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$126+ Cheap flights from Islip 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DTW
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$188
(Kiwi.com)

One-way from

$126
(Southwest)

Popular in

December

Cheapest in

January

Average price

$227
From Islip Long Island to Detroit Metropolitan Wayne County
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One-way flight from Islip Long Island to Detroit Metropolitan Wayne County
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Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/2411:35 amISP - DTW
1 stop21h 09mFrontier
Sun 9/281:36 pmDTW - ISP
1 stop21h 04mFrontier
Deal found 9/9$188
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Tue 9/3011:25 amISP - DTW
2 stops26h 42mFrontier
Thu 10/21:36 pmDTW - ISP
1 stop21h 04mFrontier
Deal found 9/10$203
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/265:12 pmISP - DTW
2 stops15h 02mMultiple Airlines
Mon 9/291:36 pmDTW - ISP
1 stop21h 04mMultiple Airlines
Deal found 9/10$227
This Booking.com deal was found by Cheapflights users on 9/10. 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.
Fri 9/265:05 pmISP - DTW
1 stop17h 40mFrontier
Mon 9/291:36 pmDTW - ISP
1 stop21h 04mFrontier
Deal found 9/10$234
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/2411:35 amISP - DTW
1 stop21h 09mMultiple Airlines
Sun 9/289:19 pmDTW - ISP
2 stops37h 21mMultiple Airlines
Deal found 9/9$267
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/3011:25 amISP - DTW
1 stop21h 15mMultiple Airlines
Thu 10/21:36 pmDTW - ISP
1 stop21h 04mMultiple Airlines
Deal found 9/10$270
This Southwest deal was found by Cheapflights users on 9/9. 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 9/305:30 amISP - DTW
2 stops8h 25mSouthwest
Thu 10/25:40 pmDTW - ISP
1 stop6h 05mSouthwest
Deal found 9/9$279
This Booking.com deal was found by Cheapflights users on 9/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:05 pmISP - DTW
1 stop17h 40mFrontier
Sun 9/281:36 pmDTW - ISP
1 stop21h 04mFrontier
Deal found 9/8$285

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 September 11, 2025.
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

Wed 9/24

11:35 am-8:44 am

1 stop21h 09m

Detroit Metropolitan Wayne County

Sun 9/28

1:36 pm-10:40 am

1 stop21h 04m

$188

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 9/30

11:25 am-2:07 pm

2 stops26h 42m

Detroit Metropolitan Wayne County

Thu 10/2

1:36 pm-10:40 am

1 stop21h 04m

$203

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 9/26

5:12 pm-8:14 am

2 stops15h 02m

Detroit Metropolitan Wayne County

Mon 9/29

1:36 pm-10:40 am

1 stop21h 04m

$227

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 9/26

5:05 pm-10:45 am

1 stop17h 40m

Detroit Metropolitan Wayne County

Mon 9/29

1:36 pm-10:40 am

1 stop21h 04m

$234

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 9/24

11:35 am-8:44 am

1 stop21h 09m

Detroit Metropolitan Wayne County

Sun 9/28

9:19 pm-10:40 am

2 stops37h 21m

$267

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 9/26

9:49 am-2:46 pm

2 stops28h 57m

Detroit Metropolitan Wayne County

Sun 9/28

10:32 am-10:40 am

2 stops24h 08m

$267

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 9/30

11:25 am-8:40 am

1 stop21h 15m

Detroit Metropolitan Wayne County

Thu 10/2

1:36 pm-10:40 am

1 stop21h 04m

$270

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 9/30

5:30 am-1:55 pm

2 stops8h 25m

Detroit Metropolitan Wayne County

Thu 10/2

5:40 pm-11:45 pm

1 stop6h 05m

$279

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sat 11/1

6:05 am-12:20 pm

1 stop6h 15m

$126

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 10/31

1:30 pm-9:25 pm

1 stop7h 55m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 12 results
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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 to Detroit Metropolitan Wayne County Airport?

Currently, August is the cheapest month in which you can book a flight from Islip to Detroit Metropolitan Wayne County Airport (average of $250). Flying from Islip to Detroit Metropolitan Wayne County Airport in March is currently the most expensive (average of $305). 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 to Detroit Metropolitan Wayne County Airport?

    A quick flight from Islip to Detroit Metropolitan Wayne County Airport can take about 21h 09m. Frontier provides one of the quickest options available for as low as $188. Islip and Detroit Metropolitan Wayne County Airport are separated by 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 to Detroit Metropolitan Wayne County Airport?

    Currently, August is the cheapest month in which you can book a flight from Islip to Detroit Metropolitan Wayne County Airport (average of $250). Flying from Islip to Detroit Metropolitan Wayne County Airport in March is currently the most expensive (average of $305). 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
Sterling Heights
Dearborn
Troy
Warren
Southfield
Novi
Clarkston
Allen Park
Utica
Plymouth
Monroe
Wixom
Brighton
Livonia
Roseville
Fremont
Port Huron
Auburn Hills
Madison Heights
Southgate

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