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Cheap flights from Idaho Falls to Tennessee from $186

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Tennessee departing on 10/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho Falls to Tennessee

Cheap round-trip flights

Multiple Airlines Logo
7:40 pm - 1:48 pmIDA-BNA
17h 08m1 stop
Multiple Airlines Logo
10:37 pm - 2:01 pmBNA-IDA
16h 24m1 stop
$324Multiple Airlines
Find Deal
Mon, Oct 27 - Sun, Nov 2
Delta Logo
1:05 pm - 10:20 pmIDA-BNA
8h 15m1 stop
Delta Logo
1:45 pm - 6:15 pmBNA-IDA
5h 30m1 stop
$371Delta
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
10:50 am - 11:44 pmIDA-TYS
10h 54m2 stops
United Airlines Logo
4:50 pm - 9:03 pmTYS-IDA
6h 13m1 stop
$384United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
Alaska Airlines Logo
4:15 pm - 5:40 amIDA-BNA
12h 25m1 stop
Alaska Airlines Logo
7:15 am - 3:13 pmBNA-IDA
8h 58m1 stop
$388Alaska Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 30
United Airlines Logo
10:50 am - 11:59 pmIDA-TYS
11h 09m2 stops
United Airlines Logo
11:45 am - 9:03 pmTYS-IDA
11h 18m2 stops
$389United Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
American Airlines Logo
12:55 pm - 9:03 pmIDA-TYS
6h 08m1 stop
American Airlines Logo
2:11 pm - 9:48 pmTYS-IDA
9h 37m1 stop
$404American Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
American Airlines Logo
6:44 am - 11:10 pmIDA-TYS
14h 26m2 stops
American Airlines Logo
2:11 pm - 9:48 pmTYS-IDA
9h 37m1 stop
$409American Airlines
Find Deal
Wed, Oct 29 - Sat, Nov 1
Alaska Airlines Logo
6:05 am - 4:51 pmIDA-BNA
9h 46m2 stops
Alaska Airlines Logo
7:15 am - 3:13 pmBNA-IDA
8h 58m1 stop
$432Alaska Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Allegiant Air Logo
10:13 pm - 11:33 pmIDA-BNA
24h 20m2 stops
Allegiant Air Logo
7:00 am - 12:49 pmBNA-IDA
30h 49m2 stops
$553Allegiant Air
Find Deal
Thu, Oct 2 - Sun, Oct 5
Allegiant Air Logo
10:13 pm - 8:12 pmIDA-BNA
20h 59m2 stops
Allegiant Air Logo
7:00 am - 9:23 pmBNA-IDA
15h 23m2 stops
$631Allegiant Air
Find Deal
Sun, Oct 5 - Thu, Oct 9

Alaska Airlines flights from Idaho Falls to Tennessee

Our best Alaska Airlines deals on Idaho Falls to Tennessee flight tickets
Alaska Airlines
Oct 19
IDA4:15 pmIdaho Falls Fanning Field
12h 25m
1 stop
BNA5:40 amNashville Intl
Oct 30
BNA7:15 amNashville Intl
8h 58m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
$388
Find similar
Alaska Airlines
Nov 5
IDA6:05 amIdaho Falls Fanning Field
9h 46m
2 stops
BNA4:51 pmNashville Intl
Nov 12
BNA7:15 amNashville Intl
8h 58m
1 stop
IDA3:13 pmIdaho Falls Fanning Field
$432
Find similar
Alaska Airlines
Oct 16
IDA4:15 pmIdaho Falls Fanning Field
12h 25m
1 stop
BNA5:40 amNashville Intl
Oct 25
BNA8:45 amNashville Intl
7h 53m
1 stop
IDA3:38 pmIdaho Falls Fanning Field
$518
Find similar

American Airlines flights from Idaho Falls to Tennessee

Our best American Airlines deals on Idaho Falls to Tennessee flight tickets
American Airlines
Oct 29
IDA12:55 pmIdaho Falls Fanning Field
6h 08m
1 stop
TYS9:03 pmKnoxville McGhee Tyson
Nov 1
TYS2:11 pmKnoxville McGhee Tyson
9h 37m
1 stop
IDA9:48 pmIdaho Falls Fanning Field
$404
Find similar
American Airlines
Oct 29
IDA6:44 amIdaho Falls Fanning Field
14h 26m
2 stops
TYS11:10 pmKnoxville McGhee Tyson
Nov 1
TYS2:11 pmKnoxville McGhee Tyson
9h 37m
1 stop
IDA9:48 pmIdaho Falls Fanning Field
$409
Find similar
American Airlines
Oct 29
IDA6:44 amIdaho Falls Fanning Field
14h 26m
2 stops
TYS11:10 pmKnoxville McGhee Tyson
Nov 1
TYS12:52 pmKnoxville McGhee Tyson
10h 56m
2 stops
IDA9:48 pmIdaho Falls Fanning Field
$414
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 22, 2025.
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

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Mon 10/27

7:40 pm-1:48 pm

1 stop17h 08m

Nashville Intl

Sun 11/2

10:37 pm-2:01 pm

1 stop16h 24m

$324

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Tue 3/10

1:05 pm-10:20 pm

1 stop8h 15m

Nashville Intl

Wed 3/11

1:45 pm-6:15 pm

1 stop5h 30m

$371

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 10/29

10:50 am-11:44 pm

2 stops10h 54m

Knoxville McGhee Tyson

Sat 11/1

4:50 pm-9:03 pm

1 stop6h 13m

$384

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Sun 10/19

4:15 pm-5:40 am

1 stop12h 25m

Nashville Intl

Thu 10/30

7:15 am-3:13 pm

1 stop8h 58m

$388

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 10/29

10:50 am-11:59 pm

2 stops11h 09m

Knoxville McGhee Tyson

Sat 11/1

11:45 am-9:03 pm

2 stops11h 18m

$389

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 10/29

12:55 pm-9:03 pm

1 stop6h 08m

Knoxville McGhee Tyson

Sat 11/1

2:11 pm-9:48 pm

1 stop9h 37m

$404

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Wed 10/29

6:44 am-11:10 pm

2 stops14h 26m

Knoxville McGhee Tyson

Sat 11/1

2:11 pm-9:48 pm

1 stop9h 37m

$409

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Wed 11/5

6:05 am-4:51 pm

2 stops9h 46m

Nashville Intl

Wed 11/12

7:15 am-3:13 pm

1 stop8h 58m

$432

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Thu 10/2

10:13 pm-11:33 pm

2 stops24h 20m

Nashville Intl

Sun 10/5

7:00 am-12:49 pm

2 stops30h 49m

$553

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Sun 10/5

10:13 pm-8:12 pm

2 stops20h 59m

Nashville Intl

Thu 10/9

7:00 am-9:23 pm

2 stops15h 23m

$631

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Tennessee from

How to get the cheapest flight ticket from Idaho Falls to Tennessee

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Tennessee?

The cheapest month to fly to Tennessee from Idaho Falls is in July. Flight prices, which tend to average around $373, are often lower during this time because this is during the off-season. If you don’t want to visit Tennessee in July, then you should wait until September to fly from Idaho Falls, when ticket prices are also cheap, with an average price of $430.

What is the cheapest day to depart on your flight to Tennessee?

The cheapest day to depart from Idaho Falls to Tennessee is on a Saturday. Travelers who choose to depart for Tennessee on a Saturday will often find tickets for as low as $453. Flights from Idaho Falls to Tennessee on a Friday will generally be more expensive and average around $729. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Tennessee?

The cheapest time of day to fly to Tennessee is in the afternoon when flights can be purchased for as low as $605. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $622 on average. Flights to Tennessee from Idaho Falls in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Idaho Falls to Tennessee flights?

You could potentially save up to 22% on your flight if you consider stops on a Idaho Falls to Tennessee flight.

Cheap Idaho Falls to Tennessee flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Tennessee

Direct flights

None
There are no direct flights from Idaho Falls to Tennessee. There are no popular flight routes from Idaho Falls to Tennessee.
Search flight deals

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Tennessee?

    Prices for flights from Idaho Falls Fanning Field Airport to Tennessee are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Tennessee?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Tennessee?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Tennessee.

  • What documentation or ID do you need to fly to Tennessee?

    The travel and health documents you'll need for your trip to Tennessee may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Tennessee. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho Falls to Tennessee

Compare and see reviews for airlines that fly from Idaho Falls to Tennessee with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $291Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
DeltaPriceFrom $336Free CancellationRating
7.9
7,971 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Tennessee?

It is quick and easy to find Idaho Falls to Tennessee flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Tennessee that suits you.

Can I find flights from Idaho Falls to Tennessee with flexible booking policies on momondo?

Flights from Idaho Falls to Tennessee with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho Falls to Tennessee?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Tennessee from Idaho Falls.

I’m not ready to book a flight from Idaho Falls to Tennessee right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Tennessee from Idaho Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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