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Tennessee

$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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheap 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 21, 2025.

Round-trip from

$145
(Priceline)

One-way from

$119
(Delta)

Popular in

November

Cheapest in

April

Average price

$420
From Idaho to Tennessee
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One-way flight from Idaho to Tennessee
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Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Idaho to Tennessee

Cheapest flights from Idaho to Tennessee
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 21, 2025.

This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1912:22 pmBOI - BNA
1 stop7h 21mFrontier
Fri 9/266:15 amBNA - BOI
1 stop6h 22mFrontier
Deal found 8/20$145
This Priceline deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:53 amGEG - BNA
1 stop10h 47mFrontier
Sun 9/286:15 amBNA - GEG
1 stop6h 43mFrontier
Deal found 8/21$146
This Priceline deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2412:28 pmBOI - BNA
1 stop10h 31mFrontier
Sun 10/266:12 amBNA - BOI
1 stop6h 31mFrontier
Deal found 8/19$178
This Priceline deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:53 amGEG - BNA
1 stop10h 47mFrontier
Sun 9/76:15 amBNA - GEG
1 stop6h 43mFrontier
Deal found 8/21$187
This Priceline deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:53 amGEG - BNA
1 stop10h 47mFrontier
Sun 9/286:15 amBNA - GEG
1 stop6h 43mFrontier
Deal found 8/20$202
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/232:25 pmBOI - MEM
1 stop20h 40mMultiple Airlines
Sun 10/262:57 pmMEM - BOI
1 stop29h 59mMultiple Airlines
Deal found 8/20$203
This Priceline deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1412:22 pmBOI - BNA
1 stop7h 21mFrontier
Fri 9/196:15 amBNA - BOI
1 stop6h 22mFrontier
Deal found 8/21$227
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/78:26 pmBOI - BNA
1 stop8h 14mAlaska Airlines
Tue 10/147:00 amBNA - BOI
1 stop8h 36mAlaska Airlines
Deal found 8/21$236
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:00 pmBOI - BNA
1 stop8h 58mDelta
Tue 10/213:58 pmBNA - BOI
1 stop8h 56mDelta
Deal found 8/20$237
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:06 pmGEG - BNA
1 stop6h 50mDelta
Tue 9/167:35 amBNA - GEG
1 stop9h 14mDelta
Deal found 8/20$237
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:16 pmBOI - MEM
1 stop20h 37mMultiple Airlines
Mon 9/81:48 pmMEM - BOI
1 stop7h 43mMultiple Airlines
Deal found 8/20$241
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:05 pmBOI - BNA
1 stop8h 57mDelta
Wed 9/245:15 amBNA - BOI
2 stops10h 00mDelta
Deal found 8/20$242

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 21, 2025.
Use the filters below to find and compare flights from Idaho to Tennessee that are best for you.

Fly from

Idaho

Fly to

Tennessee

Route

Depart

Return

Price

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Fri 9/19

12:22 pm-8:43 pm

1 stop7h 21m

Nashville Intl

Fri 9/26

6:15 am-11:37 am

1 stop6h 22m

$145

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 9/25

11:53 am-12:40 am

1 stop10h 47m

Nashville Intl

Sun 9/28

6:15 am-10:58 am

1 stop6h 43m

$146

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Fri 10/24

12:28 pm-11:59 pm

1 stop10h 31m

Nashville Intl

Sun 10/26

6:12 am-11:43 am

1 stop6h 31m

$178

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Fri 9/5

11:53 am-12:40 am

1 stop10h 47m

Nashville Intl

Sun 9/7

6:15 am-10:58 am

1 stop6h 43m

$187

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sun 9/21

11:53 am-12:40 am

1 stop10h 47m

Nashville Intl

Sun 9/28

6:15 am-10:58 am

1 stop6h 43m

$202

BoiseMemphis

BOI - MEM

BOIMEM

Boise Air Term. Gowen Fld

Thu 10/23

2:25 pm-12:05 pm

1 stop20h 40m

Memphis

Sun 10/26

2:57 pm-7:56 pm

1 stop29h 59m

$203

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sun 9/14

12:22 pm-8:43 pm

1 stop7h 21m

Nashville Intl

Fri 9/19

6:15 am-11:37 am

1 stop6h 22m

$227

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 9/17

9:00 am-12:08 am

1 stop14h 08m

Nashville Intl

Wed 9/24

9:00 am-6:16 pm

1 stop10h 16m

$236

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 10/7

8:26 pm-5:40 am

1 stop8h 14m

Nashville Intl

Tue 10/14

7:00 am-2:36 pm

1 stop8h 36m

$236

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 10/7

8:26 pm-5:40 am

1 stop8h 14m

Nashville Intl

Tue 10/14

7:00 am-2:36 pm

1 stop8h 36m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Showing 1-10 of 60 results
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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.
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

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 $220). Flying from Idaho to Tennessee in June is currently the most expensive (average of $291). 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.

What is the cheapest time of day to fly from ID to TN?

Find hourly flight availability from Idaho to Tennessee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Tennessee as you normally would.

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 21, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,245 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,930 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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.

  • How long is the flight from Idaho to Tennessee?

    For as low as $145, Frontier can have you in Tennessee from Idaho in 7h 21m. Airlines will cover a distance of 1638 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $119. United Airlines flights start at $119 while deals on Spirit Airlines start at $122 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Tennessee 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 Idaho to Tennessee?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Tennessee (average of $220). Flying from Idaho to Tennessee in June is currently the most expensive (average of $291). 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 Idaho to Tennessee

See prices for flight routes from nearby airports that may be better suited for you.
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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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$438FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$221Average$541FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$477FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$565FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$321Average$464FlexibilityNo cancel feeOn-time63%

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