When did momondo last update prices for flights from Islip Long Island Airport to Wisconsin?

Prices for flights from Islip Long Island Airport to Wisconsin were last updated today.

How many operators does momondo search for flights from Islip Long Island Airport to Wisconsin?

As of December 2025, there is 1 operator available to choose from for flights from Islip Long Island Airport to Wisconsin.

How old do you have to be to fly from Islip Long Island Airport to Wisconsin?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Wisconsin.

What documentation or ID do you need to fly to Wisconsin?

The travel and health documents required for your trip to Wisconsin can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wisconsin. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$87 Cheap Flights from Islip to Wisconsin in 2025/26

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Find the cheapest flights from Islip, New York to Wisconsin

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:45 pm - 10:04 pm

ISP

ORD

10h 19m1 stop

7:21 pm - 6:55 pm

ORD

ISP

22h 34m1 stop

$194Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

12:45 pm - 10:04 pm

ISP

ORD

10h 19m1 stop

2:53 pm - 11:17 am

ORD

ISP

19h 24m2 stops

$213Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

5:07 pm - 9:40 pm

ISP

ORD

29h 33m1 stop

1:17 pm - 2:39 pm

ORD

ISP

24h 22m1 stop

$263Frontier

Thu, Feb 19 - Sun, Feb 22

10:00 am - 11:46 pm

ISP

ORD

14h 46m2 stops

5:32 pm - 8:52 am

ORD

ISP

14h 20m2 stops

$291Multiple Airlines

Tue, Jan 27 - Tue, Feb 3

5:08 pm - 11:38 pm

ISP

ORD

7h 30m1 stop

4:18 pm - 12:47 pm

ORD

ISP

19h 29m1 stop

$322Frontier

Thu, Mar 12 - Sun, Mar 15

6:00 am - 12:10 pm

ISP

MKE

7h 10m1 stop

3:30 pm - 8:25 pm

MKE

ISP

3h 55m1 stop

$325Southwest

Thu, Apr 9 - Mon, Apr 13

6:00 am - 12:10 pm

ISP

MKE

7h 10m1 stop

2:15 pm - 11:30 pm

MKE

ISP

8h 15m2 stops

$330Southwest

Thu, Apr 9 - Mon, Apr 13

8:35 am - 6:20 pm

ISP

MKE

10h 45m2 stops

2:15 pm - 11:30 pm

MKE

ISP

8h 15m2 stops

$350Southwest

Thu, Apr 9 - Mon, Apr 13

10:43 am - 7:29 pm

ISP

ORD

9h 46m1 stop

8:05 am - 4:23 pm

ORD

ISP

7h 18m1 stop

$357Frontier

Fri, Mar 6 - Sun, Mar 8

8:45 pm - 9:08 am

ISP

MSN

13h 23m1 stop

6:40 pm - 6:40 pm

MSN

ISP

23h 00m1 stop

$527Multiple Airlines

Fri, Jan 16 - Sun, Jan 18

Frontier flights from Islip, New York to Wisconsin

Our best Frontier deals on Islip, New York to Wisconsin flight tickets

Frontier

Feb 19

ISP5:07 pmIslip Long Island

29h 33m

1 stop

ORD9:40 pmChicago O'Hare Intl

Feb 22

ORD1:17 pmChicago O'Hare Intl

24h 22m

1 stop

ISP2:39 pmIslip Long Island

$263

Find similar

Frontier

Mar 12

ISP5:08 pmIslip Long Island

7h 30m

1 stop

ORD11:38 pmChicago O'Hare Intl

Mar 15

ORD4:18 pmChicago O'Hare Intl

19h 29m

1 stop

ISP12:47 pmIslip Long Island

$322

Find similar

Frontier

Mar 6

ISP10:43 amIslip Long Island

9h 46m

1 stop

ORD7:29 pmChicago O'Hare Intl

Mar 8

ORD8:05 amChicago O'Hare Intl

7h 18m

1 stop

ISP4:23 pmIslip Long Island

$357

Find similar

Southwest flights from Islip, New York to Wisconsin

Our best Southwest deals on Islip, New York to Wisconsin flight tickets

Southwest

Apr 9

ISP6:00 amIslip Long Island

7h 10m

1 stop

MKE12:10 pmMilwaukee-Mitchell

Apr 13

MKE3:30 pmMilwaukee-Mitchell

3h 55m

1 stop

ISP8:25 pmIslip Long Island

$325

Find similar

Southwest

Apr 9

ISP6:00 amIslip Long Island

7h 10m

1 stop

MKE12:10 pmMilwaukee-Mitchell

Apr 13

MKE2:15 pmMilwaukee-Mitchell

8h 15m

2 stops

ISP11:30 pmIslip Long Island

$330

Find similar

Southwest

Apr 9

ISP8:35 amIslip Long Island

10h 45m

2 stops

MKE6:20 pmMilwaukee-Mitchell

Apr 13

MKE2:15 pmMilwaukee-Mitchell

8h 15m

2 stops

ISP11:30 pmIslip Long Island

$350

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Wisconsin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Tue 1/27

12:45 pm-10:04 pm

1 stop10h 19m

Chicago O'Hare Intl

Tue 2/3

7:21 pm-6:55 pm

1 stop22h 34m

$194

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Tue 1/27

12:45 pm-10:04 pm

1 stop10h 19m

Chicago O'Hare Intl

Tue 2/3

2:53 pm-11:17 am

2 stops19h 24m

$213

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 2/19

5:07 pm-9:40 pm

1 stop29h 33m

Chicago O'Hare Intl

Sun 2/22

1:17 pm-2:39 pm

1 stop24h 22m

$263

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Tue 1/27

10:00 am-11:46 pm

2 stops14h 46m

Chicago O'Hare Intl

Tue 2/3

5:32 pm-8:52 am

2 stops14h 20m

$291

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Thu 3/12

5:08 pm-11:38 pm

1 stop7h 30m

Chicago O'Hare Intl

Sun 3/15

4:18 pm-12:47 pm

1 stop19h 29m

$322

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Thu 4/9

6:00 am-12:10 pm

1 stop7h 10m

Milwaukee-Mitchell

Mon 4/13

3:30 pm-8:25 pm

1 stop3h 55m

$325

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Thu 4/9

6:00 am-12:10 pm

1 stop7h 10m

Milwaukee-Mitchell

Mon 4/13

2:15 pm-11:30 pm

2 stops8h 15m

$330

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Thu 4/9

8:35 am-6:20 pm

2 stops10h 45m

Milwaukee-Mitchell

Mon 4/13

2:15 pm-11:30 pm

2 stops8h 15m

$350

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Fri 3/6

10:43 am-7:29 pm

1 stop9h 46m

Chicago O'Hare Intl

Sun 3/8

8:05 am-4:23 pm

1 stop7h 18m

$357

IslipMadison

ISP - MSN

ISPMSN

Islip Long Island

Fri 1/16

8:45 pm-9:08 am

1 stop13h 23m

Madison Truax Field

Sun 1/18

6:40 pm-6:40 pm

1 stop23h 00m

$527

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Wisconsin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Islip Long Island to Wisconsin?

Frontier is the most popular carrier operating from Islip Long Island to Wisconsin

What airlines fly to Wisconsin?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Wisconsin from Islip, New York according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Wisconsin. Keep in mind that there are 5 different airlines that fly to Wisconsin on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to Wisconsin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Wisconsin

Fastest flight time	5h 30m
Direct flights	None

The fastest flight from Islip, New York to Wisconsin takes 5h 30m

There are no direct flights from Islip, New York to Wisconsin. There are no popular flight routes from Islip, New York to Wisconsin.

Search flight deals

When did momondo last update prices for flights from Islip Long Island Airport to Wisconsin?
Prices for flights from Islip Long Island Airport to Wisconsin were last updated today.
How many operators does momondo search for flights from Islip Long Island Airport to Wisconsin?
As of December 2025, there is 1 operator available to choose from for flights from Islip Long Island Airport to Wisconsin.
How old do you have to be to fly from Islip Long Island Airport to Wisconsin?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Wisconsin.
What documentation or ID do you need to fly to Wisconsin?
The travel and health documents required for your trip to Wisconsin can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wisconsin. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Wisconsin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Wisconsin. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to Wisconsin with flexible booking policies on momondo?

Yes. All flights to Wisconsin from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to Wisconsin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to Wisconsin.

I’m not ready to book a flight from Islip to Wisconsin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Wisconsin, momondo offers a useful price alert feature which will track prices for flights to Wisconsin from Islip and alert you when they change.