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$112+ Cheap flights from Tennessee to Idaho

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — BOI
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Tennessee to Idaho

Keep the following information in mind while searching for Tennessee to Idaho flight deals. Data was last updated February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Delta)

One-way from

$112
(Delta)

Popular in

December

Cheapest in

November

Average price

$400
Provider with most accurate pricing for Nashville Intl-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Nashville Intl-Boise Air Term. Gowen Fld flights.
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From Tennessee to Idaho
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One-way flight from Tennessee to Idaho
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Highest demand for flights based on searches. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Tennessee to Idaho

Cheapest flights from Tennessee to Idaho
Explore the most affordable flight options available from Tennessee to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:35 pmBNA - BOI
1 stop6h 24mDelta
Sun 4/272:10 pmBOI - BNA
1 stop8h 49mDelta
Deal found 2/21$209
This American Airlines deal was found by Cheapflights users on 2/22. 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 4/24:09 pmTYS - GEG
2 stops9h 55mAmerican Airlines
Wed 4/236:27 amGEG - TYS
2 stops11h 56mAmerican Airlines
Deal found 2/22$239
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:25 amBNA - GEG
1 stop9h 28mDelta
Mon 4/213:35 pmGEG - BNA
1 stop6h 24mDelta
Deal found 2/21$243
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Tue 4/294:25 pmBNA - GEG
1 stop8h 34mAmerican Airlines
Wed 5/71:22 pmGEG - BNA
1 stop7h 19mAmerican Airlines
Deal found 2/21$297
This Expedia deal was found by Cheapflights users on 2/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:10 amBNA - BOI
1 stop7h 37mMultiple Airlines
Fri 5/22:34 pmBOI - BNA
2 stops18h 37mMultiple Airlines
Deal found 2/21$302
This Delta deal was found by Cheapflights users on 2/22. 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 4/25:45 amTYS - GEG
1 stop9h 10mDelta
Wed 4/2312:45 pmGEG - TYS
1 stop8h 03mDelta
Deal found 2/22$314
This Southwest deal was found by Cheapflights users on 2/21. 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.
Thu 5/156:00 amBNA - BOI
1 stop12h 15mSouthwest
Tue 5/204:40 pmBOI - BNA
1 stop6h 30mSouthwest
Deal found 2/21$318
This American Airlines deal was found by Cheapflights users on 2/21. 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 3/261:30 pmBNA - BOI
2 stops9h 25mAmerican Airlines
Sat 3/291:54 pmBOI - BNA
2 stops8h 53mAmerican Airlines
Deal found 2/21$319
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 3/267:00 amBNA - BOI
1 stop7h 52mAlaska Airlines
Sun 3/309:40 amBOI - BNA
1 stop13h 19mAlaska Airlines
Deal found 2/21$327
This Booking.com deal was found by Cheapflights users on 2/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/142:54 pmBNA - BOI
2 stops22h 38mSpirit Airlines
Tue 3/181:31 pmBOI - BNA
2 stops20h 28mSpirit Airlines
Deal found 2/21$332
This Delta deal was found by Cheapflights users on 2/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:00 amMEM - GEG
1 stop8h 58mDelta
Wed 4/302:15 pmGEG - MEM
1 stop6h 25mDelta
Deal found 2/21$337
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Sat 3/84:00 pmTYS - GEG
1 stop7h 53mUnited Airlines
Wed 3/125:00 amGEG - TYS
1 stop7h 06mUnited Airlines
Deal found 2/21$340

Find flights from Tennessee to Idaho within your budget

Customize your flight search to find flights from Tennessee to Idaho 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 February 22, 2025.

Fly from

Tennessee

Fly to

Idaho

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 4/23

6:35 pm-11:59 pm

1 stop6h 24m

Boise Air Term. Gowen Fld

Sun 4/27

2:10 pm-11:59 pm

1 stop8h 49m

$209

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

Wed 4/2

4:09 pm-11:04 pm

2 stops9h 55m

Spokane

Wed 4/23

6:27 am-9:23 pm

2 stops11h 56m

$239

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 4/17

7:25 am-2:53 pm

1 stop9h 28m

Spokane

Mon 4/21

3:35 pm-11:59 pm

1 stop6h 24m

$243

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 4/29

4:25 pm-10:59 pm

1 stop8h 34m

Spokane

Wed 5/7

1:22 pm-10:41 pm

1 stop7h 19m

$297

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 4/23

7:10 am-1:47 pm

1 stop7h 37m

Boise Air Term. Gowen Fld

Fri 5/2

2:34 pm-10:11 am

2 stops18h 37m

$302

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

Wed 4/2

5:45 am-11:55 am

1 stop9h 10m

Spokane

Wed 4/23

12:45 pm-11:48 pm

1 stop8h 03m

$314

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 5/15

6:00 am-5:15 pm

1 stop12h 15m

Boise Air Term. Gowen Fld

Tue 5/20

4:40 pm-12:10 am

1 stop6h 30m

$318

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 3/26

1:30 pm-9:55 pm

2 stops9h 25m

Boise Air Term. Gowen Fld

Sat 3/29

1:54 pm-11:47 pm

2 stops8h 53m

$319

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 3/26

7:00 am-1:52 pm

1 stop7h 52m

Boise Air Term. Gowen Fld

Sun 3/30

9:40 am-11:59 pm

1 stop13h 19m

$327

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 3/14

2:54 pm-12:32 pm

2 stops22h 38m

Boise Air Term. Gowen Fld

Tue 3/18

1:31 pm-10:59 am

2 stops20h 28m

$332

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 52 results
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Best time to book a flight from Tennessee to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Tennessee 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.

Travel insights for flights from Tennessee to Idaho

Get recent, data-driven insights about flights from Tennessee to Idaho including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Tennessee to Idaho?

Currently, October is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $314). Flying from Tennessee to Idaho in June is currently the most expensive (average of $436). 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 TN to ID?

Find hourly flight availability from Tennessee to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 22, 2025.

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

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated February 22, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Tennessee to Idaho have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,314 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,754 reviews
Southwest
8.1
Very good
4,396 reviews

Comfort

8.1

Overall

8.1

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Idaho. 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 Tennessee to Idaho one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $112. Spirit Airlines flights start at $118 while deals on American Airlines start at $171 one-way.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $314). Flying from Tennessee to Idaho in June is currently the most expensive (average of $436). 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 Tennessee to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Tennessee to Idaho

Discover the top 5 airlines that operate flights from Tennessee to Idaho. 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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$143Average$198FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$593FlexibilityNo cancel feeOn-time71%
DeltaCheapest$277Average$497FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$303Average$571FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$343Average$403FlexibilityNo cancel feeOn-time63%
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