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Cheap flights from Detroit to New York from $121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to New York departing on 7/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Detroit to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:44 pm - 7:03 pm
DTW
-
ISP
24h 19m
1 stop
Frontier Logo
10:48 am - 6:20 pm
ISP
-
DTW
7h 32m
1 stop
$249Frontier
Thu, Jul 23 - Fri, Jul 31
Frontier Logo
12:37 pm - 9:58 am
DTW
-
ISP
21h 21m
1 stop
Frontier Logo
10:48 am - 6:20 pm
ISP
-
DTW
7h 32m
1 stop
$270Frontier
Fri, Jul 31 - Fri, Aug 14
Frontier Logo
12:30 pm - 8:57 pm
DTW
-
ISP
8h 27m
1 stop
Frontier Logo
9:52 pm - 10:14 am
ISP
-
DTW
12h 22m
1 stop
$279Frontier
Thu, Jun 25 - Fri, Jun 26
Frontier Logo
7:25 pm - 9:33 am
DTW
-
ISP
14h 08m
1 stop
Frontier Logo
4:13 pm - 11:54 am
ISP
-
DTW
19h 41m
1 stop
$282Frontier
Thu, Sep 17 - Sun, Sep 20
Frontier Logo
7:25 pm - 9:58 am
DTW
-
ISP
14h 33m
1 stop
Frontier Logo
10:48 am - 6:20 pm
ISP
-
DTW
7h 32m
1 stop
$300Frontier
Fri, Jul 10 - Mon, Jul 13
Frontier Logo
8:52 pm - 10:15 am
DTW
-
ISP
13h 23m
1 stop
Frontier Logo
11:00 am - 6:32 pm
ISP
-
DTW
7h 32m
1 stop
$310Frontier
Fri, Jun 5 - Sun, Jun 7
Frontier Logo
7:29 pm - 7:05 pm
DTW
-
ISP
23h 36m
1 stop
Frontier Logo
7:50 pm - 6:43 pm
ISP
-
DTW
22h 53m
1 stop
$313Frontier
Thu, Jun 18 - Mon, Jun 22
Frontier Logo
7:25 pm - 9:58 am
DTW
-
ISP
14h 33m
1 stop
Frontier Logo
10:48 am - 6:20 pm
ISP
-
DTW
7h 32m
1 stop
$320Frontier
Fri, Jul 10 - Mon, Jul 13
Frontier Logo
1:01 pm - 9:33 am
DTW
-
ISP
20h 32m
1 stop
Frontier Logo
4:13 pm - 11:54 am
ISP
-
DTW
19h 41m
1 stop
$325Frontier
Thu, Oct 1 - Sun, Oct 4
Southwest Logo
3:50 pm - 10:35 pm
DTW
-
ISP
6h 45m
1 stop
Southwest Logo
4:40 pm - 10:50 pm
ISP
-
DTW
6h 10m
1 stop
$331Southwest
Wed, Jun 17 - Wed, Jun 24

Frontier flights from Detroit to Islip, New York

Our best Frontier deals on Detroit to Islip, New York flight tickets
Frontier
Jul 23
DTW6:44 pmDetroit Metropolitan Wayne County
24h 19m
1 stop
ISP7:03 pmIslip Long Island
Jul 31
ISP10:48 amIslip Long Island
7h 32m
1 stop
DTW6:20 pmDetroit Metropolitan Wayne County
$249
Frontier
Jul 31
DTW12:37 pmDetroit Metropolitan Wayne County
21h 21m
1 stop
ISP9:58 amIslip Long Island
Aug 14
ISP10:48 amIslip Long Island
7h 32m
1 stop
DTW6:20 pmDetroit Metropolitan Wayne County
$270
Frontier
Jun 25
DTW12:30 pmDetroit Metropolitan Wayne County
8h 27m
1 stop
ISP8:57 pmIslip Long Island
Jun 26
ISP9:52 pmIslip Long Island
12h 22m
1 stop
DTW10:14 amDetroit Metropolitan Wayne County
$279

Southwest flights from Detroit to Islip, New York

Our best Southwest deals on Detroit to Islip, New York flight tickets
Southwest
Jun 17
DTW3:50 pmDetroit Metropolitan Wayne County
6h 45m
1 stop
ISP10:35 pmIslip Long Island
Jun 24
ISP4:40 pmIslip Long Island
6h 10m
1 stop
DTW10:50 pmDetroit Metropolitan Wayne County
$331
Southwest
Jun 23
DTW1:25 pmDetroit Metropolitan Wayne County
9h 10m
2 stops
ISP10:35 pmIslip Long Island
Jun 24
ISP4:40 pmIslip Long Island
6h 10m
1 stop
DTW10:50 pmDetroit Metropolitan Wayne County
$336
Southwest
May 27
DTW1:20 pmDetroit Metropolitan Wayne County
5h 10m
1 stop
ISP6:30 pmIslip Long Island
Jun 27
ISP12:15 pmIslip Long Island
4h 20m
1 stop
DTW4:35 pmDetroit Metropolitan Wayne County
$359

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to Islip, New York 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, momondo users made 832,500 searches. Data last updated May 21, 2026.
Use the filters below to find and compare flights from Detroit to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 7/23

6:44 pm-7:03 pm

1 stop24h 19m

Islip Long Island

Fri 7/31

10:48 am-6:20 pm

1 stop7h 32m

$249

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 7/31

12:37 pm-9:58 am

1 stop21h 21m

Islip Long Island

Fri 8/14

10:48 am-6:20 pm

1 stop7h 32m

$270

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 6/25

12:30 pm-8:57 pm

1 stop8h 27m

Islip Long Island

Fri 6/26

9:52 pm-10:14 am

1 stop12h 22m

$279

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 9/17

7:25 pm-9:33 am

1 stop14h 08m

Islip Long Island

Sun 9/20

4:13 pm-11:54 am

1 stop19h 41m

$282

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 7/10

7:25 pm-9:58 am

1 stop14h 33m

Islip Long Island

Mon 7/13

10:48 am-6:20 pm

1 stop7h 32m

$300

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 6/5

8:52 pm-10:15 am

1 stop13h 23m

Islip Long Island

Sun 6/7

11:00 am-6:32 pm

1 stop7h 32m

$310

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 6/18

7:29 pm-7:05 pm

1 stop23h 36m

Islip Long Island

Mon 6/22

7:50 pm-6:43 pm

1 stop22h 53m

$313

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 7/10

7:25 pm-9:58 am

1 stop14h 33m

Islip Long Island

Mon 7/13

10:48 am-6:20 pm

1 stop7h 32m

$320

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 10/1

1:01 pm-9:33 am

1 stop20h 32m

Islip Long Island

Sun 10/4

4:13 pm-11:54 am

1 stop19h 41m

$325
Quickest round-trip

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Wed 6/17

3:50 pm-10:35 pm

1 stop6h 45m

Islip Long Island

Wed 6/24

4:40 pm-10:50 pm

1 stop6h 10m

$331

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Detroit to Islip, New York

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

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

Frontier and Southwest are the most popular carriers operating from Detroit to Islip Long Island

What airlines fly to Islip, New York?

Spirit Airlines, Delta and United Airlines are the top three most popular airlines that fly to Islip, New York from Detroit according to our data. Spirit Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 6 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Detroit to Islip, New York

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

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

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

Fastest flight time

3h 35m

Direct flights

None
The fastest flight from Detroit to Islip, New York takes 3h 35m
There are no direct flights from Detroit to Islip, New York. There are no popular flight routes from Detroit to Islip, New York.
Search flight deals

Frequently asked questions about flying from Detroit to Islip, New York

  • How far is Detroit to Islip Long Island by plane?

    The straight-line distance from Detroit to Islip Long Island is 520.3 mi. By plane, this route typically takes 3h 35m.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Sag Harbor
Southampton
Amagansett

Why use momondo?

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

Finding the right flight to Islip from Detroit is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Islip from Detroit with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from Detroit.

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

Of course. momondo tracks the price of Detroit to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Islip, New York trip

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