HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$648+ Cheap flights from Islip to Milwaukee (ISP - MKE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MKE
jul. 30 — ago. 61
From?
To?
mar. 7/30
mar. 8/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

How far in advance should I book a flight from Islip, New York to Milwaukee?

To save on the cost of your flight from Islip, New York to Milwaukee, book at least 52 days before your planned departure. Booking around this time can save you about 108% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $227 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $421.

What is the cheapest month to fly from Islip, New York to Milwaukee?

February can be a great time to fly to Milwaukee from Islip, New York with a flight ticket averaging about $245. Cheapflights users have found deals in the month of February for as cheap as $73. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from ISP to MKE?

When flying from Islip, New York to Milwaukee, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Find flights from Islip to Milwaukee within your budget

Customize your flight search to find flights from Islip to Milwaukee 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 2,752,877 searches. Data last updated julio 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$648 - $648

Route

Depart

Return

Price

Islip Long IslandMilwaukee-Mitchell

ISP - MKE

ISPMKE

Islip Long Island

vie. 8/16

2 stops32h 16m

Milwaukee-Mitchell

dom. 8/18

2 stops34h 22m

$648

Flights are sorted by cheapest first

Deals found on 7/23

No data available for this route at this time. Please check back soon.

Best time to book a flight from Islip to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Islip 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Islip, New York to Milwaukee for under $700 on Cheapflights?

    Yes, there are multiple flights from Islip, New York to Milwaukee for under $700. The cheapest flight booked recently is on Multiple Airlines for just $648, but on average you can expect to pay $648.

  • What does ISP to MKE mean?

    This is defined as Islip Long Island Airport (ISP) and Milwaukee-Mitchell Airport (MKE). Codes like Milwaukee-Mitchell Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Islip to Milwaukee that include extra baggage allowance?

    The amount of baggage you can bring on your Islip to Milwaukee flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Islip to Milwaukee with specific airlines?

    Yes, Cheapflights allows you to browse and filter Islip to Milwaukee flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Islip to Milwaukee that allow pets onboard?

    Many airlines flying from Islip to Milwaukee offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Islip to Milwaukee?

    Yes, you can often find last-minute deals on Islip to Milwaukee flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • What is the cheapest month to book a flight from Islip, New York to Milwaukee?

    Currently, December is the cheapest month in which you can book a flight from Islip, New York to Milwaukee (average of $261). Flying from Islip, New York to Milwaukee in June is currently the most expensive (average of $363). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Milwaukee
See prices for flight routes from nearby airports that may be better suited for you.

Newark to O'Hare Intl flights
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to O'Hare Intl flights
LaGuardia to Minneapolis flights
John F Kennedy Intl to Minneapolis flights
Newark to Minneapolis flights
LaGuardia to Milwaukee flights
John F Kennedy Intl to Milwaukee flights
Newark to Milwaukee flights
White Plains to O'Hare Intl flights
Syracuse to O'Hare Intl flights
Newark to Madison flights
LaGuardia to Madison flights
Buffalo to O'Hare Intl flights
Rochester to O'Hare Intl flights
Albany to O'Hare Intl flights
John F Kennedy Intl to Madison flights
Buffalo to Minneapolis flights
John F Kennedy Intl to Appleton flights
John F Kennedy Intl to Green Bay flights
Newark to Green Bay flights
Rochester to Minneapolis flights
Syracuse to Minneapolis flights
Albany to Madison flights
Albany to Minneapolis flights
LaGuardia to Green Bay flights
Newark to Duluth flights
LaGuardia to Appleton flights
Buffalo to Milwaukee flights
Binghamton to O'Hare Intl flights
Newark to Appleton flights
Newark to Wausau flights
LaGuardia to Duluth flights
John F Kennedy Intl to Duluth flights
Islip to O'Hare Intl flights
Ithaca to O'Hare Intl flights
White Plains to Minneapolis flights
John F Kennedy Intl to Wausau flights
Syracuse to Milwaukee flights
Elmira to O'Hare Intl flights
LaGuardia to Wausau flights
Ithaca to Minneapolis flights
Albany to Milwaukee flights
White Plains to Milwaukee flights
White Plains to Madison flights
Rochester to Milwaukee flights
Buffalo to Madison flights
White Plains to Appleton flights
Syracuse to Madison flights
Rochester to Madison flights
USA to Bangkok flights
Dallas to Houston flights
USA to Bermuda flights
Detroit to Boston flights
San Jose to Seattle flights
Chicago to London flights
Austin to Orlando flights
Austin to London flights
San Diego to Hawaii flights
Newark Airport to San Francisco flights
Chicago to Atlanta flights
Islip, New York to Melbourne, Florida flights

Search flights from Islip to Milwaukee by cabin class

Find flights from Islip to Milwaukee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines