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Idaho Falls

$364+ Cheap flights from Tennessee to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IDA
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Tennessee to Idaho Falls

Cheapest flights from Tennessee to Idaho Falls
Explore the most affordable flight options available from Tennessee to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/2. 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 12/57:00 amMEM - IDA
1 stop7h 27mAmerican Airlines
Mon 12/81:58 pmIDA - MEM
1 stop7h 37mAmerican Airlines
Deal found 11/2$364
This Delta deal was found by Cheapflights users on 11/2. 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 12/52:12 pmMEM - IDA
2 stops9h 09mDelta
Mon 12/87:06 pmIDA - MEM
2 stops13h 21mDelta
Deal found 11/2$384
This American Airlines deal was found by Cheapflights users on 11/1. 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 12/56:46 amBNA - IDA
1 stop7h 41mAmerican Airlines
Sun 12/71:58 pmIDA - BNA
1 stop7h 46mAmerican Airlines
Deal found 11/1$407
This American Airlines deal was found by Cheapflights users on 11/2. 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 11/116:45 amBNA - IDA
1 stop7h 43mAmerican Airlines
Thu 11/131:58 pmIDA - BNA
1 stop6h 33mAmerican Airlines
Deal found 11/2$561
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Sat 11/18:09 amTYS - IDA
1 stop6h 15mAmerican Airlines
Tue 11/47:10 amIDA - TYS
2 stops13h 41mAmerican Airlines
Deal found 10/31$614
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Tue 12/236:05 pmBNA - IDA
1 stop5h 54mUnited Airlines
Sun 12/284:05 pmIDA - BNA
1 stop27h 54mUnited Airlines
Deal found 11/1$618
This United Airlines deal was found by Cheapflights users on 11/1. 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 11/228:30 amBNA - IDA
2 stops13h 33mUnited Airlines
Sun 11/305:00 amIDA - BNA
1 stop5h 58mUnited Airlines
Deal found 11/1$627
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 12/216:05 pmBNA - IDA
1 stop5h 54mUnited Airlines
Sat 12/274:05 pmIDA - BNA
2 stops19h 35mUnited Airlines
Deal found 11/3$670
This American Airlines deal was found by Cheapflights users on 11/1. 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 11/276:30 amTYS - IDA
2 stops11h 16mAmerican Airlines
Mon 12/11:58 pmIDA - TYS
1 stop7h 54mAmerican Airlines
Deal found 11/1$748
This United Airlines deal was found by Cheapflights users on 11/2. 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 11/278:50 amTYS - IDA
1 stop6h 45mUnited Airlines
Mon 12/110:50 amIDA - TYS
2 stops21h 23mUnited Airlines
Deal found 11/2$764
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/19:10 amTYS - IDA
2 stops10h 36mUnited Airlines
Tue 11/48:30 amIDA - TYS
2 stops13h 29mUnited Airlines
Deal found 10/31$775
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/238:50 amTYS - IDA
1 stop16h 02mUnited Airlines
Sun 11/3010:50 amIDA - TYS
2 stops21h 58mUnited Airlines
Deal found 11/2$776

Cheap flight deals from Tennessee to Idaho Falls

Keep the following information in mind while searching for Tennessee to Idaho Falls flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$364
(American Airlines)

Popular in

October

Cheapest in

April

Average price

$493
Provider with most accurate pricing for Nashville Intl-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Nashville Intl-Idaho Falls Fanning Field flights.
Search Deals
From Tennessee to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tennessee to Idaho Falls 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 November 3, 2025.
Use the filters below to find and compare flights from Tennessee to Idaho Falls that are best for you.

Fly from

Tennessee

Fly to

Idaho Falls

Route

Depart

Return

Price

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Fri 12/5

7:00 am-1:27 pm

1 stop7h 27m

Idaho Falls Fanning Field

Mon 12/8

1:58 pm-10:35 pm

1 stop7h 37m

$364

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 3/3

7:05 am-12:32 pm

1 stop6h 27m

Idaho Falls Fanning Field

Wed 3/4

1:12 pm-10:07 pm

1 stop7h 55m

$371

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Fri 12/5

2:12 pm-10:21 pm

2 stops9h 09m

Idaho Falls Fanning Field

Mon 12/8

7:06 pm-9:27 am

2 stops13h 21m

$384

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Mon 2/2

8:22 am-1:30 pm

1 stop6h 08m

Idaho Falls Fanning Field

Sat 2/7

2:40 pm-9:50 pm

1 stop6h 10m

$389

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 12/5

1:29 pm-10:36 pm

2 stops10h 07m

Idaho Falls Fanning Field

Sun 12/7

7:00 am-3:22 pm

1 stop7h 22m

$412

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Sat 4/4

7:45 am-12:31 pm

1 stop5h 46m

Idaho Falls Fanning Field

Wed 4/8

6:00 am-10:20 pm

2 stops15h 20m

$479

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Thu 11/27

6:30 am-3:46 pm

2 stops11h 16m

Idaho Falls Fanning Field

Mon 12/1

1:58 pm-11:52 pm

1 stop7h 54m

$748

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Thu 11/27

8:50 am-1:35 pm

1 stop6h 45m

Idaho Falls Fanning Field

Mon 12/1

10:50 am-10:13 am

2 stops21h 23m

$764

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sun 11/23

8:50 am-10:52 pm

1 stop16h 02m

Idaho Falls Fanning Field

Sun 11/30

10:50 am-10:48 am

2 stops21h 58m

$776

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sat 12/20

5:35 pm-9:58 am

2 stops18h 23m

Idaho Falls Fanning Field

Sat 12/27

5:00 am-10:56 am

2 stops27h 56m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 11 results
1
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Best time to book a flight from Tennessee to Idaho Falls

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

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

Currently, June is the cheapest month in which you can book a flight from Tennessee to Idaho Falls (average of $211). Flying from Tennessee to Idaho Falls in December is currently the most expensive (average of $389). 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 IDA?

Find hourly flight availability from Tennessee to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Tennessee to Idaho Falls by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Idaho Falls. 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 into for flights to Idaho Falls from Tennessee?

    If you book a flight to Idaho Falls from Tennessee, you will be flying to Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    A quick flight from Tennessee to Idaho Falls can take about 6h 08m. American Airlines provides one of the quickest options available for as low as $389. Airlines will cover a distance of 1433 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Tennessee to Idaho Falls are Nashville Intl - Idaho Falls Fanning Field, Memphis - Idaho Falls Fanning Field and Knoxville McGhee Tyson - Idaho Falls Fanning Field.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Tennessee to Idaho Falls (average of $211). Flying from Tennessee to Idaho Falls in December is currently the most expensive (average of $389). 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

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

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Top 3 airlines flying from Tennessee to Idaho Falls

Discover the top 3 airlines that operate flights from Tennessee to Idaho Falls. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$626FlexibilityNo cancel feeOn-time71%
DeltaCheapest$336Average$632FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$384Average$621FlexibilityNo cancel feeOn-time69%

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