What are the cheapest airlines to fly from Islip, New York to Detroit one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $199 and $213 on Southwest and JetBlue, respectively.

What is the cheapest day to fly from Islip, New York to Detroit?

Travelers seeking maximum savings on their Islip, New York to Detroit flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How far in advance should I book a flight from Islip, New York to Detroit?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 35 days in advance, which can save you up to 94% on flights from Islip, New York to Detroit compared to booking the week you need them. Waiting 35 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $172. For sooner than that we have options available in the next 3 days from $322.

What is the cheapest month to fly from Islip, New York to Detroit?

The best pricing can be found in the month of May. Prices to Detroit from Islip, New York average $226. You can even find prices in May for less than $226, as users have found deals to Detroit from as low as $53. The month of December appears to be one of the more expensive times to travel to Detroit from Islip, New York. Flying in the targeted month can save you up to 39%.

What is the cheapest time of day to fly from ISP to DTT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Detroit as you normally would.

Most accurate provider : When it comes to deals on Islip, New York-Detroit 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Detroit flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Islip, New York-Detroit 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 flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$86+ Flights from Islip, NY to Detroit

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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

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$161 (CheapOair)
One-way from	$86 (Frontier)
Popular in	December
Cheapest in	May
Average price	$197

Provider with most accurate pricing for Islip Long Island-Detroit (DTT) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Islip Long Island-Detroit (DTT) flights.

Search Deals

From Islip Long Island to Detroit (DTT)

Search Deals

One-way flight from Islip Long Island to Detroit (DTT)

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 17, 2025.

Thu 5/86:48 pmISP - DTW

1 stop23h 12mFrontier

Sun 5/1112:54 pmDTW - ISP

1 stop21h 18mFrontier

Deal found 4/16

$161

Wed 5/286:00 amISP - DTW

1 stop4h 43mJetBlue

Tue 6/241:14 pmDTW - ISP

1 stop8h 01mJetBlue

Deal found 4/16

$342

Thu 9/256:00 amISP - DTW

1 stop6h 50mSouthwest

Sun 9/285:40 amDTW - ISP

1 stop6h 50mSouthwest

Deal found 4/16

$358

Wed 4/302:25 pmISP - DTW

2 stops18h 32mMultiple Airlines

Sun 5/47:04 amDTW - ISP

3 stops27h 00mMultiple Airlines

Deal found 4/15

$574

Best flights from Islip to Detroit
Discover carefully curated flight deals from Islip to Detroit that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2025.

Thu 5/86:48 pmISP - DTW

1 stop23h 12mFrontier

Sun 5/1112:54 pmDTW - ISP

1 stop21h 18mFrontier

Deal found 4/16

$161

Tue 6/176:00 amISP - DTW

1 stop6h 17mJetBlue

Wed 6/181:14 pmDTW - ISP

1 stop8h 01mJetBlue

Deal found 4/16

$271

Thu 9/256:00 amISP - DTW

1 stop6h 50mSouthwest

Sun 9/285:40 amDTW - ISP

1 stop6h 50mSouthwest

Deal found 4/16

$358

Wed 4/302:25 pmISP - DTW

2 stops18h 32mMultiple Airlines

Sun 5/47:04 amDTW - ISP

3 stops27h 00mMultiple Airlines

Deal found 4/15

$574

Last-minute flights from Islip to Detroit
Discover last-minute flight deals from Islip to Detroit. Data last updated April 17, 2025 and is based on user searches.

Fri 4/252:08 pmISP - DTW

1 stop27h 32mFrontier

Sat 5/39:58 pmDTW - ISP

1 stop12h 14mFrontier

Deal found 4/16

$191

Sat 4/265:40 amISP - DTW

1 stop6h 35mSouthwest

Mon 4/2812:40 pmDTW - ISP

2 stops7h 40mSouthwest

Deal found 4/16

$532

Sat 4/262:35 pmISP - DTW

3 stops22h 26mMultiple Airlines

Mon 4/287:00 amDTW - ISP

2 stops12h 45mMultiple Airlines

Deal found 4/16

$788

Wed 4/306:10 amISP - DTW

2 stops9h 10mSouthwest

Sun 5/45:45 amDTW - ISP

1 stop6h 05mSouthwest

Deal found 4/15

$472

Wed 4/302:25 pmISP - DTW

2 stops18h 32mMultiple Airlines

Sun 5/47:04 amDTW - ISP

3 stops27h 00mMultiple Airlines

Deal found 4/15

$574

Thu 5/86:48 pmISP - DTW

1 stop23h 12mFrontier

Sun 5/1112:54 pmDTW - ISP

1 stop21h 18mFrontier

Deal found 4/16

$161

Wed 5/286:00 amISP - DTW

1 stop4h 43mJetBlue

Tue 6/241:14 pmDTW - ISP

1 stop8h 01mJetBlue

Deal found 4/16

$342

One-way flights from Islip to Detroit
Search for one-way flight options from Islip to Detroit. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Wed 5/77:15 pmISP - DTW

1 stop13h 37mFrontier

Deal found 4/16

$86

Wed 5/76:10 amISP - DTW

2 stops9h 10mSouthwest

Deal found 4/16

$199

Mon 7/286:00 amISP - DTW

1 stop6h 17mJetBlue

Deal found 4/16

$213

Wed 5/72:55 pmISP - DTW

3 stops32h 25mMultiple Airlines

Deal found 4/16

$244

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 5/8

6:48 pm-6:00 pm

1 stop23h 12m

Detroit Metropolitan Wayne County

Sun 5/11

12:54 pm-10:12 am

1 stop21h 18m

$161

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 6/17

6:00 am-12:17 pm

1 stop6h 17m

Detroit Metropolitan Wayne County

Wed 6/18

1:14 pm-9:15 pm

1 stop8h 01m

$271

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 9/25

6:00 am-12:50 pm

1 stop6h 50m

Detroit Metropolitan Wayne County

Sun 9/28

5:40 am-12:30 pm

1 stop6h 50m

$358

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 4/30

2:25 pm-8:57 am

2 stops18h 32m

Detroit Metropolitan Wayne County

Sun 5/4

7:04 am-10:04 am

3 stops27h 00m

$574

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 5/7

7:15 pm-8:52 am

1 stop13h 37m

$86

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 5/7

6:10 am-3:20 pm

2 stops9h 10m

$199

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 7/28

6:00 am-12:17 pm

1 stop6h 17m

$213

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 5/7

2:55 pm-11:20 pm

3 stops32h 25m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Compare providers for flights from Islip to Detroit

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Detroit in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust 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 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Detroit flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Islip, New York-Detroit 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 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

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

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

In terms of precipitation, rainfall in Detroit 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 when rainfall is around 1.8 in.

Temperature in Detroit by month

If weather is an important factor for your trip to Detroit, 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

To help decide which airline to fly from Islip to Detroit, see what other customers have to say about Southwest, JetBlue and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,280 reviews

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

8.0

Very good

4,280 reviews

Southwest

8.0

Very good

4,280 reviews

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

2,926 reviews

Southwest

8.0

Very good

4,280 reviews

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

3,281 reviews

Southwest

8.0

Very good

4,280 reviews

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

What are the cheapest airlines to fly from Islip, New York to Detroit one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $199 and $213 on Southwest and JetBlue, respectively.
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?
Currently, April is the cheapest month in which you can book a flight from Islip, New York to Detroit (average of $257). Flying from Islip, New York to Detroit 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.

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$86+ Cheap flights from Islip, NY to Detroit (ISP - DTT)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Detroit with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Islip to Detroit

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Islip to Detroit

Cheapest flights from Islip to DetroitExplore 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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Detroit that are best for you.

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 April.

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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Detroit

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

Rainfall in Detroit by month

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

Temperature in Detroit by month

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

Reviews of airlines servicing Detroit

To help decide which airline to fly from Islip to Detroit, see what other customers have to say about Southwest, JetBlue and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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 to fly from Islip, New York to Detroit one-way?

Can I find deals for flights from Islip to Detroit that include hotel bookings?

How can I find direct flights from Islip to Detroit?

Can I find deals for business class flights from Islip to Detroit?

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

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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 April 17, 2025.