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Idaho

$90+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — BOI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/30. 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 11/204:17 pmBNA - GEG
1 stop21h 08mFrontier
Sat 11/2212:06 pmGEG - BNA
1 stop25h 16mFrontier
Deal found 10/30$283
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/214:48 pmTYS - GEG
1 stop21h 23mMultiple Airlines
Thu 12/49:13 pmGEG - TYS
1 stop16h 49mMultiple Airlines
Deal found 10/28$290
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/197:02 pmBNA - BOI
1 stop17h 57mFrontier
Sun 1/412:38 pmBOI - BNA
1 stop28h 29mFrontier
Deal found 10/29$305
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Tue 12/29:00 pmBNA - IDA
1 stop15h 29mMultiple Airlines
Thu 12/44:39 pmIDA - BNA
2 stops22h 12mMultiple Airlines
Deal found 10/30$308
This Delta deal was found by Cheapflights users on 10/29. 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 12/257:14 amBNA - GEG
1 stop6h 52mDelta
Tue 1/61:15 pmGEG - BNA
1 stop6h 52mDelta
Deal found 10/29$309
This Delta deal was found by Cheapflights users on 10/28. 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 12/206:36 pmBNA - GEG
1 stop6h 40mDelta
Thu 12/251:15 pmGEG - BNA
1 stop6h 47mDelta
Deal found 10/28$320
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:00 pmBNA - BOI
2 stops24h 43mMultiple Airlines
Sun 12/2112:38 pmBOI - BNA
1 stop28h 29mMultiple Airlines
Deal found 10/29$322
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/147:40 amMEM - JAC
1 stop5h 21mDelta
Wed 11/197:00 amJAC - MEM
2 stops10h 00mDelta
Deal found 10/29$324
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 11/212:35 pmBNA - GEG
1 stop8h 10mUnited Airlines
Mon 11/2411:25 amGEG - BNA
1 stop6h 08mUnited Airlines
Deal found 10/28$329
This Delta deal was found by Cheapflights users on 10/29. 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 12/134:50 pmBNA - JAC
1 stop5h 39mDelta
Sat 12/2012:50 pmJAC - BNA
1 stop7h 50mDelta
Deal found 10/29$329
This Delta deal was found by Cheapflights users on 10/28. 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.
Fri 11/216:00 amBNA - GEG
1 stop9h 14mDelta
Mon 11/249:20 amGEG - BNA
2 stops10h 39mDelta
Deal found 10/28$334
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:30 amTYS - GEG
2 stops12h 37mMultiple Airlines
Thu 12/49:13 pmGEG - TYS
1 stop16h 49mMultiple Airlines
Deal found 10/28$338

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$300
(Alaska Airlines)

One-way from

$90
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$431
Provider with most accurate pricing for Nashville Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Tennessee to Idaho
Search Deals
One-way flight from Tennessee to Idaho
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
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 October 30, 2025.
Use the filters below to find and compare flights from Tennessee to Idaho that are best for you.

Fly from

Tennessee

Fly to

Idaho

Route

Depart

Return

Price

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 11/20

4:17 pm-11:25 am

1 stop21h 08m

Spokane

Sat 11/22

12:06 pm-3:22 pm

1 stop25h 16m

$283

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Sat 1/17

7:00 am-3:03 pm

1 stop10h 03m

Spokane

Tue 1/20

5:45 am-3:21 pm

1 stop7h 36m

$300

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Sat 1/17

4:00 pm-9:22 pm

1 stop7h 22m

Spokane

Tue 1/20

6:53 am-9:50 pm

2 stops12h 57m

$306

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 12/2

9:00 pm-11:29 am

1 stop15h 29m

Idaho Falls Fanning Field

Thu 12/4

4:39 pm-3:51 pm

2 stops22h 12m

$308

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 12/25

7:14 am-12:06 pm

1 stop6h 52m

Spokane

Tue 1/6

1:15 pm-10:07 pm

1 stop6h 52m

$309

KnoxvilleJackson

TYS - JAC

TYSJAC

Knoxville McGhee Tyson

Thu 1/8

7:54 am-12:21 pm

1 stop6h 27m

Jackson Hole

Mon 1/12

1:42 pm-10:09 pm

1 stop6h 27m

$309

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 1/22

7:00 am-12:44 pm

1 stop7h 44m

Spokane

Mon 1/26

1:38 pm-11:59 pm

1 stop8h 21m

$316

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 1/22

7:00 am-3:03 pm

1 stop10h 03m

Spokane

Mon 1/26

5:45 am-3:21 pm

1 stop7h 36m

$316

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 1/22

7:15 am-3:00 pm

2 stops9h 45m

Spokane

Mon 1/26

3:40 pm-11:59 pm

1 stop6h 19m

$322

MemphisJackson

MEM - JAC

MEMJAC

Memphis

Fri 11/14

7:40 am-12:01 pm

1 stop5h 21m

Jackson Hole

Wed 11/19

7:00 am-6:00 pm

2 stops10h 00m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 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.

Cheapflights Insights

Everything you need to know about your flight from Tennessee to Idaho

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

Currently, April is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $156). Flying from Tennessee to Idaho in March is currently the most expensive (average of $301). 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 October 30, 2025.

One of the essential ways to save on airfare from Tennessee to Idaho is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 35% on airfare.

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

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

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

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 October 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Tennessee to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,217 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,243 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,998 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,035 reviews
Alaska Airlines
8.0
Very good
11,217 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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.

  • How long is the flight from Tennessee to Idaho?

    There are many flights that can get you from Tennessee to Idaho in 7h 22m. Fly via Frontier, Alaska Airlines, or United Airlines to get the fastest option. The distance from Tennessee to Idaho is about 1758 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $137. Alaska Airlines flights start at $150 while deals on United Airlines start at $151 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, April is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $156). Flying from Tennessee to Idaho in March is currently the most expensive (average of $301). 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 6 airlines flying from Tennessee to Idaho

Discover the top 6 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$155Average$246FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$172Average$542FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$572FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$237Average$397FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$270Average$517FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$339Average$436FlexibilityNo cancel feeOn-time63%

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