$96 Cheap Flights from Detroit (DTW) to Islip (ISP)

View $96 flight on Thu, May 14, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to MacArthur Airport (ISP)

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Cheap Flights from Detroit to Islip (DTW-ISP)

Prices were available within the past 7 days and start at $96 for one-way flights and $201 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, May 11 - Thu, May 14
DTW
Detroit
ISP
Islip
$201 Roundtrip, found 11 hours ago
$201
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Mon, May 11 from Detroit to Islip, returning Thu, May 14, priced at $201 found 11 hours ago
Frontier Airlines
Thu, May 14 - Mon, May 18
DTW
Detroit
ISP
Islip
$225 Roundtrip, found 12 hours ago
$225
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Thu, May 14 from Detroit to Islip, returning Mon, May 18, priced at $225 found 12 hours ago
Frontier Airlines
Thu, Jun 11 - Sun, Jun 14
DTW
Detroit
ISP
Islip
$230 Roundtrip, found 4 days ago
$230
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Jun 11 from Detroit to Islip, returning Sun, Jun 14, priced at $230 found 4 days ago
Frontier Airlines
Fri, Jul 24 - Sat, Aug 1
DTW
Detroit
ISP
Islip
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jul 24 from Detroit to Islip, returning Sat, Aug 1, priced at $240 found 1 day ago
Frontier Airlines
Fri, Jul 24 - Tue, Jul 28
DTW
Detroit
ISP
Islip
$260 Roundtrip, found 1 day ago
$260
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Jul 24 from Detroit to Islip, returning Tue, Jul 28, priced at $260 found 1 day ago
Southwest Airlines
Thu, May 28 - Mon, Jun 1
DTW
Detroit
ISP
Islip
$263 Roundtrip, found 6 days ago
$263
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, May 28 from Detroit to Islip, returning Mon, Jun 1, priced at $263 found 6 days ago
Frontier Airlines
Fri, May 29 - Sun, May 31
DTW
Detroit
ISP
Islip
$268 Roundtrip, found 6 days ago
$268
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, May 29 from Detroit to Islip, returning Sun, May 31, priced at $268 found 6 days ago
Frontier Airlines
Thu, May 14 - Mon, May 18
DTW
Detroit
ISP
Islip
$270 Roundtrip, found 12 hours ago
$270
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Thu, May 14 from Detroit to Islip, returning Mon, May 18, priced at $270 found 12 hours ago
Frontier Airlines
Thu, May 14 - Mon, May 18
DTW
Detroit
ISP
Islip
$274 Roundtrip, found 12 hours ago
$274
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Thu, May 14 from Detroit to Islip, returning Mon, May 18, priced at $274 found 12 hours ago
JetBlue Airways
Mon, Jul 27 - Tue, Jul 28
DTW
Detroit
ISP
Islip
$760 Roundtrip, found 1 day ago
$760
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Jul 27 from Detroit to Islip, returning Tue, Jul 28, priced at $760 found 1 day ago

Alternative airports near Islip

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to MacArthur ISP. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $429
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $429

Frequently asked questions

How much does a flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) cost?
You can find cheap one-way flights from $96 and cheap return flights from $201 Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) with Expedia. One-way flights typically cost between $195 and $1669, and return flights often range between $476 and $1866. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
The cheapest month to fly from DTW to ISP is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
Enter DTW to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Detroit Metropolitan Wayne County (DTW) to MacArthur (ISP) starting from around $556. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
To find a cheap flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
The earliest flight from Detroit, MI (DTW) to Islip, NY (ISP) typically departs at around 5:00 AM local time, operated by American Airlines and 9K. This is a seasonal service active in July, and an early departure can help you arrive in Islip with plenty of time to explore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
For flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur), the most popular departure times are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Airlines like United Airlines, American Airlines, and Delta operate flights during this period, allowing you to start your day early.
How long does it take to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
A flight from DTW to ISP with a layover takes around 6 hours 20 minutes, with the route covering approximately 539 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
Select the "Business class" and "First class" filters when looking for DTW to ISP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) flight with Expedia?
It's easy to earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Islip from Detroit Metropolitan Wayne County (DTW)?
If you're planning to travel to Islip from Detroit Metropolitan Wayne County (DTW), you can fly into MacArthur (ISP) Some flights may connect through major hubs like O'Hare Intl. (ORD), Liberty Intl. (EWR), Washington Dulles Intl. (IAD) before reaching Islip. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) at the last minute?
Typically, booking a last minute flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) flight and hotel package?
Securing a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur)?
If you booked your Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Islip, NY (ISP-MacArthur) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
MacArthur
Airlines serving
Frontier Airlines, Southwest Airlines
Roundtrip price
$201
Distance
539 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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