$131+ Cheap flights from Tennessee to Idaho
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — BOI
Jul 24 — Jul 311
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 June 24, 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 June 24, 2026.
This Frontier deal was found by Cheapflights users on 6/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:17 pm
BNA
- BOI
1 stop25h 12m
Frontier
Tue 7/211:24 pm
BOI
- BNA
1 stop21h 08m
Frontier
Deal found 6/20![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 6/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:17 pm
BNA
- BOI
1 stop25h 12m
Frontier
Sun 8/91:24 pm
BOI
- BNA
1 stop21h 16m
Frontier
Deal found 6/19![Frontier logo]()
$255
This CheapOair deal was found by Cheapflights users on 6/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:17 pm
BNA
- BOI
1 stop25h 12m
Frontier
Tue 7/141:24 pm
BOI
- BNA
1 stop21h 08m
Frontier
Deal found 6/19![Frontier logo]()
$285
This CheapOair deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:25 pm
BNA
- BOI
1 stop25h 04m
Frontier
Sun 8/161:24 pm
BOI
- BNA
1 stop21h 16m
Frontier
Deal found 6/23![Frontier logo]()
$289
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/35:20 pm
BNA
- GEG
1 stop8h 35m
Delta
Tue 7/71:30 pm
GEG
- BNA
1 stop7h 35m
Delta
Deal found 6/23![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 9/112:37 pm
BNA
- GEG
2 stops10h 09m
United Airlines
Sat 9/56:00 am
GEG
- BNA
1 stop9h 25m
United Airlines
Deal found 6/22![United Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Tue 8/47:11 am
BNA
- GEG
1 stop6h 57m
Delta
Tue 8/116:45 am
GEG
- BNA
1 stop6h 02m
Delta
Deal found 6/23![Delta logo]()
$303
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:59 pm
BNA
- BOI
1 stop8h 59m
Delta
Tue 7/214:00 pm
BOI
- BNA
1 stop7h 33m
Delta
Deal found 6/22![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 10/2811:20 am
BNA
- GEG
2 stops11h 45m
United Airlines
Mon 11/21:49 pm
GEG
- BNA
1 stop5h 44m
United Airlines
Deal found 6/23![United Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 7/113:32 pm
BNA
- BOI
1 stop8h 49m
American Airlines
Sat 7/183:54 pm
BOI
- BNA
1 stop6h 34m
American Airlines
Deal found 6/20![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Tue 8/43:31 pm
BNA
- GEG
2 stops9h 35m
American Airlines
Tue 8/1112:44 pm
GEG
- BNA
1 stop8h 43m
American Airlines
Deal found 6/23![American Airlines logo]()
$308
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Tue 6/305:01 am
BNA
- BOI
1 stop6h 27m
American Airlines
Sat 7/48:11 am
BOI
- BNA
2 stops12h 00m
American Airlines
Deal found 6/23![American Airlines logo]()
$308
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 June 24, 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 June 24, 2026.
This Delta deal was found by Cheapflights users on 6/20. 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.
Wed 8/263:52 pm
BNA
- GEG
1 stop9h 17m
Delta
Tue 9/15:15 am
GEG
- BNA
1 stop8h 38m
Delta
Deal found 6/20![Delta logo]()
$303
This deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:07 pm
BNA
- GEG
1 stop8h 04m
Alaska Airlines
Fri 8/281:27 pm
GEG
- BNA
1 stop8h 25m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 10/2710:44 am
BNA
- JAC
2 stops11h 18m
United Airlines
Fri 10/302:40 pm
JAC
- BNA
1 stop5h 53m
United Airlines
Deal found 6/22![United Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 6/20. 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 8/262:50 pm
BNA
- GEG
2 stops9h 35m
Southwest
Tue 9/11:55 pm
GEG
- BNA
1 stop5h 50m
Southwest
Deal found 6/20![Southwest logo]()
$342
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Fri 9/1110:08 am
CHA
- GEG
2 stops12h 31m
American Airlines
Sat 9/196:30 am
GEG
- CHA
2 stops12h 54m
American Airlines
Deal found 6/21![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:11 am
BNA
- GEG
1 stop6h 57m
Delta
Tue 8/116:45 am
GEG
- BNA
1 stop6h 02m
Delta
Deal found 6/22![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:03 pm
BNA
- BOI
1 stop16h 34m
Alaska Airlines
Mon 8/176:13 pm
BOI
- BNA
1 stop10h 27m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:43 pm
BNA
- GEG
1 stop6h 26m
Delta
Sun 8/166:45 am
GEG
- BNA
1 stop8h 49m
Delta
Deal found 6/22![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
BNA
- BOI
1 stop9h 31m
Alaska Airlines
Wed 8/262:17 pm
BOI
- BNA
1 stop8h 35m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$323
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/18:51 am
MEM
- GEG
1 stop8h 21m
United Airlines
Tue 8/115:00 am
GEG
- MEM
2 stops16h 29m
United Airlines
Deal found 6/20![United Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/36:43 pm
BNA
- GEG
1 stop6h 26m
Delta
Tue 9/85:20 am
GEG
- BNA
1 stop7h 01m
Delta
Deal found 6/23![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 6/21. 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 9/36:15 pm
MEM
- GEG
1 stop5h 45m
Southwest
Tue 9/81:55 pm
GEG
- MEM
1 stop5h 40m
Southwest
Deal found 6/21![Southwest logo]()
$368
This Delta deal was found by Cheapflights users on 6/19. 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.
Wed 8/196:00 am
BNA
- GEG
1 stop8h 57m
Delta
Sun 8/236:45 am
GEG
- BNA
1 stop8h 49m
Delta
Deal found 6/19![Delta logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
BNA
- GEG
1 stop8h 07m
Alaska Airlines
Wed 10/2812:44 pm
GEG
- BNA
1 stop9h 11m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$336
This Southwest deal was found by Cheapflights users on 6/21. 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 8/66:15 pm
MEM
- GEG
1 stop5h 45m
Southwest
Thu 8/276:30 am
GEG
- MEM
1 stop5h 50m
Southwest
Deal found 6/21![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sat 11/79:42 am
BNA
- JAC
2 stops12h 20m
United Airlines
Sat 11/142:40 pm
JAC
- BNA
1 stop5h 53m
United Airlines
Deal found 6/22![United Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/11:27 pm
CHA
- GEG
2 stops12h 39m
American Airlines
Sat 8/85:20 am
GEG
- CHA
2 stops11h 50m
American Airlines
Deal found 6/23![American Airlines logo]()
$435
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” 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.
Tue 7/147:34 pm
BNA
- BOI
1 stop5h 31m
Delta
Tue 7/212:50 pm
BOI
- BNA
1 stop6h 36m
Delta
Deal found 6/24![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 6/22. 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.
Thu 10/85:55 pm
BNA
- BOI
2 stops8h 50m
Southwest
Sun 10/119:30 pm
BOI
- BNA
1 stop6h 40m
Southwest
Deal found 6/22![Southwest logo]()
$381
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:18 am
BNA
- BOI
2 stops11h 19m
United Airlines
Wed 8/262:44 pm
BOI
- BNA
1 stop5h 31m
United Airlines
Deal found 6/20![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 10/26:45 pm
BNA
- BOI
1 stop8h 00m
Southwest
Mon 10/129:45 pm
BOI
- BNA
1 stop6h 25m
Southwest
Deal found 6/23![Southwest logo]()
$384
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:00 am
BNA
- GEG
1 stop7h 40m
Delta
Thu 7/91:30 pm
GEG
- BNA
1 stop7h 35m
Delta
Deal found 6/22![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 8/54:56 pm
TYS
- BOI
1 stop6h 33m
United Airlines
Wed 8/1212:24 pm
BOI
- TYS
1 stop6h 29m
United Airlines
Deal found 6/19![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 6/20. 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 8/204:50 pm
TYS
- BOI
1 stop7h 45m
Southwest
Mon 8/246:00 am
BOI
- TYS
2 stops7h 55m
Southwest
Deal found 6/20![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 6/21. 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 9/46:43 pm
BNA
- BOI
1 stop6h 16m
Delta
Mon 9/75:30 am
BOI
- BNA
1 stop8h 17m
Delta
Deal found 6/21![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:33 pm
MEM
- JAC
1 stop5h 07m
United Airlines
Wed 8/267:00 am
JAC
- MEM
1 stop6h 50m
United Airlines
Deal found 6/20![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 6/19. 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.
Wed 8/51:55 pm
TYS
- BOI
2 stops11h 15m
Southwest
Wed 8/126:00 am
BOI
- TYS
2 stops8h 30m
Southwest
Deal found 6/19![Southwest logo]()
$403
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 7/145:00 am
CHA
- JAC
2 stops12h 35m
American Airlines
Wed 7/223:39 pm
JAC
- CHA
1 stop6h 15m
American Airlines
Deal found 6/21![American Airlines logo]()
$600
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/259:52 am
BNA
- JAC
2 stops8h 57m
United Airlines
Tue 9/12:52 pm
JAC
- BNA
1 stop5h 23m
United Airlines
Deal found 6/22![United Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/114:25 pm
BNA
- BOI
1 stop8h 34m
Delta
Sun 9/1311:10 pm
BOI
- BNA
1 stop8h 15m
Delta
Deal found 6/22![Delta logo]()
$349
Last-minute flights from Tennessee to IdahoDiscover last-minute flight deals from Tennessee to Idaho. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Tennessee to Idaho. Data last updated June 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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.
Tue 6/305:01 am
BNA
- BOI
1 stop6h 27m
American Airlines
Sat 7/48:11 am
BOI
- BNA
2 stops12h 00m
American Airlines
Deal found 6/23![American Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/35:20 pm
BNA
- GEG
1 stop8h 35m
Delta
Tue 7/71:30 pm
GEG
- BNA
1 stop7h 35m
Delta
Deal found 6/23![Delta logo]()
$293
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 7/57:00 am
BNA
- GEG
1 stop7h 37m
United Airlines
Thu 7/97:07 pm
GEG
- BNA
2 stops11h 44m
United Airlines
Deal found 6/22![United Airlines logo]()
$308
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/56:00 am
BNA
- GEG
1 stop7h 40m
Delta
Thu 7/91:30 pm
GEG
- BNA
1 stop7h 35m
Delta
Deal found 6/22![Delta logo]()
$331
This CheapOair deal was found by Cheapflights users on 6/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:17 pm
BNA
- BOI
1 stop25h 12m
Frontier
Tue 7/141:24 pm
BOI
- BNA
1 stop21h 08m
Frontier
Deal found 6/20![Frontier logo]()
$321
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/107:34 pm
BNA
- GEG
1 stop6h 21m
Delta
Mon 7/1310:48 pm
GEG
- BNA
1 stop7h 53m
Delta
Deal found 6/23![Delta logo]()
$303
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 7/113:32 pm
BNA
- BOI
1 stop8h 49m
American Airlines
Sat 7/183:54 pm
BOI
- BNA
1 stop6h 34m
American Airlines
Deal found 6/20![American Airlines logo]()
$307
This CheapOair deal was found by Cheapflights users on 6/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1112:17 pm
BNA
- BOI
1 stop25h 12m
Frontier
Tue 7/141:24 pm
BOI
- BNA
1 stop21h 08m
Frontier
Deal found 6/22![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 6/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1312:17 pm
BNA
- BOI
1 stop25h 12m
Frontier
Tue 7/211:24 pm
BOI
- BNA
1 stop21h 08m
Frontier
Deal found 6/20![Frontier logo]()
$241
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:00 pm
BNA
- BOI
1 stop8h 46m
Delta
Fri 7/1711:10 pm
BOI
- BNA
1 stop8h 31m
Delta
Deal found 6/22![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:59 pm
BNA
- BOI
1 stop8h 59m
Delta
Tue 7/214:00 pm
BOI
- BNA
1 stop7h 33m
Delta
Deal found 6/22![Delta logo]()
$303
This CheapOair deal was found by Cheapflights users on 6/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2212:17 pm
BNA
- BOI
1 stop25h 12m
Frontier
Sun 7/261:24 pm
BOI
- BNA
1 stop21h 08m
Frontier
Deal found 6/19![Frontier logo]()
$312
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 June 24, 2026.
Search for one-way flight options from Tennessee to Idaho. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This CheapOair deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:42 pm
BNA
- BOI
1 stop17h 22m
Frontier
Deal found 6/23![Frontier logo]()
$131
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:00 am
BNA
- GEG
1 stop7h 40m
Delta
Deal found 6/22![Delta logo]()
$142
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:00 pm
BNA
- GEG
1 stop9h 06m
Delta
Deal found 6/22![Delta logo]()
$152
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 8/117:00 am
TYS
- JAC
1 stop6h 13m
United Airlines
Deal found 6/22![United Airlines logo]()
$156
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 9/112:37 pm
BNA
- GEG
2 stops10h 09m
United Airlines
Deal found 6/23![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:28 am
BNA
- BOI
1 stop9h 18m
Delta
Deal found 6/22![Delta logo]()
$160
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:28 am
TYS
- JAC
2 stops10h 27m
Delta
Deal found 6/22![Delta logo]()
$161
This Southwest deal was found by Cheapflights users on 6/20. 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 8/275:40 am
BNA
- BOI
2 stops9h 35m
Southwest
Deal found 6/20![Southwest logo]()
$165
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 8/245:00 am
BNA
- JAC
1 stop6h 12m
American Airlines
Deal found 6/22![American Airlines logo]()
$166
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 8/96:14 am
CHA
- JAC
1 stop5h 58m
American Airlines
Deal found 6/22![American Airlines logo]()
$167
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:43 pm
BNA
- JAC
1 stop21h 48m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 8/199:52 am
BNA
- GEG
2 stops12h 54m
United Airlines
Deal found 6/19![United Airlines logo]()
$174
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 June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (Frontier) |
One-way from | $131 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $548 |
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 2,558,603 searches. Data last updated June 24, 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
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Wed 8/26
3:52 pm-11:09 pm
1 stop9h 17m
Spokane
Tue 9/1
5:15 am-3:53 pm
1 stop8h 38m
$303
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Mon 8/24
5:07 pm-11:11 pm
1 stop8h 04m
Spokane
Fri 8/28
1:27 pm-11:52 pm
1 stop8h 25m
$303
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Tue 8/4
7:11 am-12:08 pm
1 stop6h 57m
Spokane
Tue 8/11
6:45 am-2:47 pm
1 stop6h 02m
$303
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Thu 8/13
6:43 pm-11:09 pm
1 stop6h 26m
Spokane
Sun 8/16
6:45 am-5:34 pm
1 stop8h 49m
$303
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Thu 9/3
6:43 pm-11:09 pm
1 stop6h 26m
Spokane
Tue 9/8
5:20 am-2:21 pm
1 stop7h 01m
$303
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Wed 8/19
6:00 am-12:57 pm
1 stop8h 57m
Spokane
Sun 8/23
6:45 am-5:34 pm
1 stop8h 49m
$303
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
Tue 7/14
7:34 pm-12:05 am
1 stop5h 31m
Boise Air Term. Gowen Fld
Tue 7/21
2:50 pm-10:26 pm
1 stop6h 36m
$303
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
Thu 8/13
6:03 pm-9:37 am
1 stop16h 34m
Boise Air Term. Gowen Fld
Mon 8/17
6:13 pm-5:40 am
1 stop10h 27m
$319
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
Tue 8/25
7:00 am-3:31 pm
1 stop9h 31m
Boise Air Term. Gowen Fld
Wed 8/26
2:17 pm-11:52 pm
1 stop8h 35m
$323
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Sun 7/5
6:00 am-11:40 am
1 stop7h 40m
Spokane
Thu 7/9
1:30 pm-11:05 pm
1 stop7h 35m
$331
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
BNA-GEG
TYS-JAC
BNA-JAC
CHA-JAC
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
BNA-GEG
TYS-JAC
BNA-JAC
What is the cheapest month to book a flight from Tennessee to Idaho?
Currently, February is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $91). Flying from Tennessee to Idaho in June is currently the most expensive (average of $308). 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?
How far ahead should I book a flight from Tennessee to Idaho?
Booking 34 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 June 24, 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.
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
7.9
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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
Toggle through the tabs below to find thousands of 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 June 24, 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 2,558,603 searches. Data last updated June 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$182 | Average$479 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$250 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$270 | Average$523 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$274 | Average$483 | FlexibilityNo cancel fee | On-time63% |