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

Spirit Airlines, Alaska Airlines, and American Airlines are the most popular carriers operating from Idaho to Tennessee

How long is the flight from Idaho to Tennessee?

On average, it takes 5h 45m 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 47m.

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 34% 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.

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 5 as of August 2025.

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.

$103 Cheap Flights from Idaho to Tennessee in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Idaho to Tennessee

Round-trip

One-way

Last minute

Cheap round-trip flights

2:16 pm - 9:42 pmBOI-BNA

6h 26m1 stop

10:07 pm - 11:53 amBNA-BOI

14h 46m1 stop

$199Spirit Airlines

Find Deal

Thu, Oct 30 - Sat, Nov 8

12:48 pm - 12:59 amBOI-BNA

11h 11m1 stop

10:07 pm - 11:23 amBNA-BOI

14h 16m1 stop

$205Spirit Airlines

Find Deal

Thu, Nov 13 - Sun, Nov 16

4:20 pm - 12:02 amBOI-BNA

6h 42m1 stop

7:05 pm - 12:15 amBNA-BOI

6h 10m1 stop

$257Delta

Find Deal

Wed, Sep 17 - Mon, Sep 22

12:35 pm - 9:58 pmGEG-BNA

7h 23m1 stop

7:20 am - 12:44 pmBNA-GEG

7h 24m1 stop

$259American Airlines

Find Deal

Tue, Sep 23 - Mon, Sep 29

3:20 pm - 10:15 pmBOI-BNA

5h 55m1 stop

4:50 pm - 12:15 amBNA-BOI

8h 25m2 stops

$262Delta

Find Deal

Wed, Sep 17 - Mon, Sep 22

8:25 am - 7:10 pmGEG-BNA

8h 45m2 stops

5:00 am - 9:10 amBNA-GEG

6h 10m1 stop

$270Southwest

Find Deal

Tue, Sep 23 - Mon, Sep 29

1:57 pm - 11:04 pmBOI-BNA

8h 07m2 stops

5:00 am - 1:17 pmBNA-BOI

9h 17m2 stops

$280American Airlines

Find Deal

Tue, Sep 23 - Wed, Sep 24

5:15 am - 8:56 pmGEG-TYS

12h 41m2 stops

7:00 am - 11:27 amTYS-GEG

7h 27m1 stop

$308United Airlines

Find Deal

Wed, Sep 3 - Wed, Sep 10

8:25 am - 7:10 pmGEG-BNA

8h 45m2 stops

5:00 am - 12:35 pmBNA-GEG

9h 35m2 stops

$309Southwest

Find Deal

Tue, Sep 23 - Mon, Sep 29

6:25 pm - 10:27 amGEG-TYS

13h 02m2 stops

7:00 am - 11:27 amTYS-GEG

7h 27m1 stop

$344United Airlines

Find Deal

Fri, Aug 15 - Tue, Aug 19

Frontier flights from Idaho to Tennessee

Our best Frontier deals on Idaho to Tennessee flight tickets

Frontier

Aug 3

GEG11:58 amSpokane

10h 03m

1 stop

BNA12:01 amNashville Intl

Aug 12

BNA7:00 amNashville Intl

6h 06m

1 stop

GEG11:06 amSpokane

$248

Find similar

Frontier

Oct 5

BOI12:22 pmBoise Air Term. Gowen Fld

7h 21m

1 stop

BNA8:43 pmNashville Intl

Oct 12

BNA6:12 amNashville Intl

6h 41m

1 stop

BOI11:53 amBoise Air Term. Gowen Fld

$255

Find similar

Frontier

Aug 7

GEG11:58 amSpokane

10h 03m

1 stop

BNA12:01 amNashville Intl

Sep 5

BNA6:15 amNashville Intl

6h 43m

1 stop

GEG10:58 amSpokane

$258

Find similar

Hawaiian Airlines flights from Idaho to Tennessee

Our best Hawaiian Airlines deals on Idaho to Tennessee flight tickets

Hawaiian Airlines

Sep 17

BOI2:28 pmBoise Air Term. Gowen Fld

8h 40m

1 stop

BNA12:08 amNashville Intl

Sep 22

BNA7:00 amNashville Intl

9h 00m

1 stop

BOI3:00 pmBoise Air Term. Gowen Fld

$256

Find similar

Hawaiian Airlines

Sep 17

BOI2:28 pmBoise Air Term. Gowen Fld

8h 40m

1 stop

BNA12:08 amNashville Intl

Sep 22

BNA7:00 amNashville Intl

9h 00m

1 stop

BOI3:00 pmBoise Air Term. Gowen Fld

$263

Find similar

Hawaiian Airlines

Sep 23

GEG1:40 pmSpokane

8h 28m

1 stop

BNA12:08 amNashville Intl

Sep 29

BNA5:27 pmNashville Intl

7h 44m

1 stop

GEG11:11 pmSpokane

$264

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Thu 10/30

2:16 pm-9:42 pm

1 stop6h 26m

Nashville Intl

Sat 11/8

10:07 pm-11:53 am

1 stop14h 46m

$199

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Thu 11/13

12:48 pm-12:59 am

1 stop11h 11m

Nashville Intl

Sun 11/16

10:07 pm-11:23 am

1 stop14h 16m

$205

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 9/17

4:20 pm-12:02 am

1 stop6h 42m

Nashville Intl

Mon 9/22

7:05 pm-12:15 am

1 stop6h 10m

$257

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 9/23

12:35 pm-9:58 pm

1 stop7h 23m

Nashville Intl

Mon 9/29

7:20 am-12:44 pm

1 stop7h 24m

$259

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 9/17

3:20 pm-10:15 pm

1 stop5h 55m

Nashville Intl

Mon 9/22

4:50 pm-12:15 am

2 stops8h 25m

$262

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 9/23

8:25 am-7:10 pm

2 stops8h 45m

Nashville Intl

Mon 9/29

5:00 am-9:10 am

1 stop6h 10m

$270

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 9/23

1:57 pm-11:04 pm

2 stops8h 07m

Nashville Intl

Wed 9/24

5:00 am-1:17 pm

2 stops9h 17m

$280

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Wed 9/3

5:15 am-8:56 pm

2 stops12h 41m

Knoxville McGhee Tyson

Wed 9/10

7:00 am-11:27 am

1 stop7h 27m

$308

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 9/23

8:25 am-7:10 pm

2 stops8h 45m

Nashville Intl

Mon 9/29

5:00 am-12:35 pm

2 stops9h 35m

$309

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Fri 8/15

6:25 pm-10:27 am

2 stops13h 02m

Knoxville McGhee Tyson

Tue 8/19

7:00 am-11:27 am

1 stop7h 27m

$344

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 April. Flight prices, which tend to average around $346, are often lower during this time because this is during the off-season. If you don’t want to visit Tennessee in April, then you should wait until January to fly from Idaho, when ticket prices are also cheap, with an average price of $356.

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

The cheapest day to depart from Idaho to Tennessee is on a Wednesday. Travelers who choose to depart for Tennessee on a Wednesday will often find tickets for as low as $397. Flights from Idaho to Tennessee on a Thursday will generally be more expensive and average around $507. 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 evening when flights can be purchased for as low as $287. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $496 on average. Flights to Tennessee from Idaho in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight 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 $413 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 $311 on momondo.

Can stopping save me money on Idaho to Tennessee flights?

You could potentially save up to 41% 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

Best Price Found	$103
Fastest flight time	5h 12m
Direct flights	None
Airports in Tennessee	4 airports

The best one-way flight to Tennessee from Idaho in the past 72 hours is $103. The best round-trip flight deal from Idaho to Tennessee found on momondo in the last 72 hours is $199.

The fastest flight from Idaho to Tennessee takes 5h 12m

There are no direct flights from Idaho to Tennessee. Popular non-direct routes for this connection are Spokane Airport - Nashville Intl Airport, Spokane Airport - Memphis Airport and Boise Air Term. Gowen Fld Airport - Nashville Intl Airport.

There are 4 airports near Tennessee: Nashville Intl (BNA), Memphis (MEM), Chattanooga Lovell Field (CHA), Knoxville McGhee Tyson (TYS)

Search flight deals

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 5 as of August 2025.
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
Delta	PriceFrom $208	Free Cancellation	Rating 8.0 7,983 reviews	Search Delta flights
Alaska Airlines	PriceFrom $221	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $298	Free Cancellation	Rating 7.4 8,904 reviews	Search United Airlines flights
Southwest	PriceFrom $321	Free Cancellation	Rating 8.0 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.