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Islip

$111+ Cheap flights from Detroit Metropolitan Wayne County Airport to Islip, NY (DTW - ISP)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ISP
Jul 25 — Aug 11
Sat 7/25
Sat 8/1
1 adult, Economy
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Cheap flight deals from Detroit to Islip

Cheapest flights from Detroit to Islip
Explore the most affordable flight options available from Detroit to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 25, 2026.

This Frontier deal was found by Cheapflights users on 6/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:54 pm
DTW
-
ISP
1 stop12h 39m
Frontier
Sun 10/118:55 pm
ISP
-
DTW
1 stop12h 52m
Frontier
Deal found 6/23$229
This Frontier deal was found by Cheapflights users on 6/24. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:54 pm
DTW
-
ISP
1 stop12h 39m
Frontier
Sun 10/258:55 pm
ISP
-
DTW
1 stop12h 52m
Frontier
Deal found 6/24$249
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Sun 7/267:51 pm
DTW
-
ISP
1 stop14h 02m
Frontier
Wed 7/297:46 pm
ISP
-
DTW
1 stop22h 03m
Frontier
Deal found 6/23$257
This Trip.com deal was found by Cheapflights users on 6/24. 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.
Fri 8/76:47 pm
DTW
-
ISP
1 stop15h 06m
Frontier
Sat 8/227:46 pm
ISP
-
DTW
1 stop22h 17m
Frontier
Deal found 6/24$263
This Trip.com deal was found by Cheapflights users on 6/25. 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 7/307:57 pm
DTW
-
ISP
1 stop13h 56m
Frontier
Sat 8/17:46 pm
ISP
-
DTW
1 stop22h 03m
Frontier
Deal found 6/25$265
This Frontier deal was found by Cheapflights users on 6/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:42 am
DTW
-
ISP
1 stop9h 18m
Frontier
Sun 10/188:55 pm
ISP
-
DTW
1 stop12h 52m
Frontier
Deal found 6/23$268
This Expedia deal was found by Cheapflights users on 6/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:27 pm
DTW
-
ISP
1 stop21h 26m
Frontier
Mon 7/137:46 pm
ISP
-
DTW
1 stop22h 09m
Frontier
Deal found 6/21$288
This Frontier deal was found by Cheapflights users on 6/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:30 pm
DTW
-
ISP
1 stop13h 23m
Frontier
Sat 7/1110:43 am
ISP
-
DTW
1 stop7h 53m
Frontier
Deal found 6/22$309
This Southwest deal was found by Cheapflights users on 6/25. 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 7/305:45 pm
DTW
-
ISP
1 stop5h 55m
Southwest
Sat 8/15:35 pm
ISP
-
DTW
1 stop6h 15m
Southwest
Deal found 6/25$345
This Southwest deal was found by Cheapflights users on 6/25. 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 8/275:30 am
DTW
-
ISP
1 stop4h 10m
Southwest
Sun 8/306:20 am
ISP
-
DTW
1 stop6h 15m
Southwest
Deal found 6/25$349
This Southwest deal was found by Cheapflights users on 6/23. 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.
Sun 7/265:55 am
DTW
-
ISP
1 stop5h 50m
Southwest
Wed 7/298:55 am
ISP
-
DTW
2 stops10h 35m
Southwest
Deal found 6/23$350

Find flight deals from Detroit to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to Islip (ISP). 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 June 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$229
(Frontier)

One-way from

$111
(Frontier)

Popular in

June

Cheapest in

February

Average price

$253
Provider with most accurate pricing for Detroit Metropolitan Wayne County-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit Metropolitan Wayne County-Islip Long Island flights.
Search Deals
From Detroit Metropolitan Wayne County to Islip Long Island
Search Deals
One-way flight from Detroit Metropolitan Wayne County to Islip Long Island
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Islip 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 June 25, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 7/10

12:27 pm-9:53 am

1 stop21h 26m

Islip Long Island

Mon 7/13

7:46 pm-5:55 pm

1 stop22h 09m

$308

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Tue 7/7

8:30 pm-9:53 am

1 stop13h 23m

Islip Long Island

Sat 7/11

10:43 am-6:36 pm

1 stop7h 53m

$309
Quickest round-trip

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 8/27

5:30 am-9:40 am

1 stop4h 10m

Islip Long Island

Sun 8/30

6:20 am-12:35 pm

1 stop6h 15m

$349

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 8/7

6:47 pm-9:53 am

1 stop15h 06m

Islip Long Island

Tue 8/11

5:27 pm-4:28 pm

2 stops23h 01m

$360

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Wed 10/21

4:20 pm-10:15 pm

1 stop5h 55m

Islip Long Island

Sun 10/25

6:00 am-3:10 pm

2 stops9h 10m

$360

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 8/7

3:50 pm-10:05 pm

1 stop6h 15m

Islip Long Island

Tue 8/11

6:05 am-12:20 pm

1 stop6h 15m

$364

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Mon 8/10

5:30 am-9:40 am

1 stop4h 10m

Islip Long Island

Fri 8/14

12:35 pm-10:15 pm

1 stop9h 40m

$369

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 8/7

2:40 pm-10:05 pm

2 stops7h 25m

Islip Long Island

Sat 8/22

11:55 am-6:55 pm

2 stops7h 00m

$397

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Mon 7/20

5:45 pm-11:40 pm

1 stop5h 55m

Islip Long Island

Thu 7/23

5:50 pm-12:20 am

1 stop6h 30m

$397
Cheapest one-way

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Tue 8/4

8:30 pm-9:53 am

1 stop13h 23m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/24

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Detroit to Islip

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 Detroit to Islip in June.
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 Detroit Metropolitan Wayne County Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit Metropolitan Wayne County Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit Metropolitan Wayne County Airport-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Islip, New York 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 Detroit Metropolitan Wayne County Airport-Islip, New York 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 Detroit to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Detroit 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 Detroit to Islip. 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 Detroit Metropolitan Wayne County Airport to Islip, New York?

    Departing from Detroit Metropolitan Wayne County Airport to Islip, New York will take you 4h 10m. Airlines will cover a distance of 539 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit to Islip 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

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