$102+ Cheap flights from Detroit Metropolitan Wayne County Airport to Islip, NY (DTW - ISP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — ISP
Nov 9 — Nov 161
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 October 10, 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 October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/66:53 pm -
1 stop16h 27m
Wed 11/1112:00 pm -
1 stop5h 59m
Deal found 10/7![Multiple Airlines logo]()
$184
This Frontier deal was found by Cheapflights users on 10/9. 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 10/301:02 pm -
1 stop28h 29m
Sat 11/76:33 pm -
1 stop14h 19m
Deal found 10/9![Frontier logo]()
$266
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sat 11/72:55 pm -
2 stops6h 55m
Sat 11/146:00 am -
1 stop7h 00m
Deal found 10/8![Southwest logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Fri 10/306:53 pm -
1 stop16h 27m
Sat 11/76:33 pm -
2 stops38h 46m
Deal found 10/9![Multiple Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 10/7. 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 11/61:30 pm -
2 stops10h 05m
Wed 11/1112:30 pm -
2 stops8h 55m
Deal found 10/7![Southwest logo]()
$406
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 pm -
1 stop24h 10m
Fri 10/236:55 pm -
1 stop23h 01m
Deal found 10/6![Frontier logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:50 pm -
2 stops17h 30m
Sun 11/110:57 am -
1 stop25h 10m
Deal found 10/8![Multiple Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 10/9. 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.
Fri 10/304:55 pm -
2 stops6h 45m
Sat 11/77:55 am -
2 stops9h 35m
Deal found 10/9![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 10/5. 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 10/205:35 am -
1 stop6h 35m
Sat 10/246:15 am -
1 stop5h 55m
Deal found 10/5![Southwest logo]()
$497
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 October 10, 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 October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/66:53 pm -
1 stop16h 27m
Wed 11/1112:00 pm -
2 stops20h 52m
Deal found 10/7![Multiple Airlines logo]()
$243
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sat 11/72:55 pm -
2 stops6h 55m
Sat 11/146:00 am -
1 stop7h 00m
Deal found 10/8![Southwest logo]()
$281
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
1 stop9h 45m
Mon 11/304:40 pm -
1 stop26h 14m
Deal found 10/6![Frontier logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Fri 10/306:53 pm -
1 stop16h 27m
Sat 11/76:33 pm -
2 stops38h 46m
Deal found 10/9![Multiple Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 10/5. 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 10/205:35 am -
1 stop6h 35m
Sat 10/246:15 am -
1 stop5h 55m
Deal found 10/5![Southwest logo]()
$497
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:00 am -
1 stop9h 45m
Sun 11/294:40 pm -
1 stop23h 58m
Deal found 10/6![Frontier logo]()
$576
This Southwest deal was found by Cheapflights users on 10/8. 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 10/202:25 pm -
2 stops8h 15m
Sun 11/15:35 am -
1 stop5h 25m
Deal found 10/8![Southwest logo]()
$542
This Southwest deal was found by Cheapflights users on 10/5. 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 11/241:35 pm -
1 stop10h 05m
Mon 11/304:55 pm -
1 stop7h 20m
Deal found 10/5![Southwest logo]()
$573
Last-minute flights from Detroit to IslipDiscover last-minute flight deals from Detroit to Islip. Data last updated October 10, 2026 and is based on user searches.
Discover last-minute flight deals from Detroit to Islip. Data last updated October 10, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:50 pm -
1 stop24h 10m
Fri 10/236:55 pm -
1 stop23h 01m
Deal found 10/6![Frontier logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:50 pm -
2 stops17h 30m
Sun 11/110:57 am -
1 stop25h 10m
Deal found 10/8![Multiple Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 10/5. 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 10/205:35 am -
1 stop6h 35m
Sat 10/246:15 am -
1 stop5h 55m
Deal found 10/5![Southwest logo]()
$497
This Frontier deal was found by Cheapflights users on 10/9. 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 10/301:02 pm -
1 stop28h 29m
Sat 11/76:33 pm -
1 stop14h 19m
Deal found 10/9![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Fri 10/306:53 pm -
1 stop16h 27m
Sat 11/76:33 pm -
2 stops38h 46m
Deal found 10/9![Multiple Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 10/9. 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.
Fri 10/304:55 pm -
2 stops6h 45m
Sat 11/77:55 am -
2 stops9h 35m
Deal found 10/9![Southwest logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/66:53 pm -
1 stop16h 27m
Wed 11/1112:00 pm -
1 stop5h 59m
Deal found 10/7![Multiple Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 10/7. 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 11/61:30 pm -
2 stops10h 05m
Wed 11/1112:30 pm -
2 stops8h 55m
Deal found 10/7![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 10/8. 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.
Sat 11/72:55 pm -
2 stops6h 55m
Sat 11/146:00 am -
1 stop7h 00m
Deal found 10/8![Southwest logo]()
$281
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 October 10, 2026.
Search for one-way flight options from Detroit to Islip. Find affordable one-way fares based on user searches. Data last updated October 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:53 pm -
1 stop15h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$102
This Southwest deal was found by Cheapflights users on 10/8. 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 12/25:30 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$135
This CheapOair deal was found by Cheapflights users on 10/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:53 pm -
1 stop22h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/9![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:51 pm -
1 stop16h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$199
This Expedia deal was found by Cheapflights users on 10/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:34 pm -
1 stop28h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$221
This Trip.com deal was found by Cheapflights users on 10/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/255:50 pm -
1 stop24h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Frontier logo]()
$223
This Southwest deal was found by Cheapflights users on 10/8. 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 10/255:40 am -
1 stop4h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Southwest logo]()
$249
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 October 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $184 (Kiwi.com) |
One-way from | $102 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $274 |
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 7,457,451 searches. Data last updated October 10, 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 Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Wed 11/11
6:53 pm-10:17 am
1 stop15h 24m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$102
Quickest round-trip
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Wed 12/2
5:30 am-11:45 am
1 stop6h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$135
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Wed 12/2
2:53 pm-1:48 pm
1 stop22h 55m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$145
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Mon 10/26
6:51 pm-11:20 am
1 stop16h 29m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Sun 10/25
5:50 pm-6:00 pm
1 stop24h 10m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$223
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Fri 11/6
6:53 pm-11:20 am
1 stop16h 27m
Islip Long Island
Wed 11/11
12:00 pm-8:52 am
2 stops20h 52m
$243
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Sat 10/24
7:10 am-4:10 pm
2 stops9h 00m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$254
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Sat 11/7
2:55 pm-9:50 pm
2 stops6h 55m
Islip Long Island
Sat 11/14
6:00 am-1:00 pm
1 stop7h 00m
$281
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Wed 11/25
6:00 am-3:45 pm
1 stop9h 45m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$353
DetroitIslip
DTW Detroit Metropolitan Wayne County - ISP Islip Long Island
DTWISP
Detroit Metropolitan Wayne County
Fri 10/30
6:53 pm-11:20 am
1 stop16h 27m
Islip Long Island
Sat 11/7
6:33 pm-9:19 am
2 stops38h 46m
$353
Showing 1-10 of 17 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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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Book flights to Islip if you plan to visit one of these locationsRiverhead
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