$243+ Cheap flights from LaGuardia, NY (LGA) to Islip, NY (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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from LaGuardia to Islip with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 LaGuardia to Islip
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Best
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One-way
Cheapest flights from LaGuardia to IslipExplore the most affordable flight options available from LaGuardia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from LaGuardia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/11![JetBlue logo]()
$702
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:29 pm -
1 stop9h 53m
Tue 9/297:00 am -
1 stop7h 59m
Deal found 9/8![JetBlue logo]()
$848
This JetBlue deal was found by Cheapflights users on 9/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop15h 37m
Sat 10/176:00 am -
1 stop15h 28m
Deal found 9/13![JetBlue logo]()
$858
This Travelocity deal was found by Cheapflights users on 9/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:00 pm -
1 stop11h 22m
Thu 10/86:00 am -
1 stop6h 30m
Deal found 9/12![JetBlue logo]()
$874
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:29 pm -
2 stops17h 01m
Sat 10/177:25 am -
2 stops16h 05m
Deal found 9/13![Multiple Airlines logo]()
$959
This Expedia deal was found by Cheapflights users on 9/8. 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.
Fri 10/97:40 am -
1 stop13h 57m
Mon 10/126:00 am -
1 stop6h 30m
Deal found 9/8![JetBlue logo]()
$978
This United deal was found by Cheapflights users on 9/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:29 pm -
2 stops15h 01m
Wed 9/307:31 am -
2 stops15h 59m
Deal found 9/11![Multiple Airlines logo]()
$1,035
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:29 pm -
1 stop9h 53m
Mon 9/217:00 am -
1 stop13h 03m
Deal found 9/9![JetBlue logo]()
$1,058
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:29 pm -
1 stop9h 53m
Sun 9/207:00 am -
1 stop7h 59m
Deal found 9/9![JetBlue logo]()
$1,078
This United deal was found by Cheapflights users on 9/9. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
2 stops7h 35m
Mon 9/2110:05 am -
2 stops13h 25m
Deal found 9/9![Multiple Airlines logo]()
$1,080
Best flights from LaGuardia to IslipDiscover carefully curated flight deals from LaGuardia to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from LaGuardia to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/11![JetBlue logo]()
$702
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:29 pm -
2 stops17h 01m
Sat 10/177:25 am -
2 stops16h 05m
Deal found 9/13![Multiple Airlines logo]()
$959
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:29 pm -
1 stop9h 53m
Tue 9/297:00 am -
1 stop7h 59m
Deal found 9/8![JetBlue logo]()
$848
This JetBlue deal was found by Cheapflights users on 9/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop15h 37m
Sat 10/176:00 am -
1 stop15h 28m
Deal found 9/13![JetBlue logo]()
$858
This United deal was found by Cheapflights users on 9/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:29 pm -
2 stops15h 01m
Wed 9/307:31 am -
2 stops15h 59m
Deal found 9/11![Multiple Airlines logo]()
$1,035
This Travelocity deal was found by Cheapflights users on 9/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:00 pm -
1 stop11h 22m
Thu 10/86:00 am -
1 stop6h 30m
Deal found 9/12![JetBlue logo]()
$874
This Expedia deal was found by Cheapflights users on 9/8. 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.
Fri 10/97:40 am -
1 stop13h 57m
Mon 10/126:00 am -
1 stop6h 30m
Deal found 9/8![JetBlue logo]()
$978
This Orbitz deal was found by Cheapflights users on 9/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/252:29 pm -
1 stop7h 35m
Mon 11/306:00 am -
1 stop13h 50m
Deal found 9/9![JetBlue logo]()
$1,118
Last-minute flights from LaGuardia to IslipDiscover last-minute flight deals from LaGuardia to Islip. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Islip. Data last updated September 13, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:29 pm -
1 stop9h 53m
Sun 9/207:00 am -
1 stop7h 59m
Deal found 9/9![JetBlue logo]()
$1,078
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:29 pm -
1 stop9h 53m
Mon 9/217:00 am -
1 stop13h 03m
Deal found 9/9![JetBlue logo]()
$1,058
This United deal was found by Cheapflights users on 9/9. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:00 am -
2 stops7h 35m
Mon 9/2110:05 am -
2 stops13h 25m
Deal found 9/9![Multiple Airlines logo]()
$1,080
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/11![JetBlue logo]()
$702
This United deal was found by Cheapflights users on 9/11. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:29 pm -
2 stops15h 01m
Wed 9/307:31 am -
2 stops15h 59m
Deal found 9/11![Multiple Airlines logo]()
$1,035
This JetBlue deal was found by Cheapflights users on 9/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/281:29 pm -
1 stop9h 53m
Tue 9/297:00 am -
1 stop7h 59m
Deal found 9/8![JetBlue logo]()
$848
This Travelocity deal was found by Cheapflights users on 9/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:00 pm -
1 stop11h 22m
Thu 10/86:00 am -
1 stop6h 30m
Deal found 9/12![JetBlue logo]()
$874
This Expedia deal was found by Cheapflights users on 9/8. 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.
Fri 10/97:40 am -
1 stop13h 57m
Mon 10/126:00 am -
1 stop6h 30m
Deal found 9/8![JetBlue logo]()
$978
This JetBlue deal was found by Cheapflights users on 9/13. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
1 stop15h 37m
Sat 10/176:00 am -
1 stop15h 28m
Deal found 9/13![JetBlue logo]()
$858
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:29 pm -
2 stops17h 01m
Sat 10/177:25 am -
2 stops16h 05m
Deal found 9/13![Multiple Airlines logo]()
$959
One-way flights from LaGuardia to IslipSearch for one-way flight options from LaGuardia to Islip. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from LaGuardia to Islip. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Expedia deal was found by Cheapflights users on 9/13. 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.
Sun 10/117:40 am -
1 stop13h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![JetBlue logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/166:40 pm -
2 stops22h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/166:40 pm -
3 stops16h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/184:55 pm -
2 stops24h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 9/184:55 pm -
3 stops24h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$373
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:40 am -
1 stop13h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![JetBlue logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/116:29 am -
2 stops12h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$418
This KAYAK deal was found by Cheapflights users on 9/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:29 am -
1 stop8h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![JetBlue logo]()
$550
Find flight deals from LaGuardia to Islip
Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) 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 September 13, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $663 (Expedia) |
One-way from | $243 (Expedia) |
Cheapflights Fare Finder
Customize your flight search to find flights from LaGuardia 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 September 13, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sun 10/11
7:40 am-9:37 pm
1 stop13h 57m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$243
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Fri 10/16
6:40 pm-5:30 pm
2 stops22h 50m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$251
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Fri 9/18
4:55 pm-4:58 pm
2 stops24h 03m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$353
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Fri 9/18
4:55 pm-5:23 pm
3 stops24h 28m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$373
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Fri 10/16
7:40 am-9:37 pm
1 stop13h 57m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$377
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sun 10/11
6:29 am-7:05 pm
2 stops12h 36m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$418
Quickest round-trip
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Fri 9/18
7:29 am-3:36 pm
1 stop8h 07m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$550
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 9/26
7:59 am-11:22 pm
1 stop15h 23m
Islip Long Island
Wed 9/30
7:00 am-9:28 pm
1 stop14h 28m
$702
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Mon 9/28
1:29 pm-11:22 pm
1 stop9h 53m
Islip Long Island
Tue 9/29
7:00 am-2:59 pm
1 stop7h 59m
$848
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 10/10
6:00 am-9:37 pm
1 stop15h 37m
Islip Long Island
Sat 10/17
6:00 am-9:28 pm
1 stop15h 28m
$858
Showing 1-10 of 15 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on New York LaGuardia Airport-Islip, New York flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on New York LaGuardia Airport-Islip, New York flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on New York LaGuardia Airport-Islip, New York flights, Cheapflights users trust Expedia the most. Expedia 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 New York LaGuardia 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 LaGuardia to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from LaGuardia with our price prediction graph.
LGA-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
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Book flights to Islip if you plan to visit one of these locationsRiverhead
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