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$106+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DTW
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 12/152:25 pmISP - DTW
2 stops10h 54mMultiple Airlines
Wed 12/176:00 amDTW - ISP
1 stop16h 44mMultiple Airlines
Deal found 12/11$397
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Thu 12/252:19 pmISP - DTW
2 stops17h 48mMultiple Airlines
Mon 12/296:15 amDTW - ISP
1 stop17h 44mMultiple Airlines
Deal found 12/10$485
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 amISP - DTW
1 stop7h 28mFrontier
Sat 12/2711:01 amDTW - ISP
1 stop12h 58mFrontier
Deal found 12/9$702
This Frontier deal was found by Cheapflights users on 12/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 amISP - DTW
1 stop7h 28mFrontier
Sun 12/2810:55 amDTW - ISP
1 stop8h 45mFrontier
Deal found 12/9$732
This Southwest deal was found by Cheapflights users on 12/11. 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.
Mon 12/1512:55 pmISP - DTW
2 stops8h 30mSouthwest
Wed 12/176:10 amDTW - ISP
2 stops9h 10mSouthwest
Deal found 12/11$767

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$485
(Kiwi.com)

One-way from

$106
(Expedia)

Popular in

December

Cheapest in

January

Average price

$268
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. 5% potential increase in price ($11 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Thu 12/25

12:20 pm-9:32 pm

1 stop9h 12m

Detroit Metropolitan Wayne County

Mon 12/29

6:15 am-11:59 pm

1 stop17h 44m

$571

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 12/23

6:25 am-1:53 pm

1 stop7h 28m

Detroit Metropolitan Wayne County

Sun 12/28

10:55 am-7:40 pm

1 stop8h 45m

$732

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 12/23

6:25 am-1:53 pm

1 stop7h 28m

Detroit Metropolitan Wayne County

Sat 12/27

11:01 am-11:59 pm

1 stop12h 58m

$761

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sun 12/21

6:15 am-1:24 pm

1 stop7h 09m

$106

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 12/18

12:20 pm-7:38 pm

1 stop7h 18m

$132

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 12/23

6:25 am-1:53 pm

1 stop7h 28m

$161

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sun 12/21

11:40 am-8:53 am

2 stops21h 13m

$193

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sat 3/28

6:00 am-1:33 pm

1 stop7h 33m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-Detroit Metropolitan Wayne County Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 7h 28m. Frontier provides one of the quickest options available for as low as $702. 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
Sterling Heights
Dearborn
Southfield
Warren
Troy
Auburn Hills
Novi
Allen Park
Clarkston
Utica
Rochester Hills
Roseville
Romulus
Monroe
Wixom
Ypsilanti
Brighton
Livonia
Plymouth
Fremont

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