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$167+ Cheap flights from Idaho Falls (IDA) 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BNA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find flight deals from Idaho Falls to Tennessee

Cheapest flights from Idaho Falls to Tennessee
Explore the most affordable flight options available from Idaho Falls to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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 11/106:57 pmIDA - TYS
2 stops12h 40mDelta
Wed 11/195:35 amTYS - IDA
2 stops8h 59mDelta
Deal found 10/26$324
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 11/135:00 amIDA - BNA
1 stop5h 38mUnited Airlines
Wed 11/192:35 pmBNA - IDA
1 stop7h 28mUnited Airlines
Deal found 10/27$382
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/46:05 amIDA - BNA
1 stop16h 54mAlaska Airlines
Wed 12/107:00 amBNA - IDA
1 stop17h 59mAlaska Airlines
Deal found 10/27$402
This Mytrip deal was found by Cheapflights users on 10/26. 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 11/1410:56 pmIDA - BNA
3 stops23h 19mMultiple Airlines
Sun 11/166:21 pmBNA - IDA
2 stops19h 46mMultiple Airlines
Deal found 10/26$405
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/107:00 amIDA - TYS
1 stop6h 51mUnited Airlines
Wed 11/194:55 pmTYS - IDA
1 stop7h 57mUnited Airlines
Deal found 10/26$406
This Delta deal was found by Cheapflights users on 10/27. 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 12/47:06 pmIDA - BNA
2 stops12h 16mDelta
Wed 12/107:14 amBNA - IDA
1 stop6h 23mDelta
Deal found 10/27$426
This Mytrip deal was found by Cheapflights users on 10/27. 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 12/44:39 pmIDA - BNA
3 stops28h 48mMultiple Airlines
Wed 12/106:10 amBNA - IDA
3 stops34h 39mMultiple Airlines
Deal found 10/27$427
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/47:00 amIDA - BNA
2 stops10h 35mAmerican Airlines
Wed 12/1010:31 amBNA - IDA
2 stops13h 05mAmerican Airlines
Deal found 10/27$442
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/242:30 pmIDA - BNA
1 stop5h 29mUnited Airlines
Tue 12/306:05 pmBNA - IDA
1 stop5h 54mUnited Airlines
Deal found 10/27$443
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:44 amIDA - TYS
2 stops10h 17mAmerican Airlines
Sat 11/18:09 amTYS - IDA
1 stop6h 15mAmerican Airlines
Deal found 10/28$570
This United Airlines deal was found by Cheapflights users on 10/27. 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 10/297:00 amIDA - TYS
1 stop5h 43mUnited Airlines
Sat 11/14:50 pmTYS - IDA
1 stop6h 13mUnited Airlines
Deal found 10/27$589
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/205:00 amIDA - TYS
2 stops27h 56mUnited Airlines
Sun 1/116:45 amTYS - IDA
2 stops32h 45mUnited Airlines
Deal found 10/25$648

Cheap flight deals from Idaho Falls to Tennessee

Keep the following information in mind while searching for Idaho Falls to Tennessee flight deals. Data was last updated October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$324
(Delta)

One-way from

$167
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$590
Provider with most accurate pricing for Idaho Falls Fanning Field-Nashville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Nashville Intl flights.
Search Deals
From Idaho Falls Fanning Field to Tennessee
Search Deals
One-way flight from Idaho Falls Fanning Field to Tennessee
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 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 Idaho Falls 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 October 28, 2025.
Use the filters below to find and compare flights from Idaho Falls to Tennessee that are best for you.

Fly from

Idaho Falls

Fly to

Tennessee

Route

Depart

Return

Price

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Mon 11/10

6:57 pm-9:37 am

2 stops12h 40m

Knoxville McGhee Tyson

Wed 11/19

5:35 am-12:34 pm

2 stops8h 59m

$324

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Tue 3/10

10:45 am-9:23 pm

2 stops9h 38m

Nashville Intl

Wed 3/11

2:26 pm-9:09 pm

1 stop7h 43m

$341

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Tue 3/10

1:05 pm-10:20 pm

1 stop8h 15m

Nashville Intl

Wed 3/11

1:45 pm-6:15 pm

1 stop5h 30m

$370

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Thu 11/13

5:00 am-11:38 am

1 stop5h 38m

Nashville Intl

Wed 11/19

2:35 pm-9:03 pm

1 stop7h 28m

$382

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Thu 12/4

6:05 am-11:59 pm

1 stop16h 54m

Nashville Intl

Wed 12/10

7:00 am-11:59 pm

1 stop17h 59m

$402

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-11:15 pm

3 stops23h 19m

Nashville Intl

Sun 11/16

6:21 pm-1:07 pm

2 stops19h 46m

$405

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Mon 11/10

7:00 am-3:51 pm

1 stop6h 51m

Knoxville McGhee Tyson

Wed 11/19

4:55 pm-10:52 pm

1 stop7h 57m

$406

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Sat 3/7

4:19 pm-9:48 am

2 stops15h 29m

Knoxville McGhee Tyson

Wed 3/11

7:00 am-1:34 pm

2 stops8h 34m

$473

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Sat 3/7

2:02 pm-11:40 pm

1 stop7h 38m

Knoxville McGhee Tyson

Wed 3/11

5:49 am-12:22 pm

1 stop8h 33m

$609

Idaho FallsChattanooga

IDA - CHA

IDACHA

Idaho Falls Fanning Field

Tue 3/10

10:45 am-8:47 pm

2 stops8h 02m

Chattanooga Lovell Field

Wed 3/11

6:30 am-1:34 pm

2 stops9h 04m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 26 results
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Best time to book a flight from Idaho Falls to Tennessee

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

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

Currently, July is the cheapest month in which you can book a flight from Idaho Falls to Tennessee (average of $227). Flying from Idaho Falls to Tennessee in March is currently the most expensive (average of $556). 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 IDA to TN?

Find hourly flight availability from Idaho Falls 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 October 28, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Idaho Falls to Tennessee by exploring options for tickets in the evening.

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 October 28, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Idaho Falls to Tennessee by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Tennessee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Tennessee?

    For a flight from Idaho Falls to Tennessee, you will be flying from Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city.

  • How long is the flight from Idaho Falls to Tennessee?

    A quick flight from Idaho Falls to Tennessee can take about 5h 43m. Delta provides one of the quickest options available for as low as $720. There are 1542 mi between Idaho Falls and Tennessee. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Idaho Falls to Tennessee are United Airlines ($241), American Airlines ($246), and Alaska Airlines ($265).

  • What are the most popular routes from Idaho Falls to Tennessee?

    When deciding which route to take from Idaho Falls to Tennessee consider Idaho Falls Fanning Field - Nashville Intl, Idaho Falls Fanning Field - Knoxville McGhee Tyson or Idaho Falls Fanning Field - Chattanooga Lovell Field as they are the most popular.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Idaho Falls to Tennessee (average of $227). Flying from Idaho Falls to Tennessee in March is currently the most expensive (average of $556). 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 Falls to Tennessee

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Idaho Falls to Tennessee

Discover the top 3 airlines that operate flights from Idaho Falls 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$274Average$473FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$291Average$484FlexibilityNo cancel feeOn-time69%
DeltaCheapest$336Average$468FlexibilityNo cancel feeOn-timeN/A

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