Idaho

$175+ Cheap flights from Tennessee to Idaho

BNA — BOI
Dec 5 — Dec 121
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Cheap flight deals from Tennessee to Idaho

Cheapest flights from Tennessee to Idaho

Wed 12/26:50 am -
1 stop8h 05m
Wed 12/96:40 am -
1 stop8h 00m
Deal found 11/4$333
Wed 11/253:25 pm -
1 stop8h 27m
Mon 12/71:47 pm -
1 stop8h 26m
Deal found 11/2$341
Wed 12/26:00 am -
1 stop7h 05m
Wed 12/912:40 pm -
2 stops9h 55m
Deal found 11/4$348
Thu 12/37:02 am -
1 stop8h 17m
Mon 12/712:56 pm -
1 stop10h 03m
Deal found 11/2$349
Fri 12/256:00 am -
1 stop8h 00m
Thu 12/311:50 pm -
1 stop6h 32m
Deal found 10/31$352
Sat 12/192:44 pm -
1 stop8h 16m
Sun 12/2711:10 pm -
1 stop8h 26m
Deal found 11/1$356
Tue 12/16:02 pm -
1 stop6h 47m
Mon 12/72:11 pm -
1 stop6h 02m
Deal found 11/1$362
Fri 12/117:44 am -
1 stop7h 15m
Mon 12/141:39 pm -
1 stop7h 47m
Deal found 11/2$363
Fri 12/45:24 am -
1 stop7h 00m
Fri 12/1112:16 pm -
1 stop8h 37m
Deal found 11/4$363
Sat 12/57:00 am -
1 stop7h 37m
Sun 12/2010:35 am -
2 stops11h 37m
Deal found 11/4$364
Wed 12/25:10 pm -
2 stops9h 00m
Tue 12/83:00 pm -
1 stop6h 24m
Deal found 11/1$368
Thu 12/172:18 pm -
1 stop9h 21m
Mon 1/41:57 pm -
1 stop6h 20m
Deal found 11/2$368

Find flight deals from Tennessee to Idaho

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$333
(American Airlines)

One-way from

$175
(Delta)

Popular in

June

Cheapest in

January

Average price

$470
Provider with most accurate pricing for Nashville Intl-Boise Air Term. Gowen Fld flight deals.
Provider most trusted by Cheapflights users for Nashville Intl-Boise Air Term. Gowen Fld flights.
From Tennessee to Idaho
One-way flight from Tennessee to Idaho
Highest demand for flights based on searches. 13% potential increase in price ($65 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Tennessee to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Mon 11/23

7:10 am-2:58 pm

1 stop8h 48m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$175

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Fri 12/25

6:00 am-12:05 pm

1 stop7h 05m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$178

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Fri 12/18

7:05 am-3:04 pm

1 stop8h 59m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$178

MemphisBoise

MEM Memphis - BOI Boise Air Term. Gowen Fld

MEMBOI

Memphis

Tue 11/24

5:36 am-11:28 am

1 stop6h 52m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$182

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Tue 12/8

7:59 am-12:42 pm

1 stop6h 43m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$182

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Fri 12/11

6:10 pm-1:30 am

2 stops8h 20m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$183

NashvilleIdaho Falls

BNA Nashville Intl - IDA Idaho Falls Fanning Field

BNAIDA

Nashville Intl

Sat 12/12

6:00 am-3:29 pm

2 stops10h 29m

Idaho Falls Fanning Field

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$185

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Mon 11/23

5:00 am-1:23 pm

2 stops9h 23m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$201

MemphisBoise

MEM Memphis - BOI Boise Air Term. Gowen Fld

MEMBOI

Memphis

Tue 11/24

6:30 pm-1:35 am

2 stops8h 05m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$219

NashvilleBoise

BNA Nashville Intl - BOI Boise Air Term. Gowen Fld

BNABOI

Nashville Intl

Mon 12/28

5:25 pm-1:35 am

1 stop9h 10m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$230

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Tennessee to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Tennessee with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Tennessee to Idaho

What is the cheapest month to book a flight from Tennessee to Idaho?

Currently, October is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $404). Flying from Tennessee to Idaho in December is currently the most expensive (average of $556). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Tennessee to Idaho?

Airfare is below average for this route at the moment.
Tennessee to Idaho flights typically cost between $407 and $543 in January.
The cheapest round-trip price found within the last 5 days was $333 on American Airlines (Jan 23-Jan 30).

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

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Tennessee to Idaho. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Idaho

Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Tennessee to Idaho. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Comfort

8.0

Crew

8.6

Food

7.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • How long is the flight from Tennessee to Idaho?

    There are many flights that can get you from Tennessee to Idaho in 6h 12m. Fly via Southwest, Delta, or United Airlines to get the fastest option. The distance from Tennessee to Idaho is about 1638 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Tennessee to Idaho one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $123. Delta flights start at $146 while deals on American Airlines start at $156 one-way.

  • Can I find deals for flights from Tennessee to Idaho that include hotel bookings?

    Yes. In addition to deals on Tennessee to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tennessee to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tennessee to Idaho.

  • Can I find deals for business class flights from Tennessee to Idaho?

    Yes. Cheapflights offers flight deals from Tennessee to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tennessee to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Tennessee to Idaho (average of $404). Flying from Tennessee to Idaho in December is currently the most expensive (average of $556). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Tennessee to Idaho

Top 4 airlines flying from Tennessee to Idaho

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$216Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$220Average$514FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$514FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$302Average$480FlexibilityNo cancel feeOn-time63%

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