$121+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Jun 12 — Jun 191
Round-trip
1 adult, Economy
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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 May 13, 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 May 13, 2026.
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Mon 6/159:52 pm
ISP
- TYS
1 stop18h 03m
Multiple Airlines
Fri 6/1910:03 pm
TYS
- ISP
1 stop22h 54m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$208
This Booking.com deal was found by Cheapflights users on 5/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:13 pm
ISP
- BNA
1 stop18h 59m
Frontier
Mon 9/147:37 pm
BNA
- ISP
1 stop12h 56m
Frontier
Deal found 5/12![Frontier logo]()
$242
This Mytrip deal was found by Cheapflights users on 5/11. 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.
Mon 8/2410:48 am
ISP
- BNA
1 stop24h 24m
Frontier
Fri 8/285:05 pm
BNA
- ISP
1 stop15h 58m
Frontier
Deal found 5/11![Frontier logo]()
$259
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Fri 7/245:09 pm
BNA
- ISP
1 stop15h 49m
Frontier
Deal found 5/11![Frontier logo]()
$262
This Booking.com deal was found by Cheapflights users on 5/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:13 pm
ISP
- BNA
1 stop27h 29m
Frontier
Sun 9/207:37 pm
BNA
- ISP
1 stop12h 56m
Frontier
Deal found 5/9![Frontier logo]()
$263
This Gotogate deal was found by Cheapflights users on 5/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:48 am
ISP
- BNA
1 stop24h 24m
Frontier
Sun 9/65:05 pm
BNA
- ISP
1 stop15h 58m
Frontier
Deal found 5/11![Frontier logo]()
$324
This Gotogate deal was found by Cheapflights users on 5/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Thu 7/305:09 pm
BNA
- ISP
1 stop15h 49m
Frontier
Deal found 5/12![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 8/1010:48 am
ISP
- TYS
1 stop11h 56m
Multiple Airlines
Fri 8/146:29 pm
TYS
- ISP
1 stop15h 29m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$326
This Booking.com deal was found by Cheapflights users on 5/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2510:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Sun 8/25:09 pm
BNA
- ISP
1 stop15h 49m
Frontier
Deal found 5/11![Frontier logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 5/2811:00 am
ISP
- BNA
2 stops25h 49m
Multiple Airlines
Sun 5/316:00 am
BNA
- ISP
1 stop11h 06m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 5/12. 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 40m
Southwest
Tue 7/288:10 am
TYS
- ISP
1 stop3h 40m
Southwest
Deal found 5/12![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 5/12. 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 8/206:10 am
ISP
- TYS
2 stops11h 00m
Southwest
Mon 8/248:25 am
TYS
- ISP
1 stop4h 10m
Southwest
Deal found 5/12![Southwest logo]()
$338
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 May 13, 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 May 13, 2026.
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Mon 6/159:52 pm
ISP
- TYS
1 stop18h 03m
Multiple Airlines
Fri 6/1910:03 pm
TYS
- ISP
1 stop22h 54m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$208
This Booking.com deal was found by Cheapflights users on 5/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:13 pm
ISP
- BNA
1 stop27h 29m
Frontier
Sun 9/207:37 pm
BNA
- ISP
1 stop12h 56m
Frontier
Deal found 5/9![Frontier logo]()
$263
This Southwest deal was found by Cheapflights users on 5/12. 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 40m
Southwest
Tue 7/2812:45 pm
TYS
- ISP
2 stops9h 50m
Southwest
Deal found 5/12![Southwest logo]()
$337
This Southwest deal was found by Cheapflights users on 5/10. 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 6/135:35 pm
ISP
- TYS
1 stop3h 45m
Southwest
Tue 6/168:10 am
TYS
- ISP
1 stop3h 40m
Southwest
Deal found 5/10![Southwest logo]()
$342
This Booking.com deal was found by Cheapflights users on 5/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/44:13 pm
ISP
- BNA
1 stop18h 59m
Frontier
Thu 10/811:10 am
BNA
- ISP
1 stop21h 23m
Frontier
Deal found 5/10![Frontier logo]()
$347
This Southwest deal was found by Cheapflights users on 5/11. 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 8/206:10 am
ISP
- TYS
2 stops11h 00m
Southwest
Sun 8/238:30 am
TYS
- ISP
1 stop10h 15m
Southwest
Deal found 5/11![Southwest logo]()
$356
This Southwest deal was found by Cheapflights users on 5/12. 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 8/96:20 am
ISP
- TYS
2 stops8h 40m
Southwest
Thu 8/1312:30 pm
TYS
- ISP
2 stops9h 35m
Southwest
Deal found 5/12![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 5/13. 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 6/85:50 pm
ISP
- BNA
2 stops7h 05m
Southwest
Tue 6/93:25 pm
BNA
- ISP
2 stops6h 10m
Southwest
Deal found 5/13![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 5/9. 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.
Fri 9/186:10 am
ISP
- BNA
1 stop4h 20m
Southwest
Tue 9/227:50 am
BNA
- ISP
1 stop6h 05m
Southwest
Deal found 5/9![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 5/11. 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 6/39:00 am
ISP
- BNA
1 stop6h 30m
Southwest
Fri 6/126:05 pm
BNA
- ISP
1 stop4h 30m
Southwest
Deal found 5/11![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 5/12. 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 9/44:05 pm
ISP
- BNA
2 stops7h 35m
Southwest
Tue 9/85:55 am
BNA
- ISP
1 stop8h 00m
Southwest
Deal found 5/12![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 5/9. 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.
Thu 7/96:00 am
ISP
- TYS
2 stops7h 45m
Southwest
Thu 7/1612:35 pm
TYS
- ISP
2 stops11h 00m
Southwest
Deal found 5/9![Southwest logo]()
$387
This Southwest deal was found by Cheapflights users on 5/11. 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
- BNA
2 stops8h 00m
Southwest
Fri 7/242:30 pm
BNA
- ISP
2 stops8h 05m
Southwest
Deal found 5/11![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 5/10. 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 7/99:10 am
ISP
- BNA
2 stops6h 20m
Southwest
Tue 7/143:25 pm
BNA
- ISP
2 stops6h 10m
Southwest
Deal found 5/10![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 5/12. 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 9/114:05 pm
ISP
- BNA
1 stop5h 05m
Southwest
Mon 9/146:15 am
BNA
- ISP
2 stops9h 10m
Southwest
Deal found 5/12![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 5/13. 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 7/156:00 am
ISP
- MEM
1 stop10h 00m
Southwest
Sun 7/1912:15 pm
MEM
- ISP
1 stop10h 20m
Southwest
Deal found 5/13![Southwest logo]()
$458
This Southwest deal was found by Cheapflights users on 5/13. 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 6/1112:30 pm
ISP
- MEM
1 stop5h 00m
Southwest
Wed 6/1711:20 am
MEM
- ISP
1 stop10h 15m
Southwest
Deal found 5/13![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 5/11. 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 5/264:10 pm
ISP
- MEM
2 stops7h 40m
Southwest
Sat 5/3010:05 am
MEM
- ISP
1 stop4h 55m
Southwest
Deal found 5/11![Southwest logo]()
$512
This Southwest deal was found by Cheapflights users on 5/10. 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 6/102:55 pm
ISP
- MEM
2 stops8h 50m
Southwest
Sun 6/142:25 pm
MEM
- ISP
1 stop8h 50m
Southwest
Deal found 5/10![Southwest logo]()
$517
This Southwest deal was found by Cheapflights users on 5/13. 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 5/286:50 am
ISP
- MEM
1 stop9h 40m
Southwest
Sun 5/314:00 pm
MEM
- ISP
1 stop6h 45m
Southwest
Deal found 5/13![Southwest logo]()
$523
Last-minute flights from Islip to TennesseeDiscover last-minute flight deals from Islip to Tennessee. Data last updated May 13, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Tennessee. Data last updated May 13, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 5/9. 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.
Sun 5/244:45 pm
ISP
- TYS
1 stop4h 00m
Southwest
Thu 5/288:05 am
TYS
- ISP
1 stop3h 45m
Southwest
Deal found 5/9![Southwest logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 5/13. 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 5/2811:00 am
ISP
- BNA
2 stops25h 49m
Multiple Airlines
Sun 5/316:00 am
BNA
- ISP
1 stop11h 06m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 5/11. 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 6/39:00 am
ISP
- BNA
1 stop6h 30m
Southwest
Fri 6/126:05 pm
BNA
- ISP
1 stop4h 30m
Southwest
Deal found 5/11![Southwest logo]()
$379
This Southwest deal was found by Cheapflights users on 5/13. 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 6/56:05 pm
ISP
- BNA
1 stop6h 50m
Southwest
Mon 6/84:55 pm
BNA
- ISP
1 stop5h 45m
Southwest
Deal found 5/13![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 5/13. 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 6/85:50 pm
ISP
- BNA
1 stop4h 00m
Southwest
Tue 6/93:00 pm
BNA
- ISP
1 stop6h 35m
Southwest
Deal found 5/13![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 5/9. 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.
Thu 6/115:50 pm
ISP
- TYS
1 stop4h 40m
Southwest
Sun 6/148:00 am
TYS
- ISP
1 stop3h 45m
Southwest
Deal found 5/9![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 5/12. 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 6/119:10 am
ISP
- BNA
2 stops6h 25m
Southwest
Wed 6/173:00 pm
BNA
- ISP
1 stop6h 35m
Southwest
Deal found 5/12![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 5/12. 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 6/116:00 am
ISP
- TYS
2 stops7h 45m
Southwest
Wed 6/1712:45 pm
TYS
- ISP
2 stops9h 50m
Southwest
Deal found 5/12![Southwest logo]()
$432
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Fri 6/129:52 pm
ISP
- BNA
1 stop19h 42m
Frontier
Fri 6/195:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/13![Frontier logo]()
$346
This Southwest deal was found by Cheapflights users on 5/11. 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 6/135:35 pm
ISP
- TYS
1 stop3h 45m
Southwest
Tue 6/168:10 am
TYS
- ISP
1 stop5h 35m
Southwest
Deal found 5/11![Southwest logo]()
$342
This Trip.com deal was found by Cheapflights users on 5/13. 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.
Mon 6/159:52 pm
ISP
- TYS
1 stop18h 03m
Multiple Airlines
Fri 6/1910:03 pm
TYS
- ISP
1 stop22h 54m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$208
This Southwest deal was found by Cheapflights users on 5/12. 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 6/202:45 pm
ISP
- TYS
1 stop6h 35m
Southwest
Sun 6/2112:45 pm
TYS
- ISP
1 stop11h 30m
Southwest
Deal found 5/12![Southwest logo]()
$402
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 May 13, 2026.
Search for one-way flight options from Islip to Tennessee. Find affordable one-way fares based on user searches. Data last updated May 13, 2026.
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:48 am
ISP
- BNA
1 stop24h 24m
Frontier
Deal found 5/9![Frontier logo]()
$121
This Priceline deal was found by Cheapflights users on 5/13. 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 7/1610:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Deal found 5/13![Frontier logo]()
$125
This Southwest deal was found by Cheapflights users on 5/13. 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 6/164:40 pm
ISP
- TYS
1 stop4h 35m
Southwest
Deal found 5/13![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 5/9. 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.
Wed 7/152:55 pm
ISP
- BNA
2 stops8h 00m
Southwest
Deal found 5/9![Southwest logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 5/13. 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.
Tue 6/167:18 pm
ISP
- CHA
3 stops36h 51m
Multiple Airlines
Deal found 5/13![Multiple Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 5/9. 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.
Mon 8/176:10 am
ISP
- BNA
1 stop4h 20m
Southwest
Deal found 5/9![Southwest logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2811:56 am
ISP
- MEM
3 stops45h 03m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$198
This Priceline deal was found by Cheapflights users on 5/12. 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.
Mon 7/2010:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Deal found 5/12![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 5/12. 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 7/205:50 pm
ISP
- BNA
2 stops7h 05m
Southwest
Deal found 5/12![Southwest logo]()
$209
This Southwest deal was found by Cheapflights users on 5/9. 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 7/286:25 am
ISP
- MEM
1 stop5h 20m
Southwest
Deal found 5/9![Southwest logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 5/12. 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 5/292:28 pm
ISP
- MEM
2 stops44h 52m
Breeze Airways
Deal found 5/12![Breeze Airways logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:57 am
ISP
- BNA
3 stops32h 32m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$238
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 May 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $208 (Trip.com) |
One-way from | $121 (Expedia) |
Popular in | March |
Cheapest in | January |
Average price | $306 |
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 May 13, 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
Mon 6/15
9:52 pm-3:55 pm
1 stop18h 03m
Knoxville McGhee Tyson
Fri 6/19
10:03 pm-8:57 pm
1 stop22h 54m
$208
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Thu 9/17
4:13 pm-6:42 pm
1 stop27h 29m
Nashville Intl
Sun 9/20
7:37 pm-9:33 am
1 stop12h 56m
$263
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Thu 7/23
5:50 pm-10:30 pm
1 stop4h 40m
Knoxville McGhee Tyson
Tue 7/28
12:45 pm-10:35 pm
2 stops9h 50m
$337
Quickest round-trip
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Sat 6/13
5:35 pm-9:20 pm
1 stop3h 45m
Knoxville McGhee Tyson
Tue 6/16
8:10 am-11:50 am
1 stop3h 40m
$342
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Sun 10/4
4:13 pm-10:12 am
1 stop18h 59m
Nashville Intl
Thu 10/8
11:10 am-9:33 am
1 stop21h 23m
$347
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Thu 8/20
6:10 am-5:10 pm
2 stops11h 00m
Knoxville McGhee Tyson
Sun 8/23
8:30 am-6:45 pm
1 stop10h 15m
$356
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Sun 8/9
6:20 am-3:00 pm
2 stops8h 40m
Knoxville McGhee Tyson
Thu 8/13
12:30 pm-10:05 pm
2 stops9h 35m
$365
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Mon 6/8
5:50 pm-11:55 pm
2 stops7h 05m
Nashville Intl
Tue 6/9
3:25 pm-10:35 pm
2 stops6h 10m
$374
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Fri 9/18
6:10 am-9:30 am
1 stop4h 20m
Nashville Intl
Tue 9/22
7:50 am-2:55 pm
1 stop6h 05m
$379
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Wed 6/3
9:00 am-2:30 pm
1 stop6h 30m
Nashville Intl
Fri 6/12
6:05 pm-11:35 pm
1 stop4h 30m
$379
Showing 1-10 of 39 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-BNA
ISP-TYS
ISP-CHA
ISP-MEM
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-BNA
ISP-TYS
ISP-CHA
ISP-MEM
How much does it cost to fly round-trip from Islip, New York to Tennessee?
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 May 13, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
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Alternative routes for Islip to Tennessee
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Complete your trip
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Islip and Tennessee flights
Browse other Islip and Tennessee flight options. Last updated on May 13, 2026.
Popular flight searches
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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 May 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$370 | FlexibilityNo cancel fee | On-time63% |