HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$202+ Cheap flights from Idaho Falls to Austin (IDA - AUS)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — AUS
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Austin 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

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 Idaho Falls to Austin

Cheapest flights from Idaho Falls to Austin
Explore the most affordable flight options available from Idaho Falls to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Fri 8/710:54 pm
IDA
-
AUS
1 stop15h 15m
Multiple Airlines
Sat 8/157:43 pm
AUS
-
IDA
2 stops14h 15m
Multiple Airlines
Deal found 6/29$363
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Tue 8/181:43 pm
IDA
-
AUS
1 stop9h 48m
Alaska Airlines
Tue 8/255:52 pm
AUS
-
IDA
1 stop20h 32m
Alaska Airlines
Deal found 7/1$403
This Delta deal was found by Cheapflights users on 7/1. 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.
Tue 8/1811:35 am
IDA
-
AUS
2 stops10h 57m
Delta
Tue 8/256:11 pm
AUS
-
IDA
1 stop5h 21m
Delta
Deal found 7/1$408
This Delta deal was found by Cheapflights users on 6/27. 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 7/3011:25 am
IDA
-
AUS
1 stop5h 32m
Delta
Sat 8/16:04 pm
AUS
-
IDA
1 stop5h 28m
Delta
Deal found 6/27$412
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/285:54 pm
IDA
-
AUS
1 stop4h 50m
United Airlines
Tue 9/811:04 am
AUS
-
IDA
1 stop5h 19m
United Airlines
Deal found 6/28$423
This United Airlines deal was found by Cheapflights users on 6/30. 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 7/294:14 pm
IDA
-
AUS
1 stop6h 30m
United Airlines
Fri 7/315:39 am
AUS
-
IDA
1 stop5h 11m
United Airlines
Deal found 6/30$425
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 7/284:14 pm
IDA
-
AUS
1 stop6h 35m
Alaska Airlines
Tue 9/84:24 pm
AUS
-
IDA
1 stop7h 32m
Alaska Airlines
Deal found 6/30$437
This United Airlines deal was found by Cheapflights users on 6/28. 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 7/315:54 pm
IDA
-
AUS
1 stop4h 50m
United Airlines
Sun 8/25:39 am
AUS
-
IDA
1 stop5h 11m
United Airlines
Deal found 6/28$442
This Delta deal was found by Cheapflights users on 6/28. 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 7/166:00 am
IDA
-
AUS
1 stop4h 25m
Delta
Mon 7/208:15 am
AUS
-
IDA
1 stop7h 21m
Delta
Deal found 6/28$446
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:53 pm
IDA
-
AUS
1 stop8h 21m
Alaska Airlines
Sun 11/227:15 am
AUS
-
IDA
1 stop9h 14m
Alaska Airlines
Deal found 7/2$450

Find flight deals from Idaho Falls to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Austin (AUS). 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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Kiwi.com)

One-way from

$202
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$646
Provider with most accurate pricing for Idaho Falls Fanning Field-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Austin Bergstrom flights.
Search Deals
From Idaho Falls Fanning Field to Austin Bergstrom
Search Deals
One-way flight from Idaho Falls Fanning Field to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($253 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Austin 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 July 2, 2026.
Use the filters below to find and compare flights from Idaho Falls to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 9/2

3:57 pm-11:59 pm

1 stop7h 02m

Austin Bergstrom

Sat 9/5

4:14 pm-10:56 pm

1 stop7h 42m

$403

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Tue 8/18

6:00 am-11:25 am

1 stop4h 25m

Austin Bergstrom

Tue 8/25

8:00 am-2:35 pm

1 stop7h 35m

$403

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Thu 7/30

11:25 am-5:57 pm

1 stop5h 32m

Austin Bergstrom

Sat 8/1

6:04 pm-10:32 pm

1 stop5h 28m

$412

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 7/29

4:14 pm-11:44 pm

1 stop6h 30m

Austin Bergstrom

Fri 7/31

5:39 am-9:50 am

1 stop5h 11m

$425
Quickest round-trip

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Fri 7/31

5:54 pm-11:44 pm

1 stop4h 50m

Austin Bergstrom

Sun 8/2

5:39 am-9:50 am

1 stop5h 11m

$442
Cheapest one-way

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Sat 10/3

4:05 pm-11:59 pm

1 stop6h 54m

$202

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 7/13

10:47 pm-9:32 am

2 stops33h 45m

$225

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Tue 7/7

5:54 pm-11:44 pm

1 stop4h 50m

$240

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Sun 11/22

7:15 am-6:56 pm

2 stops10h 41m

$265

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 7/13

4:14 pm-11:44 pm

1 stop6h 30m

$285

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Idaho Falls to Austin

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 Idaho Falls to Austin in July.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 Idaho Falls-Austin flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Austin flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Austin 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 Idaho Falls-Austin 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 Idaho Falls to Austin

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

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

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Austin (average of $316). Flying from Idaho Falls to Austin in November is currently the most expensive (average of $997). 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.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated July 2, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Idaho Falls to Austin. 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.
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,452 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,926 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Boarding

8.1

Overall

7.8

Entertainment

7.8

Food

7.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

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

  • How long is the flight from Idaho Falls to Austin?

    Airlines like Alaska Airlines and Delta fly from Idaho Falls to Austin in about 4h 25m. The time it takes to get you to your destination can typically vary by up to 2h 37m. The distance from Idaho Falls to Austin is about 1212 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Delta, at $299, was found to be the cheapest airline from Idaho Falls to Austin. An alternate airline flying to your destination would be United Airlines. Users have found that Delta is 44% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Austin (average of $316). Flying from Idaho Falls to Austin in November is currently the most expensive (average of $997). 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 Austin?

Book flights to Austin if you plan to visit one of these locations
Round Rock
Cedar Park
San Marcos
Bastrop
Fredericksburg
Pflugerville
Dripping Springs
Georgetown
Seguin
Canyon Lake

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.

Top 2 airlines flying from Idaho Falls to Austin

Discover the top 2 airlines that operate flights from Idaho Falls to Austin. 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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$299Average$425FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$407FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.