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Cheap flights from Islip to Detroit from $105

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 to Detroit departing on 8/30. 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 to Detroit (ISP-DTW)

Cheap round-trip flights

Logo
11:45 am - 10:40 pmISP-DTW
10h 55m1 stop
Logo
7:35 pm - 10:40 amDTW-ISP
15h 05m1 stop
$190
Find Deal
Thu, Sep 4 - Mon, Sep 8
Logo
5:05 pm - 8:40 amISP-DTW
15h 35m1 stop
Logo
9:12 am - 10:40 amDTW-ISP
25h 28m2 stops
$200
Find Deal
Fri, Sep 5 - Tue, Sep 9
Logo
5:05 pm - 8:40 amISP-DTW
15h 35m1 stop
Logo
7:35 pm - 10:40 amDTW-ISP
15h 05m1 stop
$226
Find Deal
Fri, Sep 5 - Tue, Sep 9
Logo
11:25 am - 10:40 pmISP-DTW
11h 15m1 stop
Logo
9:19 pm - 10:55 amDTW-ISP
37h 36m2 stops
$228
Find Deal
Tue, Sep 16 - Tue, Sep 23
Frontier Logo
11:25 am - 2:07 pmISP-DTW
26h 42m2 stops
Frontier Logo
2:52 pm - 10:55 amDTW-ISP
44h 03m2 stops
$248Frontier
Find Deal
Tue, Sep 16 - Tue, Sep 23
Southwest Logo
5:40 am - 12:25 pmISP-DTW
6h 45m1 stop
Southwest Logo
3:45 pm - 10:05 pmDTW-ISP
6h 20m1 stop
$266Southwest
Find Deal
Mon, Nov 3 - Tue, Nov 4
Southwest Logo
3:55 pm - 10:35 pmISP-DTW
6h 40m1 stop
Southwest Logo
6:10 am - 3:20 pmDTW-ISP
9h 10m2 stops
$271Southwest
Find Deal
Mon, Nov 3 - Tue, Nov 4
Southwest Logo
12:55 pm - 10:40 pmISP-DTW
9h 45m2 stops
Southwest Logo
7:00 am - 3:20 pmDTW-ISP
8h 20m2 stops
$276Southwest
Find Deal
Mon, Nov 3 - Tue, Nov 4
Frontier Logo
11:25 am - 8:44 amISP-DTW
21h 19m1 stop
Frontier Logo
2:52 pm - 10:55 amDTW-ISP
44h 03m2 stops
$339Frontier
Find Deal
Thu, Sep 11 - Tue, Sep 16
Frontier Logo
9:37 pm - 4:03 pmISP-DTW
18h 26m2 stops
Frontier Logo
1:29 pm - 8:52 pmDTW-ISP
7h 23m1 stop
$358Frontier
Find Deal
Thu, Oct 9 - Sun, Oct 12

Frontier flights from Islip to Detroit Metropolitan Wayne County Airport

Our best Frontier deals on Islip to Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport

Our best Southwest deals on Islip to Detroit Metropolitan Wayne County Airport 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

momondo Fare Finder

 
Customize your flight search to find flights from Islip 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 August 21, 2025.
Use the filters below to find and compare flights from Islip to Detroit Metropolitan Wayne County Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 9/4

11:45 am-10:40 pm

1 stop10h 55m

Detroit Metropolitan Wayne County

Mon 9/8

7:35 pm-10:40 am

1 stop15h 05m

$190

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 9/5

5:05 pm-8:40 am

1 stop15h 35m

Detroit Metropolitan Wayne County

Tue 9/9

9:12 am-10:40 am

2 stops25h 28m

$200

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Fri 9/5

5:05 pm-8:40 am

1 stop15h 35m

Detroit Metropolitan Wayne County

Tue 9/9

7:35 pm-10:40 am

1 stop15h 05m

$226

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 9/16

11:25 am-10:40 pm

1 stop11h 15m

Detroit Metropolitan Wayne County

Tue 9/23

9:19 pm-10:55 am

2 stops37h 36m

$228

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Tue 9/16

11:25 am-2:07 pm

2 stops26h 42m

Detroit Metropolitan Wayne County

Tue 9/23

2:52 pm-10:55 am

2 stops44h 03m

$248

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 11/3

5:40 am-12:25 pm

1 stop6h 45m

Detroit Metropolitan Wayne County

Tue 11/4

3:45 pm-10:05 pm

1 stop6h 20m

$266

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 11/3

3:55 pm-10:35 pm

1 stop6h 40m

Detroit Metropolitan Wayne County

Tue 11/4

6:10 am-3:20 pm

2 stops9h 10m

$271

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Mon 11/3

12:55 pm-10:40 pm

2 stops9h 45m

Detroit Metropolitan Wayne County

Tue 11/4

7:00 am-3:20 pm

2 stops8h 20m

$276

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 9/11

11:25 am-8:44 am

1 stop21h 19m

Detroit Metropolitan Wayne County

Tue 9/16

2:52 pm-10:55 am

2 stops44h 03m

$339

IslipDetroit

ISP - DTW

ISPDTW

Islip Long Island

Thu 10/9

9:37 pm-4:03 pm

2 stops18h 26m

Detroit Metropolitan Wayne County

Sun 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
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See travel insights to Detroit from

How to get the cheapest flight ticket from Islip 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 to Detroit Metropolitan Wayne County Airport is on a Thursday when prices can be found for as low as $276. 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 $354.

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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as $230 when looking at flights departing in the evening. Flights to Detroit Metropolitan Wayne County Airport are more costly in the morning, with an average ticket price of $304. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Islip to Detroit Metropolitan Wayne County Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Islip 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 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 to Detroit Metropolitan Wayne County Airport

Direct flights

None
There are no direct flights from Islip to Detroit Metropolitan Wayne County Airport. There are no popular flight routes from Islip to Detroit Metropolitan Wayne County Airport.
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  • 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 6h 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
Warren
Monroe
Southfield
Troy
Dearborn
Novi
Livonia
Romulus
Port Huron
Port Clinton
Sterling Heights
Roseville
Brighton
Pontiac
Ypsilanti
Madison Heights
Belleville
Royal Oak

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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