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

Currently priced at $571, American Airlines will fly you from Austin to Idaho Falls and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $667. American Airlines is currently priced 8% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Austin 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 $169. Users have also found prices from $174 and $230 on Delta and Alaska Airlines, respectively.

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

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

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

Flights from Austin to Idaho Falls are found to be more expensive on Saturday. 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 Austin to Idaho Falls?

The best pricing can be found in the month of August. Prices to Idaho Falls from Austin average $624. You can even find prices in August for less than $624, as users have found deals to Idaho Falls from as low as $308. The month of May appears to be one of the more expensive times to travel to Idaho Falls from Austin. Flying in the targeted month can save you up to 16%.

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

When flying from Austin 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 19% versus a flight at noon.

Most accurate provider : When it comes to deals on Austin-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Idaho Falls flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Austin-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 Austin-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 Austin to Idaho Falls that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from Austin 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.

$169+ Flights from Austin 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”

2. Select your favorite providers

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

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 Austin to Idaho Falls

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$571 (American Airlines)
One-way from	$169 (American Airlines)
Popular in	May
Cheapest in	August
Average price	$570

Provider with most accurate pricing for Austin Bergstrom-Idaho Falls Fanning Field flight deals.

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Provider most trusted by Cheapflights users for Austin Bergstrom-Idaho Falls Fanning Field flights.

Search Deals

From Austin Bergstrom to Idaho Falls Fanning Field

Search Deals

One-way flight from Austin Bergstrom to Idaho Falls Fanning Field

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($31 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Austin to Idaho Falls

Cheapest flights from Austin to Idaho Falls
Explore the most affordable flight options available from Austin to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Mon 5/57:30 amAUS - IDA

1 stop16h 06mAlaska Airlines

Thu 5/84:35 pmIDA - AUS

1 stop24h 53mAlaska Airlines

Deal found 4/14

$442

Tue 4/297:04 pmAUS - IDA

1 stop4h 52mDelta

Sat 5/36:00 amIDA - AUS

1 stop6h 41mDelta

Deal found 4/14

$461

Thu 7/312:33 pmAUS - IDA

1 stop8h 02mAmerican Airlines

Sun 8/36:51 amIDA - AUS

1 stop5h 45mAmerican Airlines

Deal found 4/15

$571

Fri 5/235:15 amAUS - IDA

1 stop5h 29mUnited Airlines

Mon 5/262:25 pmIDA - AUS

2 stops7h 39mUnited Airlines

Deal found 4/14

$708

Best flights from Austin to Idaho Falls
Discover carefully curated flight deals from Austin to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 15, 2025.

Thu 7/312:33 pmAUS - IDA

1 stop8h 02mAmerican Airlines

Sun 8/36:51 amIDA - AUS

1 stop5h 45mAmerican Airlines

Deal found 4/15

$571

Thu 7/311:36 pmAUS - IDA

1 stop10h 03mAlaska Airlines

Sun 8/34:03 pmIDA - AUS

2 stops23h 53mAlaska Airlines

Deal found 4/15

$667

Last-minute flights from Austin to Idaho Falls
Discover last-minute flight deals from Austin to Idaho Falls. Data last updated April 15, 2025 and is based on user searches.

Tue 4/297:04 pmAUS - IDA

1 stop4h 52mDelta

Sat 5/36:00 amIDA - AUS

1 stop6h 41mDelta

Deal found 4/14

$461

Mon 5/57:30 amAUS - IDA

1 stop16h 06mAlaska Airlines

Thu 5/84:35 pmIDA - AUS

1 stop24h 53mAlaska Airlines

Deal found 4/14

$442

Fri 5/235:15 amAUS - IDA

1 stop5h 29mUnited Airlines

Mon 5/262:25 pmIDA - AUS

2 stops7h 39mUnited Airlines

Deal found 4/14

$708

One-way flights from Austin to Idaho Falls
Search for one-way flight options from Austin to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated April 15, 2025.

Tue 6/104:49 pmAUS - IDA

1 stop5h 46mAmerican Airlines

Deal found 4/15

$169

Tue 6/102:05 pmAUS - IDA

2 stops8h 57mDelta

Deal found 4/15

$174

Mon 4/281:27 pmAUS - IDA

1 stop10h 09mAlaska Airlines

Deal found 4/14

$230

Mon 4/287:32 pmAUS - IDA

3 stops20h 49mUnited Airlines

Deal found 4/14

$394

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Mon 5/5

7:30 am-10:36 pm

1 stop16h 06m

Idaho Falls Fanning Field

Thu 5/8

4:35 pm-6:28 pm

1 stop24h 53m

$442

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 4/29

7:04 pm-10:56 pm

1 stop4h 52m

Idaho Falls Fanning Field

Sat 5/3

6:00 am-1:41 pm

1 stop6h 41m

$461

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 5/23

5:15 am-9:44 am

1 stop5h 29m

Idaho Falls Fanning Field

Mon 5/26

2:25 pm-11:04 pm

2 stops7h 39m

$708

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 6/10

4:49 pm-9:35 pm

1 stop5h 46m

$169

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 6/10

2:05 pm-10:02 pm

2 stops8h 57m

$174

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Mon 4/28

1:27 pm-10:36 pm

1 stop10h 09m

$230

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Mon 4/28

7:32 pm-3:21 pm

3 stops20h 49m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Compare providers for flights from Austin to Idaho Falls

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Idaho Falls in April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 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 Austin-Idaho Falls flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Idaho Falls flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Idaho Falls flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Austin-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 Austin-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 Austin to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Austin 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 Austin to Idaho Falls

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

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

9,871 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,871 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,918 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,658 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,871 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

What are the cheapest airlines flying from Austin to Idaho Falls round-trip?
Currently priced at $571, American Airlines will fly you from Austin to Idaho Falls and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $667. American Airlines is currently priced 8% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Austin 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 $169. Users have also found prices from $174 and $230 on Delta and Alaska Airlines, respectively.
Can I find deals for flights from Austin to Idaho Falls that include hotel bookings?
Yes. In addition to deals on Austin to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Austin to Idaho Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Idaho Falls.
Can I find deals for business class flights from Austin to Idaho Falls?
Yes. Cheapflights offers flight deals from Austin 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 Austin to Idaho Falls?
Currently, October is the cheapest month in which you can book a flight from Austin to Idaho Falls (average of $380). Flying from Austin 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

Rexburg

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Austin to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$288	Average$448	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$400	Average$596	FlexibilityNo cancel fee	On-time69%

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$169+ Cheap flights from Austin to Idaho Falls (AUS - 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin 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 Austin 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 Austin to Idaho Falls

Cheapest flights from Austin to Idaho FallsExplore the most affordable flight options available from Austin to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Explore the most affordable flight options available from Austin to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

Cheapflights Fare Finder

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

Compare providers for flights from Austin 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 Austin to Idaho Falls in April.

Best time to book a flight from Austin to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Austin with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from Austin 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 Austin 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 Austin to Idaho Falls round-trip?

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

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

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

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

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

Traveling to a place near Austin?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Austin to Idaho Falls

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Cheapest flights from Austin to Idaho Falls
Explore the most affordable flight options available from Austin to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.