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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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ISP
Aug 5 — Aug 121
Wed 8/5
Wed 8/12
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 July 6, 2026.

This Booking.com deal was found by Cheapflights users on 7/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:13 pm
DTW
-
ISP
1 stop13h 40m
Frontier
Wed 8/127:46 pm
ISP
-
DTW
1 stop22h 03m
Frontier
Deal found 7/4$241
This Orbitz deal was found by Cheapflights users on 7/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:01 pm
DTW
-
ISP
1 stop26h 02m
Frontier
Thu 10/154:13 pm
ISP
-
DTW
1 stop19h 51m
Frontier
Deal found 7/4$248
This Booking.com deal was found by Cheapflights users on 7/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:49 am
DTW
-
ISP
1 stop24h 04m
Frontier
Mon 8/3110:57 am
ISP
-
DTW
1 stop21h 57m
Frontier
Deal found 7/5$260
This Expedia deal was found by Cheapflights users on 7/2. 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 7/246:47 pm
DTW
-
ISP
1 stop15h 06m
Frontier
Mon 7/277:46 pm
ISP
-
DTW
1 stop22h 09m
Frontier
Deal found 7/2$268
This Frontier deal was found by Cheapflights users on 7/3. 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 7/3$285
This Frontier deal was found by Cheapflights users on 7/5. 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 7/218:30 pm
DTW
-
ISP
1 stop13h 23m
Frontier
Sat 7/2510:43 am
ISP
-
DTW
1 stop7h 53m
Frontier
Deal found 7/5$308
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Thu 8/279:49 am
DTW
-
ISP
1 stop8h 25m
Multiple Airlines
Mon 8/311:00 pm
ISP
-
DTW
2 stops28h 22m
Multiple Airlines
Deal found 7/5$311
This Southwest deal was found by Cheapflights users on 7/2. 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 8/15:30 am
DTW
-
ISP
1 stop6h 05m
Southwest
Fri 8/74:05 pm
ISP
-
DTW
1 stop6h 10m
Southwest
Deal found 7/2$345
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Tue 10/133:38 pm
DTW
-
ISP
2 stops19h 42m
Multiple Airlines
Fri 10/163:02 pm
ISP
-
DTW
1 stop4h 57m
Multiple Airlines
Deal found 7/1$346
This Southwest deal was found by Cheapflights users on 7/1. 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.
Tue 10/139:00 am
DTW
-
ISP
2 stops10h 55m
Southwest
Fri 10/1611:00 am
ISP
-
DTW
2 stops8h 45m
Southwest
Deal found 7/1$355

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 July 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(Booking.com)

One-way from

$111
(Frontier)

Popular in

June

Cheapest in

February

Average price

$226
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. 28% potential increase in price ($70 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($12 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 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 July 6, 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

Thu 8/27

9:49 am-9:53 am

1 stop24h 04m

Islip Long Island

Mon 8/31

10:57 am-8:54 am

1 stop21h 57m

$260
Quickest round-trip

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Sat 8/1

5:30 am-11:35 am

1 stop6h 05m

Islip Long Island

Fri 8/7

4:05 pm-10:15 pm

1 stop6h 10m

$345

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Tue 7/21

8:30 pm-9:53 am

1 stop13h 23m

Islip Long Island

Fri 7/24

10:57 am-5:51 pm

1 stop6h 54m

$367

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Tue 7/21

8:30 pm-9:53 am

1 stop13h 23m

Islip Long Island

Mon 7/27

10:57 am-5:51 pm

1 stop6h 54m

$367

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

$390

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Tue 7/14

8:30 pm-9:53 am

1 stop13h 23m

Islip Long Island

Wed 7/15

7:46 pm-5:49 pm

1 stop22h 03m

$395

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 8/27

1:20 pm-10:05 pm

2 stops8h 45m

Islip Long Island

Mon 8/31

6:10 am-3:10 pm

2 stops9h 00m

$397

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Sun 8/9

2:56 pm-1:28 pm

2 stops22h 32m

Islip Long Island

Wed 8/12

7:46 pm-5:49 pm

1 stop22h 03m

$405

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Sun 8/9

1:20 pm-11:15 pm

2 stops9h 55m

Islip Long Island

Wed 8/12

6:05 am-1:40 pm

2 stops7h 35m

$447

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 8/7

3:50 pm-10:05 pm

1 stop6h 15m

Islip Long Island

Sun 8/9

6:20 am-4:45 pm

2 stops10h 25m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

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 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 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 6h 05m. 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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