$117+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ISP
May 24 — May 311
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 April 24, 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 April 24, 2026.
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/812:44 pm
DTW
- ISP
1 stop21h 21m
Frontier
Tue 5/125:38 pm
ISP
- DTW
1 stop18h 21m
Frontier
Deal found 4/23![Frontier logo]()
$221
This Expedia deal was found by Cheapflights users on 4/24. 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 5/157:19 pm
DTW
- ISP
1 stop14h 46m
Frontier
Mon 5/1811:00 am
ISP
- DTW
1 stop24h 59m
Frontier
Deal found 4/24![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/88:12 pm
DTW
- ISP
1 stop13h 53m
Multiple Airlines
Tue 5/125:38 pm
ISP
- DTW
2 stops31h 01m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 4/23. 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 6/265:45 pm
DTW
- ISP
1 stop5h 50m
Southwest
Sat 6/275:35 pm
ISP
- DTW
1 stop6h 10m
Southwest
Deal found 4/23![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 4/23. 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 5/84:00 pm
DTW
- ISP
2 stops7h 30m
Southwest
Tue 5/126:30 am
ISP
- DTW
2 stops9h 05m
Southwest
Deal found 4/23![Southwest logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/228:12 pm
DTW
- ISP
1 stop13h 53m
Multiple Airlines
Mon 5/2511:00 am
ISP
- DTW
2 stops26h 04m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 4/23. 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 4/23![Southwest logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/310:10 pm
DTW
- ISP
2 stops15h 21m
Multiple Airlines
Mon 5/44:07 pm
ISP
- DTW
1 stop19h 52m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/157:19 pm
DTW
- ISP
1 stop14h 46m
Multiple Airlines
Mon 5/182:28 pm
ISP
- DTW
2 stops21h 31m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$452
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 April 24, 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 April 24, 2026.
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/812:44 pm
DTW
- ISP
1 stop21h 21m
Frontier
Tue 5/125:38 pm
ISP
- DTW
1 stop18h 21m
Frontier
Deal found 4/23![Frontier logo]()
$221
This Southwest deal was found by Cheapflights users on 4/23. 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 6/265:45 pm
DTW
- ISP
1 stop5h 50m
Southwest
Sat 6/275:35 pm
ISP
- DTW
1 stop6h 10m
Southwest
Deal found 4/23![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 4/23. 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 5/84:00 pm
DTW
- ISP
2 stops7h 30m
Southwest
Tue 5/126:30 am
ISP
- DTW
2 stops9h 05m
Southwest
Deal found 4/23![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 4/23. 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 4/23![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 4/24. 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 7/223:50 pm
DTW
- ISP
1 stop6h 45m
Southwest
Sun 7/266:00 am
ISP
- DTW
1 stop6h 15m
Southwest
Deal found 4/24![Southwest logo]()
$473
This Southwest deal was found by Cheapflights users on 4/23. 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 6/261:25 pm
DTW
- ISP
2 stops10h 10m
Southwest
Sun 6/285:55 pm
ISP
- DTW
1 stop6h 10m
Southwest
Deal found 4/23![Southwest logo]()
$498
This Southwest deal was found by Cheapflights users on 4/24. 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 5/154:00 pm
DTW
- ISP
2 stops7h 30m
Southwest
Mon 5/186:00 am
ISP
- DTW
2 stops8h 55m
Southwest
Deal found 4/24![Southwest logo]()
$569
Last-minute flights from Detroit to IslipDiscover last-minute flight deals from Detroit to Islip. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Islip. Data last updated April 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 5/310:10 pm
DTW
- ISP
2 stops15h 21m
Multiple Airlines
Mon 5/44:07 pm
ISP
- DTW
1 stop19h 52m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 4/20. 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 5/33:55 pm
DTW
- ISP
2 stops7h 55m
Southwest
Mon 5/412:30 pm
ISP
- DTW
2 stops9h 50m
Southwest
Deal found 4/20![Southwest logo]()
$551
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Fri 5/812:44 pm
DTW
- ISP
1 stop21h 21m
Frontier
Tue 5/125:38 pm
ISP
- DTW
1 stop18h 21m
Frontier
Deal found 4/23![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/88:12 pm
DTW
- ISP
1 stop13h 53m
Multiple Airlines
Tue 5/125:38 pm
ISP
- DTW
2 stops31h 01m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 4/23. 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 5/84:00 pm
DTW
- ISP
2 stops7h 30m
Southwest
Tue 5/126:30 am
ISP
- DTW
2 stops9h 05m
Southwest
Deal found 4/23![Southwest logo]()
$404
This Expedia deal was found by Cheapflights users on 4/24. 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 5/157:19 pm
DTW
- ISP
1 stop14h 46m
Frontier
Mon 5/1811:00 am
ISP
- DTW
1 stop24h 59m
Frontier
Deal found 4/24![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/157:19 pm
DTW
- ISP
1 stop14h 46m
Multiple Airlines
Mon 5/182:28 pm
ISP
- DTW
2 stops21h 31m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 4/24. 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 5/154:00 pm
DTW
- ISP
2 stops7h 30m
Southwest
Mon 5/186:00 am
ISP
- DTW
2 stops8h 55m
Southwest
Deal found 4/24![Southwest logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/228:12 pm
DTW
- ISP
1 stop13h 53m
Multiple Airlines
Mon 5/2511:00 am
ISP
- DTW
2 stops26h 04m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 4/23. 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 4/23![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 April 24, 2026.
Search for one-way flight options from Detroit to Islip. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This Expedia deal was found by Cheapflights users on 4/21. 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.
Mon 6/812:44 pm
DTW
- ISP
1 stop27h 12m
Frontier
Deal found 4/21![Frontier logo]()
$117
This Expedia deal was found by Cheapflights users on 4/23. 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 6/1912:30 pm
DTW
- ISP
1 stop21h 33m
Frontier
Deal found 4/23![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 4/21. 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 6/86:05 pm
DTW
- ISP
2 stops22h 42m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$155
This Lucky2Go deal was found by Cheapflights users on 4/21. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:42 pm
DTW
- ISP
2 stops27h 14m
Frontier
Deal found 4/21![Frontier logo]()
$177
This Southwest deal was found by Cheapflights users on 4/23. 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 6/205:30 am
DTW
- ISP
1 stop6h 05m
Southwest
Deal found 4/23![Southwest logo]()
$214
This Southwest deal was found by Cheapflights users on 4/23. 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 7/31:25 pm
DTW
- ISP
2 stops10h 10m
Southwest
Deal found 4/23![Southwest logo]()
$249
This Southwest deal was found by Cheapflights users on 4/23. 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 6/191:25 pm
DTW
- ISP
2 stops10h 10m
Southwest
Deal found 4/23![Southwest logo]()
$260
This Southwest deal was found by Cheapflights users on 4/23. 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.
Thu 7/25:45 pm
DTW
- ISP
1 stop5h 50m
Southwest
Deal found 4/23![Southwest logo]()
$269
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $221 (Trip.com) |
One-way from | $117 (Expedia) |
Popular in | November |
Cheapest in | February |
Average price | $167 |
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 April 24, 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 5/8
12:44 pm-10:05 am
1 stop21h 21m
Islip Long Island
Tue 5/12
5:38 pm-11:59 am
1 stop18h 21m
$221
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 6/26
5:45 pm-11:35 pm
1 stop5h 50m
Islip Long Island
Sat 6/27
5:35 pm-11:45 pm
1 stop6h 10m
$397
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 5/8
4:00 pm-11:30 pm
2 stops7h 30m
Islip Long Island
Tue 5/12
6:30 am-3:35 pm
2 stops9h 05m
$404
Quickest 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
8:35 am-12:20 pm
1 stop3h 45m
$427
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Wed 7/22
3:50 pm-10:35 pm
1 stop6h 45m
Islip Long Island
Sun 7/26
6:00 am-12:15 pm
1 stop6h 15m
$473
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 6/26
1:25 pm-11:35 pm
2 stops10h 10m
Islip Long Island
Sun 6/28
5:55 pm-12:05 am
1 stop6h 10m
$498
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 5/15
4:00 pm-11:30 pm
2 stops7h 30m
Islip Long Island
Mon 5/18
6:00 am-2:55 pm
2 stops8h 55m
$569
Cheapest one-way
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Mon 6/8
12:44 pm-3:56 pm
1 stop27h 12m
$117
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Fri 6/19
12:30 pm-10:03 am
1 stop21h 33m
$141
DetroitIslip
DTW - ISP
DTWISP
Detroit Metropolitan Wayne County
Mon 6/8
6:05 pm-4:47 pm
2 stops22h 42m
$155
Showing 1-10 of 14 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 April.
| 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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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