Idaho

$91+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — BOI
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Tennessee to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$198
(Hawaiian Airlines)

One-way from

$91
(Mytrip)

Popular in

December

Cheapest in

August

Average price

$412
From Tennessee to Idaho
One-way flight from Tennessee to Idaho
Highest demand for flights based on searches. 4% potential increase in price ($19 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 6/9. 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 8/25:44 pmBNA - GEG
1 stop7h 12mHawaiian Airlines
Sat 8/96:07 pmGEG - BNA
1 stop9h 33mHawaiian Airlines
Deal found 6/9$198
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 7/307:00 amBNA - GEG
1 stop7h 28mAlaska Airlines
Mon 8/116:07 pmGEG - BNA
1 stop9h 33mAlaska Airlines
Deal found 6/9$199
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.
Mon 8/182:42 pmMEM - BOI
1 stop7h 02mSpirit Airlines
Mon 8/259:49 pmBOI - MEM
1 stop14h 56mSpirit Airlines
Deal found 6/10$203
This Delta deal was found by Cheapflights users on 6/9. 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 7/295:20 pmBNA - GEG
1 stop8h 44mDelta
Wed 8/69:05 amGEG - BNA
2 stops10h 55mDelta
Deal found 6/9$237
This Sun Country Air deal was found by Cheapflights users on 6/9. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:37 pmBNA - BOI
1 stop25h 19mSun Country Air
Sun 8/35:56 pmBOI - BNA
1 stop21h 23mSun Country Air
Deal found 6/9$265
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:48 amMEM - IDA
1 stop6h 28mAmerican Airlines
Sat 9/612:43 pmIDA - MEM
1 stop7h 20mAmerican Airlines
Deal found 6/10$269
This Delta deal was found by Cheapflights users on 6/9. 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 9/412:46 pmMEM - JAC
1 stop8h 07mDelta
Wed 9/1011:40 amJAC - MEM
1 stop5h 12mDelta
Deal found 6/9$269
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/42:32 pmBNA - GEG
2 stops10h 03mAmerican Airlines
Sun 9/76:00 amGEG - BNA
1 stop8h 54mAmerican Airlines
Deal found 6/12$274
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:27 amMEM - JAC
2 stops10h 59mAmerican Airlines
Tue 8/263:40 pmJAC - MEM
1 stop6h 13mAmerican Airlines
Deal found 6/10$274
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/206:20 amBNA - GEG
1 stop6h 43mFrontier
Thu 7/3111:58 amGEG - BNA
1 stop10h 03mFrontier
Deal found 6/12$276
This American Airlines deal was found by Cheapflights users on 6/9. 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 9/185:34 amBNA - BOI
1 stop7h 58mAmerican Airlines
Wed 9/246:59 amBOI - BNA
1 stop7h 44mAmerican Airlines
Deal found 6/9$278
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/267:45 pmMEM - IDA
1 stop17h 00mMultiple Airlines
Mon 6/306:17 pmIDA - MEM
1 stop23h 27mMultiple Airlines
Deal found 6/10$279

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 June 12, 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

Sat 8/2

7:00 am-12:28 pm

1 stop7h 28m

Spokane

Sat 8/9

8:48 pm-5:40 am

1 stop6h 52m

$198

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 7/30

5:20 pm-12:04 am

1 stop8h 44m

Spokane

Sat 8/9

1:15 pm-11:55 pm

1 stop8h 40m

$199

MemphisBoise

MEM - BOI

MEMBOI

Memphis

Mon 8/18

2:42 pm-8:44 pm

1 stop7h 02m

Boise Air Term. Gowen Fld

Mon 8/25

9:49 pm-1:45 pm

1 stop14h 56m

$203

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Sat 7/5

7:00 am-12:28 pm

1 stop7h 28m

Spokane

Wed 7/9

6:07 pm-5:40 am

1 stop9h 33m

$231

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sat 7/26

5:37 pm-5:56 pm

1 stop25h 19m

Boise Air Term. Gowen Fld

Sun 8/3

5:56 pm-4:19 pm

1 stop21h 23m

$265

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Tue 9/2

6:48 am-12:16 pm

1 stop6h 28m

Idaho Falls Fanning Field

Sat 9/6

12:43 pm-9:03 pm

1 stop7h 20m

$269

MemphisJackson

MEM - JAC

MEMJAC

Memphis

Thu 9/4

12:46 pm-7:53 pm

1 stop8h 07m

Jackson Hole

Wed 9/10

11:40 am-5:52 pm

1 stop5h 12m

$269

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 9/4

2:32 pm-10:35 pm

2 stops10h 03m

Spokane

Sun 9/7

6:00 am-4:54 pm

1 stop8h 54m

$274

MemphisJackson

MEM - JAC

MEMJAC

Memphis

Fri 8/22

5:27 am-3:26 pm

2 stops10h 59m

Jackson Hole

Tue 8/26

3:40 pm-10:53 pm

1 stop6h 13m

$274

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Sun 7/20

6:20 am-11:03 am

1 stop6h 43m

Spokane

Thu 7/31

11:58 am-12:01 am

1 stop10h 03m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 60 results
1
2
3
...
6

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, 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 $395). 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 June 12, 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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest 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.

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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 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 $100. Hawaiian Airlines flights start at $131 while deals on Alaska Airlines start at $132 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 $395). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Tennessee to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$172Average$555FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$177Average$214FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$237Average$347FlexibilityNo cancel feeOn-time75%
DeltaCheapest$241Average$494FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$311Average$546FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$341Average$427FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.