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 according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 5 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.

$105 Cheap Flights from Islip to Detroit (ISP-DTT) in 2025

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Find the cheapest flights from Islip to Detroit (ISP-DTT)

Round-trip

One-way

Last minute

Cheap round-trip flights

11:45 am - 10:40 pmISP-DTW

10h 55m1 stop

7:35 pm - 10:40 amDTW-ISP

15h 05m1 stop

$190

Find Deal

jue., sep. 4 - lun., sep. 8

5:05 pm - 8:40 amISP-DTW

15h 35m1 stop

9:12 am - 10:40 amDTW-ISP

25h 28m2 stops

$200

Find Deal

vie., sep. 5 - mar., sep. 9

5:05 pm - 8:40 amISP-DTW

15h 35m1 stop

7:35 pm - 10:40 amDTW-ISP

15h 05m1 stop

$226

Find Deal

vie., sep. 5 - mar., sep. 9

11:25 am - 10:40 pmISP-DTW

11h 15m1 stop

9:19 pm - 10:55 amDTW-ISP

37h 36m2 stops

$228

Find Deal

mar., sep. 16 - mar., sep. 23

11:25 am - 2:07 pmISP-DTW

26h 42m2 stops

2:52 pm - 10:55 amDTW-ISP

44h 03m2 stops

$248Frontier

Find Deal

mar., sep. 16 - mar., sep. 23

5:40 am - 12:25 pmISP-DTW

6h 45m1 stop

3:45 pm - 10:05 pmDTW-ISP

6h 20m1 stop

$266Southwest

Find Deal

lun., nov. 3 - mar., nov. 4

3:55 pm - 10:35 pmISP-DTW

6h 40m1 stop

6:10 am - 3:20 pmDTW-ISP

9h 10m2 stops

$271Southwest

Find Deal

lun., nov. 3 - mar., nov. 4

12:55 pm - 10:40 pmISP-DTW

9h 45m2 stops

7:00 am - 3:20 pmDTW-ISP

8h 20m2 stops

$276Southwest

Find Deal

lun., nov. 3 - mar., nov. 4

11:25 am - 8:44 amISP-DTW

21h 19m1 stop

2:52 pm - 10:55 amDTW-ISP

44h 03m2 stops

$339Frontier

Find Deal

jue., sep. 11 - mar., sep. 16

9:37 pm - 4:03 pmISP-DTW

18h 26m2 stops

1:29 pm - 8:52 pmDTW-ISP

7h 23m1 stop

$358Frontier

Find Deal

jue., oct. 9 - dom., oct. 12

Frontier flights from Islip to Detroit

Our best Frontier deals on Islip to Detroit flight tickets

Frontier

Aug 28

ISP7:33 pmIslip Long Island

13h 14m

1 stop

DTW8:47 amDetroit Metropolitan Wayne County

Aug 31

DTW2:46 pmDetroit Metropolitan Wayne County

9h 13m

1 stop

ISP11:59 pmIslip Long Island

$218

Find similar

Frontier

Sep 16

ISP11:25 amIslip Long Island

26h 42m

2 stops

DTW2:07 pmDetroit Metropolitan Wayne County

Sep 23

DTW2:52 pmDetroit Metropolitan Wayne County

44h 03m

2 stops

ISP10:55 amIslip Long Island

$248

Find similar

Frontier

Aug 29

ISP9:58 amIslip Long Island

24h 47m

1 stop

DTW10:45 amDetroit Metropolitan Wayne County

Aug 31

DTW2:46 pmDetroit Metropolitan Wayne County

9h 13m

1 stop

ISP11:59 pmIslip Long Island

$255

Find similar

Southwest flights from Islip to Detroit

Our best Southwest deals on Islip to Detroit flight tickets

Southwest

Nov 3

ISP5:40 amIslip Long Island

6h 45m

1 stop

DTW12:25 pmDetroit Metropolitan Wayne County

Nov 4

DTW3:45 pmDetroit Metropolitan Wayne County

6h 20m

1 stop

ISP10:05 pmIslip Long Island

$266

Find similar

Southwest

Nov 3

ISP3:55 pmIslip Long Island

6h 40m

1 stop

DTW10:35 pmDetroit Metropolitan Wayne County

Nov 4

DTW6:10 amDetroit Metropolitan Wayne County

9h 10m

2 stops

ISP3:20 pmIslip Long Island

$271

Find similar

Southwest

Nov 3

ISP12:55 pmIslip Long Island

9h 45m

2 stops

DTW10:40 pmDetroit Metropolitan Wayne County

Nov 4

DTW7:00 amDetroit Metropolitan Wayne County

8h 20m

2 stops

ISP3:20 pmIslip Long Island

$276

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

jue. 9/4

11:45 am-10:40 pm

1 stop10h 55m

Detroit Metropolitan Wayne County

lun. 9/8

7:35 pm-10:40 am

1 stop15h 05m

$190

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

vie. 9/5

5:05 pm-8:40 am

1 stop15h 35m

Detroit Metropolitan Wayne County

mar. 9/9

9:12 am-10:40 am

2 stops25h 28m

$200

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

vie. 9/5

5:05 pm-8:40 am

1 stop15h 35m

Detroit Metropolitan Wayne County

mar. 9/9

7:35 pm-10:40 am

1 stop15h 05m

$226

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

mar. 9/16

11:25 am-10:40 pm

1 stop11h 15m

Detroit Metropolitan Wayne County

mar. 9/23

9:19 pm-10:55 am

2 stops37h 36m

$228

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

mar. 9/16

11:25 am-2:07 pm

2 stops26h 42m

Detroit Metropolitan Wayne County

mar. 9/23

2:52 pm-10:55 am

2 stops44h 03m

$248

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

lun. 11/3

5:40 am-12:25 pm

1 stop6h 45m

Detroit Metropolitan Wayne County

mar. 11/4

3:45 pm-10:05 pm

1 stop6h 20m

$266

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

lun. 11/3

3:55 pm-10:35 pm

1 stop6h 40m

Detroit Metropolitan Wayne County

mar. 11/4

6:10 am-3:20 pm

2 stops9h 10m

$271

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

lun. 11/3

12:55 pm-10:40 pm

2 stops9h 45m

Detroit Metropolitan Wayne County

mar. 11/4

7:00 am-3:20 pm

2 stops8h 20m

$276

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

jue. 9/11

11:25 am-8:44 am

1 stop21h 19m

Detroit Metropolitan Wayne County

mar. 9/16

2:52 pm-10:55 am

2 stops44h 03m

$339

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

jue. 10/9

9:37 pm-4:03 pm

2 stops18h 26m

Detroit Metropolitan Wayne County

dom. 10/12

1:29 pm-8:52 pm

1 stop7h 23m

$358

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip 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 is on a Thursday. momondo users have found tickets for Thursday departures for as low as $276. 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 to Detroit for around $354.

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 to Detroit when you can find flight prices for as low as $230. 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 $304 on average. Flights to Detroit from Islip in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Islip to Detroit

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

Estimated round-trip price

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

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

Direct flights	None

There are no direct flights from Islip to Detroit. There are no popular flight routes from Islip 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 15m, 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.