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Idaho Falls

$194+ Cheap flights from Tennessee to Idaho Falls (IDA)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IDA
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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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 July 31, 2025.

Round-trip from

$350
(Alaska Airlines)

One-way from

$194
(American Airlines)

Popular in

February

Cheapest in

April

Average price

$659
From Tennessee to Idaho Falls Fanning Field
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One-way flight from Tennessee to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 16% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 9/179:00 amBNA - IDA
1 stop14h 39mAlaska Airlines
Wed 9/243:57 pmIDA - BNA
1 stop7h 11mAlaska Airlines
Deal found 7/30$350
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/176:44 amBNA - IDA
1 stop7h 15mAmerican Airlines
Wed 9/241:35 pmIDA - BNA
1 stop8h 29mAmerican Airlines
Deal found 7/31$351
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:34 amBNA - IDA
1 stop5h 52mDelta
Wed 9/246:51 pmIDA - BNA
2 stops12h 44mDelta
Deal found 7/31$356
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/67:30 amMEM - IDA
3 stops14h 24mUnited Airlines
Fri 9/127:00 amIDA - MEM
2 stops13h 21mUnited Airlines
Deal found 7/31$364
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 9/67:40 amMEM - IDA
1 stop7h 39mDelta
Fri 9/126:51 pmIDA - MEM
2 stops13h 19mDelta
Deal found 7/30$372
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/234:40 pmTYS - IDA
1 stop6h 14mUnited Airlines
Tue 8/265:00 amIDA - TYS
1 stop8h 15mUnited Airlines
Deal found 7/30$379
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/62:50 pmMEM - IDA
1 stop7h 35mAmerican Airlines
Fri 9/1212:54 pmIDA - MEM
1 stop20h 18mAmerican Airlines
Deal found 7/30$413
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Tue 10/286:07 amBNA - IDA
2 stops8h 28mUnited Airlines
Sat 11/18:30 amIDA - BNA
2 stops10h 03mUnited Airlines
Deal found 7/31$454
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 8/2512:03 pmTYS - IDA
2 stops11h 15mAmerican Airlines
Fri 8/291:17 pmIDA - TYS
1 stop8h 33mAmerican Airlines
Deal found 7/31$511

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 July 31, 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

Wed 9/17

9:00 am-10:39 pm

1 stop14h 39m

Idaho Falls Fanning Field

Wed 9/24

3:57 pm-12:08 am

1 stop7h 11m

$350

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Wed 9/17

6:44 am-12:59 pm

1 stop7h 15m

Idaho Falls Fanning Field

Wed 9/24

1:35 pm-11:04 pm

1 stop8h 29m

$351

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Wed 9/17

7:34 am-12:26 pm

1 stop5h 52m

Idaho Falls Fanning Field

Wed 9/24

6:51 pm-8:35 am

2 stops12h 44m

$356

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Sat 9/6

7:30 am-8:54 pm

3 stops14h 24m

Idaho Falls Fanning Field

Fri 9/12

7:00 am-9:21 pm

2 stops13h 21m

$364

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Sat 9/6

7:40 am-2:19 pm

1 stop7h 39m

Idaho Falls Fanning Field

Fri 9/12

6:51 pm-9:10 am

2 stops13h 19m

$372

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Sat 8/23

4:40 pm-8:54 pm

1 stop6h 14m

Idaho Falls Fanning Field

Tue 8/26

5:00 am-3:15 pm

1 stop8h 15m

$379

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Sat 9/6

2:50 pm-9:25 pm

1 stop7h 35m

Idaho Falls Fanning Field

Fri 9/12

12:54 pm-10:12 am

1 stop20h 18m

$413

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 10/28

6:07 am-1:35 pm

2 stops8h 28m

Idaho Falls Fanning Field

Sat 11/1

8:30 am-7:33 pm

2 stops10h 03m

$454

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Mon 8/25

12:03 pm-9:18 pm

2 stops11h 15m

Idaho Falls Fanning Field

Fri 8/29

1:17 pm-11:50 pm

1 stop8h 33m

$511

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 10/10

5:35 am-12:25 pm

1 stop7h 50m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 14 results
1
2

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, October is the cheapest month in which you can book a flight from Tennessee to Idaho Falls (average of $380). Flying from Tennessee to Idaho Falls in December is currently the most expensive (average of $578). 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 July 31, 2025.

When flying from Tennessee to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. 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 Falls. Reviews last updated July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Tennessee to Idaho Falls 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    One-way options have recently been found by users for as low as $194 on American Airlines. Other airlines that offer cheap prices include Alaska Airlines from $297 and United Airlines from $750 one-way.

  • 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, Knoxville McGhee Tyson - Idaho Falls Fanning Field and Memphis - 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, October is the cheapest month in which you can book a flight from Tennessee to Idaho Falls (average of $380). Flying from Tennessee to Idaho Falls in December is currently the most expensive (average of $578). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$193Average$488FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$646FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$384Average$598FlexibilityNo cancel feeOn-time69%

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