What is the cheapest airline that flies from Idaho Falls Fanning Field to Austin Bergstrom?

Alaska Airlines and United Airlines are the most popular carriers operating from Idaho Falls Fanning Field to Austin Bergstrom

What airlines fly to Austin?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Austin from Idaho Falls according to our data. United Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 4 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

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?

As of July 2025, there are 3 operators available to choose from 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.

$175 Cheap Flights from Idaho Falls to Austin in 2025

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Find the cheapest flights from Idaho Falls to Austin

Round-trip

One-way

Cheap round-trip flights

9:47 am - 3:29 pmIDA-AUS

28h 42m2 stops

12:41 pm - 11:30 amAUS-IDA

23h 49m2 stops

$329

Find Deal

jue., ago. 7 - jue., ago. 14

9:47 am - 3:29 pmIDA-AUS

28h 42m2 stops

7:15 am - 11:30 amAUS-IDA

29h 15m3 stops

$346

Find Deal

jue., ago. 7 - jue., ago. 14

4:13 pm - 11:59 pmIDA-AUS

6h 46m1 stop

12:50 pm - 5:22 pmAUS-IDA

5h 32m1 stop

$351United Airlines

Find Deal

lun., ago. 11 - lun., ago. 18

3:57 pm - 12:04 amIDA-AUS

7h 07m1 stop

1:40 pm - 10:39 pmAUS-IDA

9h 59m1 stop

$354Alaska Airlines

Find Deal

mié., sep. 3 - sáb., sep. 13

6:00 am - 1:04 pmIDA-AUS

6h 04m1 stop

1:59 pm - 10:25 pmAUS-IDA

9h 26m2 stops

$364Delta

Find Deal

mié., sep. 3 - sáb., sep. 13

6:00 am - 3:43 pmIDA-AUS

8h 43m2 stops

1:59 pm - 10:25 pmAUS-IDA

9h 26m2 stops

$369Delta

Find Deal

mié., sep. 3 - sáb., sep. 13

4:00 pm - 5:15 amIDA-AUS

12h 15m1 stop

6:50 pm - 3:23 pmAUS-IDA

21h 33m1 stop

$381Alaska Airlines

Find Deal

sáb., nov. 22 - lun., dic. 8

1:35 pm - 9:01 pmIDA-AUS

6h 26m1 stop

4:54 pm - 9:23 pmAUS-IDA

5h 29m1 stop

$401American Airlines

Find Deal

vie., oct. 3 - dom., oct. 5

6:03 pm - 11:59 pmIDA-AUS

4h 56m1 stop

5:15 am - 9:44 amAUS-IDA

5h 29m1 stop

$411United Airlines

Find Deal

mié., jul. 30 - dom., ago. 3

6:00 am - 3:10 pmIDA-AUS

8h 10m1 stop

1:31 pm - 10:38 pmAUS-IDA

10h 07m1 stop

$415Alaska Airlines

Find Deal

vie., oct. 17 - sáb., oct. 18

Alaska Airlines flights from Idaho Falls to Austin

Our best Alaska Airlines deals on Idaho Falls to Austin flight tickets

Alaska Airlines

Sep 3

IDA3:57 pmIdaho Falls Fanning Field

7h 07m

1 stop

AUS12:04 amAustin Bergstrom

Sep 13

AUS1:40 pmAustin Bergstrom

9h 59m

1 stop

IDA10:39 pmIdaho Falls Fanning Field

$354

Find similar

Alaska Airlines

Nov 22

IDA4:00 pmIdaho Falls Fanning Field

12h 15m

1 stop

AUS5:15 amAustin Bergstrom

Dec 8

AUS6:50 pmAustin Bergstrom

21h 33m

1 stop

IDA3:23 pmIdaho Falls Fanning Field

$381

Find similar

Alaska Airlines

Oct 17

IDA6:00 amIdaho Falls Fanning Field

8h 10m

1 stop

AUS3:10 pmAustin Bergstrom

Oct 18

AUS1:31 pmAustin Bergstrom

10h 07m

1 stop

IDA10:38 pmIdaho Falls Fanning Field

$415

Find similar

United Airlines flights from Idaho Falls to Austin

Our best United Airlines deals on Idaho Falls to Austin flight tickets

United Airlines

Aug 11

IDA4:13 pmIdaho Falls Fanning Field

6h 46m

1 stop

AUS11:59 pmAustin Bergstrom

Aug 18

AUS12:50 pmAustin Bergstrom

5h 32m

1 stop

IDA5:22 pmIdaho Falls Fanning Field

$351

Find similar

United Airlines

Jul 30

IDA6:03 pmIdaho Falls Fanning Field

4h 56m

1 stop

AUS11:59 pmAustin Bergstrom

Aug 3

AUS5:15 amAustin Bergstrom

5h 29m

1 stop

IDA9:44 amIdaho Falls Fanning Field

$411

Find similar

United Airlines

Aug 11

IDA4:13 pmIdaho Falls Fanning Field

6h 46m

1 stop

AUS11:59 pmAustin Bergstrom

Aug 13

AUS6:00 pmAustin Bergstrom

5h 51m

1 stop

IDA10:51 pmIdaho Falls Fanning Field

$431

Find similar

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

Prices

Airlines

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Idaho Falls is in August. Flight prices, which tend to average around $249, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then February is your next best option. Flight prices from Idaho Falls to Austin during February average around $302.

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

Best Price Found	$175
Fastest flight time	4h 56m
Direct flights	None
Airports in Austin	1 airport

The best one-way flight to Austin from Idaho Falls in the past 72 hours is $175. The best round-trip flight deal from Idaho Falls to Austin found on momondo in the last 72 hours is $329.

The fastest flight from Idaho Falls to Austin takes 4h 56m

There are no direct flights from Idaho Falls to Austin. Popular non-direct route for this connection is Idaho Falls Fanning Field Airport - Austin Bergstrom Airport.

There is 1 airport near Austin: Austin Bergstrom (AUS)

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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 56m, 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?
As of July 2025, there are 3 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Idaho Falls to Austin is United Airlines (65% of total bookings). The next most popular airlines are Delta (20%) and Alaska Airlines (15%).

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 Airlines	PriceFrom $295	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 8.0 7,957 reviews	Search Delta flights
United Airlines	PriceFrom $354	Free Cancellation	Rating 7.4 8,863 reviews	Search United Airlines flights

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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.