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Idaho

$88+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — BOI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Tennessee to Idaho

Cheapest flights from Tennessee to Idaho
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/267:35 pm
BNA
-
BOI
1 stop16h 36m
Frontier
Thu 3/512:38 pm
BOI
-
BNA
1 stop24h 38m
Frontier
Deal found 1/27$172
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:45 pm
BNA
-
BOI
2 stops15h 26m
Multiple Airlines
Thu 3/512:38 pm
BOI
-
BNA
1 stop24h 38m
Multiple Airlines
Deal found 1/27$214
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/57:37 pm
BNA
-
BOI
1 stop16h 35m
Frontier
Mon 2/912:07 pm
BOI
-
BNA
1 stop5h 35m
Frontier
Deal found 1/27$233
This Delta deal was found by Cheapflights users on 1/28. 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 3/107:00 am
BNA
-
BOI
1 stop10h 00m
Delta
Tue 3/171:45 pm
BOI
-
BNA
1 stop9h 07m
Delta
Deal found 1/28$237
This Delta deal was found by Cheapflights users on 1/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:54 pm
BNA
-
BOI
2 stops11h 23m
Delta
Tue 4/287:24 am
BOI
-
BNA
2 stops9h 51m
Delta
Deal found 1/27$248
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 3/47:35 am
BNA
-
GEG
1 stop7h 00m
Delta
Wed 3/182:15 pm
GEG
-
BNA
1 stop6h 36m
Delta
Deal found 1/28$257
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” 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 2/247:30 am
BNA
-
GEG
2 stops9h 46m
United Airlines
Tue 3/31:44 pm
GEG
-
BNA
1 stop5h 52m
United Airlines
Deal found 1/26$262
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” 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 2/247:00 am
BNA
-
GEG
2 stops13h 45m
Delta
Tue 3/37:30 pm
GEG
-
BNA
2 stops12h 11m
Delta
Deal found 1/26$268
This Delta deal was found by Cheapflights users on 1/28. 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 3/247:00 am
BNA
-
BOI
1 stop10h 00m
Delta
Tue 3/318:00 am
BOI
-
BNA
1 stop5h 02m
Delta
Deal found 1/28$278
This Delta deal was found by Cheapflights users on 1/28. 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.
Wed 3/116:00 am
BNA
-
BOI
2 stops9h 05m
Delta
Tue 3/171:45 pm
BOI
-
BNA
1 stop9h 07m
Delta
Deal found 1/28$283
This American Airlines deal was found by Cheapflights users on 1/28. 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 3/103:16 pm
BNA
-
GEG
2 stops9h 58m
American Airlines
Sat 5/26:45 am
GEG
-
BNA
2 stops11h 10m
American Airlines
Deal found 1/28$284
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/207:00 am
BNA
-
JAC
1 stop29h 37m
Alaska Airlines
Fri 3/2712:17 pm
JAC
-
BNA
1 stop16h 23m
Alaska Airlines
Deal found 1/28$294

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$172
(Kiwi.com)

One-way from

$88
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$324
Provider with most accurate pricing for Nashville Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Tennessee to Idaho
Search Deals
One-way flight from Tennessee to Idaho
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
Use the filters below to find and compare flights from Tennessee to Idaho that are best for you.

Fly from

Tennessee

Fly to

Idaho

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 2/26

8:45 pm-11:11 am

2 stops15h 26m

Boise Air Term. Gowen Fld

Thu 3/5

12:38 pm-2:16 pm

1 stop24h 38m

$214

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 4/1

7:22 pm-11:59 pm

1 stop5h 37m

Boise Air Term. Gowen Fld

Tue 4/14

3:23 pm-10:52 pm

1 stop6h 29m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 3/10

7:00 am-4:00 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

Tue 3/17

1:45 pm-11:52 pm

1 stop9h 07m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 3/25

7:00 am-1:05 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Tue 3/31

11:30 pm-8:35 am

1 stop8h 05m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 3/11

7:22 pm-11:59 pm

1 stop5h 37m

Boise Air Term. Gowen Fld

Tue 3/17

1:45 pm-11:52 pm

1 stop9h 07m

$237

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 4/15

5:25 am-2:26 pm

2 stops10h 01m

Boise Air Term. Gowen Fld

Tue 4/28

10:45 am-6:15 pm

1 stop6h 30m

$242

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 3/31

2:32 pm-10:11 pm

2 stops8h 39m

Boise Air Term. Gowen Fld

Sat 4/4

12:45 pm-9:38 pm

1 stop7h 53m

$242

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 3/10

11:50 am-5:51 pm

1 stop8h 01m

Spokane

Sat 5/2

8:55 am-7:50 pm

1 stop8h 55m

$257

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 2/24

4:00 pm-9:17 pm

1 stop7h 17m

Spokane

Tue 3/3

12:38 pm-10:59 pm

1 stop8h 21m

$257

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 3/4

7:35 am-12:35 pm

1 stop7h 00m

Spokane

Wed 3/11

2:15 pm-10:51 pm

1 stop6h 36m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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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.
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

What is the cheapest month to book a flight from Tennessee to Idaho?

Currently, February is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $140). 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 January 29, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Tennessee to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,807 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,267 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,128 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,215 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,205 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from Tennessee to Idaho?

    There are many flights that can get you from Tennessee to Idaho in 5h 37m. Fly via Delta, United Airlines, or American Airlines to get the fastest option. The distance from Tennessee to Idaho is about 1638 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Tennessee to Idaho one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $71. Alaska Airlines flights start at $72 while deals on Delta start at $108 one-way.

  • Can I find deals for flights from Tennessee to Idaho that include hotel bookings?

    Yes. In addition to deals on Tennessee to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tennessee to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Idaho.

  • Can I find deals for business class flights from Tennessee to Idaho?

    Yes. Cheapflights offers flight deals from Tennessee to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tennessee to Idaho?

    Currently, February is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $140). 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.

See more FAQs

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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.
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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$246FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$156Average$533FlexibilityNo cancel feeOn-time71%
DeltaCheapest$193Average$552FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$214Average$513FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$237Average$397FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$274Average$442FlexibilityNo cancel feeOn-time63%

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