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Cheap flights from Islip, New York to Detroit 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 Islip, New York to Detroit departing on 5/3. 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 Islip, New York to Detroit

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:12 am - 12:00 pm
ISP
-
DTW
24h 48m
1 stop
Frontier Logo
12:44 pm - 11:00 am
DTW
-
ISP
22h 16m
1 stop
$201Frontier
Thu, May 7 - Mon, May 11
Frontier Logo
11:00 am - 12:00 pm
ISP
-
DTW
25h 00m
1 stop
Frontier Logo
12:54 pm - 10:27 am
DTW
-
ISP
21h 33m
1 stop
$252Frontier
Sat, May 9 - Wed, May 13
Frontier Logo
4:41 pm - 11:47 am
ISP
-
DTW
19h 06m
1 stop
Frontier Logo
2:54 pm - 10:03 am
DTW
-
ISP
19h 09m
2 stops
$284Frontier
Tue, Jun 9 - Sat, Jun 13
Multiple Airlines Logo
4:41 pm - 11:47 am
ISP
-
DTW
19h 06m
1 stop
Multiple Airlines Logo
6:30 am - 10:03 am
DTW
-
ISP
27h 33m
2 stops
$297Multiple Airlines
Tue, Jun 9 - Fri, Jun 12
Frontier Logo
11:12 am - 12:00 pm
ISP
-
DTW
24h 48m
1 stop
Frontier Logo
12:55 pm - 11:00 am
DTW
-
ISP
22h 05m
2 stops
$298Frontier
Thu, May 7 - Mon, May 11
Multiple Airlines Logo
4:41 pm - 11:47 am
ISP
-
DTW
19h 06m
1 stop
Multiple Airlines Logo
8:12 pm - 10:03 am
DTW
-
ISP
13h 51m
1 stop
$320Multiple Airlines
Tue, Jun 9 - Fri, Jun 12
Multiple Airlines Logo
5:38 pm - 11:59 am
ISP
-
DTW
18h 21m
1 stop
Multiple Airlines Logo
8:12 pm - 10:05 am
DTW
-
ISP
13h 53m
1 stop
$331Multiple Airlines
Tue, May 12 - Thu, May 14
Multiple Airlines Logo
10:48 am - 11:15 pm
ISP
-
DTW
12h 27m
1 stop
Multiple Airlines Logo
5:40 pm - 4:47 pm
DTW
-
ISP
23h 07m
2 stops
$334Multiple Airlines
Wed, Jul 8 - Mon, Jul 13
Southwest Logo
12:25 pm - 10:25 pm
ISP
-
DTW
10h 00m
2 stops
Southwest Logo
6:35 am - 4:55 pm
DTW
-
ISP
10h 20m
2 stops
$350Southwest
Tue, Jun 9 - Sat, Jun 13
Multiple Airlines Logo
5:38 pm - 1:13 pm
ISP
-
DTW
19h 35m
2 stops
Multiple Airlines Logo
8:12 pm - 10:05 am
DTW
-
ISP
13h 53m
1 stop
$360Multiple Airlines
Tue, May 12 - Thu, May 14

Frontier flights from Islip, New York to Detroit Metropolitan Wayne County Airport

Our best Frontier deals on Islip, New York to Detroit Metropolitan Wayne County Airport flight tickets
Frontier
May 7
ISP11:12 amIslip Long Island
24h 48m
1 stop
DTW12:00 pmDetroit Metropolitan Wayne County
May 11
DTW12:44 pmDetroit Metropolitan Wayne County
22h 16m
1 stop
ISP11:00 amIslip Long Island
$201
Frontier
May 9
ISP11:00 amIslip Long Island
25h 00m
1 stop
DTW12:00 pmDetroit Metropolitan Wayne County
May 13
DTW12:54 pmDetroit Metropolitan Wayne County
21h 33m
1 stop
ISP10:27 amIslip Long Island
$252
Frontier
Jun 9
ISP4:41 pmIslip Long Island
19h 06m
1 stop
DTW11:47 amDetroit Metropolitan Wayne County
Jun 13
DTW2:54 pmDetroit Metropolitan Wayne County
19h 09m
2 stops
ISP10:03 amIslip Long Island
$284

Southwest flights from Islip, New York to Detroit Metropolitan Wayne County Airport

Our best Southwest deals on Islip, New York to Detroit Metropolitan Wayne County Airport flight tickets
Southwest
Jun 9
ISP12:25 pmIslip Long Island
10h 00m
2 stops
DTW10:25 pmDetroit Metropolitan Wayne County
Jun 13
DTW6:35 amDetroit Metropolitan Wayne County
10h 20m
2 stops
ISP4:55 pmIslip Long Island
$350
Southwest
May 19
ISP6:30 amIslip Long Island
5h 30m
1 stop
DTW12:00 pmDetroit Metropolitan Wayne County
May 22
DTW3:35 pmDetroit Metropolitan Wayne County
4h 50m
1 stop
ISP8:25 pmIslip Long Island
$366
Southwest
May 19
ISP12:30 pmIslip Long Island
7h 45m
2 stops
DTW8:15 pmDetroit Metropolitan Wayne County
May 22
DTW3:35 pmDetroit Metropolitan Wayne County
4h 50m
1 stop
ISP8:25 pmIslip Long Island
$371

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Detroit Metropolitan Wayne County Airport 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 April 25, 2026.
Use the filters below to find and compare flights from Islip, New York to Detroit Metropolitan Wayne County Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 5/7

11:12 am-12:00 pm

1 stop24h 48m

Detroit Metropolitan Wayne County

Mon 5/11

12:44 pm-11:00 am

1 stop22h 16m

$201

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Sat 5/9

11:00 am-12:00 pm

1 stop25h 00m

Detroit Metropolitan Wayne County

Wed 5/13

12:54 pm-10:27 am

1 stop21h 33m

$252

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 6/9

4:41 pm-11:47 am

1 stop19h 06m

Detroit Metropolitan Wayne County

Sat 6/13

2:54 pm-10:03 am

2 stops19h 09m

$284

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 6/9

4:41 pm-11:47 am

1 stop19h 06m

Detroit Metropolitan Wayne County

Fri 6/12

6:30 am-10:03 am

2 stops27h 33m

$297

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 5/7

11:12 am-12:00 pm

1 stop24h 48m

Detroit Metropolitan Wayne County

Mon 5/11

12:55 pm-11:00 am

2 stops22h 05m

$298

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 6/9

4:41 pm-11:47 am

1 stop19h 06m

Detroit Metropolitan Wayne County

Fri 6/12

8:12 pm-10:03 am

1 stop13h 51m

$320

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 5/12

5:38 pm-11:59 am

1 stop18h 21m

Detroit Metropolitan Wayne County

Thu 5/14

8:12 pm-10:05 am

1 stop13h 53m

$331

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Wed 7/8

10:48 am-11:15 pm

1 stop12h 27m

Detroit Metropolitan Wayne County

Mon 7/13

5:40 pm-4:47 pm

2 stops23h 07m

$334
Quickest round-trip

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 6/9

12:25 pm-10:25 pm

2 stops10h 00m

Detroit Metropolitan Wayne County

Sat 6/13

6:35 am-4:55 pm

2 stops10h 20m

$350

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 5/12

5:38 pm-1:13 pm

2 stops19h 35m

Detroit Metropolitan Wayne County

Thu 5/14

8:12 pm-10:05 am

1 stop13h 53m

$360

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Detroit from

How to get the cheapest flight ticket from Islip, New York to Detroit Metropolitan Wayne County Airport

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 day to depart on your flight to Detroit Metropolitan Wayne County Airport?

The cheapest day to depart from Islip, New York to Detroit Metropolitan Wayne County Airport is on a Thursday when prices can be found for as low as $243. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Detroit Metropolitan Wayne County Airport on Sunday is $303.

What is the cheapest time of day to depart on your flight to Detroit Metropolitan Wayne County Airport?

Flying to Detroit Metropolitan Wayne County Airport from Islip, New York in the evening is the least expensive time of day to depart. momondo users have found prices as low as $206 when looking at flights departing in the evening. Flights to Detroit Metropolitan Wayne County Airport are more costly in the afternoon, with an average ticket price of $274. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Islip, New York to Detroit Metropolitan Wayne County Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport (ISP to DTW) flight deals and tips

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

Fastest flight time

4h 15m

Direct flights

None
The fastest flight from Islip, New York to Detroit Metropolitan Wayne County Airport takes 4h 15m
There are no direct flights from Islip, New York to Detroit Metropolitan Wayne County Airport. There are no popular flight routes from Islip, New York to Detroit Metropolitan Wayne County Airport.
Search flight deals

Frequently asked questions about flying from Islip, New York to Detroit Metropolitan Wayne County Airport

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

    Islip Long Island and Detroit Metropolitan Wayne County are 534.3 mi apart from one another. Typically, this will take 4h 15m by plane in normal conditions.

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

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

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

    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 Metropolitan Wayne County Airport.

  • What documentation or ID do you need to fly to Detroit Metropolitan Wayne County Airport?

    The necessary travel and health documents for your Detroit Metropolitan Wayne County Airport 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.

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Put-in-Bay
Auburn Hills
Dearborn
Warren
Romulus
Troy
Monroe
Southfield
Livonia
Novi
Port Clinton
Roseville
Sterling Heights
Port Huron
Dundee
Brighton
Ypsilanti
Pontiac
Utica
Farmington Hills

Why use momondo?

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

Finding the right flight to Detroit from Islip 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 Detroit quick and easy, saving you time and money.

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

All flight searches from Islip to Detroit on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Detroit from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Detroit from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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