$178+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ISP
Jun 11 — Jun 181
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Detroit to Islip
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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 May 12, 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 May 12, 2026.
This Booking.com deal was found by Cheapflights users on 5/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:28 pm
DTW
- ISP
1 stop23h 37m
Frontier
Wed 6/109:52 pm
ISP
- DTW
1 stop13h 55m
Frontier
Deal found 5/8![Frontier logo]()
$201
This Booking.com deal was found by Cheapflights users on 5/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:57 am
DTW
- ISP
1 stop6h 54m
Frontier
Tue 11/173:43 pm
ISP
- DTW
1 stop26h 28m
Frontier
Deal found 5/8![Frontier logo]()
$262
This Southwest deal was found by Cheapflights users on 5/8. 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.
Tue 6/93:50 pm
DTW
- ISP
1 stop6h 45m
Southwest
Wed 6/108:55 am
ISP
- DTW
2 stops10h 35m
Southwest
Deal found 5/8![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 5/8. 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 6/103:50 pm
DTW
- ISP
1 stop6h 45m
Southwest
Thu 6/113:05 pm
ISP
- DTW
1 stop4h 30m
Southwest
Deal found 5/8![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 5/8. 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 11/135:20 am
DTW
- ISP
1 stop6h 25m
Southwest
Tue 11/1712:25 pm
ISP
- DTW
2 stops8h 50m
Southwest
Deal found 5/8![Southwest logo]()
$392
This Expedia deal was found by Cheapflights users on 5/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1012:37 pm
DTW
- ISP
1 stop21h 21m
Multiple Airlines
Mon 7/136:00 am
ISP
- DTW
1 stop9h 10m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 5/11. 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 7/105:45 pm
DTW
- ISP
1 stop5h 50m
Southwest
Mon 7/1312:30 pm
ISP
- DTW
2 stops8h 30m
Southwest
Deal found 5/11![Southwest logo]()
$412
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 7/812:37 pm
DTW
- ISP
1 stop21h 26m
Multiple Airlines
Mon 7/132:28 pm
ISP
- DTW
2 stops22h 37m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 5/10. 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.
Mon 6/85:50 am
DTW
- ISP
1 stop6h 00m
Southwest
Sun 6/145:55 pm
ISP
- DTW
1 stop6h 10m
Southwest
Deal found 5/10![Southwest logo]()
$416
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 May 12, 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 May 12, 2026.
This Southwest deal was found by Cheapflights users on 5/8. 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.
Tue 6/93:50 pm
DTW
- ISP
1 stop6h 45m
Southwest
Wed 6/108:55 am
ISP
- DTW
2 stops10h 35m
Southwest
Deal found 5/8![Southwest logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 7/812:37 pm
DTW
- ISP
1 stop21h 26m
Multiple Airlines
Mon 7/132:28 pm
ISP
- DTW
2 stops22h 37m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2712:55 pm
DTW
- ISP
2 stops21h 10m
Frontier
Sun 5/3111:00 am
ISP
- DTW
1 stop25h 00m
Frontier
Deal found 5/12![Frontier logo]()
$428
This Southwest deal was found by Cheapflights users on 5/8. 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 6/103:50 pm
DTW
- ISP
1 stop6h 45m
Southwest
Thu 6/113:05 pm
ISP
- DTW
1 stop4h 30m
Southwest
Deal found 5/8![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 5/11. 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 7/105:45 pm
DTW
- ISP
1 stop5h 50m
Southwest
Mon 7/1312:30 pm
ISP
- DTW
2 stops8h 30m
Southwest
Deal found 5/11![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 5/8. 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 6/125:45 pm
DTW
- ISP
1 stop5h 50m
Southwest
Sun 6/145:55 pm
ISP
- DTW
1 stop6h 10m
Southwest
Deal found 5/8![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 5/10. 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.
Mon 6/85:50 am
DTW
- ISP
1 stop6h 00m
Southwest
Sun 6/142:55 pm
ISP
- DTW
2 stops7h 00m
Southwest
Deal found 5/10![Southwest logo]()
$431
This Southwest deal was found by Cheapflights users on 5/11. 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 7/81:25 pm
DTW
- ISP
2 stops9h 10m
Southwest
Mon 7/133:05 pm
ISP
- DTW
2 stops9h 00m
Southwest
Deal found 5/11![Southwest logo]()
$437
Last-minute flights from Detroit to IslipDiscover last-minute flight deals from Detroit to Islip. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Islip. Data last updated May 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/2712:55 pm
DTW
- ISP
2 stops21h 10m
Frontier
Sun 5/3111:00 am
ISP
- DTW
1 stop25h 00m
Frontier
Deal found 5/12![Frontier logo]()
$428
This Southwest deal was found by Cheapflights users on 5/10. 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.
Mon 6/85:50 am
DTW
- ISP
1 stop6h 00m
Southwest
Sun 6/145:55 pm
ISP
- DTW
1 stop6h 10m
Southwest
Deal found 5/10![Southwest logo]()
$416
This Booking.com deal was found by Cheapflights users on 5/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:28 pm
DTW
- ISP
1 stop23h 37m
Frontier
Wed 6/109:52 pm
ISP
- DTW
1 stop13h 55m
Frontier
Deal found 5/8![Frontier logo]()
$201
This Southwest deal was found by Cheapflights users on 5/8. 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.
Tue 6/93:50 pm
DTW
- ISP
1 stop6h 45m
Southwest
Wed 6/108:55 am
ISP
- DTW
2 stops10h 35m
Southwest
Deal found 5/8![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 5/8. 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 6/103:50 pm
DTW
- ISP
1 stop6h 45m
Southwest
Thu 6/113:05 pm
ISP
- DTW
1 stop4h 30m
Southwest
Deal found 5/8![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 5/8. 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 6/125:45 pm
DTW
- ISP
1 stop5h 50m
Southwest
Sun 6/145:55 pm
ISP
- DTW
1 stop6h 10m
Southwest
Deal found 5/8![Southwest logo]()
$427
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 May 12, 2026.
Search for one-way flight options from Detroit to Islip. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/155:38 pm
DTW
- ISP
2 stops25h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Sat 6/136:10 am
DTW
- ISP
2 stops14h 47m
Frontier
Deal found 5/9![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/148:01 pm
DTW
- ISP
2 stops24h 56m
Frontier
Deal found 5/9![Frontier logo]()
$218
This Southwest deal was found by Cheapflights users on 5/9. 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.
Sat 6/131:20 pm
DTW
- ISP
1 stop3h 35m
Southwest
Deal found 5/9![Southwest logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 6/148:01 pm
DTW
- ISP
3 stops46h 37m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 5/9. 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.
Sat 6/136:10 am
DTW
- ISP
3 stops35h 00m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 5/8. 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 5/175:35 am
DTW
- ISP
1 stop6h 15m
Southwest
Deal found 5/8![Southwest logo]()
$327
This Frontier deal was found by Cheapflights users on 5/9. 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 6/2612:30 pm
DTW
- ISP
1 stop8h 27m
Frontier
Deal found 5/9![Frontier logo]()
$444
This Frontier deal was found by Cheapflights users on 5/9. 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 6/1912:30 pm
DTW
- ISP
1 stop8h 27m
Frontier
Deal found 5/9![Frontier logo]()
$504
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Booking.com) |
One-way from | $178 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $194 |
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 May 12, 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
Tue 6/9
3:50 pm-10:35 pm
1 stop6h 45m
Islip Long Island
Wed 6/10
8:55 am-7:30 pm
2 stops10h 35m
$336
Quickest round-trip
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Wed 6/10
3:50 pm-10:35 pm
1 stop6h 45m
Islip Long Island
Thu 6/11
3:05 pm-7:35 pm
1 stop4h 30m
$359
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 7/10
5:45 pm-11:35 pm
1 stop5h 50m
Islip Long Island
Mon 7/13
12:30 pm-9:00 pm
2 stops8h 30m
$412
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Wed 7/8
12:37 pm-10:03 am
1 stop21h 26m
Islip Long Island
Mon 7/13
2:28 pm-1:05 pm
2 stops22h 37m
$415
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 6/12
5:45 pm-11:35 pm
1 stop5h 50m
Islip Long Island
Sun 6/14
5:55 pm-12:05 am
1 stop6h 10m
$427
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Wed 5/27
12:55 pm-10:05 am
2 stops21h 10m
Islip Long Island
Sun 5/31
11:00 am-12:00 pm
1 stop25h 00m
$428
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Mon 6/8
5:50 am-11:50 am
1 stop6h 00m
Islip Long Island
Sun 6/14
2:55 pm-9:55 pm
2 stops7h 00m
$431
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Wed 7/8
1:25 pm-10:35 pm
2 stops9h 10m
Islip Long Island
Mon 7/13
3:05 pm-12:05 am
2 stops9h 00m
$437
Cheapest one-way
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Mon 6/15
5:38 pm-6:38 pm
2 stops25h 00m
$178
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Sat 9/12
7:55 am-12:05 pm
1 stop4h 10m
$194
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Detroit to Islip
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Islip in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
Related info for your journey
Find useful and relevant information for your journey from Detroit to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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