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Islip

$141+ 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ISP
maj 8 — maj 151
pt. 5/8
pt. 5/15
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 Kwiecień 8, 2026.

This Trip.com deal was found by Cheapflights users on 4/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 4/191:22 pm
DTW
-
ISP
1 stop19h 51m
Frontier
czw. 4/238:31 pm
ISP
-
DTW
1 stop24h 50m
Frontier
Deal found 4/4$252
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
ndz. 6/78:12 pm
DTW
-
ISP
1 stop13h 53m
Multiple Airlines
sob. 6/1311:57 am
ISP
-
DTW
2 stops52h 43m
Multiple Airlines
Deal found 4/6$345
This Trip.com deal was found by Cheapflights users on 4/8. 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.
sob. 4/1811:26 am
DTW
-
ISP
1 stop21h 47m
Frontier
pon. 4/204:07 pm
ISP
-
DTW
1 stop21h 18m
Frontier
Deal found 4/8$370
This Southwest deal was found by Cheapflights users on 4/6. 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.
ndz. 6/75:55 am
DTW
-
ISP
1 stop5h 50m
Southwest
sob. 6/1312:15 pm
ISP
-
DTW
1 stop4h 20m
Southwest
Deal found 4/6$387
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 4/129:02 pm
DTW
-
ISP
1 stop18h 09m
Multiple Airlines
pt. 4/178:31 pm
ISP
-
DTW
2 stops20h 47m
Multiple Airlines
Deal found 4/4$404
This Kiwi.com deal was found by Cheapflights users on 4/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 4/123:07 pm
DTW
-
ISP
1 stop24h 04m
Frontier
pt. 4/174:07 pm
ISP
-
DTW
1 stop18h 24m
Frontier
Deal found 4/4$405
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
sob. 4/185:25 pm
DTW
-
ISP
1 stop15h 48m
Multiple Airlines
pon. 4/208:31 pm
ISP
-
DTW
2 stops22h 31m
Multiple Airlines
Deal found 4/8$433
This Southwest deal was found by Cheapflights users on 4/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ndz. 4/193:50 pm
DTW
-
ISP
2 stops8h 00m
Southwest
czw. 4/236:00 am
ISP
-
DTW
2 stops8h 55m
Southwest
Deal found 4/4$477

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 Kwiecień 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Trip.com)

One-way from

$141
(Expedia)

Popular in

November

Cheapest in

February

Average price

$167
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. 8% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 Kwiecień 8, 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

ndz. 4/19

1:22 pm-9:13 am

1 stop19h 51m

Islip Long Island

czw. 4/23

8:31 pm-9:21 pm

1 stop24h 50m

$252
Quickest round-trip

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

ndz. 6/7

5:55 am-11:45 am

1 stop5h 50m

Islip Long Island

sob. 6/13

12:15 pm-4:35 pm

1 stop4h 20m

$387

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

sob. 4/18

5:25 pm-9:13 am

1 stop15h 48m

Islip Long Island

pon. 4/20

8:31 pm-7:02 pm

2 stops22h 31m

$433

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

ndz. 4/19

3:50 pm-11:50 pm

2 stops8h 00m

Islip Long Island

czw. 4/23

6:00 am-2:55 pm

2 stops8h 55m

$477

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

sob. 4/18

5:50 am-11:35 am

1 stop5h 45m

Islip Long Island

sob. 4/18

4:40 pm-11:25 pm

1 stop6h 45m

$613

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

sob. 4/18

6:55 am-4:00 pm

2 stops9h 05m

Islip Long Island

pon. 4/20

6:00 am-2:55 pm

2 stops8h 55m

$624
Cheapest one-way

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

ndz. 7/19

12:35 pm-10:03 am

1 stop21h 28m

$141
Quickest one-way

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

ndz. 6/21

5:55 am-11:45 am

1 stop5h 50m

$204

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

ndz. 7/19

12:35 pm-1:28 pm

3 stops24h 53m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Sorted by cheapest first

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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.

Cheapflights Insights

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

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Islip, New York?

Currently, February is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Islip, New York (average of $51). Flying from Detroit Metropolitan Wayne County Airport to Islip, New York in June is currently the most expensive (average of $82). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 5h 50m. 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.

  • What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Islip, New York?

    Currently, February is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Islip, New York (average of $51). Flying from Detroit Metropolitan Wayne County Airport to Islip, New York in June is currently the most expensive (average of $82). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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