When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport?

Prices for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport were last updated today.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport?

As of January 2026, there is 1 operator available to choose from for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport.

How old do you have to be to fly from Milwaukee-Mitchell Airport 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 Milwaukee-Mitchell Airport to Islip Long Island Airport.

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

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$194 Cheap Flights from Milwaukee to Islip in 2026

1 adult

0 bags

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Find the cheapest flights from Milwaukee to New York

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 am - 4:13 pm

MKE

ISP

6h 48m

1 stop

10:43 am - 5:02 pm

ISP

MKE

7h 19m

1 stop

$260Frontier

Thu, Mar 12 - Mon, Mar 16

Frontier flights from Milwaukee to Islip, New York

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

Frontier

Mar 12

MKE8:25 amMilwaukee-Mitchell

6h 48m

1 stop

ISP4:13 pmIslip Long Island

Mar 16

ISP10:43 amIslip Long Island

7h 19m

1 stop

MKE5:02 pmMilwaukee-Mitchell

$260

Frontier

Jan 22

MKE7:13 pmMilwaukee-Mitchell

24h 34m

1 stop

ISP8:47 pmIslip Long Island

Jan 25

ISP9:25 amIslip Long Island

9h 31m

1 stop

MKE5:56 pmMilwaukee-Mitchell

$288

Southwest flights from Milwaukee to Islip, New York

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

Southwest

Jan 22

MKE5:55 amMilwaukee-Mitchell

7h 40m

1 stop

ISP2:35 pmIslip Long Island

Jan 25

ISP5:55 amIslip Long Island

10h 40m

2 stops

MKE3:35 pmMilwaukee-Mitchell

$604

Southwest

Jan 22

MKE12:10 pmMilwaukee-Mitchell

8h 45m

2 stops

ISP9:55 pmIslip Long Island

Jan 25

ISP2:10 pmIslip Long Island

9h 30m

2 stops

MKE10:40 pmMilwaukee-Mitchell

$610

Southwest

Jan 21

MKE5:55 amMilwaukee-Mitchell

7h 40m

1 stop

ISP2:35 pmIslip Long Island

Jan 24

ISP12:20 pmIslip Long Island

7h 10m

1 stop

MKE6:30 pmMilwaukee-Mitchell

$750

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Thu 3/12

8:25 am-4:13 pm

1 stop6h 48m

Islip Long Island

Mon 3/16

10:43 am-5:02 pm

1 stop7h 19m

$260

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Sat 5/23

7:00 am-4:00 pm

1 stop8h 00m

$194

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Sat 5/23

2:00 pm-11:20 pm

2 stops8h 20m

$201

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Mon 1/26

6:35 am-11:55 am

1 stop4h 20m

$300

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Mon 1/26

12:10 pm-9:55 pm

2 stops8h 45m

$305

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Sun 3/22

8:25 am-3:49 pm

1 stop6h 24m

$519

MilwaukeeIslip

MKE - ISP

MKEISP

Milwaukee-Mitchell

Sun 3/29

8:25 am-4:13 pm

1 stop6h 48m

$568

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Milwaukee 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

What is the cheapest airline that flies from Milwaukee-Mitchell to Islip Long Island?

Southwest is the most popular carrier operating from Milwaukee-Mitchell to Islip Long Island

What airlines fly to Islip, New York?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Milwaukee according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Milwaukee to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Milwaukee to Islip, New York (MKE to ISP) flight deals and tips

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

Fastest flight time	6h 48m
Direct flights	None

The fastest flight from Milwaukee to Islip, New York takes 6h 48m

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

Search flight deals

How far is Milwaukee-Mitchell to Islip Long Island by plane?
Islip Long Island is 771.0 mi away from Milwaukee-Mitchell. 6h 48m is a normal flight duration for this route.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport?
Prices for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport were last updated today.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport?
As of January 2026, there is 1 operator available to choose from for flights from Milwaukee-Mitchell Airport to Islip Long Island Airport.
How old do you have to be to fly from Milwaukee-Mitchell Airport 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 Milwaukee-Mitchell Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Milwaukee to Islip, New York?
Based on momondo bookings for flights between Milwaukee and Islip, New York, the leading airline is Southwest, making up 100% of the total bookings.

Best airlines flying from Milwaukee to Islip, New York

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $244	Free Cancellation	Rating 8.0 4,258 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

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

Finding the right flight to Islip from Milwaukee is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

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

All flight searches from Milwaukee to Islip on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Milwaukee and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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