$236+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Oct 19 — Oct 261
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 19, 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 19, 2026.
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:59 pm -
2 stops24h 31m
Mon 10/266:55 pm -
2 stops21h 06m
Deal found 9/17![Frontier logo]()
$406
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:40 pm -
2 stops23h 20m
Thu 10/226:25 pm -
2 stops26h 34m
Deal found 9/17![Frontier logo]()
$516
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop15h 37m
Mon 10/266:00 am -
1 stop15h 33m
Deal found 9/17![JetBlue logo]()
$548
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:40 am -
1 stop13h 57m
Wed 10/216:00 am -
1 stop8h 59m
Deal found 9/16![JetBlue logo]()
$563
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:40 am -
1 stop13h 57m
Thu 10/226:25 pm -
2 stops21h 49m
Deal found 9/17![Multiple Airlines logo]()
$676
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:40 am -
1 stop13h 57m
Thu 10/226:00 am -
1 stop8h 59m
Deal found 9/17![JetBlue logo]()
$733
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:29 am -
1 stop8h 07m
Tue 10/67:00 am -
1 stop7h 42m
Deal found 9/16![JetBlue logo]()
$893
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/15![JetBlue logo]()
$922
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:00 pm -
1 stop7h 22m
Tue 9/297:00 am -
1 stop7h 59m
Deal found 9/15![JetBlue logo]()
$1,018
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:25 am -
2 stops7h 16m
Wed 9/307:31 am -
2 stops15h 59m
Deal found 9/15![Multiple Airlines logo]()
$1,385
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:29 am -
1 stop8h 07m
Sun 9/207:00 am -
1 stop7h 59m
Deal found 9/16![JetBlue logo]()
$1,592
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 19, 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 19, 2026.
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:59 pm -
2 stops24h 31m
Mon 10/266:55 pm -
2 stops21h 06m
Deal found 9/17![Frontier logo]()
$406
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop15h 37m
Mon 10/266:00 am -
1 stop15h 33m
Deal found 9/17![JetBlue logo]()
$548
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:40 pm -
2 stops23h 20m
Thu 10/226:25 pm -
2 stops26h 34m
Deal found 9/17![Frontier logo]()
$516
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:40 am -
1 stop13h 57m
Wed 10/216:00 am -
1 stop8h 59m
Deal found 9/16![JetBlue logo]()
$563
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:25 am -
2 stops7h 16m
Wed 9/307:31 am -
2 stops15h 59m
Deal found 9/15![Multiple Airlines logo]()
$1,385
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:40 am -
1 stop13h 57m
Thu 10/226:00 am -
1 stop8h 59m
Deal found 9/17![JetBlue logo]()
$733
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:29 am -
1 stop8h 07m
Tue 10/67:00 am -
1 stop7h 42m
Deal found 9/16![JetBlue logo]()
$893
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/15![JetBlue logo]()
$922
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:00 pm -
1 stop7h 22m
Tue 9/297:00 am -
1 stop7h 59m
Deal found 9/15![JetBlue logo]()
$1,018
Last-minute flights from LaGuardia to IslipDiscover last-minute flight deals from LaGuardia to Islip. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Islip. Data last updated September 19, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:29 am -
1 stop8h 07m
Sun 9/207:00 am -
1 stop7h 59m
Deal found 9/16![JetBlue logo]()
$1,592
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:59 am -
1 stop15h 23m
Wed 9/307:00 am -
1 stop14h 28m
Deal found 9/15![JetBlue logo]()
$922
This United deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:25 am -
2 stops7h 16m
Wed 9/307:31 am -
2 stops15h 59m
Deal found 9/15![Multiple Airlines logo]()
$1,385
This JetBlue deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:00 pm -
1 stop7h 22m
Tue 9/297:00 am -
1 stop7h 59m
Deal found 9/15![JetBlue logo]()
$1,018
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:29 am -
1 stop8h 07m
Tue 10/67:00 am -
1 stop7h 42m
Deal found 9/16![JetBlue logo]()
$893
This Expedia deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:40 am -
1 stop13h 57m
Wed 10/216:00 am -
1 stop8h 59m
Deal found 9/16![JetBlue logo]()
$563
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:40 pm -
2 stops23h 20m
Thu 10/226:25 pm -
2 stops26h 34m
Deal found 9/17![Frontier logo]()
$516
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:40 am -
1 stop13h 57m
Thu 10/226:25 pm -
2 stops21h 49m
Deal found 9/17![Multiple Airlines logo]()
$676
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:40 am -
1 stop13h 57m
Thu 10/226:00 am -
1 stop8h 59m
Deal found 9/17![JetBlue logo]()
$733
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:59 pm -
2 stops24h 31m
Mon 10/266:55 pm -
2 stops21h 06m
Deal found 9/17![Frontier logo]()
$406
This FlightHub deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:00 am -
1 stop15h 37m
Mon 10/266:00 am -
1 stop15h 33m
Deal found 9/17![JetBlue logo]()
$548
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 19, 2026.
Search for one-way flight options from LaGuardia to Islip. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:10 am -
2 stops11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:30 pm -
2 stops16h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:29 am -
2 stops49h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:29 am -
2 stops35h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Frontier logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:30 am -
1 stop31h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$272
This Expedia deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:40 am -
1 stop13h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![JetBlue logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:55 pm -
2 stops17h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$308
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:29 am -
3 stops28h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$323
This Expedia deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:40 am -
1 stop13h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![JetBlue logo]()
$357
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 19, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $406 (Mytrip) |
One-way from | $236 (Mytrip) |
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 19, 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
Sat 10/17
6:10 am-5:30 pm
2 stops11h 20m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$236
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 12/5
5:30 pm-10:17 am
2 stops16h 47m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$241
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sun 11/8
9:29 am-11:20 am
2 stops49h 51m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$247
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 10/15
6:29 am-6:00 pm
2 stops35h 31m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$252
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 12/5
6:30 am-1:49 pm
1 stop31h 19m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$272
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 10/3
4:55 pm-10:17 am
2 stops17h 22m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$308
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 10/15
6:29 am-10:33 am
3 stops28h 04m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$323
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 10/15
7:40 am-9:37 pm
1 stop13h 57m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$357
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 10/3
12:00 pm-11:22 pm
1 stop11h 22m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$392
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Wed 10/21
4:59 pm-5:30 pm
2 stops24h 31m
Islip Long Island
Mon 10/26
6:55 pm-4:01 pm
2 stops21h 06m
$406
Showing 1-10 of 19 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
Find useful and relevant information for your journey from LaGuardia 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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