$309+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — ISP
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/268:30 pm -
2 stops19h 15m
Thu 12/32:17 pm -
1 stop30h 42m
Deal found 10/27![Frontier logo]()
$584
This Expedia deal was found by Cheapflights users on 10/29. 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 11/167:40 am -
1 stop13h 57m
Thu 11/199:40 am -
1 stop11h 53m
Deal found 10/29![JetBlue logo]()
$718
This Expedia deal was found by Cheapflights users on 10/27. 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 11/2612:00 pm -
1 stop10h 40m
Thu 12/32:17 pm -
1 stop6h 42m
Deal found 10/27![Multiple Airlines logo]()
$721
This Expedia deal was found by Cheapflights users on 10/27. 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 11/127:40 am -
1 stop13h 57m
Sun 11/156:33 pm -
2 stops21h 28m
Deal found 10/27![Multiple Airlines logo]()
$795
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/48:59 pm -
2 stops20h 32m
Sun 11/86:33 pm -
2 stops21h 28m
Deal found 10/26![Frontier logo]()
$831
This JetBlue deal was found by Cheapflights users on 10/27. 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.
Tue 11/107:00 am -
1 stop6h 38m
Wed 11/116:00 am -
1 stop8h 59m
Deal found 10/27![JetBlue logo]()
$953
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/128:40 pm -
1 stop16h 58m
Sun 11/156:00 am -
1 stop15h 33m
Deal found 10/27![JetBlue logo]()
$962
This Expedia deal was found by Cheapflights users on 10/26. 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 11/412:29 pm -
1 stop9h 08m
Sun 11/86:33 pm -
2 stops21h 28m
Deal found 10/26![Multiple Airlines logo]()
$1,069
This FlightHub deal was found by Cheapflights users on 10/26. 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 11/412:29 pm -
1 stop9h 08m
Sun 11/86:00 am -
1 stop16h 59m
Deal found 10/26![JetBlue logo]()
$1,271
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 October 30, 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 October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/268:30 pm -
2 stops19h 15m
Thu 12/32:17 pm -
1 stop30h 42m
Deal found 10/27![Frontier logo]()
$584
This Expedia deal was found by Cheapflights users on 10/29. 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 11/167:40 am -
1 stop13h 57m
Thu 11/199:40 am -
1 stop11h 53m
Deal found 10/29![JetBlue logo]()
$718
This Expedia deal was found by Cheapflights users on 10/27. 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 3/187:45 am -
1 stop7h 21m
Sun 3/212:45 pm -
1 stop6h 31m
Deal found 10/27![JetBlue logo]()
$762
This JetBlue deal was found by Cheapflights users on 10/27. 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.
Tue 11/107:00 am -
1 stop6h 38m
Wed 11/116:00 am -
1 stop8h 59m
Deal found 10/27![JetBlue logo]()
$953
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/128:40 pm -
1 stop16h 58m
Sun 11/156:00 am -
1 stop15h 33m
Deal found 10/27![JetBlue logo]()
$962
This FlightHub deal was found by Cheapflights users on 10/26. 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 2/208:55 pm -
1 stop11h 40m
Sat 2/275:55 am -
1 stop14h 09m
Deal found 10/26![JetBlue logo]()
$1,165
This Expedia deal was found by Cheapflights users on 10/28. 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 12/238:55 pm -
1 stop12h 57m
Sun 12/2710:42 am -
1 stop11h 17m
Deal found 10/28![JetBlue logo]()
$1,650
Last-minute flights from LaGuardia to IslipDiscover last-minute flight deals from LaGuardia to Islip. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to Islip. Data last updated October 30, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/48:59 pm -
2 stops20h 32m
Sun 11/86:33 pm -
2 stops21h 28m
Deal found 10/26![Frontier logo]()
$831
This Expedia deal was found by Cheapflights users on 10/26. 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 11/412:29 pm -
1 stop9h 08m
Sun 11/86:33 pm -
2 stops21h 28m
Deal found 10/26![Multiple Airlines logo]()
$1,069
This FlightHub deal was found by Cheapflights users on 10/26. 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 11/412:29 pm -
1 stop9h 08m
Sun 11/86:00 am -
1 stop16h 59m
Deal found 10/26![JetBlue logo]()
$1,271
This JetBlue deal was found by Cheapflights users on 10/27. 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.
Tue 11/107:00 am -
1 stop6h 38m
Wed 11/116:00 am -
1 stop8h 59m
Deal found 10/27![JetBlue logo]()
$953
This Expedia deal was found by Cheapflights users on 10/27. 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 11/127:40 am -
1 stop13h 57m
Sun 11/156:33 pm -
2 stops21h 28m
Deal found 10/27![Multiple Airlines logo]()
$795
This FlightHub deal was found by Cheapflights users on 10/27. 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 11/128:40 pm -
1 stop16h 58m
Sun 11/156:00 am -
1 stop15h 33m
Deal found 10/27![JetBlue logo]()
$962
This Expedia deal was found by Cheapflights users on 10/29. 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 11/167:40 am -
1 stop13h 57m
Thu 11/199:40 am -
1 stop11h 53m
Deal found 10/29![JetBlue logo]()
$718
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 11/268:30 pm -
2 stops19h 15m
Thu 12/32:17 pm -
1 stop30h 42m
Deal found 10/27![Frontier logo]()
$584
This Expedia deal was found by Cheapflights users on 10/27. 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 11/2612:00 pm -
1 stop10h 40m
Thu 12/32:17 pm -
1 stop6h 42m
Deal found 10/27![Multiple Airlines logo]()
$721
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 October 30, 2026.
Search for one-way flight options from LaGuardia to Islip. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/226:30 am -
2 stops33h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/268:30 pm -
2 stops19h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$346
This Priceline deal was found by Cheapflights users on 10/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2612:00 pm -
1 stop10h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![JetBlue logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/268:55 pm -
3 stops37h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$504
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/268:30 pm -
2 stops38h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/269:20 am -
3 stops29h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$528
This Expedia deal was found by Cheapflights users on 10/26. 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 11/2512:00 pm -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![JetBlue logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 11/226:30 am -
3 stops31h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$578
This Priceline deal was found by Cheapflights users on 10/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/222:29 pm -
1 stop7h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![JetBlue logo]()
$582
This Expedia deal was found by Cheapflights users on 10/29. 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 12/268:55 pm -
1 stop12h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![JetBlue logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 11/258:30 pm -
3 stops41h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$717
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 October 30, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $584 (Kiwi.com) |
One-way from | $309 (Kiwi.com) |
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 October 30, 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 11/22
6:30 am-3:45 pm
2 stops33h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$309
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 11/26
8:30 pm-3:45 pm
2 stops19h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$346
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 11/26
12:00 pm-10:40 pm
1 stop10h 40m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$482
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 12/26
8:55 pm-10:33 am
3 stops37h 38m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$504
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sat 12/26
8:30 pm-10:31 am
2 stops38h 01m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$523
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 11/26
9:20 am-2:22 pm
3 stops29h 02m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$528
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Wed 11/25
12:00 pm-10:25 pm
1 stop10h 25m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$537
Quickest round-trip
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Sun 11/22
2:29 pm-10:25 pm
1 stop7h 56m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$582
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Thu 11/26
8:30 pm-3:45 pm
2 stops19h 15m
Islip Long Island
Thu 12/3
2:17 pm-8:59 pm
1 stop30h 42m
$584
New YorkIslip
LGA New York LaGuardia - ISP Islip Long Island
LGAISP
New York LaGuardia
Wed 11/25
8:30 pm-2:22 pm
3 stops41h 52m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$717
Showing 1-10 of 16 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.
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Book flights to Islip if you plan to visit one of these locationsRiverhead
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