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Cheap flights from Idaho Falls to Austin from $339

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Austin departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho Falls to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:51 am - 7:17 pm
IDA
-
AUS
7h 26m1 stop
United Airlines Logo
8:50 am - 3:31 pm
AUS
-
IDA
7h 41m1 stop
$339United Airlines
Tue, Jan 13 - Tue, Jan 20
United Airlines Logo
10:51 am - 4:52 pm
IDA
-
AUS
5h 01m1 stop
United Airlines Logo
7:05 am - 3:31 pm
AUS
-
IDA
9h 26m2 stops
$344United Airlines
Tue, Jan 13 - Tue, Jan 20
United Airlines Logo
2:40 pm - 10:59 pm
IDA
-
AUS
7h 19m2 stops
United Airlines Logo
7:05 am - 3:31 pm
AUS
-
IDA
9h 26m2 stops
$349United Airlines
Tue, Jan 13 - Tue, Jan 20
Alaska Airlines Logo
6:58 pm - 7:19 pm
IDA
-
AUS
23h 21m2 stops
Alaska Airlines Logo
6:00 am - 10:59 pm
AUS
-
IDA
17h 59m2 stops
$394Alaska Airlines
Mon, Jan 12 - Wed, Jan 14
Alaska Airlines Logo
4:20 pm - 6:05 am
IDA
-
AUS
12h 45m1 stop
Alaska Airlines Logo
5:35 pm - 2:27 pm
AUS
-
IDA
21h 52m1 stop
$401Alaska Airlines
Mon, May 18 - Sun, May 24
Alaska Airlines Logo
6:58 pm - 4:39 pm
IDA
-
AUS
20h 41m2 stops
Alaska Airlines Logo
6:00 am - 10:59 pm
AUS
-
IDA
17h 59m2 stops
$404Alaska Airlines
Mon, Jan 26 - Thu, Jan 29
Alaska Airlines Logo
6:58 pm - 3:54 pm
IDA
-
AUS
19h 56m1 stop
Alaska Airlines Logo
6:00 am - 6:18 pm
AUS
-
IDA
13h 18m2 stops
$409Alaska Airlines
Mon, Jan 12 - Wed, Jan 14
Alaska Airlines Logo
6:58 pm - 3:54 pm
IDA
-
AUS
19h 56m1 stop
Alaska Airlines Logo
6:00 am - 10:59 pm
AUS
-
IDA
17h 59m2 stops
$419Alaska Airlines
Mon, Jan 26 - Thu, Jan 29
Alaska Airlines Logo
6:58 pm - 5:59 pm
IDA
-
AUS
22h 01m1 stop
Alaska Airlines Logo
7:15 am - 10:59 pm
AUS
-
IDA
16h 44m1 stop
$432Alaska Airlines
Mon, Jan 12 - Wed, Jan 14
Alaska Airlines Logo
6:58 pm - 3:54 pm
IDA
-
AUS
19h 56m1 stop
Alaska Airlines Logo
7:15 am - 10:59 pm
AUS
-
IDA
16h 44m1 stop
$452Alaska Airlines
Mon, Jan 26 - Thu, Jan 29

Alaska Airlines flights from Idaho Falls to Austin

Our best Alaska Airlines deals on Idaho Falls to Austin flight tickets
Alaska Airlines
Jan 12
IDA6:58 pmIdaho Falls Fanning Field
23h 21m
2 stops
AUS7:19 pmAustin Bergstrom
Jan 14
AUS6:00 amAustin Bergstrom
17h 59m
2 stops
IDA10:59 pmIdaho Falls Fanning Field
$394
Find similar
Alaska Airlines
May 18
IDA4:20 pmIdaho Falls Fanning Field
12h 45m
1 stop
AUS6:05 amAustin Bergstrom
May 24
AUS5:35 pmAustin Bergstrom
21h 52m
1 stop
IDA2:27 pmIdaho Falls Fanning Field
$401
Find similar
Alaska Airlines
Jan 26
IDA6:58 pmIdaho Falls Fanning Field
20h 41m
2 stops
AUS4:39 pmAustin Bergstrom
Jan 29
AUS6:00 amAustin Bergstrom
17h 59m
2 stops
IDA10:59 pmIdaho Falls Fanning Field
$404
Find similar

United Airlines flights from Idaho Falls to Austin

Our best United Airlines deals on Idaho Falls to Austin flight tickets
United Airlines
Jan 13
IDA10:51 amIdaho Falls Fanning Field
7h 26m
1 stop
AUS7:17 pmAustin Bergstrom
Jan 20
AUS8:50 amAustin Bergstrom
7h 41m
1 stop
IDA3:31 pmIdaho Falls Fanning Field
$339
Find similar
United Airlines
Jan 13
IDA10:51 amIdaho Falls Fanning Field
5h 01m
1 stop
AUS4:52 pmAustin Bergstrom
Jan 20
AUS7:05 amAustin Bergstrom
9h 26m
2 stops
IDA3:31 pmIdaho Falls Fanning Field
$344
Find similar
United Airlines
Jan 13
IDA2:40 pmIdaho Falls Fanning Field
7h 19m
2 stops
AUS10:59 pmAustin Bergstrom
Jan 20
AUS7:05 amAustin Bergstrom
9h 26m
2 stops
IDA3:31 pmIdaho Falls Fanning Field
$349
Find similar

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 December 15, 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

Tue 1/13

10:51 am-7:17 pm

1 stop7h 26m

Austin Bergstrom

Tue 1/20

8:50 am-3:31 pm

1 stop7h 41m

$339

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Tue 1/13

10:51 am-4:52 pm

1 stop5h 01m

Austin Bergstrom

Tue 1/20

7:05 am-3:31 pm

2 stops9h 26m

$344

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Tue 1/13

2:40 pm-10:59 pm

2 stops7h 19m

Austin Bergstrom

Tue 1/20

7:05 am-3:31 pm

2 stops9h 26m

$349

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-7:19 pm

2 stops23h 21m

Austin Bergstrom

Wed 1/14

6:00 am-10:59 pm

2 stops17h 59m

$394

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 5/18

4:20 pm-6:05 am

1 stop12h 45m

Austin Bergstrom

Sun 5/24

5:35 pm-2:27 pm

1 stop21h 52m

$401

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-4:39 pm

2 stops20h 41m

Austin Bergstrom

Thu 1/29

6:00 am-10:59 pm

2 stops17h 59m

$404

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-3:54 pm

1 stop19h 56m

Austin Bergstrom

Wed 1/14

6:00 am-6:18 pm

2 stops13h 18m

$409

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-3:54 pm

1 stop19h 56m

Austin Bergstrom

Thu 1/29

6:00 am-10:59 pm

2 stops17h 59m

$419

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-5:59 pm

1 stop22h 01m

Austin Bergstrom

Wed 1/14

7:15 am-10:59 pm

1 stop16h 44m

$432

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-3:54 pm

1 stop19h 56m

Austin Bergstrom

Thu 1/29

7:15 am-10:59 pm

1 stop16h 44m

$452

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 typical price of a round-trip flight between Idaho Falls and Austin?

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 $366, 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

Fastest flight time

4h 59m

Direct flights

None
The fastest flight from Idaho Falls to Austin takes 4h 59m
There are no direct flights from Idaho Falls to Austin. There are no popular flight routes from Idaho Falls to Austin.
Search flight deals

  • 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 59m, 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
DeltaPriceFrom $296Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,092 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
Wimberley
San Marcos
Round Rock
Georgetown
Canyon Lake
Marble Falls
Horseshoe Bay
Dripping Springs
Cedar Park
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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