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$128+ Cheap flights from Islip, NY to Detroit Metropolitan Wayne County Airport (ISP - DTW)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DTW
Aug 25 — Sep 11
Tue 8/25
Tue 9/1
1 adult, Economy
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Cheap flight deals from Islip to Detroit

Cheapest flights from Islip to Detroit
Explore the most affordable flight options available from Islip to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 26, 2026.

This Trip.com deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:09 pm
ISP
-
DTW
1 stop13h 45m
Frontier
Wed 9/29:49 am
DTW
-
ISP
1 stop24h 04m
Frontier
Deal found 7/24$217
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:09 pm
ISP
-
DTW
1 stop13h 45m
Frontier
Thu 8/276:07 pm
DTW
-
ISP
1 stop15h 46m
Frontier
Deal found 7/23$262
This Trip.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:46 pm
ISP
-
DTW
1 stop21h 31m
Frontier
Sun 8/168:13 pm
DTW
-
ISP
1 stop13h 40m
Frontier
Deal found 7/22$286
This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:35 pm
ISP
-
DTW
2 stops10h 00m
Southwest
Thu 8/275:30 am
DTW
-
ISP
1 stop4h 10m
Southwest
Deal found 7/23$308
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:15 pm
ISP
-
DTW
1 stop5h 45m
Southwest
Wed 9/212:55 pm
DTW
-
ISP
2 stops8h 10m
Southwest
Deal found 7/24$314
This Trip.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:46 pm
ISP
-
DTW
1 stop21h 31m
Frontier
Tue 8/118:30 pm
DTW
-
ISP
1 stop13h 23m
Frontier
Deal found 7/23$317
This Trip.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:46 pm
ISP
-
DTW
1 stop22h 03m
Frontier
Sun 8/98:13 pm
DTW
-
ISP
1 stop13h 40m
Frontier
Deal found 7/21$333
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:05 pm
ISP
-
DTW
1 stop6h 10m
Southwest
Mon 8/315:30 am
DTW
-
ISP
1 stop4h 10m
Southwest
Deal found 7/22$350
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:28 pm
ISP
-
DTW
1 stop4h 56m
Multiple Airlines
Mon 8/318:46 pm
DTW
-
ISP
2 stops37h 07m
Multiple Airlines
Deal found 7/22$353
This Southwest deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1611:00 am
ISP
-
DTW
2 stops8h 45m
Southwest
Mon 10/195:25 am
DTW
-
ISP
1 stop6h 20m
Southwest
Deal found 7/22$355

Find flight deals from Islip to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Detroit (DTW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Trip.com)

One-way from

$128
(Frontier)

Popular in

June

Cheapest in

February

Average price

$303
Provider with most accurate pricing for Islip Long Island-Detroit Metropolitan Wayne County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Detroit Metropolitan Wayne County flights.
Search Deals
From Islip Long Island to Detroit Metropolitan Wayne County
Search Deals
One-way flight from Islip Long Island to Detroit Metropolitan Wayne County
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Detroit 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 2,558,603 searches. Data last updated July 26, 2026.
Use the filters below to find and compare flights from Islip to Detroit Metropolitan Wayne County Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sat 8/29

7:09 pm-8:54 am

1 stop13h 45m

Detroit Metropolitan Wayne County

Wed 9/2

9:49 am-9:53 am

1 stop24h 04m

$217

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 8/20

7:09 pm-8:54 am

1 stop13h 45m

Detroit Metropolitan Wayne County

Thu 8/27

6:07 pm-9:53 am

1 stop15h 46m

$262

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 8/7

7:46 pm-5:17 pm

1 stop21h 31m

Detroit Metropolitan Wayne County

Tue 8/11

8:30 pm-9:53 am

1 stop13h 23m

$317

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 8/5

7:46 pm-5:49 pm

1 stop22h 03m

Detroit Metropolitan Wayne County

Sun 8/9

8:13 pm-9:53 am

1 stop13h 40m

$333
Quickest round-trip

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 8/28

4:05 pm-10:15 pm

1 stop6h 10m

Detroit Metropolitan Wayne County

Mon 8/31

5:30 am-9:40 am

1 stop4h 10m

$350

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 8/20

12:35 pm-10:35 pm

2 stops10h 00m

Detroit Metropolitan Wayne County

Thu 8/27

2:40 pm-10:05 pm

2 stops7h 25m

$360

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 8/14

12:35 pm-10:35 pm

2 stops10h 00m

Detroit Metropolitan Wayne County

Mon 8/17

5:30 am-9:40 am

1 stop4h 10m

$365

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 8/13

4:05 pm-10:15 pm

1 stop6h 10m

Detroit Metropolitan Wayne County

Sun 8/16

11:00 am-3:55 pm

1 stop4h 55m

$447

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 8/7

4:05 pm-10:15 pm

1 stop6h 10m

Detroit Metropolitan Wayne County

Tue 8/11

5:35 am-2:55 pm

2 stops9h 20m

$482

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 8/5

12:55 pm-8:30 pm

2 stops7h 35m

Detroit Metropolitan Wayne County

Sun 8/9

7:35 am-3:55 pm

2 stops8h 20m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Islip to Detroit

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Detroit in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Detroit Metropolitan Wayne County Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Detroit Metropolitan Wayne County Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Detroit Metropolitan Wayne County Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Detroit Metropolitan Wayne County Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit 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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Detroit Metropolitan Wayne County Airport

How often are flights from Islip to Detroit delayed?

About 0% of weekly flights between Islip and Detroit have experienced delays in the past year, with the average delay time being 0 minutes.

What is the most punctual flight time for Islip to Detroit flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Related info for your journey

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

  • How long is the flight from Islip, New York to Detroit Metropolitan Wayne County Airport?

    A quick flight from Islip, New York to Detroit Metropolitan Wayne County Airport can take about 6h 10m. Frontier provides one of the quickest options available for as low as $350. Airlines will cover a distance of 539 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Detroit Metropolitan Wayne County Airport?

Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locations
Dearborn
Southfield
Sterling Heights
Troy
Auburn Hills
Pontiac
Warren
Rochester Hills
Livonia
Southgate
Allen Park
Romulus
Roseville
Utica
Ypsilanti
Plymouth
Fremont
Port Huron
Waterford
Madison Heights

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