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Cheap flights from Detroit to New York from $111

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 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Detroit to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:13 pm - 9:53 am
DTW
-
ISP
13h 40m
1 stop
Frontier Logo
7:46 pm - 5:49 pm
ISP
-
DTW
22h 03m
1 stop
$241Frontier
Sun, Aug 9 - Wed, Aug 12
Frontier Logo
1:01 pm - 3:03 pm
DTW
-
ISP
26h 02m
1 stop
Frontier Logo
4:13 pm - 12:04 pm
ISP
-
DTW
19h 51m
1 stop
$248Frontier
Mon, Oct 12 - Thu, Oct 15
Frontier Logo
8:30 pm - 9:53 am
DTW
-
ISP
13h 23m
1 stop
Frontier Logo
10:43 am - 6:36 pm
ISP
-
DTW
7h 53m
1 stop
$259Frontier
Tue, Jul 28 - Sat, Aug 1
Frontier Logo
9:49 am - 9:53 am
DTW
-
ISP
24h 04m
1 stop
Frontier Logo
10:57 am - 8:54 am
ISP
-
DTW
21h 57m
1 stop
$260Frontier
Thu, Aug 27 - Mon, Aug 31
Frontier Logo
6:47 pm - 9:53 am
DTW
-
ISP
15h 06m
1 stop
Frontier Logo
7:46 pm - 5:55 pm
ISP
-
DTW
22h 09m
1 stop
$268Frontier
Fri, Jul 24 - Mon, Jul 27
Frontier Logo
9:49 am - 6:14 pm
DTW
-
ISP
8h 25m
1 stop
Frontier Logo
7:46 pm - 6:03 pm
ISP
-
DTW
22h 17m
1 stop
$280Frontier
Sat, Aug 22 - Sun, Aug 23
Frontier Logo
8:54 pm - 9:33 am
DTW
-
ISP
12h 39m
1 stop
Frontier Logo
8:55 pm - 9:47 am
ISP
-
DTW
12h 52m
1 stop
$285Frontier
Wed, Oct 21 - Sun, Oct 25
Frontier Logo
8:30 pm - 9:53 am
DTW
-
ISP
13h 23m
1 stop
Frontier Logo
10:43 am - 6:36 pm
ISP
-
DTW
7h 53m
1 stop
$308Frontier
Tue, Jul 21 - Sat, Jul 25
Multiple Airlines Logo
5:21 pm - 9:53 am
DTW
-
ISP
16h 32m
1 stop
Multiple Airlines Logo
8:43 pm - 8:54 am
ISP
-
DTW
36h 11m
2 stops
$310Multiple Airlines
Wed, Aug 19 - Mon, Aug 24
Multiple Airlines Logo
9:49 am - 6:14 pm
DTW
-
ISP
8h 25m
1 stop
Multiple Airlines Logo
1:00 pm - 5:22 pm
ISP
-
DTW
28h 22m
2 stops
$311Multiple Airlines
Thu, Aug 27 - Mon, Aug 31

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Frontier flights from Detroit to Islip, New York

Our best Frontier deals on Detroit to Islip, New York flight tickets
Frontier
Aug 9
DTW8:13 pmDetroit Metropolitan Wayne County
13h 40m
1 stop
ISP9:53 amIslip Long Island
Aug 12
ISP7:46 pmIslip Long Island
22h 03m
1 stop
DTW5:49 pmDetroit Metropolitan Wayne County
$241
Frontier
Oct 12
DTW1:01 pmDetroit Metropolitan Wayne County
26h 02m
1 stop
ISP3:03 pmIslip Long Island
Oct 15
ISP4:13 pmIslip Long Island
19h 51m
1 stop
DTW12:04 pmDetroit Metropolitan Wayne County
$248
Frontier
Jul 28
DTW8:30 pmDetroit Metropolitan Wayne County
13h 23m
1 stop
ISP9:53 amIslip Long Island
Aug 1
ISP10:43 amIslip Long Island
7h 53m
1 stop
DTW6:36 pmDetroit Metropolitan Wayne County
$259

Southwest flights from Detroit to Islip, New York

Our best Southwest deals on Detroit to Islip, New York flight tickets
Southwest
Aug 19
DTW12:55 pmDetroit Metropolitan Wayne County
8h 10m
2 stops
ISP9:05 pmIslip Long Island
Aug 24
ISP6:10 amIslip Long Island
9h 00m
2 stops
DTW3:10 pmDetroit Metropolitan Wayne County
$397
Southwest
Oct 12
DTW5:25 amDetroit Metropolitan Wayne County
9h 05m
1 stop
ISP2:30 pmIslip Long Island
Oct 15
ISP11:00 amIslip Long Island
8h 45m
2 stops
DTW7:45 pmDetroit Metropolitan Wayne County
$398
Southwest
Aug 22
DTW6:00 amDetroit Metropolitan Wayne County
8h 30m
2 stops
ISP2:30 pmIslip Long Island
Aug 23
ISP12:45 pmIslip Long Island
6h 25m
1 stop
DTW7:10 pmDetroit Metropolitan Wayne County
$412

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 July 7, 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

Sun 8/9

8:13 pm-9:53 am

1 stop13h 40m

Islip Long Island

Wed 8/12

7:46 pm-5:49 pm

1 stop22h 03m

$241

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Mon 10/12

1:01 pm-3:03 pm

1 stop26h 02m

Islip Long Island

Thu 10/15

4:13 pm-12:04 pm

1 stop19h 51m

$248
Quickest round-trip

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Tue 7/28

8:30 pm-9:53 am

1 stop13h 23m

Islip Long Island

Sat 8/1

10:43 am-6:36 pm

1 stop7h 53m

$259

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 8/27

9:49 am-9:53 am

1 stop24h 04m

Islip Long Island

Mon 8/31

10:57 am-8:54 am

1 stop21h 57m

$260

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Fri 7/24

6:47 pm-9:53 am

1 stop15h 06m

Islip Long Island

Mon 7/27

7:46 pm-5:55 pm

1 stop22h 09m

$268

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Sat 8/22

9:49 am-6:14 pm

1 stop8h 25m

Islip Long Island

Sun 8/23

7:46 pm-6:03 pm

1 stop22h 17m

$280

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Wed 10/21

8:54 pm-9:33 am

1 stop12h 39m

Islip Long Island

Sun 10/25

8:55 pm-9:47 am

1 stop12h 52m

$285

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Tue 7/21

8:30 pm-9:53 am

1 stop13h 23m

Islip Long Island

Sat 7/25

10:43 am-6:36 pm

1 stop7h 53m

$308

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Wed 8/19

5:21 pm-9:53 am

1 stop16h 32m

Islip Long Island

Mon 8/24

8:43 pm-8:54 am

2 stops36h 11m

$310

DetroitIslip

DTW - ISP

DTWISP

Detroit Metropolitan Wayne County

Thu 8/27

9:49 am-6:14 pm

1 stop8h 25m

Islip Long Island

Mon 8/31

1:00 pm-5:22 pm

2 stops28h 22m

$311

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

What airlines fly to Islip, New York?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Islip, New York from Detroit according to our data. Delta is the first choice among our users, with 48% 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

6h 15m

Direct flights

None
The fastest flight from Detroit to Islip, New York takes 6h 15m
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 6h 15m.

  • 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
Southampton
Sag Harbor
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.

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