$125+ Cheap flights from Islip, NY (ISP) to Tennessee
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Jul 31 — Aug 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Islip to Tennessee 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 Islip to Tennessee
Cheapest
Best
Last-minute
One-way
Cheapest flights from Islip to TennesseeExplore the most affordable flight options available from Islip to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
Explore the most affordable flight options available from Islip to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This Southwest deal was found by Cheapflights users on 6/30. 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 8/253:20 pm
ISP
- TYS
1 stop4h 30m
Southwest
Wed 9/28:05 am
TYS
- ISP
1 stop4h 05m
Southwest
Deal found 6/30![Southwest logo]()
$267
This Expedia deal was found by Cheapflights users on 6/29. 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.
Fri 8/217:09 pm
ISP
- BNA
1 stop21h 56m
Frontier
Sun 8/2311:12 am
BNA
- ISP
1 stop21h 41m
Frontier
Deal found 6/29![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 7/1. 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 8/2010:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Sun 8/2311:12 am
BNA
- ISP
1 stop6h 02m
Frontier
Deal found 7/1![Frontier logo]()
$272
This Trip.com deal was found by Cheapflights users on 6/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Sun 7/1911:12 am
BNA
- ISP
1 stop21h 41m
Frontier
Deal found 6/27![Frontier logo]()
$283
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Sun 8/165:00 pm
BNA
- ISP
1 stop15h 53m
Frontier
Deal found 6/28![Frontier logo]()
$288
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:55 am
ISP
- BNA
1 stop6h 35m
Southwest
Sat 8/86:10 am
BNA
- ISP
1 stop4h 55m
Southwest
Deal found 6/29![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:55 am
ISP
- BNA
1 stop4h 35m
Southwest
Sat 8/13:35 pm
BNA
- ISP
2 stops6h 40m
Southwest
Deal found 6/28![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:05 am
ISP
- BNA
2 stops7h 50m
Southwest
Wed 9/912:00 pm
BNA
- ISP
2 stops8h 05m
Southwest
Deal found 6/27![Southwest logo]()
$299
This Frontier deal was found by Cheapflights users on 7/1. 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 9/410:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Sun 9/611:12 am
BNA
- ISP
1 stop6h 02m
Frontier
Deal found 7/1![Frontier logo]()
$307
This Southwest deal was found by Cheapflights users on 6/30. 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 10/226:50 am
ISP
- BNA
1 stop8h 20m
Southwest
Mon 10/265:00 am
BNA
- ISP
1 stop6h 00m
Southwest
Deal found 6/30![Southwest logo]()
$315
This Southwest deal was found by Cheapflights users on 6/30. 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 9/303:20 pm
ISP
- MEM
2 stops8h 05m
Southwest
Wed 10/149:45 am
MEM
- ISP
1 stop4h 55m
Southwest
Deal found 6/30![Southwest logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 8/157:46 pm
ISP
- TYS
2 stops41h 00m
Multiple Airlines
Fri 8/212:51 pm
TYS
- ISP
1 stop19h 02m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$351
Best flights from Islip to TennesseeDiscover carefully curated flight deals from Islip to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Islip to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This Southwest deal was found by Cheapflights users on 6/30. 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 8/253:20 pm
ISP
- TYS
1 stop4h 30m
Southwest
Wed 9/28:05 am
TYS
- ISP
1 stop4h 05m
Southwest
Deal found 6/30![Southwest logo]()
$267
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:05 am
ISP
- TYS
2 stops12h 50m
Southwest
Tue 10/612:45 pm
TYS
- ISP
2 stops9h 30m
Southwest
Deal found 6/28![Southwest logo]()
$283
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:05 am
ISP
- BNA
1 stop5h 25m
Southwest
Wed 9/911:15 am
BNA
- ISP
1 stop4h 40m
Southwest
Deal found 6/27![Southwest logo]()
$289
This KAYAK deal was found by Cheapflights users on 6/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:57 am
ISP
- MEM
3 stops23h 13m
Breeze Airways
Mon 7/202:05 pm
MEM
- ISP
1 stop25h 42m
Breeze Airways
Deal found 6/27![Breeze Airways logo]()
$788
This Southwest deal was found by Cheapflights users on 6/30. 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 9/303:20 pm
ISP
- MEM
2 stops8h 05m
Southwest
Wed 10/149:45 am
MEM
- ISP
1 stop4h 55m
Southwest
Deal found 6/30![Southwest logo]()
$338
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:30 am
ISP
- BNA
1 stop5h 40m
Southwest
Mon 9/141:45 pm
BNA
- ISP
2 stops6h 45m
Southwest
Deal found 6/29![Southwest logo]()
$353
This Southwest deal was found by Cheapflights users on 7/1. 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 8/1210:30 am
ISP
- BNA
1 stop7h 40m
Southwest
Sun 8/165:00 pm
BNA
- ISP
1 stop5h 15m
Southwest
Deal found 7/1![Southwest logo]()
$361
This United deal was found by Cheapflights users on 6/30. 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 7/304:50 pm
ISP
- CHA
2 stops24h 12m
Multiple Airlines
Thu 8/66:00 am
CHA
- ISP
2 stops11h 41m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,059
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:35 pm
ISP
- BNA
1 stop4h 10m
Southwest
Thu 10/16:30 pm
BNA
- ISP
1 stop4h 05m
Southwest
Deal found 6/27![Southwest logo]()
$361
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:10 am
ISP
- TYS
2 stops11h 00m
Southwest
Fri 9/41:00 pm
TYS
- ISP
1 stop8h 30m
Southwest
Deal found 6/28![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 7/1. 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 8/284:05 pm
ISP
- TYS
1 stop3h 50m
Southwest
Sun 8/301:15 pm
TYS
- ISP
2 stops9h 20m
Southwest
Deal found 7/1![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 6/30. 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 10/95:40 pm
ISP
- BNA
2 stops7h 10m
Southwest
Tue 10/135:00 pm
BNA
- ISP
1 stop4h 35m
Southwest
Deal found 6/30![Southwest logo]()
$363
This Southwest deal was found by Cheapflights users on 6/30. 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 8/204:05 pm
ISP
- BNA
1 stop5h 05m
Southwest
Sun 8/232:45 pm
BNA
- ISP
2 stops6h 50m
Southwest
Deal found 6/30![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 6/30. 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 7/309:10 am
ISP
- BNA
2 stops6h 25m
Southwest
Thu 8/612:10 pm
BNA
- ISP
1 stop8h 20m
Southwest
Deal found 6/30![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:55 am
ISP
- BNA
2 stops7h 50m
Southwest
Sat 8/13:35 pm
BNA
- ISP
2 stops6h 40m
Southwest
Deal found 6/28![Southwest logo]()
$368
This United deal was found by Cheapflights users on 6/29. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:05 am
ISP
- CHA
2 stops33h 57m
Multiple Airlines
Wed 8/55:58 pm
CHA
- ISP
2 stops16h 58m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,073
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:10 am
ISP
- TYS
2 stops11h 00m
Southwest
Wed 9/912:45 pm
TYS
- ISP
2 stops8h 20m
Southwest
Deal found 6/29![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 6/30. 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 8/183:20 pm
ISP
- TYS
1 stop4h 30m
Southwest
Sun 8/238:30 am
TYS
- ISP
1 stop7h 25m
Southwest
Deal found 6/30![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 6/30. 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 8/153:15 pm
ISP
- TYS
1 stop4h 05m
Southwest
Fri 8/211:00 pm
TYS
- ISP
1 stop8h 30m
Southwest
Deal found 6/30![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:15 pm
ISP
- BNA
2 stops7h 55m
Southwest
Sun 9/61:00 pm
BNA
- ISP
2 stops8h 45m
Southwest
Deal found 6/27![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 6/30. 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 12/206:05 am
ISP
- BNA
1 stop5h 25m
Southwest
Wed 12/236:55 am
BNA
- ISP
1 stop3h 40m
Southwest
Deal found 6/30![Southwest logo]()
$422
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:30 pm
ISP
- MEM
1 stop5h 00m
Southwest
Fri 7/172:30 pm
MEM
- ISP
2 stops8h 10m
Southwest
Deal found 6/28![Southwest logo]()
$538
Last-minute flights from Islip to TennesseeDiscover last-minute flight deals from Islip to Tennessee. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Tennessee. Data last updated July 1, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1110:43 am
ISP
- BNA
1 stop6h 22m
Frontier
Tue 7/1411:12 am
BNA
- ISP
1 stop21h 41m
Frontier
Deal found 6/29![Frontier logo]()
$334
This Trip.com deal was found by Cheapflights users on 6/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Sun 7/1911:12 am
BNA
- ISP
1 stop21h 41m
Frontier
Deal found 6/27![Frontier logo]()
$283
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/222:55 pm
ISP
- TYS
1 stop6h 25m
Southwest
Mon 7/277:30 am
TYS
- ISP
1 stop4h 20m
Southwest
Deal found 6/29![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 6/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:50 pm
ISP
- TYS
1 stop4h 45m
Southwest
Mon 7/277:30 am
TYS
- ISP
1 stop4h 20m
Southwest
Deal found 6/27![Southwest logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Sun 7/267:49 pm
ISP
- TYS
2 stops26h 11m
Multiple Airlines
Fri 7/317:20 pm
TYS
- ISP
1 stop14h 33m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:55 am
ISP
- BNA
1 stop4h 35m
Southwest
Sat 8/13:35 pm
BNA
- ISP
2 stops6h 40m
Southwest
Deal found 6/28![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:55 am
ISP
- BNA
1 stop6h 35m
Southwest
Sat 8/86:10 am
BNA
- ISP
1 stop4h 55m
Southwest
Deal found 6/29![Southwest logo]()
$289
This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Sun 8/165:00 pm
BNA
- ISP
1 stop15h 53m
Frontier
Deal found 6/28![Frontier logo]()
$288
This Frontier deal was found by Cheapflights users on 6/30. 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 8/1410:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Fri 8/2111:12 am
BNA
- ISP
1 stop6h 02m
Frontier
Deal found 6/30![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 7/1. 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 8/2010:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Sun 8/2311:12 am
BNA
- ISP
1 stop6h 02m
Frontier
Deal found 7/1![Frontier logo]()
$272
This Expedia deal was found by Cheapflights users on 6/29. 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.
Fri 8/217:09 pm
ISP
- BNA
1 stop21h 56m
Frontier
Sun 8/2311:12 am
BNA
- ISP
1 stop21h 41m
Frontier
Deal found 6/29![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 6/30. 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 8/2310:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Thu 8/2711:12 am
BNA
- ISP
1 stop6h 02m
Frontier
Deal found 6/30![Frontier logo]()
$342
One-way flights from Islip to TennesseeSearch for one-way flight options from Islip to Tennessee. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Islip to Tennessee. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This Priceline deal was found by Cheapflights users on 6/28. 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.
Sat 9/510:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Deal found 6/28![Frontier logo]()
$125
This Frontier deal was found by Cheapflights users on 6/30. 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.
Mon 8/2410:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Deal found 6/30![Frontier logo]()
$128
This Priceline deal was found by Cheapflights users on 6/30. 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 8/3010:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Deal found 6/30![Frontier logo]()
$134
This Southwest deal was found by Cheapflights users on 6/30. 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 8/253:20 pm
ISP
- TYS
1 stop4h 30m
Southwest
Deal found 6/30![Southwest logo]()
$134
This Frontier deal was found by Cheapflights users on 6/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Deal found 6/28![Frontier logo]()
$135
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:00 am
ISP
- TYS
2 stops11h 00m
Southwest
Deal found 6/29![Southwest logo]()
$139
This Frontier deal was found by Cheapflights users on 6/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Deal found 6/29![Frontier logo]()
$141
This Frontier deal was found by Cheapflights users on 6/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Deal found 6/29![Frontier logo]()
$144
This Southwest deal was found by Cheapflights users on 7/1. 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 7/286:00 am
ISP
- BNA
1 stop5h 45m
Southwest
Deal found 7/1![Southwest logo]()
$145
This Southwest deal was found by Cheapflights users on 6/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 am
ISP
- BNA
2 stops7h 00m
Southwest
Deal found 6/28![Southwest logo]()
$150
This Southwest deal was found by Cheapflights users on 6/30. 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 8/134:05 pm
ISP
- BNA
1 stop5h 05m
Southwest
Deal found 6/30![Southwest logo]()
$158
This Frontier deal was found by Cheapflights users on 6/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:43 am
ISP
- BNA
1 stop6h 22m
Frontier
Deal found 6/29![Frontier logo]()
$173
Find flight deals from Islip to Tennessee
Keep the following information in mind while searching for Islip to Tennessee flight deals. Data was last updated July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $267 (Southwest) |
One-way from | $125 (Priceline) |
Popular in | March |
Cheapest in | January |
Average price | $264 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Tennessee 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 2,558,603 searches. Data last updated July 1, 2026.
Use the filters below to find and compare flights from Islip to Tennessee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Tue 8/25
3:20 pm-7:50 pm
1 stop4h 30m
Knoxville McGhee Tyson
Wed 9/2
8:05 am-12:10 pm
1 stop4h 05m
$267
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Wed 9/30
6:05 am-6:55 pm
2 stops12h 50m
Knoxville McGhee Tyson
Tue 10/6
12:45 pm-10:15 pm
2 stops9h 30m
$283
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Tue 9/1
6:05 am-10:30 am
1 stop5h 25m
Nashville Intl
Wed 9/9
11:15 am-4:55 pm
1 stop4h 40m
$289
IslipMemphis
ISP - MEM
ISPMEM
Islip Long Island
Wed 9/30
3:20 pm-10:25 pm
2 stops8h 05m
Memphis
Wed 10/14
9:45 am-3:40 pm
1 stop4h 55m
$338
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Sat 9/12
5:30 am-10:10 am
1 stop5h 40m
Nashville Intl
Mon 9/14
1:45 pm-9:30 pm
2 stops6h 45m
$353
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Wed 8/12
10:30 am-5:10 pm
1 stop7h 40m
Nashville Intl
Sun 8/16
5:00 pm-11:15 pm
1 stop5h 15m
$361
Quickest round-trip
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Fri 8/7
12:35 pm-3:45 pm
1 stop4h 10m
Nashville Intl
Thu 10/1
6:30 pm-11:35 pm
1 stop4h 05m
$361
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Fri 8/28
6:10 am-5:10 pm
2 stops11h 00m
Knoxville McGhee Tyson
Fri 9/4
1:00 pm-9:30 pm
1 stop8h 30m
$362
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Fri 8/28
4:05 pm-7:55 pm
1 stop3h 50m
Knoxville McGhee Tyson
Sun 8/30
1:15 pm-10:35 pm
2 stops9h 20m
$362
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Fri 10/9
5:40 pm-11:50 pm
2 stops7h 10m
Nashville Intl
Tue 10/13
5:00 pm-10:35 pm
1 stop4h 35m
$363
Showing 1-10 of 40 resultsSorted by cheapest first
Best time to book a flight from Islip to Tennessee
Have a flexible travel schedule? Discover the best time to fly to Tennessee from Islip with our price prediction graph.
ISP-TYS
ISP-BNA
ISP-MEM
ISP-CHA
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 Islip to Tennessee
ISP-USTN
ISP-TYS
ISP-BNA
ISP-MEM
ISP-CHA
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Tennessee
Get insights into the airlines that provide service to Tennessee. 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 Tennessee. Reviews last updated July 1, 2026.
Read through reviews of airlines operating flights from Islip to Tennessee, such as Southwest. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Overall
7.9
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Related info for your journey
Find useful and relevant information for your journey from Islip to Tennessee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Islip to Tennessee
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Tennessee by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Islip to Tennessee by cabin class
Find flights from Islip to Tennessee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Islip and Tennessee flights
Browse other Islip and Tennessee flight options. Last updated on July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Islip to Tennessee flights
Consider these flights traveling from Islip to Tennessee.
Top airline flying from Islip to Tennessee
Discover the top airline that operate flights from Islip to Tennessee. 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 2,558,603 searches. Data last updated July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$256 | Average$398 | FlexibilityNo cancel fee | On-time63% |