$359+ Cheap flights from Idaho Falls to Austin (IDA - AUS)
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — AUS
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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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
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Best
Last-minute
Cheapest flights from Idaho Falls to AustinExplore 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 October 13, 2026.
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 October 13, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 12/53:44 pm -
1 stop7h 15m
Wed 12/97:15 am -
1 stop7h 02m
Deal found 10/8![Alaska Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 10/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:35 pm -
1 stop5h 39m
Sat 12/1212:57 pm -
2 stops11h 05m
Deal found 10/11![American Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
Sun 12/63:44 pm -
1 stop7h 15m
Sat 12/127:15 am -
1 stop7h 02m
Deal found 10/8![Alaska Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/194:20 pm -
1 stop6h 24m
Thu 12/3110:45 am -
1 stop5h 53m
Deal found 10/12![United Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/68:24 pm -
1 stop14h 58m
Sun 11/83:35 pm -
2 stops22h 18m
Deal found 10/8![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/138:24 pm -
1 stop14h 58m
Fri 11/205:44 pm -
2 stops18h 17m
Deal found 10/8![Multiple Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 10/8. 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.
Fri 10/231:05 pm -
2 stops9h 52m
Tue 10/276:06 pm -
1 stop5h 04m
Deal found 10/8![Delta logo]()
$434
Best flights from Idaho Falls to AustinDiscover carefully curated flight deals from Idaho Falls to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Idaho Falls to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This United Airlines deal was found by Cheapflights users on 10/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/194:20 pm -
1 stop6h 24m
Thu 12/3110:45 am -
1 stop5h 53m
Deal found 10/12![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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 12/53:44 pm -
1 stop7h 15m
Wed 12/98:07 pm -
2 stops18h 10m
Deal found 10/8![Alaska Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 10/8. 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.
Fri 10/231:05 pm -
2 stops9h 52m
Tue 10/276:06 pm -
1 stop5h 04m
Deal found 10/8![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/9. 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 12/56:35 am -
1 stop5h 33m
Wed 12/95:15 am -
2 stops9h 22m
Deal found 10/9![United Airlines logo]()
$474
Last-minute flights from Idaho Falls to AustinDiscover last-minute flight deals from Idaho Falls to Austin. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Austin. Data last updated October 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/10. 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.
Sat 10/102:28 pm -
1 stop5h 20m
Mon 10/1212:50 pm -
1 stop5h 26m
Deal found 10/10![United Airlines logo]()
$534
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/162:28 pm -
1 stop5h 20m
Tue 10/209:02 am -
1 stop7h 19m
Deal found 10/8![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/8. 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.
Fri 10/231:05 pm -
2 stops9h 52m
Tue 10/276:06 pm -
1 stop5h 04m
Deal found 10/8![Delta logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 10/301:58 pm -
1 stop8h 16m
Sun 11/17:15 am -
1 stop7h 01m
Deal found 10/8![Alaska Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
Fri 10/301:58 pm -
1 stop8h 16m
Mon 11/27:59 pm -
2 stops27h 55m
Deal found 10/9![Alaska Airlines logo]()
$517
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/68:24 pm -
1 stop14h 58m
Sun 11/83:35 pm -
2 stops22h 18m
Deal found 10/8![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 11/138:24 pm -
1 stop14h 58m
Fri 11/205:44 pm -
2 stops18h 17m
Deal found 10/8![Multiple Airlines logo]()
$430
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 October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Alaska Airlines) |
Popular in | October |
Cheapest in | August |
Average price | $695 |
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 7,457,451 searches. Data last updated October 13, 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
Cheapest round-trip
Quickest round-trip
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Sat 12/19
4:20 pm-11:44 pm
1 stop6h 24m
Austin Bergstrom
Thu 12/31
10:45 am-3:38 pm
1 stop5h 53m
$422
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Sat 12/5
3:44 pm-11:59 pm
1 stop7h 15m
Austin Bergstrom
Wed 12/9
8:07 pm-1:17 pm
2 stops18h 10m
$428
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Fri 10/23
1:05 pm-11:57 pm
2 stops9h 52m
Austin Bergstrom
Tue 10/27
6:06 pm-10:10 pm
1 stop5h 04m
$434
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Sat 12/5
6:35 am-1:08 pm
1 stop5h 33m
Austin Bergstrom
Wed 12/9
5:15 am-1:37 pm
2 stops9h 22m
$474
Sorted by cheapest first
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 October.
| 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 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.
IDA-AUS
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 October is currently the most expensive (average of $695). 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.
How much does it cost to fly round-trip from Idaho Falls to Austin?
Airfare is below average for this route at the moment.
Idaho Falls to Austin flights typically cost between $498 and $791 in December.The cheapest round-trip price found within the last 5 days was $359 on Alaska Airlines (Dec 5-Dec 9).
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 October 13, 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.
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Crew
8.5
Entertainment
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Overall
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
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.
Traveling to a place near Austin?
Book flights to Austin if you plan to visit one of these locationsCedar Park
Round Rock
San Marcos
Bastrop
Fredericksburg
Pflugerville
Georgetown
Dripping Springs
Seguin
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Idaho Falls and Austin flights
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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 7,457,451 searches. Data last updated October 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$269 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$498 | FlexibilityNo cancel fee | On-time69% |