Cheap flights from Idaho Falls to Austin from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Austin departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho Falls to Austin (IDA-AUS)

Cheap round-trip flights

Delta Logo
6:57 pm - 12:41 amIDA-AUS
4h 44m1 stop
Delta Logo
8:10 am - 12:39 pmAUS-IDA
5h 29m1 stop
$325Delta
Find Deal
Wed, Nov 12 - Thu, Nov 27
Delta Logo
6:57 pm - 12:41 amIDA-AUS
4h 44m1 stop
Delta Logo
7:20 am - 4:32 pmAUS-IDA
10h 12m2 stops
$330Delta
Find Deal
Wed, Nov 12 - Thu, Nov 27
Delta Logo
6:57 pm - 9:54 amIDA-AUS
13h 57m2 stops
Delta Logo
7:20 am - 4:32 pmAUS-IDA
10h 12m2 stops
$335Delta
Find Deal
Tue, Nov 18 - Thu, Nov 27
Delta Logo
6:57 pm - 12:41 amIDA-AUS
4h 44m1 stop
Delta Logo
8:10 am - 12:39 pmAUS-IDA
5h 29m1 stop
$351Delta
Find Deal
Thu, Nov 13 - Thu, Nov 27
Alaska Airlines Logo
3:50 pm - 12:14 amIDA-AUS
7h 24m1 stop
Alaska Airlines Logo
7:15 am - 4:27 pmAUS-IDA
10h 12m1 stop
$357Alaska Airlines
Find Deal
Thu, Nov 20 - Wed, Dec 3
Alaska Airlines Logo
3:50 pm - 12:14 amIDA-AUS
7h 24m1 stop
Alaska Airlines Logo
7:25 pm - 12:02 amAUS-IDA
29h 37m1 stop
$362Alaska Airlines
Find Deal
Wed, Nov 12 - Tue, Dec 2
 Logo
10:56 pm - 3:24 pmIDA-AUS
15h 28m1 stop
 Logo
1:41 pm - 11:29 amAUS-IDA
22h 48m2 stops
Fri, Nov 14 - Tue, Dec 2
United Airlines Logo
10:56 am - 4:58 pmIDA-AUS
5h 02m1 stop
United Airlines Logo
5:30 am - 1:30 pmAUS-IDA
9h 00m2 stops
$441United Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 14
United Airlines Logo
5:00 am - 5:23 pmIDA-AUS
11h 23m2 stops
United Airlines Logo
5:30 am - 1:30 pmAUS-IDA
9h 00m2 stops
$446United Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 14
 Logo
10:56 pm - 3:24 pmIDA-AUS
15h 28m1 stop
 Logo
4:43 pm - 4:05 pmAUS-IDA
48h 22m2 stops
Fri, Nov 14 - Fri, Nov 28

United Airlines flights from Idaho Falls to Austin

Our best United Airlines deals on Idaho Falls to Austin flight tickets
United Airlines
Sep 10
IDA10:56 amIdaho Falls Fanning Field
5h 02m
1 stop
AUS4:58 pmAustin Bergstrom
Sep 14
AUS5:30 amAustin Bergstrom
9h 00m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
United Airlines
Sep 10
IDA5:00 amIdaho Falls Fanning Field
11h 23m
2 stops
AUS5:23 pmAustin Bergstrom
Sep 14
AUS5:30 amAustin Bergstrom
9h 00m
2 stops
IDA1:30 pmIdaho Falls Fanning Field
United Airlines
Nov 15
IDA8:30 amIdaho Falls Fanning Field
10h 23m
2 stops
AUS7:53 pmAustin Bergstrom
Nov 29
AUS9:15 pmAustin Bergstrom
5h 48m
1 stop
IDA2:03 amIdaho Falls Fanning Field

Alaska Airlines flights from Idaho Falls to Austin

Our best Alaska Airlines deals on Idaho Falls to Austin flight tickets
Alaska Airlines
Nov 20
IDA3:50 pmIdaho Falls Fanning Field
7h 24m
1 stop
AUS12:14 amAustin Bergstrom
Dec 3
AUS7:15 amAustin Bergstrom
10h 12m
1 stop
IDA4:27 pmIdaho Falls Fanning Field
Alaska Airlines
Nov 12
IDA3:50 pmIdaho Falls Fanning Field
7h 24m
1 stop
AUS12:14 amAustin Bergstrom
Dec 2
AUS7:25 pmAustin Bergstrom
29h 37m
1 stop
IDA12:02 amIdaho Falls Fanning Field
Alaska Airlines
Nov 24
IDA6:00 amIdaho Falls Fanning Field
23h 40m
1 stop
AUS6:40 amAustin Bergstrom
Dec 3
AUS7:15 amAustin Bergstrom
17h 47m
1 stop
IDA12:02 amIdaho Falls Fanning Field

momondo 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
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

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 11/12

6:57 pm-12:41 am

1 stop4h 44m

Austin Bergstrom

Thu 11/27

8:10 am-12:39 pm

1 stop5h 29m

$325

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 11/12

6:57 pm-12:41 am

1 stop4h 44m

Austin Bergstrom

Thu 11/27

7:20 am-4:32 pm

2 stops10h 12m

$330

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Tue 11/18

6:57 pm-9:54 am

2 stops13h 57m

Austin Bergstrom

Thu 11/27

7:20 am-4:32 pm

2 stops10h 12m

$335

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Thu 11/13

6:57 pm-12:41 am

1 stop4h 44m

Austin Bergstrom

Thu 11/27

8:10 am-12:39 pm

1 stop5h 29m

$351

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Thu 11/20

3:50 pm-12:14 am

1 stop7h 24m

Austin Bergstrom

Wed 12/3

7:15 am-4:27 pm

1 stop10h 12m

$357

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 11/12

3:50 pm-12:14 am

1 stop7h 24m

Austin Bergstrom

Tue 12/2

7:25 pm-12:02 am

1 stop29h 37m

$362

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-3:24 pm

1 stop15h 28m

Austin Bergstrom

Tue 12/2

1:41 pm-11:29 am

2 stops22h 48m

$368

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 9/10

10:56 am-4:58 pm

1 stop5h 02m

Austin Bergstrom

Sun 9/14

5:30 am-1:30 pm

2 stops9h 00m

$441

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 9/10

5:00 am-5:23 pm

2 stops11h 23m

Austin Bergstrom

Sun 9/14

5:30 am-1:30 pm

2 stops9h 00m

$446

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Fri 11/14

10:56 pm-3:24 pm

1 stop15h 28m

Austin Bergstrom

Fri 11/28

4:43 pm-4:05 pm

2 stops48h 22m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Idaho Falls to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Idaho Falls is in February. Flight prices, which tend to average around $302, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in February, then May is your next best option. Flight prices from Idaho Falls to Austin during May average around $403.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Wednesday when prices can be found for as low as $445. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Idaho Falls to Austin for around $788.

What is the cheapest time of day to depart on your flight to Austin?

At noon is the cheapest time of day to fly from Idaho Falls to Austin when you can find flight prices for as low as $553. Flying to Austin at noon is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the afternoon, with an average ticket price of $741. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Idaho Falls to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Austin (IDA to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Austin

Direct flights

None
There are no direct flights from Idaho Falls to Austin. There are no popular flight routes from Idaho Falls to Austin.
  • How far is Idaho Falls Fanning Field to Austin Bergstrom by plane?

    Idaho Falls Fanning Field and Austin Bergstrom are 1201.3 mi apart from one another. Flights usually cover this in 4h 44m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Austin Bergstrom Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Austin Bergstrom Airport were last updated today.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Austin Bergstrom Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Idaho Falls Fanning Field Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Idaho Falls to Austin?

Best airlines flying from Idaho Falls to Austin

Compare and see reviews for airlines that fly from Idaho Falls to Austin with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $295Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,977 reviews
Search Delta flights
United AirlinesPriceFrom $354Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Round Rock
Wimberley
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Horseshoe Bay
Dripping Springs
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Austin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Austin for you.

Can I find flights from Idaho Falls to Austin with flexible booking policies on momondo?

momondo does allow users to show only those flights to Austin from Idaho Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Idaho Falls to Austin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Idaho Falls to Austin.

I’m not ready to book a flight from Idaho Falls to Austin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho Falls to Austin now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Austin and let you know when they change.

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Tue 9/2
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