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$99+ 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DTW
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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1. Tell us where you want to go
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2. Select your favorite providers
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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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$198
(Frontier)

One-way from

$99
(Frontier)

Popular in

December

Cheapest in

April

Average price

$206
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
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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. 12% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/59:04 pmISP - DTW
1 stop10h 56mFrontier
Sun 4/610:02 pmDTW - ISP
1 stop10h 08mFrontier
Deal found 3/25$198
This Southwest deal was found by Cheapflights users on 3/24. 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.
Thu 5/11:00 pmISP - DTW
2 stops8h 00mSouthwest
Mon 5/54:35 pmDTW - ISP
1 stop6h 30mSouthwest
Deal found 3/24$332
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/92:35 pmISP - DTW
2 stops21h 01mMultiple Airlines
Sun 4/135:00 amDTW - ISP
2 stops38h 45mMultiple Airlines
Deal found 3/25$585

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 26, 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

Sat 4/5

9:04 pm-8:00 am

1 stop10h 56m

Detroit Metropolitan Wayne County

Sun 4/6

10:02 pm-8:10 am

1 stop10h 08m

$198

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 5/1

1:00 pm-9:00 pm

2 stops8h 00m

Detroit Metropolitan Wayne County

Mon 5/5

4:35 pm-11:05 pm

1 stop6h 30m

$332

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 4/9

2:35 pm-11:36 am

2 stops21h 01m

Detroit Metropolitan Wayne County

Sun 4/13

5:00 am-7:45 pm

2 stops38h 45m

$585

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 4/1

10:50 am-7:03 pm

1 stop8h 13m

$99

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 5/20

6:00 am-10:43 am

1 stop4h 43m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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
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 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, April is the cheapest month in which you can book a flight from Islip, New York to Detroit Metropolitan Wayne County Airport (average of $257). Flying from Islip, New York 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.

Rainfall in Detroit by month

Plan your trip to Detroit by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Detroit Metropolitan Wayne County Airport ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit Metropolitan Wayne County Airport when rainfall is around 1.8 in.

Temperature in Detroit by month

Plan your trip to Detroit by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Detroit Metropolitan Wayne County Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Detroit. Reviews last updated March 26, 2025.
Read through reviews of airlines operating flights from Islip to Detroit, such as Southwest, JetBlue and Frontier. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,922 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
6.0
Okay
3,272 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Entertainment

7.6

Crew

8.6

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • What are the cheapest airlines flying from Islip, New York to Detroit Metropolitan Wayne County Airport round-trip?

    Currently priced at $198, Frontier will fly you from Islip, New York to Detroit Metropolitan Wayne County Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Southwest for as low as $332.

  • 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, April is the cheapest month in which you can book a flight from Islip, New York to Detroit Metropolitan Wayne County Airport (average of $257). Flying from Islip, New York 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 Islip?

Book flights to Islip if you plan to visit one of these locations
Dearborn
Warren
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Troy
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Waterford
Belleville
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