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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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$240
(Delta)

One-way from

$126
(CheapOair)

Popular in

November

Cheapest in

January

Average price

$375
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Nashville Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Nashville Intl flights.
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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. 10% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This Delta deal was found by Cheapflights users on 4/23. 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 5/282:10 pmGEG - TYS
1 stop5h 54mDelta
Wed 6/114:11 pmTYS - GEG
1 stop8h 48mDelta
Deal found 4/23$240
This Delta deal was found by Cheapflights users on 4/23. 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 8/511:30 pmBOI - TYS
1 stop7h 43mDelta
Mon 8/114:00 pmTYS - BOI
1 stop8h 33mDelta
Deal found 4/23$270
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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.
Sat 9/207:43 pmGEG - BNA
1 stop7h 57mAlaska Airlines
Sat 9/277:00 amBNA - GEG
1 stop9h 49mAlaska Airlines
Deal found 4/24$271
This American Airlines deal was found by Cheapflights users on 4/23. 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 8/1912:22 pmGEG - TYS
1 stop9h 00mAmerican Airlines
Sun 8/245:18 amTYS - GEG
2 stops10h 27mAmerican Airlines
Deal found 4/23$275
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 8/87:12 pmBOI - BNA
1 stop9h 28mAlaska Airlines
Fri 8/157:00 amBNA - BOI
1 stop9h 04mAlaska Airlines
Deal found 4/23$294
This Hawaiian Airlines deal was found by Cheapflights users on 4/24. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/207:43 pmGEG - BNA
1 stop7h 57mHawaiian Airlines
Sat 9/279:00 amBNA - GEG
1 stop8h 50mHawaiian Airlines
Deal found 4/24$296
This Delta deal was found by Cheapflights users on 4/23. 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 6/281:00 pmGEG - BNA
1 stop7h 15mDelta
Sat 7/55:20 pmBNA - GEG
1 stop8h 46mDelta
Deal found 4/23$297
This Delta deal was found by Cheapflights users on 4/23. 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 5/2812:50 pmBOI - BNA
1 stop8h 21mDelta
Tue 6/36:36 pmBNA - BOI
1 stop6h 46mDelta
Deal found 4/23$307
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/215:29 amGEG - BNA
2 stops8h 25mUnited Airlines
Wed 5/287:34 amBNA - GEG
2 stops11h 47mUnited Airlines
Deal found 4/23$307
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/101:38 pmBOI - CHA
1 stop8h 17mAmerican Airlines
Wed 5/145:30 amCHA - BOI
1 stop9h 15mAmerican Airlines
Deal found 4/22$314
This Expedia deal was found by Cheapflights users on 4/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:59 pmBOI - BNA
1 stop7h 41mMultiple Airlines
Sun 6/157:18 pmBNA - BOI
1 stop14h 23mMultiple Airlines
Deal found 4/23$322
This American Airlines deal was found by Cheapflights users on 4/23. 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 6/113:35 pmBOI - MEM
1 stop6h 01mAmerican Airlines
Tue 6/177:50 amMEM - BOI
1 stop6h 29mAmerican Airlines
Deal found 4/23$325

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 April 24, 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

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Wed 5/28

2:10 pm-11:04 pm

1 stop5h 54m

Knoxville McGhee Tyson

Wed 6/11

4:11 pm-9:59 pm

1 stop8h 48m

$240

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 8/5

11:30 pm-9:13 am

1 stop7h 43m

Knoxville McGhee Tyson

Mon 8/11

4:00 pm-10:33 pm

1 stop8h 33m

$270

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sat 9/20

7:43 pm-5:40 am

1 stop7h 57m

Nashville Intl

Sat 9/27

7:00 am-2:49 pm

1 stop9h 49m

$271

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 8/19

12:22 pm-12:22 am

1 stop9h 00m

Knoxville McGhee Tyson

Sun 8/24

5:18 am-12:45 pm

2 stops10h 27m

$275

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sat 9/20

7:43 pm-5:40 am

1 stop7h 57m

Nashville Intl

Sat 9/27

9:00 am-3:50 pm

1 stop8h 50m

$296

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sat 6/28

1:00 pm-10:15 pm

1 stop7h 15m

Nashville Intl

Sat 7/5

5:20 pm-12:06 am

1 stop8h 46m

$297

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 5/21

5:29 am-3:54 pm

2 stops8h 25m

Nashville Intl

Wed 5/28

7:34 am-5:21 pm

2 stops11h 47m

$307

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 5/28

12:50 pm-10:11 pm

1 stop8h 21m

Nashville Intl

Tue 6/3

6:36 pm-12:22 am

1 stop6h 46m

$307

BoiseChattanooga

BOI - CHA

BOICHA

Boise Air Term. Gowen Fld

Sat 5/10

1:38 pm-11:55 pm

1 stop8h 17m

Chattanooga Lovell Field

Wed 5/14

5:30 am-12:45 pm

1 stop9h 15m

$314

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Thu 9/25

5:44 pm-5:40 am

1 stop10h 56m

Nashville Intl

Wed 10/1

7:00 am-2:55 pm

1 stop8h 55m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 52 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 $292). 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 April 24, 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.

Rainfall in Tennessee by month

Plan your trip to Tennessee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Tennessee ranges from 2.8 - 5.0 inches per month. May is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Tennessee when rainfall is around 2.8 in.

Temperature in Tennessee by month

Plan your trip to Tennessee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Tennessee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

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 April 24, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Idaho to Tennessee have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,393 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $126. Alaska Airlines flights start at $135 while deals on American Airlines start at $149 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 $292). 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 6 airlines flying from Idaho to Tennessee

Discover the top 6 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$111Average$235FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$459FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$221Average$636FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$258Average$545FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$585FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$322Average$464FlexibilityNo cancel feeOn-time63%

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