$183+ Cheap flights from Nashville to Idaho Falls (BNA - IDA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — IDA
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Nashville to Idaho Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Nashville to Idaho Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from Nashville to Idaho FallsExplore the most affordable flight options available from Nashville to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
Explore the most affordable flight options available from Nashville to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/305:00 am -
1 stop9h 09m
Mon 11/26:36 am -
1 stop6h 45m
Deal found 9/2![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 11/49:43 am -
2 stops12h 26m
Wed 11/112:35 pm -
1 stop5h 58m
Deal found 9/5![United Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 9/5. 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 11/45:00 am -
1 stop9h 05m
Wed 11/116:36 am -
1 stop6h 45m
Deal found 9/5![American Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/110:40 am -
1 stop5h 44m
Wed 10/75:51 pm -
1 stop5h 08m
Deal found 9/7![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/224:15 pm -
1 stop6h 03m
Sun 9/275:51 pm -
1 stop5h 08m
Deal found 9/5![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/172:45 pm -
1 stop7h 33m
Sun 9/275:51 pm -
1 stop5h 08m
Deal found 9/3![United Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/15:00 am -
1 stop7h 45m
Tue 10/61:50 pm -
1 stop8h 13m
Deal found 9/6![American Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/1610:40 am -
1 stop5h 44m
Sun 10/184:05 pm -
1 stop6h 54m
Deal found 9/2![United Airlines logo]()
$540
Best flights from Nashville to Idaho FallsDiscover carefully curated flight deals from Nashville to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Nashville to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 11/49:43 am -
2 stops12h 26m
Wed 11/112:35 pm -
1 stop5h 58m
Deal found 9/5![United Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 2/67:01 am -
1 stop9h 20m
Tue 2/91:56 pm -
1 stop9h 03m
Deal found 9/6![Alaska Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/110:40 am -
1 stop5h 44m
Wed 10/75:51 pm -
1 stop5h 08m
Deal found 9/7![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 2/611:13 am -
2 stops10h 55m
Tue 2/92:35 pm -
1 stop5h 31m
Deal found 9/3![United Airlines logo]()
$416
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/2212:37 pm -
2 stops9h 41m
Sun 9/275:51 pm -
1 stop5h 08m
Deal found 9/5![United Airlines logo]()
$421
Last-minute flights from Nashville to Idaho FallsDiscover last-minute flight deals from Nashville to Idaho Falls. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Nashville to Idaho Falls. Data last updated September 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/167:00 am -
2 stops11h 16m
Thu 9/242:28 pm -
1 stop8h 31m
Deal found 9/2![United Airlines logo]()
$575
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/172:45 pm -
1 stop7h 33m
Sun 9/275:51 pm -
1 stop5h 08m
Deal found 9/3![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/224:15 pm -
1 stop6h 03m
Sun 9/275:51 pm -
1 stop5h 08m
Deal found 9/5![United Airlines logo]()
$415
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 10/110:40 am -
1 stop5h 44m
Wed 10/75:51 pm -
1 stop5h 08m
Deal found 9/7![United Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/15:00 am -
1 stop7h 45m
Tue 10/61:50 pm -
1 stop8h 13m
Deal found 9/6![American Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/1610:40 am -
1 stop5h 44m
Sun 10/184:05 pm -
1 stop6h 54m
Deal found 9/2![United Airlines logo]()
$540
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 10/305:00 am -
1 stop9h 09m
Mon 11/26:36 am -
1 stop6h 45m
Deal found 9/2![American Airlines logo]()
$339
One-way flights from Nashville to Idaho FallsSearch for one-way flight options from Nashville to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Nashville to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 12/313:13 pm -
1 stop7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$183
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sun 1/312:06 pm -
1 stop9h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$185
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 12/313:30 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$193
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Fri 1/18:30 am -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![American Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 9/6. 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.
Thu 9/242:01 pm -
1 stop5h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$231
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Thu 9/176:03 am -
1 stop6h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![American Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:34 pm -
2 stops23h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Allegiant Air logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 9/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:08 pm -
2 stops17h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$267
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Thu 12/316:01 am -
3 stops16h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$353
Find flight deals from Nashville to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Nashville (BNA) 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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (American Airlines) |
One-way from | $183 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Nashville 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 7,457,451 searches. Data last updated September 7, 2026.
Use the filters below to find and compare flights from Nashville to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Thu 12/31
3:13 pm-9:46 pm
1 stop7h 33m
Idaho Falls Fanning Field
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
Sun 1/31
2:06 pm-10:58 pm
1 stop9h 52m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Thu 12/31
3:30 pm-10:25 pm
1 stop7h 55m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$193
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Fri 9/18
5:00 am-11:45 am
1 stop7h 45m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Wed 11/4
9:43 am-9:09 pm
2 stops12h 26m
Idaho Falls Fanning Field
Wed 11/11
2:35 pm-9:33 pm
1 stop5h 58m
$346
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Thu 10/1
10:40 am-3:24 pm
1 stop5h 44m
Idaho Falls Fanning Field
Wed 10/7
5:51 pm-11:59 pm
1 stop5h 08m
$400
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Thu 12/31
6:01 am-9:19 pm
3 stops16h 18m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$413
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Sat 2/6
11:13 am-9:08 pm
2 stops10h 55m
Idaho Falls Fanning Field
Tue 2/9
2:35 pm-9:06 pm
1 stop5h 31m
$416
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Tue 9/22
12:37 pm-9:18 pm
2 stops9h 41m
Idaho Falls Fanning Field
Sun 9/27
5:51 pm-11:59 pm
1 stop5h 08m
$421
NashvilleIdaho Falls
BNA Nashville Intl - IDA Idaho Falls Fanning Field
BNAIDA
Nashville Intl
Sat 2/6
7:01 am-3:21 pm
1 stop9h 20m
Idaho Falls Fanning Field
Tue 2/9
1:56 pm-11:59 pm
1 stop9h 03m
$430
Sorted by cheapest first
Compare providers for flights from Nashville to Idaho Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Nashville to Idaho Falls in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Nashville-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Nashville-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Nashville-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Nashville-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Nashville-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Nashville to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Nashville with our price prediction graph.
BNA-IDA
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.
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 September 7, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Nashville to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Related info for your journey
Find useful and relevant information for your journey from Nashville to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Nashville and Idaho Falls flights
Browse other Nashville and Idaho Falls flight options. Last updated on September 7, 2026.
Other flights from Nashville
Browse through other flights departing from Nashville. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Nashville to Idaho Falls
Discover the top 3 airlines that operate flights from Nashville 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$319 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$338 | Average$523 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$406 | Average$574 | FlexibilityNo cancel fee | On-time71% |