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$140+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BNA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$246
(Mytrip)

One-way from

$140
(CheapOair)

Popular in

November

Cheapest in

January

Average price

$456
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 ($54 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 May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Fri 6/135:57 pmGEG - MEM
2 stops22h 47mMultiple Airlines
Sat 6/217:45 pmMEM - GEG
1 stop14h 58mMultiple Airlines
Deal found 4/30$246
This Delta deal was found by Cheapflights users on 4/29. 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 8/2112:40 pmGEG - TYS
1 stop8h 07mDelta
Sun 8/316:45 amTYS - GEG
1 stop9h 32mDelta
Deal found 4/29$259
This Delta deal was found by Cheapflights users on 4/29. 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 6/2611:40 pmBOI - TYS
1 stop8h 13mDelta
Tue 7/17:46 amTYS - BOI
2 stops11h 27mDelta
Deal found 4/29$289
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:07 pmGEG - BNA
1 stop9h 33mAlaska Airlines
Mon 8/115:44 pmBNA - GEG
1 stop8h 15mAlaska Airlines
Deal found 4/30$292
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1112:29 pmGEG - BNA
1 stop7h 04mDelta
Tue 7/86:00 amBNA - GEG
1 stop6h 36mDelta
Deal found 4/30$297
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/282:31 pmBOI - BNA
1 stop7h 24mUnited Airlines
Wed 6/46:40 amBNA - BOI
1 stop8h 10mUnited Airlines
Deal found 4/30$307
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/252:10 pmGEG - MEM
1 stop6h 40mDelta
Tue 6/36:00 amMEM - GEG
1 stop8h 46mDelta
Deal found 4/30$307
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:46 amBOI - BNA
2 stops12h 25mDelta
Tue 6/37:12 pmBNA - BOI
1 stop6h 11mDelta
Deal found 4/30$312
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/139:36 amBOI - BNA
1 stop19h 21mSpirit Airlines
Sun 6/157:18 pmBNA - BOI
1 stop14h 23mSpirit Airlines
Deal found 4/29$315
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:42 pmBOI - BNA
1 stop7h 58mAlaska Airlines
Tue 8/269:00 amBNA - BOI
1 stop10h 16mAlaska Airlines
Deal found 4/29$318
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/188:45 pmGEG - BNA
1 stop6h 55mHawaiian Airlines
Tue 9/236:47 pmBNA - GEG
1 stop7h 12mHawaiian Airlines
Deal found 4/30$319
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:21 amGEG - BNA
1 stop6h 18mUnited Airlines
Mon 9/292:25 pmBNA - GEG
1 stop8h 07mUnited Airlines
Deal found 4/29$320

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 May 1, 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

SpokaneMemphis

GEG - MEM

GEGMEM

Spokane

Fri 6/13

5:57 pm-6:44 pm

2 stops22h 47m

Memphis

Sat 6/21

7:45 pm-8:43 am

1 stop14h 58m

$246

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Mon 6/30

11:10 pm-11:08 am

1 stop8h 58m

Knoxville McGhee Tyson

Sat 7/5

5:45 am-1:17 pm

2 stops10h 32m

$264

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Thu 6/26

11:40 pm-9:53 am

1 stop8h 13m

Knoxville McGhee Tyson

Tue 7/1

7:46 am-5:13 pm

2 stops11h 27m

$289

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Fri 8/8

6:07 pm-5:40 am

1 stop9h 33m

Nashville Intl

Mon 8/11

5:44 pm-11:59 pm

1 stop8h 15m

$292

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 6/11

12:29 pm-9:33 pm

1 stop7h 04m

Nashville Intl

Tue 7/8

6:00 am-10:36 am

1 stop6h 36m

$297

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 5/28

2:31 pm-10:55 pm

1 stop7h 24m

Nashville Intl

Wed 6/4

6:40 am-1:50 pm

1 stop8h 10m

$307

SpokaneMemphis

GEG - MEM

GEGMEM

Spokane

Sun 5/25

2:10 pm-10:50 pm

1 stop6h 40m

Memphis

Tue 6/3

6:00 am-12:46 pm

1 stop8h 46m

$307

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 5/28

8:46 am-10:11 pm

2 stops12h 25m

Nashville Intl

Tue 6/3

7:12 pm-12:23 am

1 stop6h 11m

$312

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Fri 6/13

9:36 am-5:57 am

1 stop19h 21m

Nashville Intl

Sun 6/15

7:18 pm-8:41 am

1 stop14h 23m

$315

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 9/18

8:45 pm-5:40 am

1 stop6h 55m

Nashville Intl

Tue 9/23

6:47 pm-11:59 pm

1 stop7h 12m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 $290). 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 May 1, 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 May 1, 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
9,972 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.9

Entertainment

7.1

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 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 Frontier, which is currently one of the cheapest options available, starting at $140. Hawaiian Airlines flights start at $148 while deals on American Airlines start at $149 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 $290). 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$111Average$243FlexibilityNo cancel feeOn-time65%
DeltaCheapest$216Average$475FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$221Average$636FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$258Average$539FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$298Average$583FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$322Average$464FlexibilityNo cancel feeOn-time63%

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