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

Delta, Frontier, and United Airlines 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 40% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 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 21m on average. Another popular route from Tennessee to Idaho is flying from Nashville to Boise, which will take roughly 5h 44m. Keep in mind that layovers or delays could extend your travel time.

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

7 flights are operational weekly from Tennessee to Idaho as of September 2025. The most popular departure day for this route is Thu, with 29% of flights per week taking off on this day.

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 September 2025, there are 7 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.

$112 Cheap Flights from Tennessee to Idaho in 2025/26

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Find the cheapest flights from Tennessee to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

6:12 am - 11:43 amBNA-BOI

6h 31m1 stop

12:28 pm - 11:59 pmBOI-BNA

10h 31m1 stop

$145Frontier

Find Deal

jue., oct. 16 - jue., oct. 23

6:12 am - 11:43 amBNA-BOI

6h 31m1 stop

12:28 pm - 11:59 pmBOI-BNA

10h 31m1 stop

$219Frontier

Find Deal

jue., oct. 16 - dom., oct. 19

5:00 pm - 11:43 pmBNA-GEG

8h 43m1 stop

5:45 am - 2:53 pmGEG-BNA

7h 08m1 stop

$223Delta

Find Deal

mar., oct. 14 - mar., oct. 28

5:15 am - 1:29 pmBNA-GEG

10h 14m2 stops

12:51 pm - 9:22 pmGEG-BNA

6h 31m1 stop

$228Delta

Find Deal

mar., oct. 14 - mar., oct. 28

6:45 am - 12:16 pmBNA-JAC

6h 31m1 stop

1:06 pm - 9:37 pmJAC-BNA

7h 31m1 stop

$263American Airlines

Find Deal

mar., nov. 11 - sáb., nov. 15

5:00 am - 12:16 pmBNA-JAC

8h 16m1 stop

1:06 pm - 11:59 pmJAC-BNA

9h 53m2 stops

$268American Airlines

Find Deal

mar., nov. 11 - sáb., nov. 15

8:30 am - 4:03 pmBNA-BOI

8h 33m1 stop

2:31 pm - 9:33 pmBOI-BNA

6h 02m1 stop

$271United Airlines

Find Deal

sáb., nov. 8 - mar., nov. 11

6:07 am - 1:25 pmBNA-BOI

8h 18m2 stops

2:31 pm - 9:33 pmBOI-BNA

6h 02m1 stop

$276United Airlines

Find Deal

sáb., nov. 8 - mar., nov. 11

3:00 pm - 10:25 pmBNA-GEG

9h 25m2 stops

5:25 am - 3:25 pmGEG-BNA

8h 00m2 stops

$329Southwest

Find Deal

mar., oct. 14 - mar., oct. 28

5:40 am - 10:40 amBNA-BOI

6h 00m1 stop

6:50 am - 2:50 pmBOI-BNA

7h 00m2 stops

$331Southwest

Find Deal

mar., ene. 20 - sáb., ene. 24

Frontier flights from Tennessee to Idaho

Our best Frontier deals on Tennessee to Idaho flight tickets

Frontier

Oct 16

BNA6:12 amNashville Intl

6h 31m

1 stop

BOI11:43 amBoise Air Term. Gowen Fld

Oct 23

BOI12:28 pmBoise Air Term. Gowen Fld

10h 31m

1 stop

BNA11:59 pmNashville Intl

$145

Find similar

Frontier

Oct 16

BNA6:12 amNashville Intl

6h 31m

1 stop

BOI11:43 amBoise Air Term. Gowen Fld

Oct 19

BOI12:28 pmBoise Air Term. Gowen Fld

10h 31m

1 stop

BNA11:59 pmNashville Intl

$219

Find similar

Frontier

Oct 16

BNA6:12 amNashville Intl

6h 31m

1 stop

BOI11:43 amBoise Air Term. Gowen Fld

Oct 23

BOI12:28 pmBoise Air Term. Gowen Fld

31h 36m

2 stops

BNA9:04 pmNashville Intl

$260

Find similar

United Airlines flights from Tennessee to Idaho

Our best United Airlines deals on Tennessee to Idaho flight tickets

United Airlines

Nov 8

BNA8:30 amNashville Intl

8h 33m

1 stop

BOI4:03 pmBoise Air Term. Gowen Fld

Nov 11

BOI2:31 pmBoise Air Term. Gowen Fld

6h 02m

1 stop

BNA9:33 pmNashville Intl

$271

Find similar

United Airlines

Nov 8

BNA6:07 amNashville Intl

8h 18m

2 stops

BOI1:25 pmBoise Air Term. Gowen Fld

Nov 11

BOI2:31 pmBoise Air Term. Gowen Fld

6h 02m

1 stop

BNA9:33 pmNashville Intl

$276

Find similar

United Airlines

Oct 29

BNA8:43 amNashville Intl

12h 54m

2 stops

JAC8:37 pmJackson Hole

Nov 3

JAC2:40 pmJackson Hole

5h 53m

1 stop

BNA9:33 pmNashville Intl

$310

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

jue. 10/16

6:12 am-11:43 am

1 stop6h 31m

Boise Air Term. Gowen Fld

jue. 10/23

12:28 pm-11:59 pm

1 stop10h 31m

$145

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

jue. 10/16

6:12 am-11:43 am

1 stop6h 31m

Boise Air Term. Gowen Fld

dom. 10/19

12:28 pm-11:59 pm

1 stop10h 31m

$219

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

mar. 10/14

5:00 pm-11:43 pm

1 stop8h 43m

Spokane

mar. 10/28

5:45 am-2:53 pm

1 stop7h 08m

$223

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

mar. 10/14

5:15 am-1:29 pm

2 stops10h 14m

Spokane

mar. 10/28

12:51 pm-9:22 pm

1 stop6h 31m

$228

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

mar. 11/11

6:45 am-12:16 pm

1 stop6h 31m

Jackson Hole

sáb. 11/15

1:06 pm-9:37 pm

1 stop7h 31m

$263

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

mar. 11/11

5:00 am-12:16 pm

1 stop8h 16m

Jackson Hole

sáb. 11/15

1:06 pm-11:59 pm

2 stops9h 53m

$268

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

sáb. 11/8

8:30 am-4:03 pm

1 stop8h 33m

Boise Air Term. Gowen Fld

mar. 11/11

2:31 pm-9:33 pm

1 stop6h 02m

$271

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

sáb. 11/8

6:07 am-1:25 pm

2 stops8h 18m

Boise Air Term. Gowen Fld

mar. 11/11

2:31 pm-9:33 pm

1 stop6h 02m

$276

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

mar. 10/14

3:00 pm-10:25 pm

2 stops9h 25m

Spokane

mar. 10/28

5:25 am-3:25 pm

2 stops8h 00m

$329

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

mar. 1/20

5:40 am-10:40 am

1 stop6h 00m

Boise Air Term. Gowen Fld

sáb. 1/24

6:50 am-2:50 pm

2 stops7h 00m

$331

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, August 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 $314. If you don’t want to visit Idaho in August, then you should wait until September to fly from Tennessee, when ticket prices are also cheap, with an average price of $324.

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

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $360. On the other hand, Sunday is the most expensive day to depart from Tennessee because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $537.

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

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Tennessee to Idaho in the afternoon for as low as $381. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Idaho, so prices are often more expensive at around $547 per ticket.

How far in advance should I book a flight 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 $395 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 $324 on momondo.

Can stopping save me money on Tennessee to Idaho flights?

You could potentially save up to 63% 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

Direct flights	None

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

Search flight deals

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 September 2025, there are 7 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
American Airlines	PriceFrom $172	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $193	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights
Spirit Airlines	PriceFrom $199	Free Cancellation	Rating 6.3 8,030 reviews	Search Spirit Airlines flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $313	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Southwest	PriceFrom $339	Free Cancellation	Rating 8.0 4,242 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.