$176+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — AUS
Nov 2 — Nov 91
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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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 3, 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 3, 2026.
This Trip.com deal was found by Cheapflights users on 9/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:58 pm -
1 stop8h 16m
Tue 11/33:34 pm -
1 stop8h 20m
Deal found 9/28![Alaska Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:37 am -
1 stop8h 02m
Tue 11/34:20 pm -
1 stop6h 23m
Deal found 9/28![American Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/68:24 pm -
1 stop14h 58m
Sun 11/83:43 pm -
2 stops22h 10m
Deal found 9/29![Multiple Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/32:35 pm -
1 stop5h 23m
Tue 11/1010:45 am -
1 stop5h 53m
Deal found 9/28![United Airlines logo]()
$379
This Priceline deal was found by Cheapflights users on 10/2. 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.
Fri 10/301:58 pm -
1 stop8h 16m
Fri 11/68:30 am -
1 stop7h 48m
Deal found 10/2![Alaska Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 9/28. 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.
Tue 10/271:05 pm -
2 stops9h 52m
Tue 11/32:00 pm -
2 stops9h 10m
Deal found 9/28![Delta logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 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 9/29![Alaska Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop7h 40m
Wed 12/98:30 am -
1 stop7h 37m
Deal found 9/29![Alaska Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/282:35 pm -
2 stops7h 40m
Wed 11/412:05 pm -
2 stops10h 04m
Deal found 9/30![United Airlines 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 3, 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 3, 2026.
This Trip.com deal was found by Cheapflights users on 9/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:58 pm -
1 stop8h 16m
Tue 11/33:34 pm -
1 stop8h 20m
Deal found 9/28![Alaska Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Wed 1/62:35 pm -
1 stop5h 39m
Sat 1/97:07 am -
2 stops9h 25m
Deal found 9/28![United Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 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 9/29![Alaska Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/135:51 pm -
1 stop5h 08m
Sat 10/175:30 am -
1 stop5h 23m
Deal found 9/28![United Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/1. 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.
Sat 12/56:00 am -
1 stop7h 40m
Wed 12/98:30 am -
1 stop7h 37m
Deal found 10/1![Alaska Airlines logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:55 pm -
1 stop7h 04m
Mon 11/97:07 pm -
1 stop21h 11m
Deal found 9/29![Alaska Airlines logo]()
$441
Last-minute flights from Idaho Falls to AustinDiscover last-minute flight deals from Idaho Falls to Austin. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Austin. Data last updated October 3, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:58 pm -
1 stop8h 16m
Tue 11/33:34 pm -
1 stop8h 20m
Deal found 9/28![Alaska Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:37 am -
1 stop8h 02m
Tue 11/34:20 pm -
1 stop6h 23m
Deal found 9/28![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/28. 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.
Tue 10/271:05 pm -
2 stops9h 52m
Tue 11/32:00 pm -
2 stops9h 10m
Deal found 9/28![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/282:35 pm -
2 stops7h 40m
Wed 11/412:05 pm -
2 stops10h 04m
Deal found 9/30![United Airlines logo]()
$434
This Priceline deal was found by Cheapflights users on 10/2. 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.
Fri 10/301:58 pm -
1 stop8h 16m
Fri 11/68:30 am -
1 stop7h 48m
Deal found 10/2![Alaska Airlines logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 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 9/29![Alaska Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/28. 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 11/32:35 pm -
1 stop5h 23m
Tue 11/1010:45 am -
1 stop5h 53m
Deal found 9/28![United Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 11/68:24 pm -
1 stop14h 58m
Sun 11/83:43 pm -
2 stops22h 10m
Deal found 9/29![Multiple Airlines logo]()
$378
One-way flights from Idaho Falls to AustinSearch for one-way flight options from Idaho Falls to Austin. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
Search for one-way flight options from Idaho Falls to Austin. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:33 pm -
1 stop13h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$176
This Priceline deal was found by Cheapflights users on 9/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:57 pm -
1 stop7h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Alaska Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 10/238:28 pm -
1 stop14h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$216
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:51 pm -
1 stop5h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![United Airlines logo]()
$255
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/124:05 pm -
1 stop6h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$260
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $347 (Trip.com) |
One-way from | $176 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $790 |
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 3, 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
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Mon 10/12
9:33 pm-12:17 pm
1 stop13h 44m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Tue 10/13
3:57 pm-11:59 pm
1 stop7h 02m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$215
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Fri 10/23
8:28 pm-7:26 pm
2 stops21h 58m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$244
Quickest round-trip
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Wed 10/14
4:05 pm-11:59 pm
1 stop6h 54m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$255
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Mon 10/12
4:05 pm-11:59 pm
1 stop6h 54m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$260
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Tue 10/27
1:58 pm-11:14 pm
1 stop8h 16m
Austin Bergstrom
Tue 11/3
3:34 pm-10:54 pm
1 stop8h 20m
$347
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Wed 1/6
2:35 pm-9:14 pm
1 stop5h 39m
Austin Bergstrom
Sat 1/9
7:07 am-3:32 pm
2 stops9h 25m
$364
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Wed 10/14
6:09 am-9:42 pm
2 stops14h 33m
Austin Bergstrom
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$370
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Fri 10/30
1:58 pm-11:14 pm
1 stop8h 16m
Austin Bergstrom
Mon 11/2
7:59 pm-10:54 pm
2 stops27h 55m
$428
Idaho FallsAustin
IDA Idaho Falls Fanning Field - AUS Austin Bergstrom
IDAAUS
Idaho Falls Fanning Field
Sat 12/5
6:00 am-2:40 pm
1 stop7h 40m
Austin Bergstrom
Wed 12/9
8:30 am-3:07 pm
1 stop7h 37m
$429
Showing 1-10 of 15 resultsSorted 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 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.
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 $450 and $791 in October.The cheapest round-trip price found within the last 5 days was $347 on Alaska Airlines (Oct 27-Nov 3).
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 3, 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
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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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Complete your trip to Austin by adding a car rental and/or hotel reservation to your travel itinerary.
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Idaho Falls and Austin flights
Browse other Idaho Falls and Austin flight options. Last updated on October 3, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on October 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$299 | Average$453 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$498 | FlexibilityNo cancel fee | On-time69% |