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$126+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/22. 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 12/246:00 amGEG - CHA
2 stops10h 43mAmerican Airlines
Thu 1/111:58 amCHA - GEG
1 stop9h 35mAmerican Airlines
Deal found 12/22$424
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/246:00 amGEG - CHA
2 stops10h 43mAmerican Airlines
Tue 12/305:00 amCHA - GEG
2 stops10h 06mAmerican Airlines
Deal found 12/22$457
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/246:00 amGEG - CHA
2 stops10h 43mAmerican Airlines
Fri 1/211:58 amCHA - GEG
1 stop9h 35mAmerican Airlines
Deal found 12/22$511
This Southwest deal was found by Cheapflights users on 12/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:25 amGEG - BNA
1 stop9h 00mSouthwest
Tue 1/66:05 amBNA - GEG
2 stops9h 20mSouthwest
Deal found 12/21$513
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/255:28 amGEG - CHA
1 stop9h 15mAmerican Airlines
Tue 12/305:00 amCHA - GEG
2 stops10h 06mAmerican Airlines
Deal found 12/22$542
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:46 pmGEG - BNA
1 stop18h 24mAmerican Airlines
Tue 1/66:43 amBNA - GEG
1 stop10h 15mAmerican Airlines
Deal found 12/21$554
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:35 amBOI - BNA
1 stop8h 32mUnited Airlines
Sun 1/46:01 amBNA - BOI
1 stop7h 38mUnited Airlines
Deal found 12/21$559
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:05 amGEG - BNA
2 stops12h 01mUnited Airlines
Mon 1/52:21 pmBNA - GEG
1 stop8h 37mUnited Airlines
Deal found 12/20$561
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/255:28 amGEG - CHA
1 stop9h 15mAmerican Airlines
Wed 12/317:35 amCHA - GEG
1 stop7h 31mAmerican Airlines
Deal found 12/22$568
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/246:00 amGEG - CHA
2 stops10h 43mAmerican Airlines
Wed 12/317:35 amCHA - GEG
1 stop7h 31mAmerican Airlines
Deal found 12/22$573
This Delta deal was found by Cheapflights users on 12/22. 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 12/2412:02 pmGEG - CHA
1 stop8h 45mDelta
Fri 1/25:25 pmCHA - GEG
1 stop7h 12mDelta
Deal found 12/22$578
This Delta deal was found by Cheapflights users on 12/20. 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 12/313:32 pmGEG - BNA
1 stop6h 25mDelta
Mon 1/51:01 pmBNA - GEG
1 stop8h 53mDelta
Deal found 12/20$598

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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$183
(Frontier)

One-way from

$126
(Priceline)

Popular in

March

Cheapest in

April

Average price

$429
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Nashville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Nashville Intl flights.
Search Deals
From Idaho to Tennessee
Search Deals
One-way flight from Idaho to Tennessee
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 ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Sun 1/25

1:55 pm-11:57 pm

1 stop9h 02m

Nashville Intl

Sat 1/31

7:00 am-3:10 pm

1 stop9h 10m

$216

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sun 1/18

1:58 pm-11:14 pm

1 stop8h 16m

Nashville Intl

Sun 1/25

5:15 am-1:08 pm

1 stop8h 53m

$217

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 1/28

5:55 pm-11:57 pm

1 stop29h 02m

Nashville Intl

Sat 2/7

7:00 am-11:01 pm

1 stop17h 01m

$226

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 1/28

1:40 pm-12:13 am

1 stop9h 33m

Nashville Intl

Sat 2/7

7:35 am-4:17 pm

1 stop9h 42m

$227

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 3/3

1:51 pm-12:06 am

1 stop9h 15m

Nashville Intl

Tue 3/10

7:00 am-1:05 pm

1 stop7h 05m

$227

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 2/18

1:51 pm-12:06 am

1 stop9h 15m

Nashville Intl

Wed 2/25

7:35 am-4:15 pm

1 stop9h 40m

$227

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 2/11

9:20 am-12:13 am

1 stop12h 53m

Nashville Intl

Wed 2/18

7:35 am-12:04 am

1 stop18h 29m

$227

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 2/11

9:20 am-12:13 am

1 stop12h 53m

Nashville Intl

Fri 2/20

7:35 am-12:04 am

1 stop18h 29m

$227

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Mon 2/9

6:05 am-12:13 am

1 stop16h 08m

Nashville Intl

Fri 2/20

7:35 am-12:04 am

1 stop18h 29m

$227

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 3/4

8:50 am-9:50 pm

2 stops12h 00m

Nashville Intl

Tue 3/10

7:00 am-1:05 pm

1 stop7h 05m

$232

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

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, 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 May is currently the most expensive (average of $300). 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 December 23, 2025.

It’s optimal to fly from Idaho to Tennessee in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Idaho to Tennessee?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Tennessee. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Idaho to Tennessee flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 23, 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
11,512 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,512 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Southwest
8.0
Very good
4,253 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Delta
7.9
Good
8,014 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,105 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
American Airlines
7.2
Good
11,054 reviews
Alaska Airlines
8.0
Very good
11,512 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 $217, Alaska Airlines can have you in Tennessee from Idaho in 8h 16m. 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 $104. American Airlines flights start at $131 while deals on Alaska Airlines start at $135 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, 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 May is currently the most expensive (average of $300). 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$204Average$495FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$451FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$273Average$534FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$283Average$505FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$284Average$541FlexibilityNo cancel feeOn-time63%

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