$117+ Cheap flights from Tennessee to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — BOI
Oct 22 — Oct 291
Round-trip
1 adult, Economy
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Cheapest flights from Tennessee to IdahoExplore the most affordable flight options available from Tennessee to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
Explore the most affordable flight options available from Tennessee to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/1510:25 pm -
1 stop13h 55m
Wed 10/214:40 pm -
1 stop6h 55m
Deal found 9/17![Southwest logo]()
$226
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/296:25 pm -
1 stop8h 20m
Mon 11/28:30 pm -
1 stop7h 30m
Deal found 9/17![Southwest logo]()
$233
This Southwest deal was found by Cheapflights users on 9/17. 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 10/235:15 am -
1 stop7h 05m
Sun 10/253:30 pm -
1 stop7h 05m
Deal found 9/17![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:43 am -
1 stop9h 04m
Tue 10/273:36 pm -
1 stop7h 23m
Deal found 9/20![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 am -
2 stops9h 22m
Sat 10/173:24 pm -
1 stop8h 02m
Deal found 9/22![American Airlines logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop9h 23m
Mon 10/269:12 am -
1 stop7h 23m
Deal found 9/20![Alaska Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 9/18. 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.
Wed 10/215:40 am -
1 stop7h 00m
Mon 10/2612:45 pm -
2 stops11h 15m
Deal found 9/18![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:32 pm -
1 stop6h 27m
Mon 10/2611:32 am -
1 stop5h 33m
Deal found 9/20![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:00 am -
1 stop9h 05m
Sat 11/146:36 am -
1 stop6h 45m
Deal found 9/19![American Airlines logo]()
$341
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop7h 28m
Sat 11/1410:35 am -
2 stops11h 24m
Deal found 9/19![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:10 pm -
2 stops9h 00m
Sat 11/141:11 pm -
2 stops9h 01m
Deal found 9/19![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:52 pm -
1 stop7h 51m
Tue 12/81:35 pm -
1 stop6h 58m
Deal found 9/18![American Airlines logo]()
$359
Best flights from Tennessee to IdahoDiscover carefully curated flight deals from Tennessee to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
Discover carefully curated flight deals from Tennessee to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/1510:25 pm -
1 stop13h 55m
Wed 10/214:40 pm -
1 stop6h 55m
Deal found 9/17![Southwest logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
1 stop9h 23m
Thu 10/2912:58 pm -
1 stop10h 01m
Deal found 9/17![Alaska Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:25 pm -
1 stop5h 45m
Sun 11/223:38 pm -
1 stop7h 38m
Deal found 9/20![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:00 am -
1 stop7h 28m
Sat 11/1410:35 am -
2 stops11h 24m
Deal found 9/19![United Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:52 pm -
1 stop7h 51m
Tue 12/81:35 pm -
1 stop6h 58m
Deal found 9/18![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/21. 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 12/86:25 am -
2 stops8h 50m
Thu 12/103:30 pm -
1 stop5h 40m
Deal found 9/21![Southwest logo]()
$326
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:10 pm -
2 stops9h 00m
Sat 11/141:11 pm -
2 stops9h 01m
Deal found 9/19![Delta logo]()
$351
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 am -
1 stop9h 09m
Wed 11/41:35 pm -
1 stop8h 01m
Deal found 9/18![American Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
2 stops8h 45m
Sun 11/812:31 pm -
1 stop6h 44m
Deal found 9/18![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/18. 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 12/144:15 pm -
1 stop8h 15m
Wed 12/167:55 am -
1 stop5h 35m
Deal found 9/18![Southwest logo]()
$363
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:05 am -
2 stops12h 12m
Tue 12/85:35 am -
2 stops12h 19m
Deal found 9/18![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:06 am -
1 stop7h 45m
Wed 11/112:41 pm -
1 stop7h 01m
Deal found 9/18![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
2 stops12h 16m
Sat 10/2410:35 am -
2 stops11h 38m
Deal found 9/21![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 9/18. 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.
Tue 10/274:20 pm -
2 stops9h 35m
Sat 10/316:00 am -
2 stops11h 40m
Deal found 9/18![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:15 am -
1 stop6h 20m
Sun 11/84:00 pm -
1 stop6h 56m
Deal found 9/17![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 9/17. 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.
Tue 1/1212:25 pm -
2 stops10h 05m
Mon 1/181:45 pm -
1 stop7h 10m
Deal found 9/17![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop7h 28m
Sat 10/2410:35 am -
2 stops8h 26m
Deal found 9/19![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 9/21. 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 12/116:05 am -
1 stop5h 35m
Mon 12/1411:40 am -
2 stops8h 35m
Deal found 9/21![Southwest logo]()
$380
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/193:25 pm -
1 stop8h 27m
Mon 11/303:38 pm -
1 stop7h 38m
Deal found 9/20![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:15 am -
2 stops10h 09m
Thu 10/292:35 pm -
1 stop5h 57m
Deal found 9/19![United Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 9/17. 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.
Sun 10/2510:35 pm -
2 stops13h 45m
Thu 10/294:45 pm -
1 stop6h 25m
Deal found 9/17![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop7h 24m
Mon 10/262:35 pm -
1 stop5h 58m
Deal found 9/21![United Airlines logo]()
$461
This Southwest deal was found by Cheapflights users on 9/21. 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 10/284:20 pm -
2 stops9h 35m
Fri 10/306:10 am -
2 stops8h 45m
Deal found 9/21![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 9/21. 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 12/177:45 pm -
1 stop6h 40m
Mon 12/213:10 pm -
2 stops12h 50m
Deal found 9/21![Southwest logo]()
$385
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/238:36 am -
1 stop5h 59m
Tue 1/262:35 pm -
1 stop5h 39m
Deal found 9/18![United Airlines logo]()
$469
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:01 am -
1 stop7h 27m
Wed 10/71:39 pm -
1 stop8h 47m
Deal found 9/18![American Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/268:36 am -
1 stop5h 59m
Sat 1/302:35 pm -
1 stop5h 39m
Deal found 9/21![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 9/18. 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 2/45:30 am -
1 stop6h 30m
Sun 2/74:05 pm -
1 stop4h 50m
Deal found 9/18![Southwest logo]()
$415
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:30 am -
1 stop8h 08m
Sun 9/273:19 pm -
1 stop6h 52m
Deal found 9/20![Delta logo]()
$625
This United Airlines deal was found by Cheapflights users on 9/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:00 am -
1 stop6h 24m
Wed 10/212:28 pm -
1 stop5h 46m
Deal found 9/22![United Airlines logo]()
$471
Last-minute flights from Tennessee to IdahoDiscover last-minute flight deals from Tennessee to Idaho. Data last updated September 22, 2026 and is based on user searches.
Discover last-minute flight deals from Tennessee to Idaho. Data last updated September 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 am -
2 stops9h 22m
Sat 10/173:24 pm -
1 stop8h 02m
Deal found 9/22![American Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/1510:25 pm -
1 stop13h 55m
Wed 10/214:40 pm -
1 stop6h 55m
Deal found 9/17![Southwest logo]()
$226
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:43 am -
1 stop9h 04m
Sat 10/243:00 pm -
1 stop6h 07m
Deal found 9/20![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop7h 24m
Sat 10/242:41 pm -
1 stop6h 37m
Deal found 9/19![American Airlines logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
1 stop9h 23m
Mon 10/269:12 am -
1 stop7h 23m
Deal found 9/20![Alaska Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 9/18. 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.
Wed 10/215:40 am -
1 stop7h 00m
Mon 10/2612:45 pm -
2 stops11h 15m
Deal found 9/18![Southwest logo]()
$326
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:30 am -
1 stop9h 03m
Fri 10/233:24 pm -
1 stop6h 35m
Deal found 9/21![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 9/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:32 pm -
1 stop6h 27m
Mon 10/2611:32 am -
1 stop5h 33m
Deal found 9/20![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 9/17. 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 10/235:15 am -
1 stop7h 05m
Sun 10/253:30 pm -
1 stop7h 05m
Deal found 9/17![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:45 am -
2 stops9h 00m
Sat 10/316:30 am -
1 stop7h 34m
Deal found 9/18![United Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 9/18. 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.
Tue 10/274:20 pm -
2 stops9h 35m
Sat 10/316:00 am -
2 stops11h 40m
Deal found 9/18![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/296:25 pm -
1 stop8h 20m
Mon 11/28:30 pm -
1 stop7h 30m
Deal found 9/17![Southwest logo]()
$233
One-way flights from Tennessee to IdahoSearch for one-way flight options from Tennessee to Idaho. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
Search for one-way flight options from Tennessee to Idaho. Find affordable one-way fares based on user searches. Data last updated September 22, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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.
Thu 10/296:25 pm -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 9/17. 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.
Mon 11/96:10 pm -
2 stops8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$139
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:00 am -
1 stop7h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:05 am -
1 stop8h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$165
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:32 pm -
1 stop6h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$180
This Southwest deal was found by Cheapflights users on 9/21. 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 11/215:15 pm -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$187
This American Airlines deal was found by Cheapflights users on 9/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am -
1 stop7h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:29 pm -
1 stop17h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Allegiant Air logo]()
$194
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/256:50 am -
1 stop7h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$194
This Southwest deal was found by Cheapflights users on 9/21. 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 10/1910:55 pm -
2 stops13h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$211
This American Airlines deal was found by Cheapflights users on 9/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:25 pm -
1 stop7h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![American Airlines logo]()
$214
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:50 am -
1 stop6h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![American Airlines logo]()
$214
Find flight deals from Tennessee to Idaho
Keep the following information in mind while searching for Tennessee to Idaho flight deals. Data was last updated September 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $226 (Southwest) |
One-way from | $117 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $393 |
Cheapflights Fare Finder
Customize your flight search to find flights from Tennessee to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 22, 2026.
Use the filters below to find and compare flights from Tennessee to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Thu 10/29
5:15 am-1:20 pm
2 stops9h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$122
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Mon 11/9
6:10 pm-1:30 am
2 stops8h 20m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$139
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Tue 10/20
6:32 pm-11:59 pm
1 stop6h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Wed 10/21
6:32 pm-11:59 pm
1 stop6h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Mon 11/9
5:05 am-12:37 pm
1 stop8h 32m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$165
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Fri 10/16
6:32 pm-11:59 pm
1 stop6h 27m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$180
MemphisBoise
MEM Memphis - BOI Boise Air Term. Gowen Fld
MEMBOI
Memphis
Sat 11/21
5:15 pm-1:40 am
2 stops9h 25m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$187
KnoxvilleIdaho Falls
TYS Knoxville McGhee Tyson - IDA Idaho Falls Fanning Field
TYSIDA
Knoxville McGhee Tyson
Sun 11/1
9:29 pm-12:36 pm
1 stop17h 07m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$194
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Thu 12/24
6:25 pm-11:37 pm
1 stop7h 12m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$214
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Fri 10/16
5:15 am-1:20 pm
2 stops9h 05m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$215
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Tennessee to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Tennessee with our price prediction graph.
BNA-BOI
TYS-BOI
BNA-IDA
MEM-IDA
CHA-BOI
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 Tennessee to Idaho
USTN-USID
BNA-BOI
TYS-BOI
BNA-IDA
MEM-IDA
What is the cheapest month to book a flight from Tennessee to Idaho?
Currently, April is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $398). Flying from Tennessee to Idaho in June is currently the most expensive (average of $542). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Tennessee to Idaho?
Airfare is below average for this route at the moment.
Tennessee to Idaho flights typically cost between $280 and $428 in October.The cheapest round-trip price found within the last 5 days was $226 on Southwest (Oct 15-Oct 21).
How far ahead should I book a flight from Tennessee to Idaho?
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Tennessee to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated September 22, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Tennessee to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Tennessee to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Tennessee to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Tennessee to Idaho by cabin class
Find flights from Tennessee to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Tennessee and Idaho flights
Browse other Tennessee and Idaho flight options. Last updated on September 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Tennessee after your stay in Idaho
Tennessee to Idaho flights
Consider these flights traveling from Tennessee to Idaho.
Top 4 airlines flying from Tennessee to Idaho
Discover the top 4 airlines that operate flights from Tennessee to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$479 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$234 | Average$501 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$270 | Average$516 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$274 | Average$479 | FlexibilityNo cancel fee | On-time63% |