$119+ Cheap flights from Idaho to Tennessee
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Tennessee with Cheapflights
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Cheapest flights from Idaho to TennesseeExplore the most affordable flight options available from Idaho to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
Explore the most affordable flight options available from Idaho to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:49 pm
BOI
- BNA
1 stop5h 51m
American Airlines
Sun 8/235:00 am
BNA
- BOI
1 stop7h 16m
American Airlines
Deal found 7/30![American Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Mon 8/242:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:52 pm
BOI
- BNA
1 stop21h 05m
Frontier
Thu 10/292:53 pm
BNA
- BOI
1 stop25h 04m
Frontier
Deal found 8/1![Frontier logo]()
$238
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:55 pm
BOI
- BNA
2 stops8h 32m
American Airlines
Thu 8/273:38 pm
BNA
- BOI
1 stop7h 33m
American Airlines
Deal found 8/1![American Airlines logo]()
$242
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Sat 8/2912:33 pm
BNA
- GEG
2 stops10h 13m
United Airlines
Deal found 7/28![United Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:29 pm
BOI
- BNA
1 stop7h 26m
Delta
Tue 8/257:11 am
BNA
- BOI
1 stop9h 07m
Delta
Deal found 7/28![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:15 pm
GEG
- BNA
1 stop12h 20m
Southwest
Sat 8/292:40 pm
BNA
- GEG
1 stop8h 45m
Southwest
Deal found 7/28![Southwest logo]()
$247
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:44 am
BOI
- BNA
1 stop8h 18m
American Airlines
Tue 8/258:00 am
BNA
- BOI
2 stops9h 49m
American Airlines
Deal found 7/28![American Airlines logo]()
$266
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/172:50 pm
BOI
- BNA
1 stop21h 30m
Frontier
Sun 9/201:49 pm
BNA
- BOI
1 stop25h 06m
Frontier
Deal found 7/30![Frontier logo]()
$269
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:25 pm
BOI
- BNA
1 stop6h 20m
Southwest
Wed 9/25:55 pm
BNA
- BOI
1 stop6h 15m
Southwest
Deal found 7/29![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Wed 9/22:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:52 pm
BOI
- BNA
1 stop21h 06m
Frontier
Tue 11/107:42 pm
BNA
- BOI
2 stops44h 15m
Frontier
Deal found 7/30![Frontier logo]()
$277
Best flights from Idaho to TennesseeDiscover carefully curated flight deals from Idaho to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Idaho to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:29 pm
BOI
- BNA
1 stop7h 26m
Delta
Tue 8/257:11 am
BNA
- BOI
1 stop9h 07m
Delta
Deal found 7/28![Delta logo]()
$247
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/307:30 am
GEG
- BNA
1 stop9h 05m
Southwest
Mon 10/56:50 pm
BNA
- GEG
1 stop7h 40m
Southwest
Deal found 7/30![Southwest logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:30 am
BOI
- MEM
1 stop7h 20m
United Airlines
Mon 8/312:37 pm
MEM
- BOI
2 stops9h 03m
United Airlines
Deal found 7/27![United Airlines logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:06 pm
BOI
- BNA
1 stop8h 53m
Alaska Airlines
Fri 10/307:00 am
BNA
- BOI
1 stop7h 50m
Alaska Airlines
Deal found 8/1![Alaska Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:55 pm
BOI
- MEM
2 stops7h 55m
American Airlines
Tue 9/86:32 am
MEM
- BOI
1 stop8h 57m
American Airlines
Deal found 8/1![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Thu 8/206:00 am
BNA
- GEG
1 stop8h 57m
Delta
Deal found 8/1![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:15 pm
GEG
- BNA
2 stops8h 45m
Southwest
Mon 10/196:50 pm
BNA
- GEG
1 stop7h 40m
Southwest
Deal found 7/29![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:00 am
GEG
- BNA
2 stops11h 42m
United Airlines
Sat 10/312:39 pm
BNA
- GEG
2 stops10h 10m
United Airlines
Deal found 7/28![United Airlines logo]()
$323
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:36 pm
GEG
- TYS
1 stop7h 03m
Delta
Fri 9/115:40 am
TYS
- GEG
1 stop8h 06m
Delta
Deal found 8/1![Delta logo]()
$311
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:40 pm
BOI
- BNA
1 stop6h 50m
Southwest
Thu 10/224:40 pm
BNA
- BOI
1 stop7h 15m
Southwest
Deal found 7/29![Southwest logo]()
$321
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:49 pm
BOI
- CHA
1 stop6h 07m
American Airlines
Thu 9/36:14 am
CHA
- BOI
1 stop7h 02m
American Airlines
Deal found 7/30![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:30 am
BOI
- MEM
1 stop7h 20m
United Airlines
Sun 9/611:08 am
MEM
- BOI
2 stops11h 29m
United Airlines
Deal found 7/29![United Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:59 pm
BOI
- MEM
1 stop8h 25m
Delta
Sat 9/57:10 am
MEM
- BOI
1 stop6h 04m
Delta
Deal found 7/29![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:58 pm
IDA
- BNA
1 stop9h 01m
Alaska Airlines
Mon 11/24:47 pm
BNA
- IDA
1 stop21h 29m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:00 am
GEG
- MEM
2 stops10h 55m
Southwest
Sat 8/2912:40 pm
MEM
- GEG
2 stops10h 45m
Southwest
Deal found 7/28![Southwest logo]()
$321
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 am
GEG
- CHA
1 stop6h 43m
American Airlines
Tue 9/14:08 pm
CHA
- GEG
1 stop7h 34m
American Airlines
Deal found 7/28![American Airlines logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:58 pm
IDA
- BNA
1 stop9h 01m
Alaska Airlines
Fri 10/307:00 am
BNA
- IDA
1 stop9h 20m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$381
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/311:12 am
BOI
- MEM
1 stop5h 28m
Delta
Sun 9/67:10 am
MEM
- BOI
1 stop6h 04m
Delta
Deal found 7/29![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:31 am
BOI
- TYS
2 stops10h 18m
United Airlines
Tue 9/154:50 pm
TYS
- BOI
1 stop6h 55m
United Airlines
Deal found 8/1![United Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:01 am
BOI
- CHA
2 stops12h 19m
American Airlines
Wed 9/26:14 am
CHA
- BOI
1 stop7h 02m
American Airlines
Deal found 7/29![American Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:55 pm
BOI
- BNA
1 stop6h 45m
Southwest
Fri 9/251:25 pm
BNA
- BOI
2 stops10h 30m
Southwest
Deal found 7/29![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:56 pm
GEG
- BNA
1 stop9h 06m
Delta
Mon 9/72:03 pm
BNA
- GEG
1 stop9h 27m
Delta
Deal found 8/1![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:31 am
BOI
- TYS
2 stops11h 28m
United Airlines
Sat 9/129:00 am
TYS
- BOI
1 stop6h 35m
United Airlines
Deal found 8/1![United Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:12 pm
BOI
- CHA
1 stop8h 08m
American Airlines
Fri 9/44:08 pm
CHA
- BOI
1 stop8h 03m
American Airlines
Deal found 7/30![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 pm
BOI
- BNA
2 stops9h 10m
Southwest
Thu 10/85:15 am
BNA
- BOI
1 stop7h 05m
Southwest
Deal found 7/31![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:36 pm
GEG
- BNA
1 stop6h 32m
Delta
Sat 12/127:15 am
BNA
- GEG
1 stop7h 14m
Delta
Deal found 7/31![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:31 am
BOI
- BNA
2 stops11h 14m
United Airlines
Fri 8/2812:37 pm
BNA
- BOI
2 stops11h 03m
United Airlines
Deal found 7/28![United Airlines logo]()
$368
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:57 pm
IDA
- BNA
2 stops24h 25m
Alaska Airlines
Wed 9/167:00 am
BNA
- IDA
1 stop9h 20m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:50 pm
BOI
- BNA
2 stops9h 10m
Southwest
Fri 10/910:20 pm
BNA
- BOI
1 stop13h 10m
Southwest
Deal found 7/28![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/17:00 am
GEG
- BNA
1 stop8h 36m
Delta
Mon 1/116:00 am
BNA
- GEG
1 stop7h 44m
Delta
Deal found 7/31![Delta logo]()
$325
Last-minute flights from Idaho to TennesseeDiscover last-minute flight deals from Idaho to Tennessee. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Tennessee. Data last updated August 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:29 pm
BOI
- BNA
1 stop7h 26m
Delta
Tue 8/257:11 am
BNA
- BOI
1 stop9h 07m
Delta
Deal found 7/28![Delta logo]()
$247
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:44 am
BOI
- BNA
1 stop8h 18m
American Airlines
Tue 8/258:00 am
BNA
- BOI
2 stops9h 49m
American Airlines
Deal found 7/28![American Airlines logo]()
$266
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:49 pm
BOI
- BNA
1 stop5h 51m
American Airlines
Sun 8/235:00 am
BNA
- BOI
1 stop7h 16m
American Airlines
Deal found 7/30![American Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Mon 8/242:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$237
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:55 pm
BOI
- BNA
2 stops8h 32m
American Airlines
Sun 8/235:00 am
BNA
- BOI
1 stop7h 16m
American Airlines
Deal found 7/31![American Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Sat 8/2912:33 pm
BNA
- GEG
2 stops10h 13m
United Airlines
Deal found 7/28![United Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:15 pm
GEG
- BNA
1 stop12h 20m
Southwest
Sat 8/292:40 pm
BNA
- GEG
1 stop8h 45m
Southwest
Deal found 7/28![Southwest logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:55 pm
BOI
- BNA
2 stops8h 32m
American Airlines
Thu 8/273:38 pm
BNA
- BOI
1 stop7h 33m
American Airlines
Deal found 8/1![American Airlines logo]()
$242
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:25 pm
BOI
- BNA
1 stop6h 20m
Southwest
Wed 9/25:55 pm
BNA
- BOI
1 stop6h 15m
Southwest
Deal found 7/29![Southwest logo]()
$275
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Wed 9/22:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am
GEG
- BNA
2 stops10h 32m
United Airlines
Sun 9/68:00 am
BNA
- GEG
1 stop6h 35m
United Airlines
Deal found 7/28![United Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:00 am
GEG
- BNA
2 stops8h 57m
United Airlines
Sat 9/512:33 pm
BNA
- GEG
2 stops10h 13m
United Airlines
Deal found 7/30![United Airlines logo]()
$285
One-way flights from Idaho to TennesseeSearch for one-way flight options from Idaho to Tennessee. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Idaho to Tennessee. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:25 pm
BOI
- BNA
1 stop6h 20m
Southwest
Deal found 7/29![Southwest logo]()
$119
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:10 pm
GEG
- BNA
1 stop9h 55m
Southwest
Deal found 7/30![Southwest logo]()
$119
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:55 pm
BOI
- BNA
2 stops8h 32m
American Airlines
Deal found 7/29![American Airlines logo]()
$124
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Deal found 7/30![Delta logo]()
$124
This CheapOair deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:50 pm
BOI
- BNA
1 stop21h 14m
Frontier
Deal found 7/29![Frontier logo]()
$131
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:21 pm
GEG
- BNA
1 stop9h 16m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/251:52 pm
GEG
- BNA
1 stop6h 08m
United Airlines
Deal found 8/1![United Airlines logo]()
$152
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:00 am
BOI
- BNA
2 stops9h 57m
United Airlines
Deal found 7/30![United Airlines logo]()
$155
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:49 pm
GEG
- TYS
1 stop7h 33m
American Airlines
Deal found 7/30![American Airlines logo]()
$156
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:25 pm
BOI
- MEM
1 stop6h 15m
Southwest
Deal found 7/28![Southwest logo]()
$156
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:02 pm
BOI
- BNA
1 stop6h 14m
American Airlines
Deal found 7/29![American Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:30 am
GEG
- BNA
1 stop6h 27m
Delta
Deal found 7/28![Delta logo]()
$157
Find flight deals from Idaho to Tennessee
Keep the following information in mind while searching for Idaho to Tennessee flight deals. Data was last updated August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (American Airlines) |
One-way from | $119 (Southwest) |
Popular in | February |
Cheapest in | January |
Average price | $359 |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho to Tennessee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
Use the filters below to find and compare flights from Idaho to Tennessee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Tue 8/18
3:29 pm-11:55 pm
1 stop7h 26m
Nashville Intl
Tue 8/25
7:11 am-3:18 pm
1 stop9h 07m
$247
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Mon 8/17
1:00 pm-11:55 pm
1 stop8h 55m
Nashville Intl
Thu 8/20
6:00 am-12:57 pm
1 stop8h 57m
$306
SpokaneKnoxville
GEG - TYS
GEGTYS
Spokane
Sat 9/5
12:36 pm-10:39 pm
1 stop7h 03m
Knoxville McGhee Tyson
Fri 9/11
5:40 am-10:46 am
1 stop8h 06m
$311
BoiseMemphis
BOI - MEM
BOIMEM
Boise Air Term. Gowen Fld
Thu 9/3
1:59 pm-11:24 pm
1 stop8h 25m
Memphis
Sat 9/5
7:10 am-12:14 pm
1 stop6h 04m
$311
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Wed 9/30
7:30 am-6:35 pm
1 stop9h 05m
Nashville Intl
Mon 10/5
6:50 pm-12:30 am
1 stop7h 40m
$313
BoiseMemphis
BOI - MEM
BOIMEM
Boise Air Term. Gowen Fld
Thu 8/27
6:30 am-2:50 pm
1 stop7h 20m
Memphis
Mon 8/31
2:37 pm-10:40 pm
2 stops9h 03m
$316
Quickest round-trip
BoiseMemphis
BOI - MEM
BOIMEM
Boise Air Term. Gowen Fld
Thu 9/3
11:12 am-5:40 pm
1 stop5h 28m
Memphis
Sun 9/6
7:10 am-12:14 pm
1 stop6h 04m
$316
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Fri 10/16
6:15 pm-5:00 am
2 stops8h 45m
Nashville Intl
Mon 10/19
6:50 pm-12:30 am
1 stop7h 40m
$318
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Fri 9/4
10:56 pm-10:02 am
1 stop9h 06m
Nashville Intl
Mon 9/7
2:03 pm-9:30 pm
1 stop9h 27m
$319
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Wed 10/21
4:40 pm-12:30 am
1 stop6h 50m
Nashville Intl
Thu 10/22
4:40 pm-10:55 pm
1 stop7h 15m
$321
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Idaho to Tennessee
Have a flexible travel schedule? Discover the best time to fly to Tennessee from Idaho with our price prediction graph.
BOI-BNA
GEG-BNA
BOI-MEM
GEG-TYS
BOI-CHA
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 Idaho to Tennessee
USID-USTN
BOI-BNA
GEG-BNA
BOI-MEM
GEG-TYS
What is the cheapest month to book a flight from Idaho to Tennessee?
Currently, January is the cheapest month in which you can book a flight from Idaho to Tennessee (average of $343). Flying from Idaho to Tennessee in March is currently the most expensive (average of $532). 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 Idaho to Tennessee?
Airfare is below average for this route at the moment.
Idaho to Tennessee flights typically cost between $308 and $561 in August.The cheapest round-trip price found within the last 5 days was $237 on American Airlines (Aug 20-Aug 23).
How far ahead should I book a flight from Idaho to Tennessee?
To ensure you get the cheapest price possible for a flight from Idaho to Tennessee, you should look to book at least 20 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Tennessee
Get insights into the airlines that provide service to Tennessee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tennessee. Reviews last updated August 2, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Idaho to Tennessee by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Idaho to Tennessee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Idaho to Tennessee
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Tennessee by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Tennessee by cabin class
Find flights from Idaho to Tennessee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Tennessee flights
Browse other Idaho and Tennessee flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Tennessee
Find the right flight back to Idaho after your stay in Tennessee
Idaho to Tennessee flights
Consider these flights traveling from Idaho to Tennessee.
Top 5 airlines flying from Idaho to Tennessee
Discover the top 5 airlines that operate flights from Idaho to Tennessee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$514 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$204 | Average$516 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$243 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$287 | Average$425 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$306 | Average$566 | FlexibilityNo cancel fee | On-time75% |