$220+ Cheap flights from Indiana 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ISP
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from Indiana 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 Indiana to Islip
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Best
Last-minute
One-way
Cheapest flights from Indiana to IslipExplore the most affordable flight options available from Indiana to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from Indiana to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This Trip.com deal was found by Cheapflights users on 11/8. 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 12/611:04 am -
1 stop6h 10m
Sun 12/136:15 pm -
1 stop19h 19m
Deal found 11/8![Frontier logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:27 pm -
2 stops17h 55m
Sun 12/136:15 pm -
1 stop16h 45m
Deal found 11/6![Multiple Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:05 pm -
1 stop4h 00m
Sun 12/135:35 am -
1 stop6h 50m
Deal found 11/6![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:00 am -
1 stop8h 00m
Sat 1/25:30 am -
1 stop5h 35m
Deal found 11/6![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:00 am -
1 stop8h 00m
Sun 1/34:55 pm -
2 stops6h 55m
Deal found 11/6![Southwest logo]()
$492
This FlightHub deal was found by Cheapflights users on 11/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop26h 50m
Fri 11/279:40 am -
1 stop11h 54m
Deal found 11/7![JetBlue logo]()
$544
This Southwest deal was found by Cheapflights users on 11/7. 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.
Sat 11/218:40 am -
1 stop6h 50m
Fri 11/271:35 pm -
2 stops11h 10m
Deal found 11/7![Southwest logo]()
$553
Best flights from Indiana to IslipDiscover carefully curated flight deals from Indiana to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from Indiana to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:05 pm -
1 stop4h 00m
Sun 12/135:35 am -
1 stop6h 50m
Deal found 11/6![Southwest logo]()
$447
This CheapOair deal was found by Cheapflights users on 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:15 pm -
1 stop21h 30m
Sun 11/294:40 pm -
1 stop20h 48m
Deal found 11/5![Frontier logo]()
$681
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:00 am -
1 stop8h 00m
Sat 1/25:05 pm -
2 stops6h 30m
Deal found 11/6![Southwest logo]()
$492
This Southwest deal was found by Cheapflights users on 11/8. 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.
Fri 11/205:40 am -
2 stops9h 55m
Sun 11/225:35 am -
1 stop6h 50m
Deal found 11/8![Southwest logo]()
$627
This Southwest deal was found by Cheapflights users on 11/7. 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.
Sat 11/218:40 am -
1 stop6h 50m
Sat 11/285:30 am -
2 stops9h 15m
Deal found 11/7![Southwest logo]()
$732
This Southwest deal was found by Cheapflights users on 11/9. 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.
Tue 11/248:00 pm -
1 stop12h 45m
Sat 11/285:30 am -
2 stops9h 15m
Deal found 11/9![Southwest logo]()
$738
Last-minute flights from Indiana to IslipDiscover last-minute flight deals from Indiana to Islip. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Indiana to Islip. Data last updated November 10, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 11/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop26h 50m
Fri 11/279:40 am -
1 stop11h 54m
Deal found 11/7![JetBlue logo]()
$544
This Southwest deal was found by Cheapflights users on 11/7. 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.
Sat 11/218:40 am -
1 stop6h 50m
Fri 11/271:35 pm -
2 stops11h 10m
Deal found 11/7![Southwest logo]()
$553
This Trip.com deal was found by Cheapflights users on 11/8. 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 12/611:04 am -
1 stop6h 10m
Sun 12/136:15 pm -
1 stop19h 19m
Deal found 11/8![Frontier logo]()
$377
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:27 pm -
2 stops17h 55m
Sun 12/136:15 pm -
1 stop16h 45m
Deal found 11/6![Multiple Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:05 pm -
1 stop4h 00m
Sun 12/135:35 am -
1 stop6h 50m
Deal found 11/6![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:00 am -
1 stop8h 00m
Sat 1/25:30 am -
1 stop5h 35m
Deal found 11/6![Southwest logo]()
$487
This Southwest deal was found by Cheapflights users on 11/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/195:00 am -
1 stop8h 00m
Sun 1/34:55 pm -
2 stops6h 55m
Deal found 11/6![Southwest logo]()
$492
One-way flights from Indiana to IslipSearch for one-way flight options from Indiana to Islip. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from Indiana to Islip. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Frontier deal was found by Cheapflights users on 11/9. 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.
Sun 12/1311:04 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 11/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:06 pm -
2 stops21h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$410
This Frontier deal was found by Cheapflights users on 11/9. 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.
Sun 11/2910:30 pm -
2 stops17h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$662
Find flight deals from Indiana to Islip
Keep the following information in mind while searching for Indiana to Islip flight deals. Data was last updated November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $377 (Trip.com) |
One-way from | $220 (Frontier) |
Popular in | October |
Cheapest in | January |
Average price | $400 |
Cheapflights Fare Finder
Customize your flight search to find flights from Indiana 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 November 10, 2026.
Use the filters below to find and compare flights from Indiana to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sun 12/13
11:04 am-5:19 pm
1 stop6h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$220
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Wed 12/2
4:06 pm-1:22 pm
2 stops21h 16m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$410
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sun 12/6
1:05 pm-5:05 pm
1 stop4h 00m
Islip Long Island
Sun 12/13
5:35 am-12:25 pm
1 stop6h 50m
$447
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sat 12/19
5:00 am-1:00 pm
1 stop8h 00m
Islip Long Island
Sat 1/2
5:05 pm-11:35 pm
2 stops6h 30m
$492
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Fri 11/20
5:40 am-3:35 pm
2 stops9h 55m
Islip Long Island
Sun 11/22
5:35 am-12:25 pm
1 stop6h 50m
$627
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sun 11/29
10:30 pm-3:45 pm
2 stops17h 15m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$662
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sun 11/22
6:15 pm-3:45 pm
1 stop21h 30m
Islip Long Island
Sun 11/29
4:40 pm-1:28 pm
1 stop20h 48m
$681
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Sat 11/21
8:40 am-3:30 pm
1 stop6h 50m
Islip Long Island
Sat 11/28
5:30 am-2:45 pm
2 stops9h 15m
$732
IndianapolisIslip
IND Indianapolis - ISP Islip Long Island
INDISP
Indianapolis
Tue 11/24
8:00 pm-8:45 am
1 stop12h 45m
Islip Long Island
Sat 11/28
5:30 am-2:45 pm
2 stops9h 15m
$738
Sorted by cheapest first
Best time to book a flight from Indiana to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Indiana with our price prediction graph.
IND-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.
Cheapflights Insights
Everything you need to know about your flight from Indiana to Islip
USIN-ISP
IND-ISP
No data available for this route at this time. Please check back soon.
Related info for your journey
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