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$163+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DTW
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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 January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:43 pm
ISP
-
DTW
1 stop16h 38m
Frontier
Sun 2/13:14 pm
DTW
-
ISP
1 stop27h 34m
Frontier
Deal found 1/23$294
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/309:43 pm
ISP
-
DTW
2 stops15h 47m
Multiple Airlines
Sun 2/13:14 pm
DTW
-
ISP
1 stop27h 34m
Multiple Airlines
Deal found 1/23$314
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/92:31 pm
ISP
-
DTW
2 stops9h 48m
Multiple Airlines
Fri 2/1310:37 am
DTW
-
ISP
1 stop24h 33m
Multiple Airlines
Deal found 1/25$329
This Southwest deal was found by Cheapflights users on 1/23. 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.
Fri 1/306:00 am
ISP
-
DTW
1 stop6h 45m
Southwest
Sun 2/14:10 pm
DTW
-
ISP
1 stop6h 10m
Southwest
Deal found 1/23$573

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$329
(Kiwi.com)

One-way from

$163
(Southwest)

Popular in

April

Cheapest in

March

Average price

$202
Provider with most accurate pricing for Islip Long Island-Detroit Metropolitan Wayne County flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Detroit Metropolitan Wayne County flights.
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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. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 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

Islip

Fly to

Detroit

Route

Depart

Return

Price

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 1/30

9:43 pm-2:21 pm

1 stop16h 38m

Detroit Metropolitan Wayne County

Sun 2/1

3:14 pm-6:48 pm

1 stop27h 34m

$294

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 1/30

9:43 pm-1:30 pm

2 stops15h 47m

Detroit Metropolitan Wayne County

Sun 2/1

3:14 pm-6:48 pm

1 stop27h 34m

$314

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 2/9

2:31 pm-12:19 am

2 stops9h 48m

Detroit Metropolitan Wayne County

Fri 2/13

10:37 am-11:10 am

1 stop24h 33m

$329

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 1/30

6:00 am-12:45 pm

1 stop6h 45m

Detroit Metropolitan Wayne County

Sun 2/1

4:10 pm-10:20 pm

1 stop6h 10m

$573

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sat 4/18

9:20 am-4:10 pm

1 stop6h 50m

$163

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 4/17

2:31 pm-9:49 pm

1 stop7h 18m

$164

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 4/17

6:00 am-2:20 pm

2 stops8h 20m

$189

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 2/18

2:03 pm-9:08 pm

1 stop7h 05m

$220

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sat 4/18

11:50 am-10:58 am

3 stops23h 08m

$231

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sun 2/22

8:21 pm-9:42 am

1 stop13h 21m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 13 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Expedia the most. Expedia 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, March is the cheapest month in which you can book a flight from Islip, New York to Detroit Metropolitan Wayne County Airport (average of $49). 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 16h 38m. Frontier provides one of the quickest options available for as low as $294. 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, March is the cheapest month in which you can book a flight from Islip, New York to Detroit Metropolitan Wayne County Airport (average of $49). 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
Brighton
Livonia
Plymouth
Fremont
Port Huron

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