$126+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Jun 22 — Jun 291
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Tennessee with Cheapflights
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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 23, 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 23, 2026.
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:13 pm
ISP
- BNA
1 stop27h 29m
Frontier
Mon 9/147:37 pm
BNA
- ISP
1 stop12h 56m
Frontier
Deal found 5/20![Frontier logo]()
$270
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:13 pm
ISP
- BNA
1 stop27h 29m
Frontier
Sun 9/137:37 pm
BNA
- ISP
1 stop12h 56m
Frontier
Deal found 5/20![Frontier logo]()
$276
This Southwest deal was found by Cheapflights users on 5/22. 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.
Wed 8/510:55 am
ISP
- BNA
1 stop6h 25m
Southwest
Wed 8/127:50 am
BNA
- ISP
1 stop6h 05m
Southwest
Deal found 5/22![Southwest logo]()
$291
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:13 pm
ISP
- BNA
1 stop18h 59m
Frontier
Sun 10/186:34 pm
BNA
- ISP
1 stop13h 59m
Frontier
Deal found 5/21![Frontier logo]()
$302
This Mytrip deal was found by Cheapflights users on 5/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:13 pm
ISP
- BNA
1 stop18h 59m
Frontier
Tue 9/2211:10 am
BNA
- ISP
1 stop21h 23m
Frontier
Deal found 5/21![Frontier logo]()
$304
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sat 8/153:15 pm
ISP
- TYS
1 stop4h 05m
Southwest
Wed 8/197:00 am
TYS
- ISP
2 stops7h 55m
Southwest
Deal found 5/22![Southwest logo]()
$310
This Booking.com deal was found by Cheapflights users on 5/19. 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 6/511:00 am
ISP
- BNA
1 stop6h 24m
Frontier
Mon 6/89:35 pm
BNA
- ISP
1 stop17h 21m
Frontier
Deal found 5/19![Frontier logo]()
$323
This Southwest deal was found by Cheapflights users on 5/21. 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.
Thu 7/235:50 pm
ISP
- TYS
1 stop4h 40m
Southwest
Tue 7/288:10 am
TYS
- ISP
1 stop5h 35m
Southwest
Deal found 5/21![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 5/20. 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 7/252:45 pm
ISP
- TYS
1 stop6h 35m
Southwest
Tue 7/288:10 am
TYS
- ISP
1 stop3h 40m
Southwest
Deal found 5/20![Southwest logo]()
$332
This Booking.com deal was found by Cheapflights users on 5/19. 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 9/124:13 pm
ISP
- BNA
1 stop18h 59m
Frontier
Mon 9/147:37 pm
BNA
- ISP
1 stop12h 56m
Frontier
Deal found 5/19![Frontier logo]()
$342
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 6/202:45 pm
ISP
- TYS
1 stop6h 35m
Southwest
Sat 6/278:00 am
TYS
- ISP
1 stop3h 35m
Southwest
Deal found 5/21![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 5/21. 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.
Thu 8/206:10 am
ISP
- TYS
2 stops11h 00m
Southwest
Thu 8/2712:30 pm
TYS
- ISP
2 stops9h 35m
Southwest
Deal found 5/21![Southwest logo]()
$343
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 23, 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 23, 2026.
This Southwest deal was found by Cheapflights users on 5/21. 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 8/196:05 am
ISP
- BNA
2 stops6h 10m
Southwest
Sat 8/225:15 am
BNA
- ISP
2 stops8h 15m
Southwest
Deal found 5/21![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 5/22. 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.
Sat 8/153:15 pm
ISP
- TYS
1 stop4h 05m
Southwest
Wed 8/197:00 am
TYS
- ISP
2 stops7h 55m
Southwest
Deal found 5/22![Southwest logo]()
$310
This Southwest deal was found by Cheapflights users on 5/21. 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.
Thu 7/235:50 pm
ISP
- TYS
1 stop4h 40m
Southwest
Tue 7/288:10 am
TYS
- ISP
1 stop5h 35m
Southwest
Deal found 5/21![Southwest logo]()
$326
This Southwest deal was found by Cheapflights users on 5/20. 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 7/252:45 pm
ISP
- TYS
1 stop6h 35m
Southwest
Tue 7/288:10 am
TYS
- ISP
1 stop3h 40m
Southwest
Deal found 5/20![Southwest logo]()
$332
This KAYAK deal was found by Cheapflights users on 5/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/152:33 pm
ISP
- MEM
3 stops20h 37m
Breeze Airways
Mon 7/207:03 pm
MEM
- ISP
2 stops17h 25m
Breeze Airways
Deal found 5/22![Breeze Airways logo]()
$864
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 6/202:45 pm
ISP
- TYS
1 stop6h 35m
Southwest
Sat 6/278:00 am
TYS
- ISP
1 stop3h 35m
Southwest
Deal found 5/21![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 5/21. 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.
Thu 8/206:10 am
ISP
- TYS
2 stops11h 00m
Southwest
Thu 8/2712:30 pm
TYS
- ISP
2 stops9h 35m
Southwest
Deal found 5/21![Southwest logo]()
$343
This Southwest deal was found by Cheapflights users on 5/21. 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 8/196:05 am
ISP
- BNA
1 stop5h 25m
Southwest
Sun 8/234:10 pm
BNA
- ISP
2 stops5h 25m
Southwest
Deal found 5/21![Southwest logo]()
$354
This Southwest deal was found by Cheapflights users on 5/18. 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 8/612:35 pm
ISP
- BNA
1 stop7h 00m
Southwest
Tue 8/112:15 pm
BNA
- ISP
1 stop5h 50m
Southwest
Deal found 5/18![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 5/19. 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 8/155:30 am
ISP
- BNA
1 stop5h 40m
Southwest
Tue 8/1811:15 am
BNA
- ISP
1 stop4h 40m
Southwest
Deal found 5/19![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 5/20. 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 6/176:25 am
ISP
- BNA
1 stop5h 10m
Southwest
Wed 6/246:35 am
BNA
- ISP
2 stops8h 25m
Southwest
Deal found 5/20![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 5/17. 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 6/195:50 pm
ISP
- BNA
1 stop4h 00m
Southwest
Mon 6/224:55 pm
BNA
- ISP
1 stop5h 45m
Southwest
Deal found 5/17![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 5/20. 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 7/156:00 am
ISP
- MEM
1 stop10h 00m
Southwest
Mon 7/202:35 pm
MEM
- ISP
1 stop8h 00m
Southwest
Deal found 5/20![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 5/21. 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 6/176:25 am
ISP
- BNA
1 stop5h 10m
Southwest
Thu 6/182:55 pm
BNA
- ISP
2 stops7h 40m
Southwest
Deal found 5/21![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 5/18. 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 6/153:05 pm
ISP
- BNA
1 stop4h 55m
Southwest
Mon 6/224:55 pm
BNA
- ISP
1 stop5h 45m
Southwest
Deal found 5/18![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/20. 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 7/152:55 pm
ISP
- MEM
2 stops9h 25m
Southwest
Sun 7/192:25 pm
MEM
- ISP
2 stops8h 10m
Southwest
Deal found 5/20![Southwest logo]()
$449
This Southwest deal was found by Cheapflights users on 5/20. 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 7/105:50 pm
ISP
- MEM
2 stops7h 05m
Southwest
Sun 7/122:25 pm
MEM
- ISP
1 stop8h 50m
Southwest
Deal found 5/20![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 5/21. 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.
Mon 5/2512:30 pm
ISP
- MEM
1 stop6h 15m
Southwest
Fri 5/2912:30 pm
MEM
- ISP
1 stop6h 55m
Southwest
Deal found 5/21![Southwest logo]()
$759
Last-minute flights from Islip to TennesseeDiscover last-minute flight deals from Islip to Tennessee. Data last updated May 23, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Tennessee. Data last updated May 23, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/20. 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.
Sat 5/3011:57 am
ISP
- TYS
2 stops24h 29m
Multiple Airlines
Tue 6/25:00 pm
TYS
- ISP
1 stop17h 05m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$372
This Booking.com deal was found by Cheapflights users on 5/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:02 pm
ISP
- BNA
1 stop23h 22m
Frontier
Wed 6/175:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/21![Frontier logo]()
$353
This Booking.com deal was found by Cheapflights users on 5/19. 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 6/511:00 am
ISP
- BNA
1 stop6h 24m
Frontier
Mon 6/89:35 pm
BNA
- ISP
1 stop17h 21m
Frontier
Deal found 5/19![Frontier logo]()
$323
This Booking.com deal was found by Cheapflights users on 5/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:00 am
ISP
- BNA
1 stop6h 24m
Frontier
Sat 6/65:09 pm
BNA
- ISP
1 stop15h 56m
Frontier
Deal found 5/20![Frontier logo]()
$383
This Booking.com deal was found by Cheapflights users on 5/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:00 am
ISP
- BNA
1 stop6h 24m
Frontier
Wed 6/105:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/22![Frontier logo]()
$378
This Trip.com deal was found by Cheapflights users on 5/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:52 pm
ISP
- BNA
1 stop19h 42m
Frontier
Sat 6/135:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/21![Frontier logo]()
$373
This Booking.com deal was found by Cheapflights users on 5/19. 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 6/119:52 pm
ISP
- BNA
1 stop19h 42m
Frontier
Mon 6/155:19 pm
BNA
- ISP
1 stop21h 37m
Frontier
Deal found 5/19![Frontier logo]()
$350
This Southwest deal was found by Cheapflights users on 5/21. 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.
Mon 6/155:50 pm
ISP
- TYS
1 stop4h 40m
Southwest
Thu 6/1812:35 pm
TYS
- ISP
1 stop11h 05m
Southwest
Deal found 5/21![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 5/20. 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 6/176:25 am
ISP
- BNA
1 stop5h 10m
Southwest
Wed 6/243:00 pm
BNA
- ISP
1 stop6h 35m
Southwest
Deal found 5/20![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 5/21. 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 6/176:25 am
ISP
- BNA
1 stop5h 10m
Southwest
Thu 6/188:30 pm
BNA
- ISP
1 stop10h 50m
Southwest
Deal found 5/21![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 5/21. 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.
Sat 6/202:45 pm
ISP
- TYS
1 stop6h 35m
Southwest
Sat 6/278:00 am
TYS
- ISP
1 stop3h 35m
Southwest
Deal found 5/21![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 5/20. 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 6/255:50 pm
ISP
- BNA
2 stops7h 05m
Southwest
Sun 6/285:15 am
BNA
- ISP
1 stop5h 30m
Southwest
Deal found 5/20![Southwest logo]()
$412
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 23, 2026.
Search for one-way flight options from Islip to Tennessee. Find affordable one-way fares based on user searches. Data last updated May 23, 2026.
This Mytrip deal was found by Cheapflights users on 5/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/134:13 pm
ISP
- BNA
1 stop18h 59m
Frontier
Deal found 5/21![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 5/18. 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 8/110:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Deal found 5/18![Frontier logo]()
$135
This Southwest deal was found by Cheapflights users on 5/19. 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 6/162:55 pm
ISP
- TYS
1 stop6h 20m
Southwest
Deal found 5/19![Southwest logo]()
$154
This Trip.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/219:52 pm
ISP
- TYS
1 stop25h 46m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/159:52 pm
ISP
- BNA
2 stops38h 32m
Frontier
Deal found 5/18![Frontier logo]()
$174
This Southwest deal was found by Cheapflights users on 5/21. 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.
Tue 10/1310:10 am
ISP
- BNA
2 stops8h 15m
Southwest
Deal found 5/21![Southwest logo]()
$179
This Frontier deal was found by Cheapflights users on 5/18. 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 7/910:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Deal found 5/18![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 5/18. 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 8/310:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Deal found 5/18![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 5/18. 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 7/810:48 am
ISP
- BNA
1 stop6h 35m
Frontier
Deal found 5/18![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 5/21. 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 7/175:50 pm
ISP
- BNA
1 stop4h 00m
Southwest
Deal found 5/21![Southwest logo]()
$204
This Priceline deal was found by Cheapflights users on 5/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2711:00 am
ISP
- BNA
1 stop6h 24m
Frontier
Deal found 5/21![Frontier logo]()
$205
This Southwest deal was found by Cheapflights users on 5/18. 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 6/153:05 pm
ISP
- BNA
1 stop4h 55m
Southwest
Deal found 5/18![Southwest logo]()
$214
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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Booking.com) |
One-way from | $126 (Mytrip) |
Popular in | March |
Cheapest in | January |
Average price | $307 |
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 23, 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
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Wed 8/19
6:05 am-11:15 am
2 stops6h 10m
Nashville Intl
Sat 8/22
5:15 am-2:30 pm
2 stops8h 15m
$301
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Sat 8/15
3:15 pm-7:20 pm
1 stop4h 05m
Knoxville McGhee Tyson
Wed 8/19
7:00 am-2:55 pm
2 stops7h 55m
$310
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
8:10 am-1:45 pm
1 stop5h 35m
$326
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Sat 7/25
2:45 pm-9:20 pm
1 stop6h 35m
Knoxville McGhee Tyson
Tue 7/28
8:10 am-11:50 am
1 stop3h 40m
$332
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Sat 6/20
2:45 pm-9:20 pm
1 stop6h 35m
Knoxville McGhee Tyson
Sat 6/27
8:00 am-11:35 am
1 stop3h 35m
$342
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Thu 8/20
6:10 am-5:10 pm
2 stops11h 00m
Knoxville McGhee Tyson
Thu 8/27
12:30 pm-10:05 pm
2 stops9h 35m
$343
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Wed 8/19
6:05 am-10:30 am
1 stop5h 25m
Nashville Intl
Sun 8/23
4:10 pm-10:35 pm
2 stops5h 25m
$354
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Thu 8/6
12:35 pm-6:35 pm
1 stop7h 00m
Nashville Intl
Tue 8/11
2:15 pm-9:05 pm
1 stop5h 50m
$364
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Sat 8/15
5:30 am-10:10 am
1 stop5h 40m
Nashville Intl
Tue 8/18
11:15 am-4:55 pm
1 stop4h 40m
$364
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Wed 6/17
6:25 am-10:35 am
1 stop5h 10m
Nashville Intl
Wed 6/24
6:35 am-4:00 pm
2 stops8h 25m
$384
Showing 1-10 of 37 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-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-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 23, 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.
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
7.9
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
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 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$385 | FlexibilityNo cancel fee | On-time63% |