$145+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BNA
Jul 1 — Jul 81
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 June 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 June 1, 2026.
This Southwest deal was found by Cheapflights users on 6/1. 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 8/146:45 am
ISP
- BNA
1 stop7h 30m
Southwest
Mon 8/175:00 am
BNA
- ISP
1 stop5h 55m
Southwest
Deal found 6/1![Southwest logo]()
$291
This Booking.com deal was found by Cheapflights users on 5/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:13 pm
ISP
- BNA
1 stop18h 59m
Frontier
Mon 9/287:37 pm
BNA
- ISP
1 stop12h 56m
Frontier
Deal found 5/30![Frontier logo]()
$296
This Booking.com deal was found by Cheapflights users on 5/29. 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 Booking.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
Wed 6/175:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/29![Frontier logo]()
$302
This Southwest deal was found by Cheapflights users on 5/29. 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 7/82:55 pm
ISP
- TYS
1 stop6h 25m
Southwest
Wed 7/158:10 am
TYS
- ISP
1 stop5h 35m
Southwest
Deal found 5/29![Southwest logo]()
$307
This Mytrip deal was found by Cheapflights users on 5/29. 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 Mytrip 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
Mon 6/155:19 pm
BNA
- ISP
1 stop21h 37m
Frontier
Deal found 5/29![Frontier logo]()
$320
This Southwest deal was found by Cheapflights users on 5/29. 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.
Fri 8/74:05 pm
ISP
- BNA
1 stop5h 05m
Southwest
Tue 8/115:55 am
BNA
- ISP
1 stop8h 00m
Southwest
Deal found 5/29![Southwest logo]()
$321
This Booking.com deal was found by Cheapflights users on 5/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:52 pm
ISP
- BNA
1 stop19h 42m
Frontier
Thu 6/185:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/30![Frontier logo]()
$323
This Southwest deal was found by Cheapflights users on 5/28. 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 8/196:05 am
ISP
- BNA
1 stop5h 25m
Southwest
Sun 8/234:10 pm
BNA
- ISP
2 stops5h 25m
Southwest
Deal found 5/28![Southwest logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 5/30. 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.
Fri 7/1010:57 am
ISP
- TYS
1 stop10h 18m
Multiple Airlines
Sun 7/126:54 pm
TYS
- ISP
2 stops18h 34m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$329
This Booking.com deal was found by Cheapflights users on 5/31. 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 6/164:41 pm
ISP
- BNA
1 stop24h 53m
Frontier
Sat 6/205:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/31![Frontier logo]()
$333
This Southwest deal was found by Cheapflights users on 5/27. 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.
Sat 8/153:15 pm
ISP
- TYS
1 stop4h 05m
Southwest
Sat 8/227:50 am
TYS
- ISP
1 stop4h 15m
Southwest
Deal found 5/27![Southwest logo]()
$333
This Mytrip deal was found by Cheapflights users on 5/28. 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 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 5/28![Frontier logo]()
$344
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 June 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 June 1, 2026.
This Southwest deal was found by Cheapflights users on 5/27. 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 8/1812:55 pm
ISP
- TYS
1 stop6h 55m
Southwest
Tue 8/258:00 am
TYS
- ISP
1 stop4h 10m
Southwest
Deal found 5/27![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 5/30. 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 8/214:05 pm
ISP
- TYS
1 stop3h 50m
Southwest
Mon 8/2412:35 pm
TYS
- ISP
2 stops9h 30m
Southwest
Deal found 5/30![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 5/28. 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 8/246:10 am
ISP
- BNA
1 stop4h 20m
Southwest
Fri 8/2811:05 am
BNA
- ISP
2 stops10h 00m
Southwest
Deal found 5/28![Southwest logo]()
$354
This KAYAK deal was found by Cheapflights users on 5/30. 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 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 7/207:03 pm
MEM
- ISP
2 stops17h 25m
Breeze Airways
Deal found 5/30![Breeze Airways logo]()
$809
This Southwest deal was found by Cheapflights users on 5/31. 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
- TYS
1 stop4h 45m
Southwest
Thu 7/2312:35 pm
TYS
- ISP
1 stop11h 10m
Southwest
Deal found 5/31![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 5/30. 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 6/272:45 pm
ISP
- BNA
1 stop4h 50m
Southwest
Sat 7/45:20 am
BNA
- ISP
2 stops7h 30m
Southwest
Deal found 5/30![Southwest logo]()
$364
This Southwest deal was found by Cheapflights users on 5/27. 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 6/263:05 pm
ISP
- TYS
1 stop7h 25m
Southwest
Mon 6/297:30 am
TYS
- ISP
1 stop4h 20m
Southwest
Deal found 5/27![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 5/28. 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.
Thu 7/165:50 pm
ISP
- TYS
1 stop4h 45m
Southwest
Sun 7/198:00 am
TYS
- ISP
1 stop3h 45m
Southwest
Deal found 5/28![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 5/28. 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 7/246:00 am
ISP
- TYS
2 stops7h 45m
Southwest
Sun 7/268:00 am
TYS
- ISP
1 stop3h 45m
Southwest
Deal found 5/28![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 5/28. 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 9/410:20 am
ISP
- BNA
2 stops5h 45m
Southwest
Sun 9/66:50 am
BNA
- ISP
1 stop7h 55m
Southwest
Deal found 5/28![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 5/30. 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.
Mon 10/56:00 am
ISP
- TYS
2 stops10h 45m
Southwest
Thu 10/88:15 am
TYS
- ISP
1 stop9h 05m
Southwest
Deal found 5/30![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 5/31. 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 8/66:45 am
ISP
- BNA
1 stop7h 30m
Southwest
Sun 8/96:05 am
BNA
- ISP
1 stop8h 50m
Southwest
Deal found 5/31![Southwest logo]()
$399
This Southwest deal was found by Cheapflights users on 5/31. 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 7/25:50 pm
ISP
- BNA
1 stop4h 00m
Southwest
Mon 7/206:05 pm
BNA
- ISP
1 stop4h 35m
Southwest
Deal found 5/31![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 5/29. 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 11/255:55 pm
ISP
- BNA
1 stop7h 00m
Southwest
Mon 11/305:15 pm
BNA
- ISP
1 stop5h 15m
Southwest
Deal found 5/29![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 5/29. 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 7/239:10 am
ISP
- BNA
2 stops6h 25m
Southwest
Sat 7/251:30 pm
BNA
- ISP
1 stop8h 30m
Southwest
Deal found 5/29![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 5/31. 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 9/2112:35 pm
ISP
- MEM
1 stop6h 15m
Southwest
Mon 9/2811:20 am
MEM
- ISP
1 stop4h 05m
Southwest
Deal found 5/31![Southwest logo]()
$413
This Southwest deal was found by Cheapflights users on 5/28. 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 7/203:05 pm
ISP
- BNA
2 stops7h 35m
Southwest
Thu 7/232:55 pm
BNA
- ISP
2 stops7h 45m
Southwest
Deal found 5/28![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/30. 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 7/126:45 am
ISP
- BNA
1 stop7h 50m
Southwest
Mon 7/206:05 pm
BNA
- ISP
1 stop4h 35m
Southwest
Deal found 5/30![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/27. 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 9/1810:20 am
ISP
- BNA
2 stops5h 45m
Southwest
Sun 9/2010:50 am
BNA
- ISP
2 stops6h 55m
Southwest
Deal found 5/27![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 5/28. 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.
Tue 7/76:00 am
ISP
- MEM
1 stop10h 00m
Southwest
Thu 7/92:35 pm
MEM
- ISP
1 stop8h 05m
Southwest
Deal found 5/28![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 5/30. 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 6/2612:30 pm
ISP
- MEM
1 stop5h 00m
Southwest
Sun 6/2812:15 pm
MEM
- ISP
1 stop4h 05m
Southwest
Deal found 5/30![Southwest logo]()
$496
This Southwest deal was found by Cheapflights users on 5/28. 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 6/1212:30 pm
ISP
- MEM
1 stop5h 00m
Southwest
Tue 6/1612:55 pm
MEM
- ISP
2 stops8h 40m
Southwest
Deal found 5/28![Southwest logo]()
$512
Last-minute flights from Islip to TennesseeDiscover last-minute flight deals from Islip to Tennessee. Data last updated June 1, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Tennessee. Data last updated June 1, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 5/29. 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 Booking.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
Wed 6/175:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/29![Frontier logo]()
$302
This Mytrip deal was found by Cheapflights users on 5/29. 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 Mytrip 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
Mon 6/155:19 pm
BNA
- ISP
1 stop21h 37m
Frontier
Deal found 5/29![Frontier logo]()
$320
This Booking.com deal was found by Cheapflights users on 5/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/149:52 pm
ISP
- BNA
1 stop19h 42m
Frontier
Thu 6/185:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/30![Frontier logo]()
$323
This Booking.com deal was found by Cheapflights users on 5/31. 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 6/164:41 pm
ISP
- BNA
1 stop24h 53m
Frontier
Sat 6/205:19 pm
BNA
- ISP
1 stop26h 38m
Frontier
Deal found 5/31![Frontier logo]()
$333
This Southwest deal was found by Cheapflights users on 5/27. 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 6/263:05 pm
ISP
- TYS
1 stop7h 25m
Southwest
Mon 6/297:30 am
TYS
- ISP
1 stop4h 20m
Southwest
Deal found 5/27![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 5/30. 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 6/272:45 pm
ISP
- BNA
1 stop4h 50m
Southwest
Sat 7/46:20 am
BNA
- ISP
1 stop6h 30m
Southwest
Deal found 5/30![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 5/30. 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 6/275:35 pm
ISP
- TYS
1 stop3h 45m
Southwest
Sat 7/48:00 am
TYS
- ISP
1 stop3h 35m
Southwest
Deal found 5/30![Southwest logo]()
$377
This Southwest deal was found by Cheapflights users on 5/29. 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 7/82:55 pm
ISP
- TYS
1 stop6h 25m
Southwest
Wed 7/158:10 am
TYS
- ISP
1 stop5h 35m
Southwest
Deal found 5/29![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 5/30. 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.
Fri 7/1010:57 am
ISP
- TYS
1 stop10h 18m
Multiple Airlines
Sun 7/126:54 pm
TYS
- ISP
2 stops18h 34m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 5/31. 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
- TYS
1 stop4h 45m
Southwest
Thu 7/2312:35 pm
TYS
- ISP
1 stop11h 10m
Southwest
Deal found 5/31![Southwest logo]()
$362
This Gotogate deal was found by Cheapflights users on 5/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Thu 7/235:05 pm
BNA
- ISP
1 stop15h 48m
Frontier
Deal found 5/28![Frontier logo]()
$368
This Booking.com deal was found by Cheapflights users on 5/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2710:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Thu 7/305:05 pm
BNA
- ISP
1 stop15h 48m
Frontier
Deal found 5/28![Frontier logo]()
$372
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 June 1, 2026.
Search for one-way flight options from Islip to Tennessee. Find affordable one-way fares based on user searches. Data last updated June 1, 2026.
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/289:52 pm
ISP
- BNA
1 stop19h 42m
Frontier
Deal found 5/28![Frontier logo]()
$145
This Trip.com deal was found by Cheapflights users on 5/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:52 pm
ISP
- BNA
1 stop19h 42m
Frontier
Deal found 5/30![Frontier logo]()
$166
This Frontier deal was found by Cheapflights users on 5/31. 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 6/711:00 am
ISP
- BNA
1 stop6h 24m
Frontier
Deal found 5/31![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 5/30. 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 8/3010:48 am
ISP
- MEM
1 stop8h 27m
Frontier
Deal found 5/30![Frontier logo]()
$200
This Southwest deal was found by Cheapflights users on 5/29. 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.
Sun 7/196:45 am
ISP
- BNA
1 stop7h 50m
Southwest
Deal found 5/29![Southwest logo]()
$204
This Southwest deal was found by Cheapflights users on 5/31. 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 7/126:45 am
ISP
- BNA
1 stop7h 50m
Southwest
Deal found 5/31![Southwest logo]()
$214
This Southwest deal was found by Cheapflights users on 5/30. 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 6/259:10 am
ISP
- BNA
2 stops6h 25m
Southwest
Deal found 5/30![Southwest logo]()
$219
This Frontier deal was found by Cheapflights users on 5/29. 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 8/1910:48 am
ISP
- BNA
1 stop6h 32m
Frontier
Deal found 5/29![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 5/31. 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 8/310:57 am
ISP
- BNA
1 stop6h 08m
Frontier
Deal found 5/31![Frontier logo]()
$225
This JetBlue deal was found by Cheapflights users on 5/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:00 am
ISP
- BNA
1 stop8h 32m
JetBlue
Deal found 5/31![JetBlue logo]()
$227
This JetBlue deal was found by Cheapflights users on 5/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 am
ISP
- BNA
1 stop8h 32m
JetBlue
Deal found 5/29![JetBlue logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 5/29. 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 7/197:49 pm
ISP
- BNA
3 stops27h 40m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$239
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 June 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (Southwest) |
One-way from | $145 (Mytrip) |
Popular in | March |
Cheapest in | January |
Average price | $284 |
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 June 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 8/18
12:55 pm-7:50 pm
1 stop6h 55m
Knoxville McGhee Tyson
Tue 8/25
8:00 am-12:10 pm
1 stop4h 10m
$307
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Fri 8/21
4:05 pm-7:55 pm
1 stop3h 50m
Knoxville McGhee Tyson
Mon 8/24
12:35 pm-10:05 pm
2 stops9h 30m
$352
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Mon 8/24
6:10 am-9:30 am
1 stop4h 20m
Nashville Intl
Fri 8/28
11:05 am-10:05 pm
2 stops10h 00m
$354
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Mon 7/20
5:50 pm-10:35 pm
1 stop4h 45m
Knoxville McGhee Tyson
Thu 7/23
12:35 pm-11:45 pm
1 stop11h 10m
$362
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Sat 6/27
2:45 pm-6:35 pm
1 stop4h 50m
Nashville Intl
Sat 7/4
5:20 am-1:50 pm
2 stops7h 30m
$364
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Fri 6/26
3:05 pm-10:30 pm
1 stop7h 25m
Knoxville McGhee Tyson
Mon 6/29
7:30 am-11:50 am
1 stop4h 20m
$372
Quickest round-trip
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Thu 7/16
5:50 pm-10:35 pm
1 stop4h 45m
Knoxville McGhee Tyson
Sun 7/19
8:00 am-11:45 am
1 stop3h 45m
$377
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Fri 7/24
6:00 am-1:45 pm
2 stops7h 45m
Knoxville McGhee Tyson
Sun 7/26
8:00 am-11:45 am
1 stop3h 45m
$382
IslipNashville
ISP - BNA
ISPBNA
Islip Long Island
Fri 9/4
10:20 am-3:05 pm
2 stops5h 45m
Nashville Intl
Sun 9/6
6:50 am-3:45 pm
1 stop7h 55m
$384
IslipKnoxville
ISP - TYS
ISPTYS
Islip Long Island
Mon 10/5
6:00 am-4:45 pm
2 stops10h 45m
Knoxville McGhee Tyson
Thu 10/8
8:15 am-5:20 pm
1 stop9h 05m
$398
Showing 1-10 of 38 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 June 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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 June 1, 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 June 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$243 | Average$387 | FlexibilityNo cancel fee | On-time63% |