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Cheap flights from Nashville to Idaho Falls from $329

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Nashville to Idaho Falls departing on 4/21. 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 Nashville to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 am - 4:19 pm
BNA
-
IDA
10h 19m
1 stop
Alaska Airlines Logo
6:00 am - 3:45 pm
IDA
-
BNA
8h 45m
1 stop
$329Alaska Airlines
Tue, Apr 21 - Sat, Apr 25
American Airlines Logo
10:45 am - 11:24 pm
BNA
-
IDA
13h 39m
2 stops
American Airlines Logo
2:18 pm - 11:13 pm
IDA
-
BNA
7h 55m
1 stop
$344American Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
10:00 am - 9:02 pm
BNA
-
IDA
12h 02m
2 stops
United Airlines Logo
2:30 pm - 9:46 pm
IDA
-
BNA
6h 16m
1 stop
$354United Airlines
Tue, Apr 21 - Sat, Apr 25
Delta Logo
4:55 pm - 10:21 pm
BNA
-
IDA
6h 26m
1 stop
Delta Logo
1:10 pm - 10:00 pm
IDA
-
BNA
7h 50m
1 stop
$374Delta
Tue, Feb 24 - Sat, Feb 28
Delta Logo
1:45 pm - 6:14 pm
BNA
-
IDA
5h 29m
1 stop
Delta Logo
11:20 am - 6:28 pm
IDA
-
BNA
6h 08m
1 stop
$384Delta
Thu, Jul 9 - Mon, Jul 13
United Airlines Logo
8:15 am - 1:30 pm
BNA
-
IDA
6h 15m
1 stop
United Airlines Logo
6:35 am - 1:29 pm
IDA
-
BNA
5h 54m
1 stop
$401United Airlines
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
8:00 am - 8:58 pm
BNA
-
IDA
13h 58m
2 stops
United Airlines Logo
2:40 pm - 9:36 pm
IDA
-
BNA
5h 56m
1 stop
$406United Airlines
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
11:32 am - 9:02 pm
BNA
-
IDA
10h 30m
2 stops
United Airlines Logo
6:45 am - 3:59 pm
IDA
-
BNA
8h 14m
2 stops
$419United Airlines
Tue, Apr 21 - Sat, Apr 25
Multiple Airlines Logo
8:41 pm - 3:27 pm
BNA
-
IDA
19h 46m
1 stop
Multiple Airlines Logo
10:21 pm - 11:14 am
IDA
-
BNA
35h 53m
2 stops
$420Multiple Airlines
Sun, Apr 12 - Fri, Apr 24
United Airlines Logo
7:30 am - 3:40 pm
BNA
-
IDA
9h 10m
2 stops
United Airlines Logo
10:45 am - 9:53 pm
IDA
-
BNA
10h 08m
2 stops
$441United Airlines
Tue, Mar 3 - Wed, Mar 4

American Airlines flights from Nashville to Idaho Falls

Our best American Airlines deals on Nashville to Idaho Falls flight tickets
American Airlines
Feb 24
BNA10:45 amNashville Intl
13h 39m
2 stops
IDA11:24 pmIdaho Falls Fanning Field
Feb 28
IDA2:18 pmIdaho Falls Fanning Field
7h 55m
1 stop
BNA11:13 pmNashville Intl
$344
American Airlines
Feb 20
BNA10:25 amNashville Intl
13h 59m
2 stops
IDA11:24 pmIdaho Falls Fanning Field
Feb 25
IDA2:18 pmIdaho Falls Fanning Field
7h 55m
1 stop
BNA11:13 pmNashville Intl
$414
American Airlines
Feb 15
BNA6:00 amNashville Intl
8h 48m
1 stop
IDA1:48 pmIdaho Falls Fanning Field
Jun 27
IDA12:36 pmIdaho Falls Fanning Field
10h 12m
2 stops
BNA11:48 pmNashville Intl
$505

United Airlines flights from Nashville to Idaho Falls

Our best United Airlines deals on Nashville to Idaho Falls flight tickets
United Airlines
Apr 21
BNA10:00 amNashville Intl
12h 02m
2 stops
IDA9:02 pmIdaho Falls Fanning Field
Apr 25
IDA2:30 pmIdaho Falls Fanning Field
6h 16m
1 stop
BNA9:46 pmNashville Intl
$354
United Airlines
Mar 3
BNA8:15 amNashville Intl
6h 15m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
Mar 4
IDA6:35 amIdaho Falls Fanning Field
5h 54m
1 stop
BNA1:29 pmNashville Intl
$401
United Airlines
Mar 3
BNA8:00 amNashville Intl
13h 58m
2 stops
IDA8:58 pmIdaho Falls Fanning Field
Mar 4
IDA2:40 pmIdaho Falls Fanning Field
5h 56m
1 stop
BNA9:36 pmNashville Intl
$406

momondo Fare Finder

 
Customize your flight search to find flights from Nashville 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, momondo users made 832,500 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Nashville to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 4/21

7:00 am-4:19 pm

1 stop10h 19m

Idaho Falls Fanning Field

Sat 4/25

6:00 am-3:45 pm

1 stop8h 45m

$329

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 2/24

10:45 am-11:24 pm

2 stops13h 39m

Idaho Falls Fanning Field

Sat 2/28

2:18 pm-11:13 pm

1 stop7h 55m

$344

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 4/21

10:00 am-9:02 pm

2 stops12h 02m

Idaho Falls Fanning Field

Sat 4/25

2:30 pm-9:46 pm

1 stop6h 16m

$354

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 2/24

4:55 pm-10:21 pm

1 stop6h 26m

Idaho Falls Fanning Field

Sat 2/28

1:10 pm-10:00 pm

1 stop7h 50m

$374

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 7/9

1:45 pm-6:14 pm

1 stop5h 29m

Idaho Falls Fanning Field

Mon 7/13

11:20 am-6:28 pm

1 stop6h 08m

$384

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 3/3

8:15 am-1:30 pm

1 stop6h 15m

Idaho Falls Fanning Field

Wed 3/4

6:35 am-1:29 pm

1 stop5h 54m

$401

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 3/3

8:00 am-8:58 pm

2 stops13h 58m

Idaho Falls Fanning Field

Wed 3/4

2:40 pm-9:36 pm

1 stop5h 56m

$406

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 4/21

11:32 am-9:02 pm

2 stops10h 30m

Idaho Falls Fanning Field

Sat 4/25

6:45 am-3:59 pm

2 stops8h 14m

$419

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sun 4/12

8:41 pm-3:27 pm

1 stop19h 46m

Idaho Falls Fanning Field

Fri 4/24

10:21 pm-11:14 am

2 stops35h 53m

$420

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 3/3

7:30 am-3:40 pm

2 stops9h 10m

Idaho Falls Fanning Field

Wed 3/4

10:45 am-9:53 pm

2 stops10h 08m

$441

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Idaho Falls from

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

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 airlines fly to Idaho Falls?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Idaho Falls from Nashville according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

When to book flights from Nashville to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Nashville to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Nashville to Idaho Falls (BNA to IDA) flight deals and tips

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

Fastest flight time

5h 16m

Direct flights

None
The fastest flight from Nashville to Idaho Falls takes 5h 16m
There are no direct flights from Nashville to Idaho Falls. There are no popular flight routes from Nashville to Idaho Falls.
Search flight deals

  • How far is Nashville Intl to Idaho Falls Fanning Field by plane?

    There are 1424.4 mi between Nashville Intl and Idaho Falls Fanning Field. Typically, this will take 5h 16m by plane in normal conditions.

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

    Prices for flights from Nashville Intl Airport to Idaho Falls Fanning Field Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Nashville Intl Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The required travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Nashville to Idaho Falls?

Best airlines flying from Nashville to Idaho Falls

Compare and see reviews for airlines that fly from Nashville to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $193Free CancellationRating
7.9
8,186 reviews
Search Delta flights
American AirlinesPriceFrom $370Free CancellationRating
7.2
11,275 reviews
Search American Airlines flights
United AirlinesPriceFrom $408Free CancellationRating
7.4
9,283 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

Finding the right flight to Idaho Falls from Nashville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho Falls quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Idaho Falls from Nashville which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Nashville to Idaho Falls.

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

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from Nashville and alert you when they change.

An easier way to manage your Idaho Falls trip

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