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Idaho Falls

$306+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IDA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/258:15 amMEM - IDA
1 stop6h 15mUnited Airlines
Tue 12/306:40 amIDA - MEM
1 stop6h 37mUnited Airlines
Deal found 12/16$454
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/256:30 amMEM - IDA
2 stops9h 54mUnited Airlines
Thu 1/15:00 amIDA - MEM
1 stop8h 17mUnited Airlines
Deal found 12/16$459
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/258:15 amMEM - IDA
1 stop8h 09mUnited Airlines
Sat 1/34:05 pmIDA - MEM
1 stop5h 24mUnited Airlines
Deal found 12/16$544
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/258:15 amMEM - IDA
1 stop8h 09mUnited Airlines
Sun 1/42:30 pmIDA - MEM
1 stop6h 59mUnited Airlines
Deal found 12/16$569
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/258:15 amMEM - IDA
1 stop8h 09mUnited Airlines
Fri 1/25:00 amIDA - MEM
2 stops8h 48mUnited Airlines
Deal found 12/16$580
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/263:13 pmMEM - IDA
1 stop7h 01mUnited Airlines
Thu 1/15:00 amIDA - MEM
2 stops7h 51mUnited Airlines
Deal found 12/16$621
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/256:30 amMEM - IDA
2 stops9h 54mUnited Airlines
Wed 12/314:05 pmIDA - MEM
2 stops20h 46mUnited Airlines
Deal found 12/16$623
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/2210:26 amBNA - IDA
2 stops12h 55mAmerican Airlines
Mon 12/291:16 pmIDA - BNA
1 stop7h 13mAmerican Airlines
Deal found 12/17$651
This Delta deal was found by Cheapflights users on 12/17. 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 12/209:23 amTYS - IDA
2 stops10h 54mDelta
Sat 12/275:55 amIDA - TYS
2 stops11h 32mDelta
Deal found 12/17$679
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/272:30 pmIDA - BNA
1 stop5h 29mUnited Airlines
Deal found 12/18$680
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/238:55 amBNA - IDA
2 stops14h 26mAmerican Airlines
Sun 12/281:16 pmIDA - BNA
1 stop7h 13mAmerican Airlines
Deal found 12/17$686
This Delta deal was found by Cheapflights users on 12/18. 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 12/2110:21 amBNA - IDA
2 stops8h 56mDelta
Sat 12/275:55 amIDA - BNA
2 stops12h 14mDelta
Deal found 12/18$691

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$306
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$978
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. 21% potential increase in price ($170 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 1/22

4:55 pm-10:57 pm

1 stop7h 02m

Idaho Falls Fanning Field

Thu 2/5

6:35 pm-8:19 am

2 stops12h 44m

$332

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Fri 1/23

8:45 am-3:31 pm

1 stop7h 46m

Idaho Falls Fanning Field

Sun 1/25

2:40 pm-8:41 pm

1 stop5h 01m

$369

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Mon 3/2

7:35 am-5:44 pm

2 stops11h 09m

Idaho Falls Fanning Field

Sun 3/8

6:59 pm-7:42 am

2 stops11h 43m

$381

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sat 5/2

7:00 am-3:37 pm

2 stops10h 37m

Idaho Falls Fanning Field

Tue 5/5

2:35 pm-10:23 pm

1 stop5h 48m

$404

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Mon 3/2

7:00 am-4:43 pm

1 stop10h 43m

Idaho Falls Fanning Field

Sun 3/8

8:00 am-11:59 pm

1 stop14h 59m

$415

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sat 2/14

7:00 am-11:36 pm

1 stop17h 36m

Idaho Falls Fanning Field

Wed 2/18

5:20 pm-11:59 pm

1 stop29h 39m

$415

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sat 2/14

7:00 am-1:30 pm

1 stop7h 30m

Idaho Falls Fanning Field

Wed 2/18

2:40 pm-9:48 pm

1 stop6h 08m

$427

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 1/22

10:20 am-10:59 pm

2 stops13h 39m

Idaho Falls Fanning Field

Thu 2/5

9:00 am-9:38 pm

2 stops11h 38m

$467

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Thu 1/1

11:25 am-10:59 pm

2 stops12h 34m

Idaho Falls Fanning Field

Mon 1/5

2:30 pm-10:29 pm

1 stop6h 59m

$515

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Mon 2/23

5:35 am-1:30 pm

1 stop9h 55m

Idaho Falls Fanning Field

Thu 2/26

2:02 pm-11:50 pm

1 stop7h 48m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 19 results
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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 $202). Flying from Tennessee to Idaho Falls in May is currently the most expensive (average of $373). 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.

How much does it cost to fly round-trip from Tennessee to Idaho Falls?

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 7h 02m. Delta provides one of the quickest options available for as low as $332. 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 $202). Flying from Tennessee to Idaho Falls in May is currently the most expensive (average of $373). 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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Alternative routes for Tennessee to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$626FlexibilityNo cancel feeOn-time71%
DeltaCheapest$336Average$632FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$368Average$573FlexibilityNo cancel feeOn-time69%

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