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 February 2026, 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.

$101 Cheap Flights from Islip to Wisconsin in 2026

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0 bags

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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.

8:21 pm - 10:01 am

ISP

MSP

14h 40m

1 stop

7:40 pm - 7:48 am

MSP

ISP

11h 08m

1 stop

$254Frontier

Sun, Feb 22 - Sat, Feb 28

4:30 pm - 11:10 pm

ISP

MKE

7h 40m

1 stop

3:30 pm - 11:30 pm

MKE

ISP

7h 00m

1 stop

$323Southwest

Mon, May 4 - Fri, May 8

4:30 pm - 11:10 pm

ISP

MKE

7h 40m

1 stop

2:15 pm - 11:30 pm

MKE

ISP

8h 15m

2 stops

$329Southwest

Mon, May 4 - Fri, May 8

4:30 pm - 11:10 pm

ISP

MKE

7h 40m

1 stop

3:30 pm - 11:30 pm

MKE

ISP

7h 00m

1 stop

$330Southwest

Mon, May 4 - Thu, May 7

4:30 pm - 11:10 pm

ISP

MKE

7h 40m

1 stop

2:15 pm - 11:30 pm

MKE

ISP

8h 15m

2 stops

$336Southwest

Mon, May 4 - Thu, May 7

7:35 pm - 8:13 am

ISP

ORD

13h 38m

1 stop

12:44 pm - 7:38 am

ORD

ISP

17h 54m

1 stop

$343Multiple Airlines

Wed, Feb 18 - Thu, Feb 19

4:30 pm - 11:25 pm

ISP

MKE

7h 55m

2 stops

2:15 pm - 11:30 pm

MKE

ISP

8h 15m

2 stops

$345Southwest

Mon, May 4 - Fri, May 8

4:30 pm - 11:25 pm

ISP

MKE

7h 55m

2 stops

2:15 pm - 11:30 pm

MKE

ISP

8h 15m

2 stops

$352Southwest

Mon, May 4 - Thu, May 7

7:35 pm - 8:13 am

ISP

ORD

13h 38m

1 stop

3:40 pm - 7:38 am

ORD

ISP

14h 58m

2 stops

$356Multiple Airlines

Wed, Feb 18 - Thu, Feb 19

8:21 pm - 10:01 am

ISP

MSP

14h 40m

1 stop

1:30 pm - 7:38 am

MSP

ISP

41h 08m

2 stops

$377Frontier

Sun, Feb 22 - Sat, Feb 28

Frontier flights from Islip, New York to Wisconsin

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

Frontier

Feb 22

ISP8:21 pmIslip Long Island

14h 40m

1 stop

MSP10:01 amMinneapolis St Paul

Feb 28

MSP7:40 pmMinneapolis St Paul

11h 08m

1 stop

ISP7:48 amIslip Long Island

$254

Frontier

Feb 22

ISP8:21 pmIslip Long Island

14h 40m

1 stop

MSP10:01 amMinneapolis St Paul

Feb 28

MSP1:30 pmMinneapolis St Paul

41h 08m

2 stops

ISP7:38 amIslip Long Island

$377

Frontier

Feb 22

ISP8:33 amIslip Long Island

35h 41m

2 stops

MSP7:14 pmMinneapolis St Paul

Feb 28

MSP1:30 pmMinneapolis St Paul

41h 08m

2 stops

ISP7:38 amIslip Long Island

$384

Southwest flights from Islip, New York to Wisconsin

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

Southwest

May 4

ISP4:30 pmIslip Long Island

7h 40m

1 stop

MKE11:10 pmMilwaukee-Mitchell

May 8

MKE3:30 pmMilwaukee-Mitchell

7h 00m

1 stop

ISP11:30 pmIslip Long Island

$323

Southwest

May 4

ISP4:30 pmIslip Long Island

7h 40m

1 stop

MKE11:10 pmMilwaukee-Mitchell

May 8

MKE2:15 pmMilwaukee-Mitchell

8h 15m

2 stops

ISP11:30 pmIslip Long Island

$329

Southwest

May 4

ISP4:30 pmIslip Long Island

7h 40m

1 stop

MKE11:10 pmMilwaukee-Mitchell

May 7

MKE3:30 pmMilwaukee-Mitchell

7h 00m

1 stop

ISP11:30 pmIslip Long Island

$330

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

IslipMinneapolis

ISP - MSP

ISPMSP

Islip Long Island

Sun 2/22

8:21 pm-10:01 am

1 stop14h 40m

Minneapolis St Paul

Sat 2/28

7:40 pm-7:48 am

1 stop11h 08m

$254

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Mon 5/4

4:30 pm-11:10 pm

1 stop7h 40m

Milwaukee-Mitchell

Fri 5/8

3:30 pm-11:30 pm

1 stop7h 00m

$323

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Mon 5/4

4:30 pm-11:10 pm

1 stop7h 40m

Milwaukee-Mitchell

Fri 5/8

2:15 pm-11:30 pm

2 stops8h 15m

$329

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Mon 5/4

4:30 pm-11:10 pm

1 stop7h 40m

Milwaukee-Mitchell

Thu 5/7

3:30 pm-11:30 pm

1 stop7h 00m

$330

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Mon 5/4

4:30 pm-11:10 pm

1 stop7h 40m

Milwaukee-Mitchell

Thu 5/7

2:15 pm-11:30 pm

2 stops8h 15m

$336

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 2/18

7:35 pm-8:13 am

1 stop13h 38m

Chicago O'Hare Intl

Thu 2/19

12:44 pm-7:38 am

1 stop17h 54m

$343

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Mon 5/4

4:30 pm-11:25 pm

2 stops7h 55m

Milwaukee-Mitchell

Fri 5/8

2:15 pm-11:30 pm

2 stops8h 15m

$345

IslipMilwaukee

ISP - MKE

ISPMKE

Islip Long Island

Mon 5/4

4:30 pm-11:25 pm

2 stops7h 55m

Milwaukee-Mitchell

Thu 5/7

2:15 pm-11:30 pm

2 stops8h 15m

$352

IslipChicago

ISP - ORD

ISPORD

Islip Long Island

Wed 2/18

7:35 pm-8:13 am

1 stop13h 38m

Chicago O'Hare Intl

Thu 2/19

3:40 pm-7:38 am

2 stops14h 58m

$356

IslipMinneapolis

ISP - MSP

ISPMSP

Islip Long Island

Sun 2/22

8:21 pm-10:01 am

1 stop14h 40m

Minneapolis St Paul

Sat 2/28

1:30 pm-7:38 am

2 stops41h 08m

$377

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 49% 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 20m
Direct flights	None

The fastest flight from Islip, New York to Wisconsin takes 5h 20m

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 February 2026, 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.