Cheap flights from Islip to Milwaukee (ISP - MKE) from $129

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ISP — MKE
Feb 26 — Mar 41

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 24 days before your planned departure. Booking around this time can save you about 90% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $252 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $413.

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 $273. Cheapflights users have found deals in the month of February for as cheap as $109. The most expensive prices can be found in the month of November.

When is the cheapest time to fly from Islip, New York to Milwaukee (ISP - 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.

Cheap Islip to Milwaukee flights in February & March 2024

Find cheap flight options from Islip to Milwaukee specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,436,117 searches. Prices were last updated on February 21, 2024.
Fri 3/158:34 amISP - MKE
1 stop8h 37mFrontier
Sat 3/237:12 pmMKE - ISP
1 stop11h 32mFrontier
Deal found 2/21$559

Islip to Milwaukee 2024 flight deals

Discover exclusive flight deals for travel between Islip and Milwaukee in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,436,117 searches. Data last updated February 21, 2024.
Fri 3/158:34 amISP - MKE
1 stop8h 37mFrontier
Sat 3/237:12 pmMKE - ISP
1 stop11h 32mFrontier
Deal found 2/21$559

One-way flights to Milwaukee from Islip

Search for one-way flight options from Islip to Milwaukee. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,436,117 searches. Data last updated February 21, 2024.
Mon 3/258:34 amISP - MKE
1 stop10h 13mFrontier
Deal found 2/20$129

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 3,436,117 searches. Data last updated February 21, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$559 - $559

Route

Depart

Return

Price

Islip Long IslandMilwaukee-Mitchell

ISP - MKE

ISPMKE

Islip Long Island

Fri 3/15

1 stop8h 37m

Milwaukee-Mitchell

Sat 3/23

1 stop11h 32m

$559

Flights are sorted by cheapest first

Deals found on 2/21

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated February 21, 2024.
6.4
Okay
4,523 reviews

Overall

6.4

Entertainment

5.1

Crew

7.2

Food

5.3

Comfort

5.9

Boarding

6.7

Reviews

1 / 10

Worst flight I have ever taken. Don’t fly with this airline

6.4
Okay
4,523 reviews
6.4
Okay
4,523 reviews

Overall

6.4

Entertainment

5.1

Crew

7.2

Food

5.3

Comfort

5.9

Boarding

6.7

Reviews

1 / 10

Worst flight I have ever taken. Don’t fly with this airline

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 $600 on Cheapflights?

Yes, there are multiple flights from Islip, New York to Milwaukee for under $600. The cheapest flight booked recently is on Frontier for just $559, but on average you can expect to pay $559.

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.

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.

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.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Islip to Milwaukee?

When you search for this flight from Islip to Milwaukee, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Islip to Milwaukee?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Islip to Milwaukee.

Can Cheapflights find flights from Islip to Milwaukee with no change fees?

Yes, we can. To see specific flights from Islip to Milwaukee with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Islip to Milwaukee become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.