mFrontier
Thu 10/211:40 amISP - ORD
1 stop9h 04mFrontier
Deal found 9/15$168
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/288:49 pmORD - ISP
1 stop12h 51mFrontier
Thu 10/211:40 amISP - ORD
1 stop9h 04mFrontier
Deal found 9/13$184
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:05 amORD - ISP
1 stop7h 22mFrontier
Sun 10/59:49 amISP - ORD
2 stops14h 31mFrontier
Deal found 9/14$206
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:17 pmORD - ISP
1 stop16h 23mMultiple Airlines
Fri 10/35:05 pmISP - ORD
1 stop24h 07mMultiple Airlines
Deal found 9/14$217
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:05 amORD - ISP
1 stop7h 22mFrontier
Thu 9/2511:40 amISP - ORD
1 stop9h 04mFrontier
Deal found 9/14$224
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:43 pmMSP - ISP
2 stops15h 54mFrontier
Wed 10/224:58 pmISP - MSP
2 stops17h 07mFrontier
Deal found 9/13$235
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:49 pmORD - ISP
1 stop13h 06mFrontier
Sun 9/2811:25 amISP - ORD
1 stop9h 19mFrontier
Deal found 9/13$240
This Frontier deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:18 pmORD - ISP
2 stops16h 36mFrontier
Sat 11/811:40 amISP - ORD
2 stops12h 49mFrontier
Deal found 9/13$244
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amORD - ISP
1 stop13h 42mMultiple Airlines
Wed 10/84:58 pmISP - ORD
1 stop16h 16mMultiple Airlines
Deal found 9/14$249
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:49 pmORD - ISP
1 stop13h 06mMultiple Airlines
Fri 10/35:05 pmISP - ORD
1 stop29h 53mMultiple Airlines
Deal found 9/13$257
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:38 pmMSP - ISP
2 stops13h 17mFrontier
Mon 10/65:05 pmISP - MSP
2 stops17h 00mFrontier
Deal found 9/14$287
This Frontier deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:00 pmMSN - ISP
2 stops13h 55mFrontier
Sun 11/29:27 pmISP - MSN
2 stops22h 48mFrontier
Deal found 9/12$297

Cheapflights Fare Finder

 
Customize your flight search to find flights from Wisconsin 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Wisconsin to Islip that are best for you.

Fly from

Wisconsin

Fly to

Islip

Route

Depart

Return

Price

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Sun 9/28

8:49 pm-10:40 am

1 stop12h 51m

Islip Long Island

Thu 10/2

11:40 am-7:44 pm

1 stop9h 04m

$184

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 10/2

8:05 am-4:27 pm

1 stop7h 22m

Islip Long Island

Sun 10/5

9:49 am-11:20 pm

2 stops14h 31m

$206

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Mon 9/29

5:17 pm-10:40 am

1 stop16h 23m

Islip Long Island

Fri 10/3

5:05 pm-4:12 pm

1 stop24h 07m

$217

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 10/3

8:49 pm-10:55 am

1 stop13h 06m

Islip Long Island

Sun 10/5

11:25 am-7:44 pm

1 stop9h 19m

$224

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Fri 9/26

8:49 pm-10:55 am

1 stop13h 06m

Islip Long Island

Sun 9/28

11:25 am-7:44 pm

1 stop9h 19m

$224

MinneapolisIslip

MSP - ISP

MSPISP

Minneapolis St Paul

Fri 10/17

5:43 pm-10:37 am

2 stops15h 54m

Islip Long Island

Wed 10/22

4:58 pm-9:05 am

2 stops17h 07m

$235

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 11/6

3:18 pm-8:54 am

2 stops16h 36m

Islip Long Island

Sat 11/8

11:40 am-11:29 pm

2 stops12h 49m

$244

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Tue 10/7

6:00 am-8:42 pm

1 stop13h 42m

Islip Long Island

Wed 10/8

4:58 pm-8:14 am

1 stop16h 16m

$249

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 10/30

5:50 pm-10:37 am

2 stops15h 47m

Islip Long Island

Mon 11/3

9:54 am-12:11 am

2 stops15h 17m

$268

MinneapolisIslip

MSP - ISP

MSPISP

Minneapolis St Paul

Fri 10/3

8:38 pm-10:55 am

2 stops13h 17m

Islip Long Island

Mon 10/6

5:05 pm-9:05 am

2 stops17h 00m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 33 results
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Best time to book a flight from Wisconsin to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Wisconsin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Wisconsin to Islip

What is the cheapest month to book a flight from Wisconsin to Islip?

Currently, January is the cheapest month in which you can book a flight from Wisconsin to Islip (average of $108). Flying from Wisconsin to Islip in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Wisconsin 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 Wisconsin?

    If you book a flight to Islip from Wisconsin, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • How long is the flight from Wisconsin to Islip?

    There are many flights that can get you from Wisconsin to Islip in 5h 05m. Fly via Frontier or Southwest to get the fastest option. There are 1054 mi between Wisconsin and Islip. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Wisconsin to Islip?

    The most popular route from Wisconsin to Islip is Chicago O'Hare Intl - Islip Long Island. You may also consider Minneapolis St Paul - Islip Long Island or Madison Truax Field - Islip Long Island.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Wisconsin 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.

  • What is the cheapest month to book a flight from Wisconsin to Islip?

    Currently, January is the cheapest month in which you can book a flight from Wisconsin to Islip (average of $108). Flying from Wisconsin to Islip in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

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

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Alternative routes for Wisconsin to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Wisconsin to Islip

Discover the top airline that operate flights from Wisconsin to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$244Average$366FlexibilityNo cancel feeOn-time63%

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