$114+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
Apr 16 — Apr 231
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho to Tennessee with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to Tennessee
Cheapest
Best
Last-minute
One-way
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 March 17, 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 March 17, 2026.
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:22 pm
BOI
- BNA
1 stop28h 00m
Frontier
Sat 5/97:08 pm
BNA
- BOI
1 stop18h 19m
Frontier
Deal found 3/16![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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.
Fri 5/812:33 pm
GEG
- BNA
1 stop27h 40m
Frontier
Tue 5/127:17 pm
BNA
- GEG
1 stop18h 21m
Frontier
Deal found 3/13![Frontier logo]()
$242
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/113:25 pm
GEG
- BNA
1 stop6h 27m
Delta
Wed 4/157:00 am
BNA
- GEG
1 stop9h 49m
Delta
Deal found 3/12![Delta logo]()
$267
This Flightnetwork deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Mon 6/18:32 pm
TYS
- BOI
1 stop17h 58m
Frontier
Deal found 3/12![Frontier logo]()
$280
This Gotogate deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Mon 6/18:32 pm
TYS
- BOI
1 stop17h 58m
Frontier
Deal found 3/12![Frontier logo]()
$290
This Mytrip deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:33 pm
GEG
- BNA
1 stop29h 02m
Frontier
Sun 5/3110:40 am
BNA
- GEG
1 stop26h 58m
Frontier
Deal found 3/13![Frontier logo]()
$290
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 7/812:38 pm
BOI
- CHA
1 stop6h 11m
United Airlines
Tue 7/146:00 am
CHA
- BOI
1 stop7h 32m
United Airlines
Deal found 3/12![United Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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.
Tue 6/21:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Wed 6/108:08 pm
TYS
- BOI
1 stop17h 08m
Frontier
Deal found 3/12![Frontier logo]()
$295
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.
Sat 4/252:25 pm
GEG
- BNA
1 stop7h 45m
Southwest
Tue 4/284:55 pm
BNA
- GEG
1 stop7h 50m
Southwest
Deal found 3/15![Southwest logo]()
$297
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.
Sat 4/252:25 pm
GEG
- BNA
1 stop7h 45m
Southwest
Wed 4/296:15 am
BNA
- GEG
2 stops9h 30m
Southwest
Deal found 3/15![Southwest logo]()
$302
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 5/1910:40 pm
GEG
- BNA
1 stop7h 55m
Delta
Sat 5/234:20 pm
BNA
- GEG
1 stop8h 46m
Delta
Deal found 3/16![Delta logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 5/241:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Wed 6/38:32 pm
TYS
- BOI
1 stop17h 58m
Frontier
Deal found 3/12![Frontier logo]()
$306
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 March 17, 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 March 17, 2026.
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/113:25 pm
GEG
- BNA
1 stop6h 27m
Delta
Wed 4/157:00 am
BNA
- GEG
1 stop9h 49m
Delta
Deal found 3/12![Delta logo]()
$267
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.
Sat 4/252:25 pm
GEG
- BNA
1 stop7h 45m
Southwest
Wed 4/296:15 am
BNA
- GEG
2 stops9h 30m
Southwest
Deal found 3/15![Southwest logo]()
$302
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.
Wed 7/812:38 pm
BOI
- CHA
1 stop6h 11m
United Airlines
Tue 7/146:00 am
CHA
- BOI
1 stop7h 32m
United Airlines
Deal found 3/16![United Airlines logo]()
$341
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 3/273:06 pm
JAC
- MEM
1 stop7h 26m
American Airlines
Mon 3/305:38 am
MEM
- JAC
1 stop8h 00m
American Airlines
Deal found 3/13![American Airlines logo]()
$369
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:03 pm
IDA
- BNA
1 stop12h 39m
Alaska Airlines
Wed 9/167:00 am
BNA
- IDA
1 stop9h 29m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 5/65:00 am
GEG
- BNA
2 stops10h 38m
Delta
Sat 5/94:20 pm
BNA
- GEG
1 stop8h 46m
Delta
Deal found 3/12![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/237:55 pm
BOI
- BNA
1 stop8h 05m
Southwest
Sat 4/255:25 am
BNA
- BOI
1 stop6h 00m
Southwest
Deal found 3/12![Southwest logo]()
$338
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 5/510:41 am
BOI
- BNA
2 stops9h 45m
Delta
Sat 5/97:00 am
BNA
- BOI
1 stop8h 43m
Delta
Deal found 3/16![Delta logo]()
$312
This United Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/255:05 am
GEG
- BNA
2 stops10h 24m
United Airlines
Tue 4/287:25 am
BNA
- GEG
2 stops9h 50m
United Airlines
Deal found 3/13![United Airlines logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/146:00 am
BOI
- BNA
1 stop22h 40m
Alaska Airlines
Wed 4/155:21 pm
BNA
- BOI
1 stop16h 54m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$379
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.
Tue 4/71:40 pm
GEG
- BNA
1 stop8h 12m
Delta
Tue 4/144:58 pm
BNA
- GEG
1 stop9h 22m
Delta
Deal found 3/14![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 3/316:05 am
IDA
- TYS
2 stops9h 26m
American Airlines
Tue 4/71:20 pm
TYS
- IDA
2 stops12h 19m
American Airlines
Deal found 3/12![American Airlines logo]()
$385
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.
Wed 4/85:00 pm
BOI
- BNA
2 stops10h 30m
Southwest
Tue 4/148:15 am
BNA
- BOI
2 stops8h 10m
Southwest
Deal found 3/17![Southwest logo]()
$371
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/66:15 am
GEG
- BNA
1 stop7h 48m
Delta
Mon 5/117:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Deal found 3/13![Delta logo]()
$324
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.
Tue 3/312:18 pm
IDA
- TYS
1 stop7h 02m
American Airlines
Sat 4/412:21 pm
TYS
- IDA
2 stops13h 03m
American Airlines
Deal found 3/15![American Airlines logo]()
$404
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:30 pm
IDA
- BNA
1 stop5h 43m
United Airlines
Thu 8/138:00 am
BNA
- IDA
1 stop6h 24m
United Airlines
Deal found 3/12![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/248:50 am
BOI
- BNA
2 stops11h 25m
Southwest
Tue 4/288:15 am
BNA
- BOI
2 stops8h 10m
Southwest
Deal found 3/12![Southwest logo]()
$391
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/210:40 pm
GEG
- BNA
1 stop7h 55m
Delta
Tue 4/76:00 am
BNA
- GEG
1 stop9h 10m
Delta
Deal found 3/12![Delta logo]()
$325
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/32:30 pm
IDA
- BNA
1 stop5h 43m
United Airlines
Tue 8/1110:31 am
BNA
- IDA
1 stop5h 58m
United Airlines
Deal found 3/12![United Airlines logo]()
$409
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 4/281:45 pm
GEG
- MEM
1 stop6h 00m
Southwest
Tue 5/126:00 am
MEM
- GEG
2 stops9h 05m
Southwest
Deal found 3/15![Southwest logo]()
$404
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 4/241:07 pm
GEG
- BNA
1 stop8h 52m
Delta
Mon 4/277:20 pm
BNA
- GEG
1 stop6h 14m
Delta
Deal found 3/14![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 8/42:30 pm
IDA
- BNA
1 stop5h 43m
United Airlines
Sat 8/86:30 am
BNA
- IDA
2 stops11h 49m
United Airlines
Deal found 3/12![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/145:00 am
BOI
- BNA
2 stops12h 56m
United Airlines
Wed 4/158:00 am
BNA
- BOI
1 stop8h 24m
United Airlines
Deal found 3/12![United Airlines logo]()
$422
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.
Mon 4/135:00 am
GEG
- BNA
1 stop9h 03m
Delta
Fri 4/174:58 pm
BNA
- GEG
1 stop9h 22m
Delta
Deal found 3/17![Delta logo]()
$349
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.
Fri 5/12:50 pm
GEG
- MEM
1 stop5h 25m
Southwest
Sat 5/21:00 pm
MEM
- GEG
2 stops10h 35m
Southwest
Deal found 3/14![Southwest logo]()
$433
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:46 am
BOI
- BNA
1 stop8h 04m
United Airlines
Tue 9/156:00 am
BNA
- BOI
1 stop6h 25m
United Airlines
Deal found 3/15![United Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 6/164:20 pm
BOI
- BNA
1 stop6h 30m
Southwest
Fri 6/267:20 pm
BNA
- BOI
1 stop7h 25m
Southwest
Deal found 3/12![Southwest logo]()
$445
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 8/222:30 pm
IDA
- TYS
1 stop6h 08m
United Airlines
Wed 8/268:48 am
TYS
- IDA
1 stop6h 36m
United Airlines
Deal found 3/12![United Airlines logo]()
$439
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.
Wed 5/133:16 pm
IDA
- BNA
1 stop6h 29m
Delta
Sat 5/1610:14 am
BNA
- IDA
2 stops13h 28m
Delta
Deal found 3/15![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.
Fri 4/38:15 pm
BOI
- BNA
2 stops7h 55m
Southwest
Mon 4/68:05 pm
BNA
- BOI
1 stop6h 50m
Southwest
Deal found 3/16![Southwest logo]()
$459
Last-minute flights from Idaho to TennesseeDiscover last-minute flight deals from Idaho to Tennessee. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Tennessee. Data last updated March 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/47:03 pm
BOI
- BNA
1 stop10h 25m
United Airlines
Mon 4/65:37 pm
BNA
- BOI
1 stop5h 58m
United Airlines
Deal found 3/12![United Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/86:00 am
BOI
- BNA
1 stop8h 42m
American Airlines
Tue 4/144:35 pm
BNA
- BOI
1 stop7h 03m
American Airlines
Deal found 3/13![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 4/87:15 am
GEG
- BNA
1 stop6h 48m
Delta
Tue 4/144:58 pm
BNA
- GEG
1 stop8h 17m
Delta
Deal found 3/13![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/113:25 pm
GEG
- BNA
1 stop6h 27m
Delta
Wed 4/157:00 am
BNA
- GEG
1 stop9h 49m
Delta
Deal found 3/12![Delta logo]()
$267
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.
Tue 4/142:25 pm
GEG
- BNA
1 stop6h 40m
Southwest
Mon 4/207:20 pm
BNA
- GEG
1 stop7h 10m
Southwest
Deal found 3/14![Southwest logo]()
$304
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 4/147:00 am
GEG
- BNA
2 stops13h 15m
Southwest
Tue 4/216:15 am
BNA
- GEG
1 stop6h 00m
Southwest
Deal found 3/15![Southwest logo]()
$308
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/225:00 am
GEG
- BNA
1 stop9h 03m
Delta
Sat 4/257:00 am
BNA
- GEG
1 stop7h 27m
Delta
Deal found 3/12![Delta logo]()
$307
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 4/226:05 am
GEG
- BNA
2 stops9h 10m
American Airlines
Sat 4/253:30 pm
BNA
- GEG
1 stop7h 03m
American Airlines
Deal found 3/15![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 4/241:52 pm
BOI
- BNA
1 stop9h 07m
Delta
Tue 4/284:58 pm
BNA
- BOI
1 stop8h 19m
Delta
Deal found 3/12![Delta logo]()
$307
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.
Sat 4/252:25 pm
GEG
- BNA
1 stop7h 45m
Southwest
Tue 4/284:55 pm
BNA
- GEG
1 stop7h 50m
Southwest
Deal found 3/15![Southwest logo]()
$297
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.
Sat 4/252:25 pm
GEG
- BNA
1 stop7h 45m
Southwest
Wed 4/296:15 am
BNA
- GEG
2 stops9h 30m
Southwest
Deal found 3/15![Southwest logo]()
$302
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 4/257:24 am
BOI
- BNA
2 stops13h 02m
Delta
Sat 5/24:58 pm
BNA
- BOI
1 stop18h 03m
Delta
Deal found 3/15![Delta logo]()
$312
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 March 17, 2026.
Search for one-way flight options from Idaho to Tennessee. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1312:33 pm
GEG
- MEM
1 stop26h 54m
Frontier
Deal found 3/15![Frontier logo]()
$114
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 4/116:15 am
GEG
- BNA
1 stop7h 48m
Delta
Deal found 3/16![Delta logo]()
$149
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.
Tue 6/21:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Deal found 3/14![Frontier logo]()
$151
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:06 pm
IDA
- BNA
1 stop30h 04m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$153
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.
Wed 4/296:05 am
GEG
- BNA
2 stops9h 10m
American Airlines
Deal found 3/14![American Airlines logo]()
$153
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” 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 6/25:00 am
GEG
- BNA
2 stops11h 27m
United Airlines
Deal found 3/12![United Airlines logo]()
$154
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 4/133:44 pm
BOI
- BNA
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$156
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/42:50 pm
GEG
- BNA
1 stop5h 50m
Southwest
Deal found 3/13![Southwest logo]()
$156
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.
Wed 4/151:41 pm
BOI
- BNA
1 stop8h 52m
American Airlines
Deal found 3/16![American Airlines logo]()
$158
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.
Wed 4/293:44 pm
BOI
- BNA
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/136:15 am
GEG
- BNA
1 stop10h 00m
Delta
Deal found 3/13![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” 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 5/710:40 pm
GEG
- BNA
1 stop7h 55m
Delta
Deal found 3/13![Delta logo]()
$166
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (CheapOair) |
One-way from | $114 (Trip.com) |
Popular in | March |
Cheapest in | January |
Average price | $454 |
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 March 17, 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
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Sat 4/11
3:25 pm-11:52 pm
1 stop6h 27m
Nashville Intl
Wed 4/15
7:00 am-2:49 pm
1 stop9h 49m
$267
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Sat 4/25
2:25 pm-12:10 am
1 stop7h 45m
Nashville Intl
Wed 4/29
6:15 am-1:45 pm
2 stops9h 30m
$302
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Wed 5/6
5:00 am-5:38 pm
2 stops10h 38m
Nashville Intl
Sat 5/9
4:20 pm-11:06 pm
1 stop8h 46m
$307
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Tue 5/5
10:41 am-9:26 pm
2 stops9h 45m
Nashville Intl
Sat 5/9
7:00 am-2:43 pm
1 stop8h 43m
$312
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Tue 4/7
1:40 pm-11:52 pm
1 stop8h 12m
Nashville Intl
Tue 4/14
4:58 pm-12:20 am
1 stop9h 22m
$317
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Wed 5/6
6:15 am-4:03 pm
1 stop7h 48m
Nashville Intl
Mon 5/11
7:27 pm-11:35 pm
1 stop6h 08m
$324
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Thu 4/2
10:40 pm-8:35 am
1 stop7h 55m
Nashville Intl
Tue 4/7
6:00 am-1:10 pm
1 stop9h 10m
$325
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Thu 4/23
7:55 pm-5:00 am
1 stop8h 05m
Nashville Intl
Sat 4/25
5:25 am-10:25 am
1 stop6h 00m
$338
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Fri 4/24
1:07 pm-11:59 pm
1 stop8h 52m
Nashville Intl
Mon 4/27
7:20 pm-11:34 pm
1 stop6h 14m
$339
BoiseChattanooga
BOI - CHA
BOICHA
Boise Air Term. Gowen Fld
Wed 7/8
12:38 pm-8:49 pm
1 stop6h 11m
Chattanooga Lovell Field
Tue 7/14
6:00 am-11:32 am
1 stop7h 32m
$341
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.
GEG-BNA
BOI-BNA
GEG-MEM
GEG-TYS
BOI-TYS
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
GEG-BNA
BOI-BNA
GEG-MEM
GEG-TYS
What is the cheapest month to book a flight from Idaho to Tennessee?
Currently, April is the cheapest month in which you can book a flight from Idaho to Tennessee (average of $104). Flying from Idaho to Tennessee in December is currently the most expensive (average of $319). 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 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 March 17, 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
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 March 17, 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$481 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$158 | Average$465 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$260 | Average$495 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$273 | Average$516 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$302 | Average$425 | FlexibilityNo cancel fee | On-time63% |