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

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

What airlines fly to Idaho?

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

How long is the flight from Tennessee to Idaho?

Flight times from Tennessee to Idaho vary, but if you’re flying out of Memphis and flying into Boise (one of the most popular routes), then the duration is 5h 29m on average. Another popular route from Tennessee to Idaho is flying from Nashville to Boise, which will take roughly 5h 52m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Tennessee to Idaho are updated daily.

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

As of May 2026, there are 6 operators available to choose from for flights from Tennessee to Idaho.

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

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 Tennessee to Idaho.

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

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$132 Cheap Flights from Tennessee to Idaho in 2026

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Find the cheapest flights from Tennessee to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:32 pm - 12:30 pm

TYS

BOI

17h 58m

1 stop

1:25 pm - 7:37 pm

BOI

TYS

28h 12m

1 stop

$241Frontier

Mon, Jun 1 - Tue, Jun 9

8:32 pm - 12:30 pm

TYS

BOI

17h 58m

1 stop

1:25 pm - 7:37 pm

BOI

TYS

28h 12m

1 stop

$256Frontier

Mon, Jun 8 - Sun, Jun 14

6:54 pm - 11:06 pm

BNA

GEG

6h 12m

1 stop

2:23 pm - 10:29 pm

GEG

BNA

6h 06m

1 stop

$263Delta

Thu, Jun 4 - Tue, Jun 9

3:31 pm - 11:06 pm

BNA

GEG

9h 35m

2 stops

12:53 pm - 10:33 pm

GEG

BNA

7h 40m

1 stop

$288American Airlines

Tue, Aug 4 - Tue, Aug 11

4:12 pm - 8:47 pm

CHA

GEG

7h 35m

1 stop

6:00 am - 3:27 pm

GEG

CHA

6h 27m

1 stop

$293American Airlines

Fri, Sep 11 - Sat, Sep 19

6:45 pm - 11:46 pm

BNA

BOI

6h 01m

1 stop

11:42 pm - 8:41 am

BOI

BNA

7h 59m

1 stop

$293Delta

Tue, Jul 14 - Tue, Jul 21

5:45 pm - 12:05 am

BNA

GEG

8h 20m

2 stops

5:25 am - 8:40 pm

GEG

BNA

13h 15m

1 stop

$294Southwest

Tue, Jul 21 - Mon, Aug 3

7:20 pm - 1:20 am

BNA

GEG

8h 00m

1 stop

5:25 am - 8:40 pm

GEG

BNA

13h 15m

1 stop

$310Southwest

Fri, Jun 12 - Mon, Jun 15

2:26 pm - 9:02 pm

BNA

JAC

7h 36m

1 stop

4:25 pm - 11:59 pm

JAC

BNA

6h 34m

1 stop

$364United Airlines

Thu, Oct 15 - Mon, Oct 19

11:15 am - 9:02 pm

BNA

JAC

10h 47m

2 stops

2:40 pm - 9:34 pm

JAC

BNA

5h 54m

1 stop

$366United Airlines

Tue, Oct 20 - Fri, Oct 30

Delta flights from Tennessee to Idaho

Our best Delta deals on Tennessee to Idaho flight tickets

Delta

Jun 4

BNA6:54 pmNashville Intl

6h 12m

1 stop

GEG11:06 pmSpokane

Jun 9

GEG2:23 pmSpokane

6h 06m

1 stop

BNA10:29 pmNashville Intl

$263

Delta

Jul 14

BNA6:45 pmNashville Intl

6h 01m

1 stop

BOI11:46 pmBoise Air Term. Gowen Fld

Jul 21

BOI11:42 pmBoise Air Term. Gowen Fld

7h 59m

1 stop

BNA8:41 amNashville Intl

$293

Delta

Jul 10

BNA7:34 pmNashville Intl

6h 21m

1 stop

GEG11:55 pmSpokane

Jul 13

GEG10:48 pmSpokane

6h 50m

1 stop

BNA7:38 amNashville Intl

$295

American Airlines flights from Tennessee to Idaho

Our best American Airlines deals on Tennessee to Idaho flight tickets

American Airlines

Aug 4

BNA3:31 pmNashville Intl

9h 35m

2 stops

GEG11:06 pmSpokane

Aug 11

GEG12:53 pmSpokane

7h 40m

1 stop

BNA10:33 pmNashville Intl

$288

American Airlines

Sep 11

CHA4:12 pmChattanooga Lovell Field

7h 35m

1 stop

GEG8:47 pmSpokane

Sep 19

GEG6:00 amSpokane

6h 27m

1 stop

CHA3:27 pmChattanooga Lovell Field

$293

American Airlines

Sep 11

CHA4:12 pmChattanooga Lovell Field

7h 35m

1 stop

GEG8:47 pmSpokane

Sep 19

GEG6:30 amSpokane

12h 45m

2 stops

CHA10:15 pmChattanooga Lovell Field

$298

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Mon 6/1

8:32 pm-12:30 pm

1 stop17h 58m

Boise Air Term. Gowen Fld

Tue 6/9

1:25 pm-7:37 pm

1 stop28h 12m

$241

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Mon 6/8

8:32 pm-12:30 pm

1 stop17h 58m

Boise Air Term. Gowen Fld

Sun 6/14

1:25 pm-7:37 pm

1 stop28h 12m

$256

Quickest round-trip

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 6/4

6:54 pm-11:06 pm

1 stop6h 12m

Spokane

Tue 6/9

2:23 pm-10:29 pm

1 stop6h 06m

$263

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 8/4

3:31 pm-11:06 pm

2 stops9h 35m

Spokane

Tue 8/11

12:53 pm-10:33 pm

1 stop7h 40m

$288

ChattanoogaSpokane

CHA - GEG

CHAGEG

Chattanooga Lovell Field

Fri 9/11

4:12 pm-8:47 pm

1 stop7h 35m

Spokane

Sat 9/19

6:00 am-3:27 pm

1 stop6h 27m

$293

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 7/14

6:45 pm-11:46 pm

1 stop6h 01m

Boise Air Term. Gowen Fld

Tue 7/21

11:42 pm-8:41 am

1 stop7h 59m

$293

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Tue 7/21

5:45 pm-12:05 am

2 stops8h 20m

Spokane

Mon 8/3

5:25 am-8:40 pm

1 stop13h 15m

$294

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Fri 6/12

7:20 pm-1:20 am

1 stop8h 00m

Spokane

Mon 6/15

5:25 am-8:40 pm

1 stop13h 15m

$310

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Thu 10/15

2:26 pm-9:02 pm

1 stop7h 36m

Jackson Hole

Mon 10/19

4:25 pm-11:59 pm

1 stop6h 34m

$364

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Tue 10/20

11:15 am-9:02 pm

2 stops10h 47m

Jackson Hole

Fri 10/30

2:40 pm-9:34 pm

1 stop5h 54m

$366

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 Tennessee to Idaho

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 Idaho?

In general, September is the cheapest month to fly from Tennessee to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $91. If you don’t want to visit Idaho in September, then you should wait until February to fly from Tennessee, when ticket prices are also cheap, with an average price of $91.

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

You are more likely to see cheaper flights to Idaho from Tennessee when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $387 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Tennessee for as low as $306 on momondo.

Can stopping save me money on Tennessee to Idaho flights?

You could potentially save up to 38% on your flight if you consider stops on a Tennessee to Idaho flight.

Cheap Tennessee to Idaho flight deals and tips

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

Fastest flight time	5h 16m
Direct flights	None

The fastest flight from Tennessee to Idaho takes 5h 16m

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

Search flight deals

Frequently asked questions about flying from Tennessee to Idaho

When did momondo last update prices for flights from Tennessee to Idaho?
Prices for flights from Tennessee to Idaho are updated daily.
How many operators does momondo search for flights from Tennessee to Idaho?
As of May 2026, there are 6 operators available to choose from for flights from Tennessee to Idaho.
How old do you have to be to fly from Tennessee to Idaho?
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 Tennessee to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Tennessee to Idaho

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $130	Free Cancellation	Rating 5.6 2,953 reviews	Search Frontier flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.9 8,456 reviews	Search Delta flights
American Airlines	PriceFrom $220	Free Cancellation	Rating 7.1 11,666 reviews	Search American Airlines flights
United Airlines	PriceFrom $270	Free Cancellation	Rating 7.4 9,719 reviews	Search United Airlines flights
Southwest	PriceFrom $274	Free Cancellation	Rating 8.0 4,299 reviews	Search Southwest flights

Why use momondo?

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

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

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

All flight searches from Tennessee to Idaho on momondo can be filtered to show those which offer flexible booking policies.

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

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 Tennessee to Idaho.

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

Of course. momondo tracks the price of Tennessee to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.