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Tennessee

$152+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — BNA
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap 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 July 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/24. 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 8/252:25 pm
IDA
-
BNA
1 stop5h 50m
United Airlines
Tue 9/18:00 am
BNA
-
IDA
1 stop8h 23m
United Airlines
Deal found 7/24$321
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/262:25 pm
IDA
-
BNA
1 stop5h 50m
United Airlines
Sat 8/296:30 am
BNA
-
IDA
2 stops9h 53m
United Airlines
Deal found 7/22$326
This Delta deal was found by Cheapflights users on 7/20. 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 8/186:00 am
IDA
-
BNA
1 stop6h 57m
Delta
Mon 8/247:30 am
BNA
-
IDA
1 stop8h 05m
Delta
Deal found 7/20$329
This Delta deal was found by Cheapflights users on 7/23. 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 8/1711:35 am
IDA
-
BNA
1 stop5h 38m
Delta
Wed 9/22:10 pm
BNA
-
IDA
2 stops9h 22m
Delta
Deal found 7/23$335
This Delta deal was found by Cheapflights users on 7/24. 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 8/253:17 pm
IDA
-
BNA
1 stop6h 33m
Delta
Tue 9/12:10 pm
BNA
-
IDA
2 stops9h 22m
Delta
Deal found 7/24$336
This Delta deal was found by Cheapflights users on 7/20. 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 10/291:05 pm
IDA
-
BNA
1 stop7h 54m
Delta
Mon 11/27:25 am
BNA
-
IDA
1 stop5h 57m
Delta
Deal found 7/20$354
This Delta deal was found by Cheapflights users on 7/21. 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 8/1111:35 am
IDA
-
TYS
2 stops9h 25m
Delta
Tue 8/187:15 am
TYS
-
IDA
2 stops13h 05m
Delta
Deal found 7/21$369
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 9/92:01 pm
IDA
-
BNA
1 stop8h 58m
Alaska Airlines
Wed 9/167:00 am
BNA
-
IDA
1 stop9h 20m
Alaska Airlines
Deal found 7/22$370
This Alaska Airlines deal was found by Cheapflights users on 7/23. 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.
Mon 10/261:58 pm
IDA
-
BNA
1 stop9h 01m
Alaska Airlines
Fri 10/307:00 am
BNA
-
IDA
1 stop9h 20m
Alaska Airlines
Deal found 7/23$381
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/122:25 pm
IDA
-
TYS
1 stop6h 04m
United Airlines
Wed 8/199:00 am
TYS
-
IDA
1 stop6h 29m
United Airlines
Deal found 7/24$394
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/97:00 am
IDA
-
TYS
2 stops11h 24m
United Airlines
Sat 9/126:00 am
TYS
-
IDA
1 stop7h 39m
United Airlines
Deal found 7/22$424
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/112:20 pm
IDA
-
TYS
1 stop6h 58m
American Airlines
Tue 8/186:03 am
TYS
-
IDA
1 stop7h 27m
American Airlines
Deal found 7/21$444

Find 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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$321
(United Airlines)

One-way from

$152
(Kiwi.com)

Popular in

September

Cheapest in

February

Average price

$558
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. 14% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 25, 2026.
Use the filters below to find and compare flights from Idaho Falls to Tennessee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Tue 8/25

3:17 pm-10:50 pm

1 stop6h 33m

Nashville Intl

Tue 9/1

2:10 pm-10:32 pm

2 stops9h 22m

$336

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Mon 8/17

6:00 am-5:34 pm

2 stops10h 34m

Nashville Intl

Wed 9/2

2:10 pm-10:32 pm

2 stops9h 22m

$341

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Thu 10/29

1:05 pm-9:59 pm

1 stop7h 54m

Nashville Intl

Mon 11/2

7:25 am-12:22 pm

1 stop5h 57m

$364

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Wed 9/9

2:01 pm-11:59 pm

1 stop8h 58m

Nashville Intl

Wed 9/16

7:00 am-3:20 pm

1 stop9h 20m

$370

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Mon 10/26

1:58 pm-11:59 pm

1 stop9h 01m

Nashville Intl

Fri 10/30

7:00 am-3:20 pm

1 stop9h 20m

$381
Quickest round-trip

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 8/12

2:25 pm-10:29 pm

1 stop6h 04m

Knoxville McGhee Tyson

Wed 8/19

9:00 am-1:29 pm

1 stop6h 29m

$394

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Tue 8/18

11:35 am-10:16 pm

2 stops9h 41m

Nashville Intl

Mon 8/24

2:04 pm-6:20 pm

1 stop5h 16m

$429

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Thu 8/13

2:25 pm-10:29 pm

1 stop6h 04m

Knoxville McGhee Tyson

Thu 8/20

9:00 am-1:29 pm

1 stop6h 29m

$513

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Thu 8/13

2:20 pm-11:18 pm

1 stop6h 58m

Knoxville McGhee Tyson

Thu 8/20

6:03 am-11:30 am

1 stop7h 27m

$539

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 9/9

7:00 am-4:42 pm

1 stop7h 42m

Knoxville McGhee Tyson

Sat 9/12

6:00 am-11:45 am

1 stop7h 45m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 31 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Idaho Falls to Tennessee (average of $435). Flying from Idaho Falls to Tennessee in May is currently the most expensive (average of $772). 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 Idaho Falls to Tennessee?

Airfare is below average for this route at the moment.
Idaho Falls to Tennessee flights typically cost between $472 and $668 in August.
The cheapest round-trip price found within the last 5 days was $321 on United Airlines (Aug 25-Sep 1).

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 July 25, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican 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
7.8
Good
8,486 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,486 reviews
Delta
7.8
Good
8,486 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,034 reviews
Delta
7.8
Good
8,486 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,848 reviews
Delta
7.8
Good
8,486 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Food

7.2

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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 6h 04m. Delta provides one of the quickest options available for as low as $394. There are 1575 mi between Idaho Falls and Tennessee. This flight may include one or multiple stops.

  • 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, February is the cheapest month in which you can book a flight from Idaho Falls to Tennessee (average of $435). Flying from Idaho Falls to Tennessee in May is currently the most expensive (average of $772). 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

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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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$243Average$491FlexibilityNo cancel feeOn-time69%
DeltaCheapest$245Average$638FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$371Average$604FlexibilityNo cancel feeOn-time71%

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