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Idaho Falls

$206+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IDA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheap flight deals from Austin to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) 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 junio 12, 2025.

Round-trip from

$310
(Mytrip)

One-way from

$206
(Delta)

Popular in

November

Cheapest in

May

Average price

$517
From Austin Bergstrom to Idaho Falls Fanning Field
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One-way flight from Austin Bergstrom to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 12% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 junio 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/2911:48 amAUS - IDA
3 stops31h 54mMultiple Airlines
mié. 7/24:58 pmIDA - AUS
1 stop17h 02mMultiple Airlines
Deal found 6/11$310
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/2911:48 amAUS - IDA
1 stop24h 57mAllegiant Air
mié. 7/24:58 pmIDA - AUS
1 stop17h 02mAllegiant Air
Deal found 6/11$338
This Delta deal was found by Cheapflights users on 6/10. 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.
lun. 8/115:20 amAUS - IDA
1 stop6h 19mDelta
sáb. 8/166:00 amIDA - AUS
1 stop6h 04mDelta
Deal found 6/10$346
This United Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 7/176:00 pmAUS - IDA
1 stop5h 51mUnited Airlines
mié. 7/234:13 pmIDA - AUS
1 stop6h 46mUnited Airlines
Deal found 6/10$431
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 7/57:37 amAUS - IDA
2 stops16h 02mAlaska Airlines
vie. 7/114:03 pmIDA - AUS
1 stop7h 02mAlaska Airlines
Deal found 6/11$483
This American Airlines deal was found by Cheapflights users on 6/12. 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.
sáb. 6/214:49 pmAUS - IDA
1 stop5h 46mAmerican Airlines
mar. 6/241:51 pmIDA - AUS
1 stop6h 09mAmerican Airlines
Deal found 6/12$586

Cheapflights Fare Finder

Customize your flight search to find flights from Austin 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 junio 12, 2025.
Use the filters below to find and compare flights from Austin to Idaho Falls that are best for you.

Fly from

Austin

Fly to

Idaho Falls

Route

Depart

Return

Price

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

dom. 6/29

11:48 am-6:42 pm

3 stops31h 54m

Idaho Falls Fanning Field

mié. 7/2

4:58 pm-11:00 am

1 stop17h 02m

$310

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

dom. 6/29

11:48 am-11:45 am

1 stop24h 57m

Idaho Falls Fanning Field

mié. 7/2

4:58 pm-11:00 am

1 stop17h 02m

$338

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

lun. 8/11

5:20 am-10:39 am

1 stop6h 19m

Idaho Falls Fanning Field

sáb. 8/16

6:00 am-1:04 pm

1 stop6h 04m

$346

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

jue. 7/17

6:00 pm-10:51 pm

1 stop5h 51m

Idaho Falls Fanning Field

vie. 7/18

6:03 pm-11:59 pm

1 stop4h 56m

$431

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

sáb. 7/5

7:37 am-10:39 pm

2 stops16h 02m

Idaho Falls Fanning Field

vie. 7/11

4:03 pm-12:05 am

1 stop7h 02m

$483

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

sáb. 6/21

4:49 pm-9:35 pm

1 stop5h 46m

Idaho Falls Fanning Field

mar. 6/24

1:51 pm-9:00 pm

1 stop6h 09m

$586

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 7/23

7:20 am-2:24 pm

2 stops8h 04m

$206

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 7/23

6:00 pm-10:51 pm

1 stop5h 51m

$216

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mié. 7/23

2:32 pm-9:35 pm

1 stop8h 03m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 December is currently the most expensive (average of $578). 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

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 junio 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Austin to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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
10,000 reviews

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

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

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?

    Currently priced at $338, Allegiant Air will fly you from Austin to Idaho Falls and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $346 and $431, respectively. Allegiant Air is currently priced 40% 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 Delta. According to our data, you can fly for as low as $206. Users have also found prices from $216 and $259 on United Airlines and American 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 December is currently the most expensive (average of $578). 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

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Alternative routes for Austin to Idaho Falls

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Top 3 airlines flying from Austin to Idaho Falls

Discover the top 3 airlines that operate flights from Austin 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$441FlexibilityNo cancel feeOn-time71%
DeltaCheapest$324Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$400Average$575FlexibilityNo cancel feeOn-time69%

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