$114+ Cheap flights from Detroit Metropolitan Wayne County Airport to Islip, NY (DTW - ISP)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ISP
Apr 16 — Apr 231
Round-trip
1 adult, Economy
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Find cheap flights from Detroit to Islip with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Detroit to IslipExplore the most affordable flight options available from Detroit to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
Explore the most affordable flight options available from Detroit to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:05 pm
DTW
- ISP
2 stops14h 28m
Multiple Airlines
Wed 4/2211:50 am
ISP
- DTW
1 stop24h 59m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:15 am
DTW
- ISP
2 stops26h 55m
Multiple Airlines
Tue 3/2411:59 am
ISP
- DTW
1 stop11h 30m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:40 pm
DTW
- ISP
2 stops9h 30m
Southwest
Wed 4/2212:30 pm
ISP
- DTW
2 stops7h 45m
Southwest
Deal found 3/16![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:35 pm
DTW
- ISP
1 stop4h 50m
Southwest
Sun 4/196:05 am
ISP
- DTW
1 stop5h 55m
Southwest
Deal found 3/16![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:30 am
DTW
- ISP
1 stop4h 10m
Southwest
Sun 8/166:20 am
ISP
- DTW
1 stop6h 15m
Southwest
Deal found 3/15![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:35 pm
DTW
- ISP
1 stop4h 50m
Southwest
Mon 5/258:35 am
ISP
- DTW
1 stop3h 45m
Southwest
Deal found 3/15![Southwest logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:45 am
DTW
- ISP
1 stop11h 14m
Multiple Airlines
Sun 4/57:26 pm
ISP
- DTW
2 stops37h 57m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$451
Best flights from Detroit to IslipDiscover carefully curated flight deals from Detroit to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
Discover carefully curated flight deals from Detroit to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 17, 2026.
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:35 pm
DTW
- ISP
1 stop4h 50m
Southwest
Mon 5/256:00 am
ISP
- DTW
2 stops8h 20m
Southwest
Deal found 3/15![Southwest logo]()
$392
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/279:02 am
DTW
- ISP
2 stops24h 46m
Multiple Airlines
Mon 3/307:20 pm
ISP
- DTW
1 stop28h 09m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$531
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:49 pm
DTW
- ISP
1 stop6h 37m
Frontier
Tue 4/78:00 am
ISP
- DTW
1 stop9h 52m
Frontier
Deal found 3/17![Frontier logo]()
$544
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:40 am
DTW
- ISP
2 stops7h 50m
Southwest
Sun 4/195:25 pm
ISP
- DTW
1 stop6h 45m
Southwest
Deal found 3/16![Southwest logo]()
$392
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:30 am
DTW
- ISP
1 stop4h 10m
Southwest
Sun 8/166:20 am
ISP
- DTW
1 stop6h 15m
Southwest
Deal found 3/15![Southwest logo]()
$397
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:08 pm
DTW
- ISP
1 stop6h 51m
Frontier
Tue 4/78:00 am
ISP
- DTW
1 stop9h 52m
Frontier
Deal found 3/17![Frontier logo]()
$609
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/295:31 pm
DTW
- ISP
1 stop19h 02m
Multiple Airlines
Thu 4/28:36 pm
ISP
- DTW
1 stop12h 08m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$672
This Frontier deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:40 pm
DTW
- ISP
1 stop8h 41m
Frontier
Fri 4/36:00 am
ISP
- DTW
1 stop9h 13m
Frontier
Deal found 3/15![Frontier logo]()
$710
This Frontier deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:08 pm
DTW
- ISP
1 stop6h 51m
Frontier
Fri 4/311:51 am
ISP
- DTW
1 stop6h 53m
Frontier
Deal found 3/17![Frontier logo]()
$759
Last-minute flights from Detroit to IslipDiscover last-minute flight deals from Detroit to Islip. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Islip. Data last updated March 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:15 am
DTW
- ISP
2 stops26h 55m
Multiple Airlines
Tue 3/2411:59 am
ISP
- DTW
1 stop11h 30m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:05 am
DTW
- ISP
1 stop7h 28m
Multiple Airlines
Fri 4/36:40 pm
ISP
- DTW
2 stops16h 32m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/314:40 pm
DTW
- ISP
1 stop8h 41m
Multiple Airlines
Sun 4/57:59 pm
ISP
- DTW
2 stops36h 03m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:45 am
DTW
- ISP
1 stop11h 14m
Multiple Airlines
Sun 4/57:26 pm
ISP
- DTW
2 stops37h 57m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$451
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/33:59 pm
DTW
- ISP
1 stop8h 24m
Multiple Airlines
Sun 4/57:26 pm
ISP
- DTW
2 stops37h 57m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$467
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:05 pm
DTW
- ISP
2 stops14h 28m
Multiple Airlines
Wed 4/2211:50 am
ISP
- DTW
1 stop24h 59m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$204
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:40 pm
DTW
- ISP
2 stops9h 30m
Southwest
Wed 4/2212:30 pm
ISP
- DTW
2 stops7h 45m
Southwest
Deal found 3/16![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:35 pm
DTW
- ISP
1 stop4h 50m
Southwest
Sun 4/196:05 am
ISP
- DTW
1 stop5h 55m
Southwest
Deal found 3/16![Southwest logo]()
$387
One-way flights from Detroit to IslipSearch for one-way flight options from Detroit to Islip. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
Search for one-way flight options from Detroit to Islip. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:49 pm
DTW
- ISP
1 stop6h 37m
Frontier
Deal found 3/17![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/412:10 pm
DTW
- ISP
1 stop6h 29m
Frontier
Deal found 3/16![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:09 am
DTW
- ISP
1 stop27h 22m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:15 am
DTW
- ISP
2 stops18h 11m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:35 am
DTW
- ISP
1 stop6h 15m
Southwest
Deal found 3/17![Southwest logo]()
$194
This Mytrip deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:10 pm
DTW
- ISP
1 stop21h 26m
Frontier
Deal found 3/15![Frontier logo]()
$201
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:09 am
DTW
- ISP
2 stops23h 04m
Frontier
Deal found 3/17![Frontier logo]()
$218
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:00 am
DTW
- ISP
2 stops9h 45m
Southwest
Deal found 3/15![Southwest logo]()
$291
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:48 am
DTW
- ISP
1 stop7h 01m
Frontier
Deal found 3/16![Frontier logo]()
$529
Find flight deals from Detroit to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $204 (Kiwi.com) |
One-way from | $114 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $156 |
Cheapflights Fare Finder
Customize your flight search to find flights from Detroit to Islip 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, Cheapflights users made 2,558,603 searches. Data last updated March 17, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 5/22
3:35 pm-8:25 pm
1 stop4h 50m
Islip Long Island
Mon 5/25
6:00 am-2:20 pm
2 stops8h 20m
$392
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 4/17
8:40 am-4:30 pm
2 stops7h 50m
Islip Long Island
Sun 4/19
5:25 pm-12:10 am
1 stop6h 45m
$392
Quickest round-trip
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 8/14
5:30 am-9:40 am
1 stop4h 10m
Islip Long Island
Sun 8/16
6:20 am-12:35 pm
1 stop6h 15m
$397
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 3/27
9:02 am-9:48 am
2 stops24h 46m
Islip Long Island
Mon 3/30
7:20 pm-11:29 pm
1 stop28h 09m
$531
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Thu 4/2
6:49 pm-1:26 am
1 stop6h 37m
Islip Long Island
Tue 4/7
8:00 am-5:52 pm
1 stop9h 52m
$544
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Wed 4/1
1:08 pm-7:59 pm
1 stop6h 51m
Islip Long Island
Tue 4/7
8:00 am-5:52 pm
1 stop9h 52m
$609
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Sun 3/29
5:31 pm-12:33 pm
1 stop19h 02m
Islip Long Island
Thu 4/2
8:36 pm-8:44 am
1 stop12h 08m
$672
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Tue 3/31
4:40 pm-1:21 am
1 stop8h 41m
Islip Long Island
Fri 4/3
6:00 am-3:13 pm
1 stop9h 13m
$710
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Wed 4/1
1:08 pm-7:59 pm
1 stop6h 51m
Islip Long Island
Fri 4/3
11:51 am-6:44 pm
1 stop6h 53m
$759
Cheapest one-way
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Sun 4/5
6:59 pm-1:38 am
1 stop6h 39m
$125
Showing 1-10 of 16 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit Metropolitan Wayne County Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit Metropolitan Wayne County Airport-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit Metropolitan Wayne County Airport-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Detroit to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Detroit with our price prediction graph.
DTW-ISP
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to Islip
Related info for your journey
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