What is the cheapest airline that flies from Islip Long Island to Detroit?

Frontier is the most popular carrier operating from Islip Long Island to Detroit

What airlines fly to Detroit?

Spirit Airlines, Delta and United Airlines are the top three most popular airlines that fly to Detroit from Islip, New York according to our data. Spirit Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 6 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Islip Long Island Airport to Detroit?

Prices for flights from Islip Long Island Airport to Detroit refresh daily.

How old do you have to be to fly from Islip Long Island Airport to Detroit?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Detroit.

What documentation or ID do you need to fly to Detroit?

The necessary travel and health documents for your Detroit trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$161 Cheap Flights from Islip to Detroit in 2025/26

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Find the cheapest flights from Islip, New York to Detroit

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:27 pm - 3:15 pmISP-DTW

20h 48m2 stops

9:53 pm - 10:09 amDTW-ISP

12h 16m1 stop

$177Multiple Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

6:27 pm - 9:58 amISP-DTW

15h 31m1 stop

9:53 pm - 10:09 amDTW-ISP

12h 16m1 stop

$192Multiple Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

9:54 am - 11:58 pmISP-DTW

14h 04m1 stop

10:42 am - 10:37 amDTW-ISP

23h 55m2 stops

$211Multiple Airlines

Find Deal

Mon, Nov 17 - Tue, Nov 18

6:27 pm - 9:58 amISP-DTW

15h 31m1 stop

10:48 am - 10:37 amDTW-ISP

23h 49m2 stops

$215Multiple Airlines

Find Deal

Tue, Nov 18 - Thu, Nov 20

6:27 pm - 9:58 amISP-DTW

15h 31m1 stop

10:21 am - 10:37 amDTW-ISP

24h 16m1 stop

$227Multiple Airlines

Find Deal

Tue, Nov 18 - Thu, Nov 20

9:54 am - 11:58 pmISP-DTW

14h 04m1 stop

10:45 am - 10:37 amDTW-ISP

23h 52m1 stop

$230Multiple Airlines

Find Deal

Mon, Nov 17 - Tue, Nov 18

12:20 pm - 7:38 pmISP-DTW

7h 18m1 stop

10:55 am - 7:40 pmDTW-ISP

8h 45m1 stop

$426Frontier

Find Deal

Thu, Dec 18 - Sun, Dec 21

12:55 pm - 10:40 pmISP-DTW

9h 45m2 stops

1:15 pm - 10:05 pmDTW-ISP

8h 50m2 stops

$457Southwest

Find Deal

Mon, Nov 17 - Tue, Nov 18

5:30 pm - 11:40 pmISP-DTW

6h 10m2 stops

12:50 pm - 11:50 pmDTW-ISP

11h 00m2 stops

$583Southwest

Find Deal

Fri, Nov 14 - Sun, Nov 16

11:03 am - 6:08 pmISP-DTW

7h 05m1 stop

11:26 am - 7:30 pmDTW-ISP

8h 04m1 stop

$930Frontier

Find Deal

Wed, Nov 26 - Sun, Nov 30

Frontier flights from Islip, New York to Detroit

Our best Frontier deals on Islip, New York to Detroit flight tickets

Frontier

Dec 18

ISP12:20 pmIslip Long Island

7h 18m

1 stop

DTW7:38 pmDetroit Metropolitan Wayne County

Dec 21

DTW10:55 amDetroit Metropolitan Wayne County

8h 45m

1 stop

ISP7:40 pmIslip Long Island

$426

Find similar

Frontier

Nov 26

ISP11:03 amIslip Long Island

7h 05m

1 stop

DTW6:08 pmDetroit Metropolitan Wayne County

Nov 30

DTW11:26 amDetroit Metropolitan Wayne County

8h 04m

1 stop

ISP7:30 pmIslip Long Island

$930

Find similar

Southwest flights from Islip, New York to Detroit

Our best Southwest deals on Islip, New York to Detroit flight tickets

Southwest

Nov 17

ISP12:55 pmIslip Long Island

9h 45m

2 stops

DTW10:40 pmDetroit Metropolitan Wayne County

Nov 18

DTW1:15 pmDetroit Metropolitan Wayne County

8h 50m

2 stops

ISP10:05 pmIslip Long Island

$457

Find similar

Southwest

Nov 13

ISP5:30 pmIslip Long Island

6h 10m

2 stops

DTW11:40 pmDetroit Metropolitan Wayne County

Nov 20

DTW1:15 pmDetroit Metropolitan Wayne County

8h 25m

2 stops

ISP9:40 pmIslip Long Island

$520

Find similar

Southwest

Nov 13

ISP5:50 amIslip Long Island

8h 15m

2 stops

DTW2:05 pmDetroit Metropolitan Wayne County

Nov 21

DTW12:50 pmDetroit Metropolitan Wayne County

11h 00m

2 stops

ISP11:50 pmIslip Long Island

$555

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 11/18

6:27 pm-3:15 pm

2 stops20h 48m

Detroit Metropolitan Wayne County

Sat 11/22

9:53 pm-10:09 am

1 stop12h 16m

$177

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 11/18

6:27 pm-9:58 am

1 stop15h 31m

Detroit Metropolitan Wayne County

Sat 11/22

9:53 pm-10:09 am

1 stop12h 16m

$192

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 11/17

9:54 am-11:58 pm

1 stop14h 04m

Detroit Metropolitan Wayne County

Tue 11/18

10:42 am-10:37 am

2 stops23h 55m

$211

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 11/18

6:27 pm-9:58 am

1 stop15h 31m

Detroit Metropolitan Wayne County

Thu 11/20

10:48 am-10:37 am

2 stops23h 49m

$215

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 11/18

6:27 pm-9:58 am

1 stop15h 31m

Detroit Metropolitan Wayne County

Thu 11/20

10:21 am-10:37 am

1 stop24h 16m

$227

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 11/17

9:54 am-11:58 pm

1 stop14h 04m

Detroit Metropolitan Wayne County

Tue 11/18

10:45 am-10:37 am

1 stop23h 52m

$230

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 12/18

12:20 pm-7:38 pm

1 stop7h 18m

Detroit Metropolitan Wayne County

Sun 12/21

10:55 am-7:40 pm

1 stop8h 45m

$426

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 11/17

12:55 pm-10:40 pm

2 stops9h 45m

Detroit Metropolitan Wayne County

Tue 11/18

1:15 pm-10:05 pm

2 stops8h 50m

$457

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 11/14

5:30 pm-11:40 pm

2 stops6h 10m

Detroit Metropolitan Wayne County

Sun 11/16

12:50 pm-11:50 pm

2 stops11h 00m

$583

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 11/26

11:03 am-6:08 pm

1 stop7h 05m

Detroit Metropolitan Wayne County

Sun 11/30

11:26 am-7:30 pm

1 stop8h 04m

$930

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Detroit

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Detroit?

On average, the least expensive day to fly to Detroit from Islip, New York is on a Thursday. momondo users have found tickets for Thursday departures for as low as $271. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Islip, New York to Detroit for around $344.

What is the cheapest time of day to depart on your flight to Detroit?

In the evening is the cheapest time of day to fly from Islip, New York to Detroit when you can find flight prices for as low as $224. Flying to Detroit in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $297 on average. Flights to Detroit from Islip, New York in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Islip, New York to Detroit

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Detroit according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip, New York to Detroit (ISP to DTT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Detroit

Direct flights	None

There are no direct flights from Islip, New York to Detroit. There are no popular flight routes from Islip, New York to Detroit.

Search flight deals

How far is Islip Long Island to Detroit by plane?
Detroit is 520.3 mi away from Islip Long Island. Flights usually cover this in 6h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Islip Long Island Airport to Detroit?
Prices for flights from Islip Long Island Airport to Detroit refresh daily.
How old do you have to be to fly from Islip Long Island Airport to Detroit?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The necessary travel and health documents for your Detroit trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Port Huron

Roseville

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Detroit?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Detroit. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to Detroit with flexible booking policies on momondo?

momondo does allow users to show only those flights to Detroit from Islip which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Islip to Detroit?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to Detroit.

I’m not ready to book a flight from Islip to Detroit right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Detroit from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.