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$80+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DTW
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Southwest deal was found by Cheapflights users on 3/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:30 am
ISP
-
DTW
1 stop5h 30m
Southwest
Thu 4/163:35 pm
DTW
-
ISP
1 stop4h 50m
Southwest
Deal found 3/5$309
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Fri 5/14:07 pm
ISP
-
DTW
1 stop18h 24m
Multiple Airlines
Mon 5/46:50 am
DTW
-
ISP
2 stops12h 46m
Multiple Airlines
Deal found 3/8$392
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Sun 3/154:34 pm
ISP
-
DTW
1 stop23h 50m
Multiple Airlines
Mon 3/239:53 pm
DTW
-
ISP
2 stops37h 17m
Multiple Airlines
Deal found 3/7$398
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:00 am
ISP
-
DTW
2 stops8h 20m
Southwest
Mon 5/47:00 am
DTW
-
ISP
2 stops9h 30m
Southwest
Deal found 3/8$417
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Wed 3/2511:50 am
ISP
-
DTW
1 stop23h 17m
Multiple Airlines
Fri 3/274:40 pm
DTW
-
ISP
1 stop17h 08m
Multiple Airlines
Deal found 3/5$424
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 3/237:20 pm
ISP
-
DTW
1 stop28h 09m
Multiple Airlines
Fri 3/275:34 pm
DTW
-
ISP
2 stops17h 36m
Multiple Airlines
Deal found 3/8$441
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Sun 3/85:08 pm
ISP
-
DTW
2 stops38h 59m
Multiple Airlines
Sun 3/159:28 pm
DTW
-
ISP
1 stop12h 35m
Multiple Airlines
Deal found 3/7$454
This Southwest deal was found by Cheapflights users on 3/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/202:00 pm
ISP
-
DTW
1 stop4h 00m
Southwest
Sun 3/223:55 pm
DTW
-
ISP
2 stops7h 55m
Southwest
Deal found 3/5$462

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Southwest)

One-way from

$80
(Frontier)

Popular in

April

Cheapest in

February

Average price

$210
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. 5% potential increase in price ($12 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 March 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 March 10, 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
Quickest round-trip

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 4/14

6:30 am-12:00 pm

1 stop5h 30m

Detroit Metropolitan Wayne County

Thu 4/16

3:35 pm-8:25 pm

1 stop4h 50m

$309

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sun 3/15

4:34 pm-4:24 pm

1 stop23h 50m

Detroit Metropolitan Wayne County

Mon 3/23

9:53 pm-11:10 am

2 stops37h 17m

$398

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 3/25

11:50 am-11:07 am

1 stop23h 17m

Detroit Metropolitan Wayne County

Fri 3/27

4:40 pm-9:48 am

1 stop17h 08m

$424

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sat 3/21

5:50 pm-12:10 am

1 stop6h 20m

Detroit Metropolitan Wayne County

Sun 3/22

3:55 pm-11:50 pm

2 stops7h 55m

$462

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 3/20

2:00 pm-6:00 pm

1 stop4h 00m

Detroit Metropolitan Wayne County

Sun 3/22

3:55 pm-11:50 pm

2 stops7h 55m

$462

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sun 3/15

5:40 am-1:40 pm

2 stops8h 00m

Detroit Metropolitan Wayne County

Mon 3/23

4:30 pm-11:55 pm

2 stops7h 25m

$520

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 3/23

2:00 pm-6:00 pm

1 stop4h 00m

Detroit Metropolitan Wayne County

Fri 3/27

3:35 pm-11:55 pm

1 stop8h 20m

$538

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 4/2

8:36 pm-8:59 am

1 stop12h 23m

Detroit Metropolitan Wayne County

Mon 4/6

3:59 pm-12:23 am

1 stop8h 24m

$644

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 4/1

8:54 pm-9:39 am

1 stop12h 45m

Detroit Metropolitan Wayne County

Sat 4/4

2:53 pm-11:57 pm

1 stop9h 04m

$644

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 4/6

2:00 pm-12:15 am

1 stop10h 15m

Detroit Metropolitan Wayne County

Sat 4/11

5:50 am-11:35 am

1 stop5h 45m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 14 resultsSorted by cheapest first
1
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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 March.
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

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

Currently, November is the cheapest month in which you can book a flight from Islip, New York to Detroit Metropolitan Wayne County Airport (average of $54). Flying from Islip, New York to Detroit Metropolitan Wayne County Airport in June is currently the most expensive (average of $85). 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 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 5h 30m. Southwest provides one of the quickest options available for as low as $309. Airlines will cover a distance of 539 mi.

  • 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.

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

    Currently, November is the cheapest month in which you can book a flight from Islip, New York to Detroit Metropolitan Wayne County Airport (average of $54). Flying from Islip, New York to Detroit Metropolitan Wayne County Airport in June is currently the most expensive (average of $85). 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

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
Warren
Auburn Hills
Allen Park
Clarkston
Rochester Hills
Roseville
Romulus
Utica
Monroe
Wixom
Ypsilanti
Livonia
Plymouth
Fremont
Port Huron
Madison Heights

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