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Idaho Falls

$230+ Cheap flights from Tennessee to Idaho Falls (IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IDA
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Tennessee to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Tennessee (USTN) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$299
(United Airlines)

One-way from

$230
(Alaska Airlines)
From Tennessee to Idaho Falls Fanning Field
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One-way flight from Tennessee to Idaho Falls Fanning Field
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Find flight deals from Tennessee to Idaho Falls

Cheapest flights from Tennessee to Idaho Falls
Explore the most affordable flight options available from Tennessee to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/47:00 amTYS - IDA
2 stops12h 09mUnited Airlines
Sat 3/810:38 amIDA - TYS
2 stops10h 17mUnited Airlines
Deal found 1/21$299
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/118:15 amBNA - IDA
1 stop8h 03mUnited Airlines
Sat 2/152:30 pmIDA - BNA
1 stop5h 45mUnited Airlines
Deal found 1/21$321
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1111:32 amBNA - IDA
2 stops11h 45mAmerican Airlines
Sat 2/1512:56 pmIDA - BNA
2 stops9h 30mAmerican Airlines
Deal found 1/21$331
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/71:00 pmTYS - IDA
2 stops11h 44mDelta
Mon 2/106:58 pmIDA - TYS
2 stops12h 18mDelta
Deal found 1/20$379
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:28 amTYS - IDA
1 stop8h 49mAmerican Airlines
Sat 3/812:58 pmIDA - TYS
1 stop8h 59mAmerican Airlines
Deal found 1/21$390
This American Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/304:34 pmMEM - IDA
1 stop5h 27mAmerican Airlines
Wed 8/61:50 pmIDA - MEM
1 stop7h 29mAmerican Airlines
Deal found 1/21$598
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/307:58 amMEM - IDA
1 stop5h 25mDelta
Wed 8/67:00 pmIDA - MEM
2 stops13h 20mDelta
Deal found 1/21$614
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/269:00 amBNA - IDA
1 stop14h 38mAlaska Airlines
Tue 7/18:00 amIDA - BNA
1 stop20h 46mAlaska Airlines
Deal found 1/20$636
This Delta deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/225:00 pmBNA - IDA
1 stop6h 44mDelta
Wed 1/296:00 amIDA - BNA
1 stop7h 19mDelta
Deal found 1/21$785
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/711:02 amTYS - IDA
2 stops30h 25mAlaska Airlines
Mon 2/104:04 pmIDA - TYS
3 stops27h 52mAlaska Airlines
Deal found 1/20$970

Find flights from Tennessee to Idaho Falls within your budget

Customize your flight search to find flights from Tennessee to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.

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Route

Depart

Return

Price

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Tue 3/4

7:00 am-5:09 pm

2 stops12h 09m

Idaho Falls Fanning Field

Sat 3/8

10:38 am-10:55 pm

2 stops10h 17m

$299

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 2/11

8:15 am-3:18 pm

1 stop8h 03m

Idaho Falls Fanning Field

Sat 2/15

2:30 pm-9:15 pm

1 stop5h 45m

$321

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 2/11

11:32 am-10:17 pm

2 stops11h 45m

Idaho Falls Fanning Field

Sat 2/15

12:56 pm-11:26 pm

2 stops9h 30m

$331

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Fri 2/7

1:00 pm-10:44 pm

2 stops11h 44m

Idaho Falls Fanning Field

Mon 2/10

6:58 pm-9:16 am

2 stops12h 18m

$379

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Tue 3/4

5:28 am-12:17 pm

1 stop8h 49m

Idaho Falls Fanning Field

Sat 3/8

12:58 pm-11:57 pm

1 stop8h 59m

$390

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 6/26

9:00 am-10:38 pm

1 stop14h 38m

Idaho Falls Fanning Field

Tue 7/1

8:00 am-5:46 am

1 stop20h 46m

$636

KnoxvilleIdaho Falls

TYS - IDA

TYSIDA

Knoxville McGhee Tyson

Fri 2/7

11:02 am-3:27 pm

2 stops30h 25m

Idaho Falls Fanning Field

Mon 2/10

4:04 pm-9:56 pm

3 stops27h 52m

$970

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 5/15

9:22 am-10:34 pm

1 stop14h 12m

$230

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 5/20

4:02 pm-9:08 pm

1 stop6h 06m

$260

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Mon 5/19

5:45 pm-9:32 am

2 stops16h 47m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 14 results
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Best time to book a flight from Tennessee to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Tennessee with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Tennessee to Idaho Falls

Get recent, data-driven insights about flights from Tennessee to Idaho Falls including ideal travel times, pricing trends, and more.

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

Currently, October is the cheapest month in which you can book a flight from Tennessee to Idaho Falls (average of $380). Flying from Tennessee to Idaho Falls in July is currently the most expensive (average of $628). 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.

What is the cheapest time of day to fly from TN to IDA?

Find hourly flight availability from Tennessee to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Tennessee to Idaho Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated January 21, 2025.
See what other customers who have flown with United Airlines, American Airlines and Alaska Airlines from Tennessee to Idaho Falls have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,706 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,984 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Idaho Falls from Tennessee?

    If you book a flight to Idaho Falls from Tennessee, you will be flying to Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    One-way options have recently been found by users for as low as $230 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $260 and United Airlines from $314 one-way.

  • What are the most popular routes from Tennessee to Idaho Falls?

    The most popular flight routes from Tennessee to Idaho Falls are Nashville Intl - Idaho Falls Fanning Field, Knoxville McGhee Tyson - Idaho Falls Fanning Field and Memphis - Idaho Falls Fanning Field.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Tennessee to Idaho Falls 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 Falls?

    Currently, October is the cheapest month in which you can book a flight from Tennessee to Idaho Falls (average of $380). Flying from Tennessee to Idaho Falls in July is currently the most expensive (average of $628). 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

Traveling to a place near Tennessee?

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Top 3 airlines flying from Tennessee to Idaho Falls

Discover the top 3 airlines that operate flights from Tennessee to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$298Average$675FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$378Average$589FlexibilityNo cancel feeOn-time69%
DeltaCheapest$435Average$758FlexibilityNo cancel feeOn-timeN/A
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