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$99+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$193
(Alaska Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

November

Cheapest in

April

Average price

$436
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. 11% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/88:48 pmGEG - BNA
1 stop6h 52mAlaska Airlines
Sat 8/99:00 amBNA - GEG
1 stop9h 06mAlaska Airlines
Deal found 6/10$193
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:49 pmBOI - MEM
1 stop13h 04mMultiple Airlines
Mon 9/81:48 pmMEM - BOI
1 stop7h 56mMultiple Airlines
Deal found 6/12$194
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/237:44 pmGEG - BNA
1 stop7h 56mHawaiian Airlines
Wed 7/307:00 amBNA - GEG
1 stop7h 28mHawaiian Airlines
Deal found 6/10$198
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:49 pmBOI - MEM
1 stop14h 56mSpirit Airlines
Mon 9/82:42 pmMEM - BOI
1 stop7h 02mSpirit Airlines
Deal found 6/12$203
This Southwest deal was found by Cheapflights users on 6/11. 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 9/162:45 pmGEG - BNA
1 stop12h 15mSouthwest
Wed 9/247:35 amBNA - GEG
2 stops15h 55mSouthwest
Deal found 6/11$215
This Delta deal was found by Cheapflights users on 6/10. 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 8/59:05 amGEG - BNA
2 stops10h 55mDelta
Mon 8/115:10 pmBNA - GEG
1 stop7h 58mDelta
Deal found 6/10$237
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:49 pmBOI - BNA
1 stop16h 04mSpirit Airlines
Sun 9/149:15 amBNA - BOI
1 stop12h 29mSpirit Airlines
Deal found 6/10$248
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 7/25:43 pmBOI - BNA
1 stop10h 57mAlaska Airlines
Sat 7/57:00 amBNA - BOI
1 stop9h 04mAlaska Airlines
Deal found 6/10$262
This American Airlines deal was found by Cheapflights users on 6/11. 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 10/71:41 pmBOI - BNA
2 stops7h 55mAmerican Airlines
Tue 10/147:17 amBNA - BOI
1 stop6h 27mAmerican Airlines
Deal found 6/11$268
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/111:30 pmGEG - BNA
1 stop6h 44mAmerican Airlines
Sun 9/145:34 amBNA - GEG
1 stop9h 10mAmerican Airlines
Deal found 6/11$268
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1711:58 amGEG - BNA
1 stop10h 03mFrontier
Sun 7/206:20 amBNA - GEG
1 stop6h 43mFrontier
Deal found 6/11$276
This Delta deal was found by Cheapflights users on 6/10. 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 9/2511:30 pmBOI - BNA
1 stop9h 20mDelta
Wed 10/15:25 amBNA - BOI
1 stop8h 13mDelta
Deal found 6/10$278

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 June 12, 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

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Fri 8/8

8:48 pm-5:40 am

1 stop6h 52m

Nashville Intl

Sat 8/9

9:00 am-4:06 pm

1 stop9h 06m

$193

BoiseMemphis

BOI - MEM

BOIMEM

Boise Air Term. Gowen Fld

Thu 9/4

9:49 pm-11:53 am

1 stop13h 04m

Memphis

Mon 9/8

1:48 pm-8:44 pm

1 stop7h 56m

$194

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 7/23

7:44 pm-5:40 am

1 stop7h 56m

Nashville Intl

Wed 7/30

7:00 am-12:28 pm

1 stop7h 28m

$198

BoiseMemphis

BOI - MEM

BOIMEM

Boise Air Term. Gowen Fld

Fri 9/5

9:49 pm-1:45 pm

1 stop14h 56m

Memphis

Mon 9/8

2:42 pm-8:44 pm

1 stop7h 02m

$203

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 9/16

2:45 pm-5:00 am

1 stop12h 15m

Nashville Intl

Wed 9/24

7:35 am-9:30 pm

2 stops15h 55m

$215

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 8/5

9:05 am-10:00 pm

2 stops10h 55m

Nashville Intl

Thu 8/14

5:10 pm-12:02 am

1 stop8h 52m

$237

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 7/2

5:43 pm-5:40 am

1 stop10h 57m

Nashville Intl

Sat 7/5

7:00 am-3:04 pm

1 stop9h 04m

$262

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 8/27

1:07 pm-10:19 pm

1 stop8h 12m

Nashville Intl

Wed 9/3

9:33 am-8:02 pm

2 stops11h 29m

$268

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 9/11

1:30 pm-10:14 pm

1 stop6h 44m

Nashville Intl

Sun 9/14

5:34 am-12:44 pm

1 stop9h 10m

$268

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 7/17

11:58 am-12:01 am

1 stop10h 03m

Nashville Intl

Sun 7/20

6:20 am-11:03 am

1 stop6h 43m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $289). 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 June 12, 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 June 12, 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
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Alaska Airlines, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $100 while deals on Spirit Airlines start at $101 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 $289). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$89Average$243FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$462FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$221Average$557FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$242Average$515FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$544FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$322Average$466FlexibilityNo cancel feeOn-time63%

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