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

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

What airlines fly to Islip, New York?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Islip, New York from Wisconsin according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 6 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Islip, New York?

The flight from Wisconsin to Islip, New York depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Milwaukee (a popular airport in Wisconsin) to New York John F Kennedy Intl Airport (the most popular airport in Islip, New York), then the flight time is 2h 22m on average. If you fly from Madison (another popular airport in Wisconsin) to New York John F Kennedy Intl Airport, then the average flight time is 3h 56m.

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

Prices for flights from Wisconsin to Islip Long Island Airport refresh daily.

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents required for your trip to Islip Long Island Airport 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 Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$89 Cheap Flights from Wisconsin to Islip in 2025/26

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Find the cheapest flights from Wisconsin to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:44 am - 11:59 pmORD-ISP

35h 15m2 stops

8:29 pm - 9:48 pmISP-ORD

26h 19m1 stop

$179Multiple Airlines

Find Deal

Thu, Dec 4 - Tue, Dec 9

10:39 am - 10:46 pmORD-ISP

11h 07m1 stop

8:54 pm - 2:39 pmISP-ORD

18h 45m1 stop

$180Multiple Airlines

Find Deal

Tue, Jan 13 - Fri, Jan 16

4:58 pm - 10:44 pmORD-ISP

28h 46m1 stop

10:19 am - 10:24 pmISP-ORD

13h 05m2 stops

$183Multiple Airlines

Find Deal

Tue, Dec 2 - Sat, Dec 6

10:39 am - 10:46 pmORD-ISP

11h 07m1 stop

8:45 pm - 10:44 pmISP-ORD

26h 59m2 stops

$188Multiple Airlines

Find Deal

Tue, Jan 13 - Fri, Jan 16

2:26 pm - 7:34 pmORD-ISP

28h 08m1 stop

6:00 am - 10:18 amISP-ORD

29h 18m1 stop

$190Frontier

Find Deal

Mon, Dec 15 - Wed, Dec 17

5:05 am - 7:34 pmORD-ISP

37h 29m2 stops

10:19 am - 10:24 pmISP-ORD

13h 05m2 stops

$197Frontier

Find Deal

Thu, Dec 4 - Sat, Dec 6

6:50 am - 11:40 amMKE-ISP

3h 50m1 stop

2:00 pm - 11:50 pmISP-MKE

10h 50m2 stops

$608Southwest

Find Deal

Thu, Apr 2 - Mon, Apr 6

5:50 am - 5:20 pmMKE-ISP

10h 30m2 stops

2:00 pm - 11:50 pmISP-MKE

10h 50m2 stops

$617Southwest

Find Deal

Thu, Apr 2 - Mon, Apr 6

6:50 am - 11:40 amMKE-ISP

3h 50m1 stop

6:00 am - 11:35 amISP-MKE

6h 35m1 stop

$720Southwest

Find Deal

Thu, Apr 2 - Mon, Apr 6

7:43 pm - 8:02 amMKE-ISP

11h 19m1 stop

11:15 am - 5:09 pmISP-MKE

6h 54m1 stop

$722Frontier

Find Deal

Sun, Nov 30 - Sun, Dec 7

Frontier flights from Wisconsin to Islip, New York

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

Frontier

Dec 15

ORD2:26 pmChicago O'Hare Intl

28h 08m

1 stop

ISP7:34 pmIslip Long Island

Dec 17

ISP6:00 amIslip Long Island

29h 18m

1 stop

ORD10:18 amChicago O'Hare Intl

$190

Find similar

Frontier

Dec 4

ORD5:05 amChicago O'Hare Intl

37h 29m

2 stops

ISP7:34 pmIslip Long Island

Dec 6

ISP10:19 amIslip Long Island

13h 05m

2 stops

ORD10:24 pmChicago O'Hare Intl

$197

Find similar

Frontier

Dec 6

ORD2:26 pmChicago O'Hare Intl

18h 54m

1 stop

ISP10:20 amIslip Long Island

Dec 13

ISP10:19 amIslip Long Island

28h 12m

1 stop

ORD1:31 pmChicago O'Hare Intl

$270

Find similar

Southwest flights from Wisconsin to Islip, New York

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

Southwest

Dec 4

ORD11:55 amChicago O'Hare Intl

9h 10m

2 stops

ISP10:05 pmIslip Long Island

Dec 9

ISP3:40 pmIslip Long Island

7h 10m

1 stop

ORD9:50 pmChicago O'Hare Intl

$442

Find similar

Southwest

Dec 4

ORD11:55 amChicago O'Hare Intl

9h 10m

2 stops

ISP10:05 pmIslip Long Island

Dec 9

ISP12:55 pmIslip Long Island

9h 55m

2 stops

ORD9:50 pmChicago O'Hare Intl

$447

Find similar

Southwest

Dec 4

ORD11:55 amChicago O'Hare Intl

9h 10m

2 stops

ISP10:05 pmIslip Long Island

Dec 6

ISP11:55 amIslip Long Island

10h 55m

2 stops

ORD9:50 pmChicago O'Hare Intl

$477

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 12/4

11:44 am-11:59 pm

2 stops35h 15m

Islip Long Island

Tue 12/9

8:29 pm-9:48 pm

1 stop26h 19m

$179

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Tue 1/13

10:39 am-10:46 pm

1 stop11h 07m

Islip Long Island

Fri 1/16

8:54 pm-2:39 pm

1 stop18h 45m

$180

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Tue 12/2

4:58 pm-10:44 pm

1 stop28h 46m

Islip Long Island

Sat 12/6

10:19 am-10:24 pm

2 stops13h 05m

$183

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Tue 1/13

10:39 am-10:46 pm

1 stop11h 07m

Islip Long Island

Fri 1/16

8:45 pm-10:44 pm

2 stops26h 59m

$188

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Mon 12/15

2:26 pm-7:34 pm

1 stop28h 08m

Islip Long Island

Wed 12/17

6:00 am-10:18 am

1 stop29h 18m

$190

ChicagoIslip

ORD - ISP

ORDISP

Chicago O'Hare Intl

Thu 12/4

5:05 am-7:34 pm

2 stops37h 29m

Islip Long Island

Sat 12/6

10:19 am-10:24 pm

2 stops13h 05m

$197

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Thu 4/2

6:50 am-11:40 am

1 stop3h 50m

Islip Long Island

Mon 4/6

2:00 pm-11:50 pm

2 stops10h 50m

$608

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Thu 4/2

5:50 am-5:20 pm

2 stops10h 30m

Islip Long Island

Mon 4/6

2:00 pm-11:50 pm

2 stops10h 50m

$617

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Thu 4/2

6:50 am-11:40 am

1 stop3h 50m

Islip Long Island

Mon 4/6

6:00 am-11:35 am

1 stop6h 35m

$720

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Sun 11/30

7:43 pm-8:02 am

1 stop11h 19m

Islip Long Island

Sun 12/7

11:15 am-5:09 pm

1 stop6h 54m

$722

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 Wisconsin to Islip, New York

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

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to Islip, New York?

The cheapest day to depart from Wisconsin to Islip, New York is on a Thursday. Travelers who choose to depart for Islip, New York on a Thursday will often find tickets for as low as $163. The most expensive day to fly to Islip, New York is Wednesday, with ticket prices averaging around $366.

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Wisconsin in the morning is the least expensive time of day to depart. momondo users have found prices as low as $260 when looking at flights departing in the morning. Flights to Islip, New York are more costly in the afternoon, with an average ticket price of $366. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Wisconsin to Islip, New York flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Wisconsin to Islip Long Island Airport?
Prices for flights from Wisconsin to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from Wisconsin to Islip Long Island Airport?
As of November 2025, there is 1 operator available to choose from for flights from Wisconsin to Islip Long Island Airport.
How old do you have to be to fly from Wisconsin to Islip Long Island Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wisconsin to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents required for your trip to Islip Long Island Airport 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 Islip Long Island Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Wisconsin to Islip, New York

Compare and see reviews for airlines that fly from Wisconsin to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $244	Free Cancellation	Rating 8.0 4,248 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Wisconsin to Islip. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from Wisconsin.

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

Of course. momondo tracks the price of Wisconsin to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.