What are the cheapest airlines flying from Nashville to Idaho Falls round-trip?

Our cheapest airline available from Nashville to Idaho Falls is Alaska Airlines. Our recent data shows that you can find tickets from as low as $386 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $387 and $397 round-trip. Alaska Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $194. Users have also found prices from $199 and $234 on Delta and United Airlines, respectively.

What is the cheapest day to fly from Nashville to Idaho Falls?

Travelers seeking maximum savings on their Nashville to Idaho Falls flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Nashville to Idaho Falls?

The most popular airlines flying from Nashville to Idaho Falls are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Nashville to Idaho Falls?

Thursday flights are found to be more expensive to fly from Nashville to Idaho Falls. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Idaho Falls.

What is the cheapest month to fly from Nashville to Idaho Falls?

Our data shows that April tends to be the cheapest month to fly to Idaho Falls from Nashville. Users have commonly found prices around $654 for the month, but tickets can be as low as $320. Due to multiple factors, prepare for potentially higher prices in February.

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

When flying from Nashville to Idaho Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight in the morning.

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 eDreams the most. eDreams 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.

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

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

How can I find direct flights from Nashville to Idaho Falls?

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

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

Yes. Cheapflights offers flight deals from Nashville 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.

$194+ Flights from Nashville to Idaho Falls

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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”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap flight deals from Nashville to Idaho Falls

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$386 (Alaska Airlines)
One-way from	$194 (American Airlines)
Popular in	February
Cheapest in	April
Average price	$426

Provider with most accurate pricing for Nashville Intl-Idaho Falls Fanning Field flight deals.

Search Deals

Provider most trusted by Cheapflights users for Nashville Intl-Idaho Falls Fanning Field flights.

Search Deals

From Nashville Intl to Idaho Falls Fanning Field

Search Deals

One-way flight from Nashville Intl to Idaho Falls Fanning Field

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($114 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in May 2025

Search Deals

Find flight deals from Nashville to Idaho Falls

Cheapest flights from Nashville to Idaho Falls
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 May 1, 2025.

Tue 9/239:00 amBNA - IDA

1 stop14h 39mAlaska Airlines

Tue 9/304:03 pmIDA - BNA

1 stop7h 05mAlaska Airlines

Deal found 4/30

$386

Thu 6/267:35 amBNA - IDA

1 stop7h 49mDelta

Tue 7/16:00 amIDA - BNA

1 stop6h 59mDelta

Deal found 4/30

$387

Tue 9/237:35 amBNA - IDA

2 stops8h 36mUnited Airlines

Tue 9/307:00 amIDA - BNA

2 stops7h 55mUnited Airlines

Deal found 4/30

$397

Fri 8/1510:05 amBNA - IDA

2 stops12h 14mAmerican Airlines

Sun 8/2412:46 pmIDA - BNA

2 stops9h 51mAmerican Airlines

Deal found 4/30

$462

Best flights from Nashville to Idaho Falls
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 May 1, 2025.

Tue 9/239:00 amBNA - IDA

1 stop14h 39mAlaska Airlines

Tue 9/304:03 pmIDA - BNA

1 stop7h 05mAlaska Airlines

Deal found 4/30

$386

Thu 6/267:35 amBNA - IDA

1 stop7h 49mDelta

Tue 7/16:00 amIDA - BNA

1 stop6h 59mDelta

Deal found 4/30

$387

Tue 9/237:35 amBNA - IDA

2 stops8h 36mUnited Airlines

Tue 9/307:00 amIDA - BNA

2 stops7h 55mUnited Airlines

Deal found 4/30

$397

Fri 8/1510:05 amBNA - IDA

2 stops12h 14mAmerican Airlines

Sun 8/2412:46 pmIDA - BNA

2 stops9h 51mAmerican Airlines

Deal found 4/30

$462

Last-minute flights from Nashville to Idaho Falls
Discover last-minute flight deals from Nashville to Idaho Falls. Data last updated May 1, 2025 and is based on user searches.

Thu 5/157:00 amBNA - IDA

1 stop7h 29mUnited Airlines

Mon 5/192:40 pmIDA - BNA

1 stop5h 53mUnited Airlines

Deal found 4/30

$461

Thu 5/1511:04 amBNA - IDA

2 stops8h 06mDelta

Mon 5/196:50 pmIDA - BNA

2 stops12h 31mDelta

Deal found 4/30

$471

One-way flights from Nashville to Idaho Falls
Search for one-way flight options from Nashville to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

Sat 9/67:15 amBNA - IDA

1 stop5h 57mAmerican Airlines

Deal found 5/1

$194

Sat 9/62:27 pmBNA - IDA

2 stops8h 48mDelta

Deal found 5/1

$199

Mon 7/145:29 pmBNA - IDA

1 stop6h 22mUnited Airlines

Deal found 4/30

$234

Mon 7/146:20 pmBNA - IDA

3 stops22h 03mMultiple Airlines

Deal found 4/30

$642

Cheapflights Fare Finder

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

Price

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 9/23

9:00 am-10:39 pm

1 stop14h 39m

Idaho Falls Fanning Field

Tue 9/30

4:03 pm-12:08 am

1 stop7h 05m

$386

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Thu 6/26

7:35 am-2:24 pm

1 stop7h 49m

Idaho Falls Fanning Field

Tue 7/1

6:00 am-1:59 pm

1 stop6h 59m

$387

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Tue 9/23

7:35 am-3:11 pm

2 stops8h 36m

Idaho Falls Fanning Field

Tue 9/30

7:00 am-3:55 pm

2 stops7h 55m

$397

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Fri 8/15

10:05 am-9:19 pm

2 stops12h 14m

Idaho Falls Fanning Field

Sun 8/24

12:46 pm-11:37 pm

2 stops9h 51m

$462

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sat 9/6

7:15 am-12:12 pm

1 stop5h 57m

$194

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Sat 9/6

2:27 pm-10:15 pm

2 stops8h 48m

$199

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Mon 7/14

5:29 pm-10:51 pm

1 stop6h 22m

$234

NashvilleIdaho Falls

BNA - IDA

BNAIDA

Nashville Intl

Mon 7/14

6:20 pm-3:23 pm

3 stops22h 03m

$642

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Compare providers for flights from Nashville to Idaho Falls

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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 eDreams the most. eDreams 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.

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.

Cheapflights Insights

Everything you need to know about your flight from Nashville to Idaho Falls

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

Currently, October is the cheapest month in which you can book a flight from Nashville to Idaho Falls (average of $380). Flying from Nashville 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.

Rainfall in Idaho Falls 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

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

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

9,968 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,934 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,696 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,968 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Nashville to Idaho Falls round-trip?
Our cheapest airline available from Nashville to Idaho Falls is Alaska Airlines. Our recent data shows that you can find tickets from as low as $386 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $387 and $397 round-trip. Alaska Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Nashville to Idaho Falls one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $194. Users have also found prices from $199 and $234 on Delta and United Airlines, respectively.
Can I find deals for flights from Nashville to Idaho Falls that include hotel bookings?
Yes. In addition to deals on Nashville to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Nashville to Idaho Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Nashville to Idaho Falls.
Can I find deals for business class flights from Nashville to Idaho Falls?
Yes. Cheapflights offers flight deals from Nashville 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 Nashville to Idaho Falls?
Currently, October is the cheapest month in which you can book a flight from Nashville to Idaho Falls (average of $380). Flying from Nashville 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.

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Top 3 airlines flying from Nashville to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$320	Average$674	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$423	Average$758	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$426	Average$884	FlexibilityNo cancel fee	On-time69%

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$194+ Cheap flights from Nashville to Idaho Falls (BNA - 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Nashville to Idaho Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Nashville to Idaho Falls

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Nashville to Idaho Falls

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 May 1, 2025.

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 May 1, 2025.

Cheapflights Fare Finder

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

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 May.

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.

Cheapflights Insights

Everything you need to know about your flight from Nashville to Idaho Falls

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

Rainfall in Idaho Falls by month

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

Temperature in Idaho Falls by month

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

Reviews of airlines servicing Idaho Falls

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.

What are the cheapest airlines flying from Nashville to Idaho Falls round-trip?

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

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

How can I find direct flights from Nashville to Idaho Falls?

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

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

Traveling to a place near Nashville?

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Alternative routes for Nashville to Idaho Falls

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Top 3 airlines flying from Nashville to Idaho Falls

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Cheapest flights from Nashville to Idaho Falls
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 May 1, 2025.