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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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IDA
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$376
(United Airlines)

One-way from

$194
(American Airlines)

Popular in

February

Cheapest in

May

Average price

$503
Provider with most accurate pricing for Nashville Intl-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Nashville Intl-Idaho Falls Fanning Field flights.
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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. 13% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This United Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/164:14 pmTYS - IDA
1 stop8h 31mUnited Airlines
Tue 5/277:05 amIDA - TYS
1 stop5h 44mUnited Airlines
Deal found 4/1$376
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:10 amBNA - IDA
1 stop9h 48mAlaska Airlines
Tue 5/274:20 pmIDA - BNA
1 stop12h 20mAlaska Airlines
Deal found 3/31$399
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1612:00 pmMEM - IDA
2 stops11h 56mDelta
Sun 4/206:00 amIDA - MEM
2 stops8h 37mDelta
Deal found 4/1$409
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 5/610:09 amBNA - IDA
2 stops12h 08mAmerican Airlines
Tue 5/271:02 pmIDA - BNA
1 stop8h 38mAmerican Airlines
Deal found 3/31$411
This United deal was found by Cheapflights users on 4/2. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:30 amMEM - IDA
3 stops16h 21mUnited Airlines
Wed 8/64:13 pmIDA - MEM
1 stop5h 02mUnited Airlines
Deal found 4/2$419
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/42:07 pmBNA - IDA
1 stop5h 08mDelta
Fri 7/113:05 pmIDA - BNA
1 stop6h 17mDelta
Deal found 4/1$433
This United deal was found by Cheapflights users on 4/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/15:32 pmBNA - IDA
1 stop6h 19mUnited Airlines
Fri 8/86:03 pmIDA - BNA
1 stop26h 22mUnited Airlines
Deal found 4/1$481
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Tue 8/267:57 amTYS - IDA
1 stop8h 36mAmerican Airlines
Thu 9/251:51 pmIDA - TYS
1 stop7h 58mAmerican Airlines
Deal found 3/31$514
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Sun 5/257:01 amMEM - IDA
1 stop6h 28mAmerican Airlines
Fri 5/307:00 amIDA - MEM
1 stop8h 08mAmerican Airlines
Deal found 4/2$589
This Delta deal was found by Cheapflights users on 3/31. 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.
Tue 8/2612:00 pmTYS - IDA
2 stops12h 15mDelta
Thu 9/256:10 amIDA - TYS
2 stops8h 30mDelta
Deal found 3/31$630

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 April 2, 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

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Fri 5/16

4:14 pm-10:45 pm

1 stop8h 31m

Idaho Falls Fanning Field

Tue 5/27

7:05 am-2:49 pm

1 stop5h 44m

$376

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 5/6

7:10 am-3:58 pm

1 stop9h 48m

Idaho Falls Fanning Field

Tue 5/27

4:20 pm-5:40 am

1 stop12h 20m

$399

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Wed 4/16

12:00 pm-10:56 pm

2 stops11h 56m

Idaho Falls Fanning Field

Sun 4/20

6:00 am-3:37 pm

2 stops8h 37m

$409

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 5/6

10:09 am-9:17 pm

2 stops12h 08m

Idaho Falls Fanning Field

Tue 5/27

1:02 pm-10:40 pm

1 stop8h 38m

$411

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Wed 7/30

7:30 am-10:51 pm

3 stops16h 21m

Idaho Falls Fanning Field

Wed 8/6

4:13 pm-10:15 pm

1 stop5h 02m

$419

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 7/4

2:07 pm-6:15 pm

1 stop5h 08m

Idaho Falls Fanning Field

Fri 7/11

3:05 pm-10:22 pm

1 stop6h 17m

$433

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 8/1

5:32 pm-10:51 pm

1 stop6h 19m

Idaho Falls Fanning Field

Fri 8/8

6:03 pm-9:25 pm

1 stop26h 22m

$481

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Tue 8/26

7:57 am-2:33 pm

1 stop8h 36m

Idaho Falls Fanning Field

Thu 9/25

1:51 pm-11:49 pm

1 stop7h 58m

$514

MemphisIdaho Falls

MEM - IDA

MEMIDA

Memphis

Sun 5/25

7:01 am-12:29 pm

1 stop6h 28m

Idaho Falls Fanning Field

Fri 5/30

7:00 am-4:08 pm

1 stop8h 08m

$589

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Tue 8/26

12:00 pm-10:15 pm

2 stops12h 15m

Idaho Falls Fanning Field

Thu 9/25

6:10 am-4:40 pm

2 stops8h 30m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 18 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, 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 July is currently the most expensive (average of $628). 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 April 2, 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.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 2, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Tennessee to Idaho Falls have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Delta from $261 and United Airlines from $284 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 July is currently the most expensive (average of $628). 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 Tennessee?

Book flights to Tennessee 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$674FlexibilityNo cancel feeOn-time71%
DeltaCheapest$423Average$758FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$426Average$704FlexibilityNo cancel feeOn-time69%

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