$149+ Cheap flights from Nashville to Islip, NY (BNA - 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ISP
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Nashville 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
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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 Nashville to Islip
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Cheapest flights from Nashville to IslipExplore the most affordable flight options available from Nashville to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Nashville to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/20. 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.
Thu 12/102:00 pm -
1 stop6h 45m
Tue 1/123:50 pm -
1 stop6h 35m
Deal found 10/20![Southwest logo]()
$279
This Trip.com deal was found by Cheapflights users on 10/20. 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.
Wed 11/48:26 pm -
1 stop20h 05m
Sun 11/86:33 pm -
1 stop26h 08m
Deal found 10/20![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 10/23. 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.
Thu 12/317:45 am -
1 stop7h 30m
Tue 1/54:05 pm -
1 stop6h 25m
Deal found 10/23![Southwest logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/79:43 am -
1 stop6h 48m
Wed 11/1112:00 pm -
2 stops21h 56m
Deal found 10/23![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/48:26 pm -
2 stops20h 07m
Sun 11/86:33 pm -
1 stop15h 23m
Deal found 10/20![Multiple Airlines logo]()
$420
This Frontier deal was found by Cheapflights users on 10/22. 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 10/239:38 am -
1 stop7h 22m
Mon 10/266:55 pm -
1 stop25h 46m
Deal found 10/22![Frontier logo]()
$430
This Southwest deal was found by Cheapflights users on 10/20. 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 11/32:00 pm -
1 stop6h 40m
Tue 11/104:05 pm -
1 stop4h 40m
Deal found 10/20![Southwest logo]()
$507
Best flights from Nashville to IslipDiscover carefully curated flight deals from Nashville to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Nashville to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/20. 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.
Thu 12/102:40 pm -
2 stops6h 05m
Tue 1/125:45 am -
2 stops6h 50m
Deal found 10/20![Southwest logo]()
$290
This Trip.com deal was found by Cheapflights users on 10/20. 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.
Wed 11/48:26 pm -
1 stop20h 05m
Sun 11/86:33 pm -
1 stop26h 08m
Deal found 10/20![Frontier logo]()
$298
This JetBlue deal was found by Cheapflights users on 10/24. 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 12/182:27 pm -
1 stop6h 23m
Mon 12/216:00 am -
1 stop8h 37m
Deal found 10/24![JetBlue logo]()
$602
This Southwest deal was found by Cheapflights users on 10/20. 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 1/156:40 am -
1 stop8h 15m
Sat 1/163:40 pm -
1 stop5h 15m
Deal found 10/20![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 10/23. 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.
Thu 12/317:45 am -
1 stop7h 30m
Tue 1/54:05 pm -
1 stop6h 25m
Deal found 10/23![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 10/20. 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 11/32:00 pm -
1 stop6h 40m
Tue 11/104:05 pm -
1 stop4h 40m
Deal found 10/20![Southwest logo]()
$507
This Southwest deal was found by Cheapflights users on 10/23. 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 11/77:50 am -
1 stop5h 30m
Wed 11/114:05 pm -
1 stop6h 25m
Deal found 10/23![Southwest logo]()
$537
This Southwest deal was found by Cheapflights users on 10/21. 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 11/66:50 am -
2 stops7h 45m
Tue 11/106:30 am -
1 stop7h 15m
Deal found 10/21![Southwest logo]()
$542
This Southwest deal was found by Cheapflights users on 10/20. 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 11/48:15 am -
2 stops7h 00m
Sun 11/85:35 am -
2 stops6h 25m
Deal found 10/20![Southwest logo]()
$547
Last-minute flights from Nashville to IslipDiscover last-minute flight deals from Nashville to Islip. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Islip. Data last updated October 25, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 10/22. 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 10/239:38 am -
1 stop7h 22m
Mon 10/266:55 pm -
1 stop25h 46m
Deal found 10/22![Frontier logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 10/265:03 pm -
2 stops41h 17m
Fri 10/306:54 pm -
1 stop15h 02m
Deal found 10/23![Multiple Airlines logo]()
$655
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 10/308:26 pm -
1 stop20h 05m
Fri 11/63:02 pm -
2 stops18h 54m
Deal found 10/23![Multiple Airlines logo]()
$674
This Southwest deal was found by Cheapflights users on 10/20. 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 11/32:00 pm -
1 stop6h 40m
Tue 11/104:05 pm -
1 stop4h 40m
Deal found 10/20![Southwest logo]()
$507
This Trip.com deal was found by Cheapflights users on 10/20. 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.
Wed 11/48:26 pm -
1 stop20h 05m
Sun 11/86:33 pm -
1 stop26h 08m
Deal found 10/20![Frontier logo]()
$298
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/48:26 pm -
2 stops20h 07m
Sun 11/86:33 pm -
1 stop15h 23m
Deal found 10/20![Multiple Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 10/20. 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 11/48:15 am -
2 stops7h 00m
Sun 11/85:35 am -
2 stops6h 25m
Deal found 10/20![Southwest logo]()
$547
This Southwest deal was found by Cheapflights users on 10/21. 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 11/65:10 am -
1 stop5h 35m
Tue 11/106:30 am -
1 stop6h 00m
Deal found 10/21![Southwest logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/79:43 am -
1 stop6h 48m
Wed 11/1112:00 pm -
2 stops21h 56m
Deal found 10/23![Multiple Airlines logo]()
$375
One-way flights from Nashville to IslipSearch for one-way flight options from Nashville to Islip. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Nashville to Islip. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This CheapOair deal was found by Cheapflights users on 10/20. 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 10/288:26 pm -
1 stop20h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 12/137:00 am -
1 stop9h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$152
This Southwest deal was found by Cheapflights users on 10/20. 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 11/146:00 am -
1 stop5h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Southwest logo]()
$153
This Southwest deal was found by Cheapflights users on 10/22. 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 1/17:45 am -
1 stop7h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$157
This Frontier deal was found by Cheapflights users on 10/20. 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.
Thu 11/59:43 am -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 10/22. 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 10/309:43 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 10/24. 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.
Thu 10/299:43 am -
1 stop6h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$215
This Southwest deal was found by Cheapflights users on 10/21. 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 12/236:45 pm -
1 stop4h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Southwest logo]()
$216
Find flight deals from Nashville to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Nashville (BNA) 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $279 (Southwest) |
One-way from | $149 (CheapOair) |
Popular in | December |
Cheapest in | February |
Average price | $265 |
Cheapflights Fare Finder
Customize your flight search to find flights from Nashville 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 25, 2026.
Use the filters below to find and compare flights from Nashville to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Wed 10/28
8:26 pm-5:31 pm
1 stop20h 05m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$149
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Sat 11/14
6:00 am-12:05 pm
1 stop5h 05m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Fri 1/1
8:15 am-4:15 pm
2 stops7h 00m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$157
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Sat 11/21
8:12 am-3:45 pm
1 stop6h 33m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Thu 10/29
9:43 am-5:31 pm
1 stop6h 48m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Fri 10/30
9:43 am-5:56 pm
1 stop7h 13m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
Quickest round-trip
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Wed 12/23
6:45 pm-11:50 pm
1 stop4h 05m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$216
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Thu 12/31
2:40 pm-9:45 pm
2 stops6h 05m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$234
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Sun 12/13
5:15 pm-11:35 pm
2 stops5h 20m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$244
NashvilleIslip
BNA Nashville Intl - ISP Islip Long Island
BNAISP
Nashville Intl
Thu 12/10
2:40 pm-9:45 pm
2 stops6h 05m
Islip Long Island
Tue 1/12
5:45 am-11:35 am
2 stops6h 50m
$290
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Nashville 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 Nashville to Islip in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Nashville-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 Nashville-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Nashville-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Nashville-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 Nashville-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 Nashville to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Nashville with our price prediction graph.
BNA-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.
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated October 25, 2026.
Get a feel of what it's like to fly with Southwest from Nashville to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Entertainment
7.4
Reviews
1 / 20
6.0
GoodSharilynn,May 2024
HOU - LGA
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
8.0
Crew
8.6
Entertainment
7.4
Reviews
1 / 20
6.0
GoodSharilynn,May 2024
HOU - LGA
Related info for your journey
Find useful and relevant information for your journey from Nashville 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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Other flights to Islip
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Nashville and Islip flights
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Nashville to Islip
Discover the top airline that operate flights from Nashville to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$334 | Average$536 | FlexibilityNo cancel fee | On-time63% |