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$149+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
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 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$264
(Delta)

One-way from

$149
(Delta)

Popular in

November

Cheapest in

January

Average price

$378
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 ($50 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 4, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 10/158:30 pmBOI - BNA
1 stop8h 16mAlaska Airlines
Tue 10/217:00 amBNA - BOI
1 stop7h 45mAlaska Airlines
Deal found 4/2$228
This Delta deal was found by Cheapflights users on 4/3. 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 8/2110:59 pmGEG - TYS
1 stop9h 08mDelta
Sun 8/316:45 amTYS - GEG
1 stop9h 32mDelta
Deal found 4/3$259
This Delta deal was found by Cheapflights users on 4/2. 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 7/811:30 pmBOI - TYS
1 stop7h 43mDelta
Sat 7/125:30 amTYS - BOI
2 stops10h 30mDelta
Deal found 4/2$264
This Mytrip deal was found by Cheapflights users on 4/3. 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.
Sun 5/49:35 amGEG - MEM
1 stop24h 54mMultiple Airlines
Sat 5/105:14 pmMEM - GEG
2 stops17h 31mMultiple Airlines
Deal found 4/3$273
This American Airlines deal was found by Cheapflights users on 4/3. 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 stop6h 15mAmerican Airlines
Sun 8/245:18 amTYS - GEG
2 stops10h 17mAmerican Airlines
Deal found 4/3$275
This Alaska Airlines deal was found by Cheapflights users on 4/3. 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 9/67:43 pmGEG - BNA
1 stop7h 57mAlaska Airlines
Thu 9/119:00 amBNA - GEG
1 stop9h 55mAlaska Airlines
Deal found 4/3$275
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Sat 4/1912:06 pmBOI - CHA
1 stop8h 54mUnited Airlines
Wed 4/236:45 amCHA - BOI
1 stop7h 25mUnited Airlines
Deal found 4/3$284
This Delta deal was found by Cheapflights users on 4/3. 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 4/192:30 pmBOI - CHA
1 stop7h 18mDelta
Wed 4/235:45 amCHA - BOI
2 stops10h 50mDelta
Deal found 4/3$289
This Delta deal was found by Cheapflights users on 4/3. 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.
Mon 9/1510:59 pmGEG - CHA
1 stop7h 06mDelta
Thu 10/23:15 pmCHA - GEG
1 stop9h 45mDelta
Deal found 4/3$289
This American Airlines deal was found by Cheapflights users on 4/3. 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 5/61:38 pmBOI - TYS
1 stop8h 20mAmerican Airlines
Tue 5/135:20 amTYS - BOI
2 stops10h 00mAmerican Airlines
Deal found 4/3$294
This Hawaiian Airlines deal was found by Cheapflights users on 4/4. 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 9/208:48 pmGEG - BNA
1 stop6h 52mHawaiian Airlines
Sat 9/275:27 pmBNA - GEG
1 stop7h 44mHawaiian Airlines
Deal found 4/4$296
This Delta deal was found by Cheapflights users on 4/3. 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 4/233:35 pmGEG - BNA
1 stop6h 24mDelta
Wed 4/306:00 amBNA - GEG
1 stop9h 05mDelta
Deal found 4/3$297

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 4, 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

Thu 8/21

10:59 pm-11:07 am

1 stop9h 08m

Knoxville McGhee Tyson

Sun 8/31

6:45 am-1:17 pm

1 stop9h 32m

$259

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 7/8

11:30 pm-9:13 am

1 stop7h 43m

Knoxville McGhee Tyson

Sat 7/12

5:30 am-2:00 pm

2 stops10h 30m

$264

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 4/22

4:20 pm-12:12 am

1 stop6h 52m

Nashville Intl

Tue 5/6

7:10 am-10:39 pm

1 stop16h 29m

$267

SpokaneMemphis

GEG - MEM

GEGMEM

Spokane

Sun 5/4

9:35 am-12:29 pm

1 stop24h 54m

Memphis

Sat 5/10

5:14 pm-8:45 am

2 stops17h 31m

$273

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 8/19

12:22 pm-9:37 pm

1 stop6h 15m

Knoxville McGhee Tyson

Sun 8/24

5:18 am-12:35 pm

2 stops10h 17m

$275

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sat 9/6

7:43 pm-5:40 am

1 stop7h 57m

Nashville Intl

Thu 9/11

9:00 am-4:55 pm

1 stop9h 55m

$275

BoiseChattanooga

BOI - CHA

BOICHA

Boise Air Term. Gowen Fld

Sat 4/19

12:06 pm-11:00 pm

1 stop8h 54m

Chattanooga Lovell Field

Wed 4/23

6:45 am-12:10 pm

1 stop7h 25m

$284

BoiseChattanooga

BOI - CHA

BOICHA

Boise Air Term. Gowen Fld

Sat 4/19

2:30 pm-11:48 pm

1 stop7h 18m

Chattanooga Lovell Field

Wed 4/23

5:45 am-2:35 pm

2 stops10h 50m

$289

SpokaneChattanooga

GEG - CHA

GEGCHA

Spokane

Mon 9/15

10:59 pm-9:05 am

1 stop7h 06m

Chattanooga Lovell Field

Thu 10/2

3:15 pm-10:00 pm

1 stop9h 45m

$289

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 5/6

1:38 pm-11:58 pm

1 stop8h 20m

Knoxville McGhee Tyson

Tue 5/13

5:20 am-1:20 pm

2 stops10h 00m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 59 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 4, 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 4, 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
9,836 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,836 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,901 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,347 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,621 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Delta, which is currently one of the cheapest options available, starting at $149. Alaska Airlines flights start at $153 while deals on Frontier start at $161 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.

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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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$111Average$252FlexibilityNo cancel feeOn-time65%
DeltaCheapest$238Average$479FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$547FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$589FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$305Average$657FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$321Average$464FlexibilityNo cancel feeOn-time63%

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