What is the cheapest airline that flies from Idaho to Tennessee?

Frontier, Delta, and Southwest are the most popular carriers operating from Idaho to Tennessee

What airlines fly to Tennessee?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Tennessee from Idaho according to our data. Delta is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Tennessee. Keep in mind that there are 5 different airlines that fly to Tennessee on a routine basis, so you have a few additional options to choose from.

How long is the flight from Idaho to Tennessee?

On average, it takes 5h 20m to fly from Idaho to Tennessee if you fly out of Boise (the most popular airport in Idaho) and into Nashville (the most popular airport in Tennessee). If you’re flying out of Idaho Falls and into Nashville, then the flight time is around 5h 43m.

How many flights depart from Idaho to Tennessee on average per week?

7 flights are operational weekly from Idaho to Tennessee as of June 2026. The most popular departure day for this route is Mon, with 29% of flights per week taking off on this day.

When did momondo last update prices for flights from Idaho to Tennessee?

Prices for flights from Idaho to Tennessee are updated daily.

How many operators does momondo search for flights from Idaho to Tennessee?

The number of operators available for flights from Idaho to Tennessee is 6 as of June 2026.

How old do you have to be to fly from Idaho to Tennessee?

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 Idaho to Tennessee.

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

The required travel and health documents for your Tennessee 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 Tennessee. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$120 Cheap Flights from Idaho to Tennessee in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Tennessee

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:24 pm - 11:40 am

BOI

BNA

21h 16m

1 stop

12:25 pm - 12:29 pm

BNA

BOI

25h 04m

1 stop

$250Frontier

Tue, Aug 11 - Sat, Aug 15

12:24 pm - 12:10 pm

BOI

BNA

22h 46m

1 stop

12:55 pm - 11:29 am

BNA

BOI

23h 34m

1 stop

$255Frontier

Sun, Aug 30 - Wed, Sep 2

2:05 pm - 9:59 pm

GEG

BNA

5h 54m

1 stop

7:00 am - 12:20 pm

BNA

GEG

7h 20m

1 stop

$293Delta

Sat, Sep 5 - Tue, Sep 15

6:00 am - 1:57 pm

BOI

BNA

6h 57m

1 stop

6:15 am - 12:49 pm

BNA

BOI

7h 34m

1 stop

$303Delta

Sat, Aug 15 - Tue, Aug 25

12:12 pm - 11:18 pm

BOI

TYS

9h 06m

1 stop

6:03 am - 11:16 am

TYS

BOI

7h 13m

1 stop

$307American Airlines

Wed, Aug 19 - Thu, Aug 27

5:20 am - 2:30 pm

GEG

BNA

7h 10m

1 stop

5:00 am - 2:09 pm

BNA

GEG

11h 09m

2 stops

$308American Airlines

Wed, Aug 19 - Sat, Aug 22

12:35 pm - 8:05 pm

BOI

BNA

6h 30m

1 stop

6:15 am - 1:40 pm

BNA

BOI

8h 25m

2 stops

$308Southwest

Tue, Aug 11 - Wed, Aug 19

2:25 pm - 9:15 pm

IDA

BNA

5h 50m

1 stop

6:30 am - 3:23 pm

BNA

IDA

9h 53m

2 stops

$316United Airlines

Tue, Aug 25 - Sat, Aug 29

5:00 am - 1:37 pm

GEG

BNA

6h 37m

1 stop

11:18 am - 8:46 pm

BNA

GEG

11h 28m

2 stops

$325United Airlines

Thu, Aug 27 - Sat, Aug 29

7:00 am - 2:30 pm

GEG

MEM

5h 30m

1 stop

6:25 pm - 10:25 pm

MEM

GEG

6h 00m

1 stop

$355Southwest

Wed, Aug 26 - Wed, Aug 26

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Alaska Airlines flights from Idaho to Tennessee

Our best Alaska Airlines deals on Idaho to Tennessee flight tickets

Alaska Airlines

Nov 3

GEG8:14 amSpokane

7h 23m

1 stop

BNA5:37 pmNashville Intl

Nov 4

BNA4:47 pmNashville Intl

8h 04m

1 stop

GEG10:51 pmSpokane

$336

Alaska Airlines

Aug 16

BOI8:47 pmBoise Air Term. Gowen Fld

7h 53m

1 stop

BNA5:40 amNashville Intl

Aug 25

BNA7:00 amNashville Intl

9h 31m

1 stop

BOI3:31 pmBoise Air Term. Gowen Fld

$346

Alaska Airlines

Jun 30

GEG8:15 amSpokane

13h 10m

2 stops

BNA11:25 pmNashville Intl

Jul 8

BNA4:43 pmNashville Intl

8h 16m

1 stop

GEG10:59 pmSpokane

$358

Delta flights from Idaho to Tennessee

Our best Delta deals on Idaho to Tennessee flight tickets

Delta

Jun 30

GEG7:00 amSpokane

6h 00m

1 stop

BNA3:00 pmNashville Intl

Jul 7

BNA2:01 pmNashville Intl

6h 12m

1 stop

GEG6:13 pmSpokane

$293

Delta

Sep 24

GEG1:00 pmSpokane

8h 58m

1 stop

BNA11:58 pmNashville Intl

Sep 29

BNA7:00 amNashville Intl

7h 20m

1 stop

GEG12:20 pmSpokane

$303

Delta

Sep 9

IDA1:05 pmIdaho Falls Fanning Field

8h 05m

1 stop

BNA10:10 pmNashville Intl

Sep 16

BNA5:10 pmNashville Intl

6h 12m

1 stop

IDA10:22 pmIdaho Falls Fanning Field

$311

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 8/11

1:24 pm-11:40 am

1 stop21h 16m

Nashville Intl

Sat 8/15

12:25 pm-12:29 pm

1 stop25h 04m

$250

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sun 8/30

12:24 pm-12:10 pm

1 stop22h 46m

Nashville Intl

Wed 9/2

12:55 pm-11:29 am

1 stop23h 34m

$255

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sat 9/5

2:05 pm-9:59 pm

1 stop5h 54m

Nashville Intl

Tue 9/15

7:00 am-12:20 pm

1 stop7h 20m

$293

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sat 8/15

6:00 am-1:57 pm

1 stop6h 57m

Nashville Intl

Tue 8/25

6:15 am-12:49 pm

1 stop7h 34m

$303

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 8/19

12:12 pm-11:18 pm

1 stop9h 06m

Knoxville McGhee Tyson

Thu 8/27

6:03 am-11:16 am

1 stop7h 13m

$307

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 8/19

5:20 am-2:30 pm

1 stop7h 10m

Nashville Intl

Sat 8/22

5:00 am-2:09 pm

2 stops11h 09m

$308

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 8/11

12:35 pm-8:05 pm

1 stop6h 30m

Nashville Intl

Wed 8/19

6:15 am-1:40 pm

2 stops8h 25m

$308

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Tue 8/25

2:25 pm-9:15 pm

1 stop5h 50m

Nashville Intl

Sat 8/29

6:30 am-3:23 pm

2 stops9h 53m

$316

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 8/27

5:00 am-1:37 pm

1 stop6h 37m

Nashville Intl

Sat 8/29

11:18 am-8:46 pm

2 stops11h 28m

$325

Quickest round-trip

SpokaneMemphis

GEG - MEM

GEGMEM

Spokane

Wed 8/26

7:00 am-2:30 pm

1 stop5h 30m

Memphis

Wed 8/26

6:25 pm-10:25 pm

1 stop6h 00m

$355

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho 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

Prices

Airlines

Other information

What is the cheapest month to fly to Tennessee?

The cheapest month to fly to Tennessee from Idaho is in October. Flight prices, which tend to average around $41, are often lower during this time because this is during the off-season. If you don’t want to visit Tennessee in October, then you should wait until May to fly from Idaho, when ticket prices are also cheap, with an average price of $105.

How far in advance should I book a flight from Idaho to Tennessee?

You are more likely to see cheaper flights to Tennessee from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Tennessee for around $390 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Tennessee from Idaho for as low as $343 on momondo.

Can stopping save me money on Idaho to Tennessee flights?

You could potentially save up to 30% on your flight if you consider stops on a Idaho to Tennessee flight.

Cheap Idaho to Tennessee flight deals and tips

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

Fastest flight time	4h 58m
Direct flights	None

The fastest flight from Idaho to Tennessee takes 4h 58m

There are no direct flights from Idaho to Tennessee. There are no popular flight routes from Idaho to Tennessee.

Search flight deals

Frequently asked questions about flying from Idaho to Tennessee

When did momondo last update prices for flights from Idaho to Tennessee?
Prices for flights from Idaho to Tennessee are updated daily.
How many operators does momondo search for flights from Idaho to Tennessee?
The number of operators available for flights from Idaho to Tennessee is 6 as of June 2026.
How old do you have to be to fly from Idaho to Tennessee?
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 Idaho to Tennessee.
What documentation or ID do you need to fly to Tennessee?
The required travel and health documents for your Tennessee 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 Tennessee. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Tennessee

Compare and see reviews for airlines that fly from Idaho to Tennessee with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $108	Free Cancellation	Rating 7.1 11,778 reviews	Search American Airlines flights
Delta	PriceFrom $210	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
United Airlines	PriceFrom $243	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $306	Free Cancellation	Rating 7.9 12,582 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $308	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Tennessee. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Tennessee from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Idaho and Tennessee by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Idaho to Tennessee flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.