$117+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — BOI
Apr 18 — Apr 251
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 March 19, 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 March 19, 2026.
This Delta deal was found by Cheapflights users on 3/18. 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.
Wed 4/156:00 am
BNA
- GEG
1 stop9h 04m
Delta
Tue 4/215:30 am
GEG
- BNA
1 stop6h 33m
Delta
Deal found 3/18![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/157:22 am
BNA
- GEG
1 stop8h 57m
American Airlines
Tue 4/216:34 am
GEG
- BNA
2 stops11h 26m
American Airlines
Deal found 3/15![American Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 3/17. 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.
Thu 6/47:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Tue 6/91:30 pm
GEG
- BNA
1 stop6h 51m
Delta
Deal found 3/17![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 3/17. 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.
Thu 6/47:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Mon 6/81:00 pm
GEG
- BNA
1 stop9h 02m
Delta
Deal found 3/17![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 3/17. 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.
Thu 4/97:00 am
BNA
- BOI
1 stop7h 05m
Delta
Tue 4/143:23 pm
BOI
- BNA
1 stop6h 29m
Delta
Deal found 3/17![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 3/18. 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 5/14:58 pm
BNA
- GEG
1 stop8h 17m
Delta
Mon 5/411:25 am
GEG
- BNA
2 stops10h 34m
Delta
Deal found 3/18![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/14:58 pm
BNA
- BOI
1 stop8h 19m
Delta
Wed 5/610:41 am
BOI
- BNA
2 stops9h 45m
Delta
Deal found 3/16![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 8/144:30 pm
CHA
- BOI
1 stop8h 02m
Delta
Fri 8/211:43 pm
BOI
- CHA
1 stop6h 25m
Delta
Deal found 3/16![Delta logo]()
$313
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/143:30 pm
BNA
- BOI
1 stop8h 08m
American Airlines
Tue 4/212:14 pm
BOI
- BNA
2 stops8h 19m
American Airlines
Deal found 3/17![American Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 8/42:55 pm
CHA
- BOI
2 stops10h 34m
Delta
Fri 8/1411:30 pm
BOI
- CHA
1 stop8h 19m
Delta
Deal found 3/16![Delta logo]()
$318
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/256:00 am
CHA
- BOI
1 stop9h 03m
American Airlines
Tue 4/286:00 am
BOI
- CHA
1 stop9h 14m
American Airlines
Deal found 3/16![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 4/215:00 am
BNA
- JAC
1 stop8h 41m
American Airlines
Wed 4/221:25 pm
JAC
- BNA
1 stop7h 58m
American Airlines
Deal found 3/18![American Airlines logo]()
$331
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 March 19, 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 March 19, 2026.
This Delta deal was found by Cheapflights users on 3/19. 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.
Thu 6/47:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Tue 6/91:30 pm
GEG
- BNA
1 stop6h 51m
Delta
Deal found 3/19![Delta logo]()
$304
This Southwest deal was found by Cheapflights users on 3/18. 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 6/47:20 pm
BNA
- GEG
1 stop8h 00m
Southwest
Tue 6/92:55 pm
GEG
- BNA
1 stop6h 25m
Southwest
Deal found 3/18![Southwest logo]()
$304
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:00 pm
BNA
- JAC
1 stop5h 58m
United Airlines
Thu 5/72:30 pm
JAC
- BNA
1 stop6h 27m
United Airlines
Deal found 3/17![United Airlines logo]()
$382
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/95:40 am
MEM
- BOI
1 stop8h 23m
American Airlines
Sat 4/111:53 pm
BOI
- MEM
1 stop8h 05m
American Airlines
Deal found 3/15![American Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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.
Fri 4/105:21 pm
BNA
- BOI
1 stop7h 37m
Alaska Airlines
Tue 4/148:28 pm
BOI
- BNA
1 stop8h 12m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 3/19. 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.
Thu 6/47:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Mon 6/811:33 am
GEG
- BNA
1 stop8h 32m
Delta
Deal found 3/19![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 5/14:58 pm
BNA
- BOI
1 stop8h 19m
Delta
Wed 5/68:59 am
BOI
- BNA
2 stops11h 27m
Delta
Deal found 3/14![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/137:20 pm
BNA
- BOI
1 stop6h 40m
Southwest
Mon 4/207:55 pm
BOI
- BNA
1 stop8h 05m
Southwest
Deal found 3/14![Southwest logo]()
$365
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:00 am
BNA
- GEG
2 stops13h 11m
United Airlines
Wed 4/225:05 am
GEG
- BNA
2 stops11h 21m
United Airlines
Deal found 3/17![United Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/115:40 am
MEM
- BOI
2 stops9h 02m
American Airlines
Sat 4/181:29 pm
BOI
- MEM
1 stop9h 30m
American Airlines
Deal found 3/14![American Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 3/17. 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 4/216:00 am
MEM
- BOI
2 stops10h 25m
Southwest
Mon 4/275:30 am
BOI
- MEM
2 stops9h 20m
Southwest
Deal found 3/17![Southwest logo]()
$397
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:30 pm
TYS
- GEG
1 stop7h 41m
United Airlines
Mon 4/275:05 am
GEG
- TYS
1 stop7h 01m
United Airlines
Deal found 3/17![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 3/19. 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.
Tue 4/218:30 am
BNA
- JAC
2 stops11h 31m
Delta
Wed 4/221:09 pm
JAC
- BNA
1 stop7h 17m
Delta
Deal found 3/19![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 5/296:00 am
CHA
- BOI
1 stop7h 26m
American Airlines
Sat 8/13:06 pm
BOI
- CHA
1 stop6h 53m
American Airlines
Deal found 3/14![American Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:23 pm
MEM
- BOI
1 stop6h 54m
United Airlines
Mon 5/42:33 pm
BOI
- MEM
1 stop5h 21m
United Airlines
Deal found 3/17![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/156:00 am
MEM
- BOI
2 stops10h 25m
Southwest
Mon 4/204:20 pm
BOI
- MEM
1 stop4h 55m
Southwest
Deal found 3/15![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 8/133:15 pm
CHA
- BOI
2 stops10h 41m
Delta
Sun 8/1611:30 pm
BOI
- CHA
1 stop7h 35m
Delta
Deal found 3/16![Delta logo]()
$384
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 5/296:00 am
CHA
- BOI
1 stop7h 26m
American Airlines
Sun 6/73:11 pm
BOI
- CHA
1 stop6h 55m
American Airlines
Deal found 3/14![American Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 8/154:15 pm
CHA
- BOI
1 stop7h 10m
United Airlines
Sat 8/225:00 am
BOI
- CHA
2 stops10h 20m
United Airlines
Deal found 3/16![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/143:00 pm
MEM
- BOI
2 stops8h 10m
Southwest
Tue 4/216:00 am
BOI
- MEM
2 stops10h 35m
Southwest
Deal found 3/15![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/186:00 am
BNA
- JAC
2 stops11h 13m
Delta
Wed 4/221:09 pm
JAC
- BNA
1 stop7h 17m
Delta
Deal found 3/16![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 6/47:20 pm
BNA
- BOI
1 stop7h 25m
Southwest
Sun 6/79:00 pm
BOI
- BNA
1 stop7h 00m
Southwest
Deal found 3/16![Southwest logo]()
$412
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/2912:01 pm
MEM
- JAC
1 stop8h 23m
American Airlines
Wed 6/34:14 pm
JAC
- MEM
1 stop6h 50m
American Airlines
Deal found 3/16![American Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 3/18. 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 4/164:30 pm
TYS
- BOI
1 stop8h 05m
United Airlines
Sun 4/195:00 am
BOI
- TYS
1 stop8h 06m
United Airlines
Deal found 3/18![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 3/17. 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.
Thu 4/234:04 pm
TRI
- GEG
1 stop8h 27m
Delta
Sun 4/2610:40 pm
GEG
- TRI
1 stop8h 05m
Delta
Deal found 3/17![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:55 pm
BNA
- GEG
1 stop13h 05m
Southwest
Wed 5/62:40 pm
GEG
- BNA
1 stop12h 35m
Southwest
Deal found 3/16![Southwest logo]()
$418
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 6/236:00 am
CHA
- BOI
1 stop6h 29m
American Airlines
Sat 6/276:11 pm
BOI
- CHA
2 stops12h 43m
American Airlines
Deal found 3/14![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 5/26:29 am
MEM
- BOI
2 stops11h 52m
Delta
Mon 5/410:45 am
BOI
- MEM
2 stops11h 41m
Delta
Deal found 3/16![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/188:30 am
CHA
- BOI
1 stop9h 57m
United Airlines
Wed 4/227:11 am
BOI
- CHA
2 stops13h 47m
United Airlines
Deal found 3/14![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 3/285:15 am
BNA
- JAC
1 stop8h 23m
American Airlines
Sat 4/41:44 pm
JAC
- BNA
2 stops8h 58m
American Airlines
Deal found 3/16![American Airlines logo]()
$464
Last-minute flights from Tennessee to IdahoDiscover last-minute flight deals from Tennessee to Idaho. Data last updated March 19, 2026 and is based on user searches.
Discover last-minute flight deals from Tennessee to Idaho. Data last updated March 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/64:58 pm
BNA
- GEG
1 stop9h 05m
Delta
Thu 4/910:40 pm
GEG
- BNA
1 stop7h 55m
Delta
Deal found 3/16![Delta logo]()
$311
This Delta deal was found by Cheapflights users on 3/17. 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.
Thu 4/97:00 am
BNA
- BOI
1 stop7h 05m
Delta
Tue 4/143:23 pm
BOI
- BNA
1 stop6h 29m
Delta
Deal found 3/17![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Thu 4/93:30 pm
BNA
- BOI
1 stop8h 24m
American Airlines
Tue 4/142:14 pm
BOI
- BNA
2 stops8h 19m
American Airlines
Deal found 3/17![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Tue 4/143:30 pm
BNA
- BOI
1 stop8h 08m
American Airlines
Tue 4/212:14 pm
BOI
- BNA
2 stops8h 19m
American Airlines
Deal found 3/17![American Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 3/18. 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.
Wed 4/156:00 am
BNA
- GEG
1 stop9h 04m
Delta
Tue 4/215:30 am
GEG
- BNA
1 stop6h 33m
Delta
Deal found 3/18![Delta logo]()
$297
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/157:22 am
BNA
- GEG
1 stop8h 57m
American Airlines
Tue 4/216:34 am
GEG
- BNA
2 stops11h 26m
American Airlines
Deal found 3/15![American Airlines logo]()
$302
This Southwest deal was found by Cheapflights users on 3/18. 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 4/158:15 am
BNA
- BOI
2 stops8h 10m
Southwest
Sat 4/1811:00 am
BOI
- BNA
2 stops8h 45m
Southwest
Deal found 3/18![Southwest logo]()
$344
This American Airlines deal was found by Cheapflights users on 3/18. 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.
Tue 4/215:00 am
BNA
- JAC
1 stop8h 41m
American Airlines
Wed 4/221:25 pm
JAC
- BNA
1 stop7h 58m
American Airlines
Deal found 3/18![American Airlines logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/227:05 am
BNA
- BOI
1 stop16h 57m
Alaska Airlines
Fri 4/247:20 pm
BOI
- BNA
1 stop27h 39m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/255:45 am
CHA
- BOI
2 stops10h 41m
Delta
Tue 4/2811:35 pm
BOI
- CHA
1 stop7h 29m
Delta
Deal found 3/15![Delta logo]()
$318
This American Airlines deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 4/256:00 am
CHA
- BOI
1 stop9h 03m
American Airlines
Tue 4/286:00 am
BOI
- CHA
1 stop9h 14m
American Airlines
Deal found 3/15![American Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/287:00 am
BNA
- GEG
1 stop7h 27m
Delta
Fri 5/11:07 pm
GEG
- BNA
1 stop8h 52m
Delta
Deal found 3/16![Delta logo]()
$342
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 March 19, 2026.
Search for one-way flight options from Tennessee to Idaho. Find affordable one-way fares based on user searches. Data last updated March 19, 2026.
This CheapOair deal was found by Cheapflights users on 3/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:17 pm
BNA
- BOI
1 stop18h 13m
Frontier
Deal found 3/17![Frontier logo]()
$117
This CheapOair deal was found by Cheapflights users on 3/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:20 pm
BNA
- BOI
1 stop17h 10m
Frontier
Deal found 3/18![Frontier logo]()
$137
This Delta deal was found by Cheapflights users on 3/17. 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.
Wed 4/86:00 am
BNA
- GEG
1 stop9h 10m
Delta
Deal found 3/17![Delta logo]()
$149
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/74:35 pm
BNA
- BOI
1 stop7h 03m
American Airlines
Deal found 3/16![American Airlines logo]()
$156
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Mon 5/118:20 pm
BNA
- BOI
1 stop17h 07m
Frontier
Deal found 3/19![Frontier logo]()
$157
This Southwest deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/76:50 am
BNA
- BOI
2 stops9h 35m
Southwest
Deal found 3/16![Southwest logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:00 am
TYS
- BOI
1 stop7h 30m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:32 pm
TYS
- BOI
1 stop17h 58m
Frontier
Deal found 3/18![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:32 pm
TYS
- BOI
1 stop17h 58m
Frontier
Deal found 3/14![Frontier logo]()
$172
This Southwest deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” 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 4/306:45 am
BNA
- BOI
1 stop9h 55m
Southwest
Deal found 3/14![Southwest logo]()
$180
This United Airlines deal was found by Cheapflights users on 3/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:30 pm
TYS
- BOI
1 stop8h 05m
United Airlines
Deal found 3/17![United Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/235:00 am
BNA
- JAC
1 stop8h 41m
American Airlines
Deal found 3/16![American Airlines logo]()
$191
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 March 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Delta) |
One-way from | $117 (CheapOair) |
Popular in | December |
Cheapest in | August |
Average price | $337 |
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 March 19, 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
Thu 6/4
7:27 pm-11:35 pm
1 stop6h 08m
Spokane
Tue 6/9
1:30 pm-10:21 pm
1 stop6h 51m
$304
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Thu 6/4
7:20 pm-1:20 am
1 stop8h 00m
Spokane
Tue 6/9
2:55 pm-11:20 pm
1 stop6h 25m
$304
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Thu 6/4
7:27 pm-11:35 pm
1 stop6h 08m
Spokane
Mon 6/8
11:33 am-10:05 pm
1 stop8h 32m
$311
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
Fri 5/1
4:58 pm-12:17 am
1 stop8h 19m
Boise Air Term. Gowen Fld
Wed 5/6
8:59 am-9:26 pm
2 stops11h 27m
$312
NashvilleJackson
BNA - JAC
BNAJAC
Nashville Intl
Tue 4/21
8:30 am-7:01 pm
2 stops11h 31m
Jackson Hole
Wed 4/22
1:09 pm-9:26 pm
1 stop7h 17m
$364
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
Mon 4/13
7:20 pm-1:00 am
1 stop6h 40m
Boise Air Term. Gowen Fld
Mon 4/20
7:55 pm-5:00 am
1 stop8h 05m
$365
NashvilleJackson
BNA - JAC
BNAJAC
Nashville Intl
Sat 5/2
4:00 pm-8:58 pm
1 stop5h 58m
Jackson Hole
Thu 5/7
2:30 pm-9:57 pm
1 stop6h 27m
$382
ChattanoogaBoise
CHA - BOI
CHABOI
Chattanooga Lovell Field
Thu 8/13
3:15 pm-11:56 pm
2 stops10h 41m
Boise Air Term. Gowen Fld
Sun 8/16
11:30 pm-9:05 am
1 stop7h 35m
$384
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
Tue 4/21
10:00 am-9:11 pm
2 stops13h 11m
Spokane
Wed 4/22
5:05 am-6:26 pm
2 stops11h 21m
$397
MemphisBoise
MEM - BOI
MEMBOI
Memphis
Tue 4/21
6:00 am-3:25 pm
2 stops10h 25m
Boise Air Term. Gowen Fld
Mon 4/27
5:30 am-3:50 pm
2 stops9h 20m
$397
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-GEG
BNA-JAC
MEM-BOI
BNA-BOI
TYS-GEG
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-GEG
BNA-JAC
MEM-BOI
BNA-BOI
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 $156). Flying from Tennessee to Idaho in November is currently the most expensive (average of $287). 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.
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 March 19, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Tennessee to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 March 19, 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 6 airlines flying from Tennessee to Idaho
Discover the top 6 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 March 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$246 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$156 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$193 | Average$548 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$397 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$270 | Average$519 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$274 | Average$443 | FlexibilityNo cancel fee | On-time63% |