What airlines fly to Idaho?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Idaho from Austin according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 6 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

How many flights depart from Austin to Idaho on average per week?

As of July 2026, 1 flights take off from Austin and land in Idaho each week. The most common flight departure day for this route is Sun, with 100% of weekly flights taking off on this day.

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

Frontier, Delta, and American Airlines are the most popular carriers operating from Austin Bergstrom to Idaho

When did momondo last update prices for flights from Austin Bergstrom Airport to Idaho?

Prices for flights from Austin Bergstrom Airport to Idaho refresh daily.

How many operators does momondo search for flights from Austin Bergstrom Airport to Idaho?

As of July 2026, there are 6 operators available to choose from for flights from Austin Bergstrom Airport to Idaho.

How old do you have to be to fly from Austin Bergstrom Airport to Idaho?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$135 Cheap Flights from Austin to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 11:29 am

AUS

BOI

6h 14m

1 stop

12:24 pm - 11:41 pm

BOI

AUS

10h 17m

1 stop

$246Frontier

Thu, Aug 20 - Sun, Aug 23

6:15 am - 12:29 pm

AUS

BOI

7h 14m

1 stop

12:24 pm - 7:30 pm

BOI

AUS

6h 06m

1 stop

$250Frontier

Tue, Aug 18 - Thu, Aug 20

9:00 am - 2:57 pm

AUS

JAC

6h 57m

1 stop

4:30 pm - 11:45 pm

JAC

AUS

6h 15m

1 stop

$311American Airlines

Sun, Sep 6 - Thu, Sep 10

6:00 am - 10:12 am

AUS

JAC

5h 12m

1 stop

4:30 pm - 10:35 pm

JAC

AUS

5h 05m

1 stop

$312American Airlines

Sun, Aug 9 - Tue, Aug 18

2:45 pm - 9:05 pm

AUS

GEG

8h 20m

1 stop

7:07 pm - 5:46 am

GEG

AUS

8h 39m

1 stop

$328United Airlines

Tue, Aug 4 - Fri, Aug 7

7:25 pm - 11:55 pm

AUS

GEG

6h 30m

1 stop

6:16 am - 3:37 pm

GEG

AUS

7h 21m

1 stop

$330Delta

Wed, Jul 29 - Wed, Aug 5

6:00 am - 1:05 pm

AUS

GEG

9h 05m

2 stops

1:40 pm - 9:40 pm

GEG

AUS

6h 00m

1 stop

$332Southwest

Wed, Aug 26 - Sat, Aug 29

9:39 am - 6:31 pm

AUS

GEG

10h 52m

2 stops

5:00 am - 12:55 pm

GEG

AUS

5h 55m

1 stop

$333United Airlines

Tue, Sep 29 - Thu, Oct 1

4:45 pm - 10:55 pm

AUS

GEG

8h 10m

2 stops

5:45 am - 4:40 pm

GEG

AUS

8h 55m

2 stops

$337Southwest

Wed, Aug 26 - Sat, Aug 29

6:11 pm - 10:32 pm

AUS

IDA

5h 21m

1 stop

6:00 am - 6:22 pm

IDA

AUS

11h 22m

2 stops

$408Delta

Tue, Aug 11 - Tue, Aug 18

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from Austin to Idaho

Our best American Airlines deals on Austin to Idaho flight tickets

American Airlines

Sep 6

AUS9:00 amAustin Bergstrom

6h 57m

1 stop

JAC2:57 pmJackson Hole

Sep 10

JAC4:30 pmJackson Hole

6h 15m

1 stop

AUS11:45 pmAustin Bergstrom

$311

American Airlines

Aug 9

AUS6:00 amAustin Bergstrom

5h 12m

1 stop

JAC10:12 amJackson Hole

Aug 18

JAC4:30 pmJackson Hole

5h 05m

1 stop

AUS10:35 pmAustin Bergstrom

$312

American Airlines

Aug 2

AUS12:40 pmAustin Bergstrom

8h 02m

1 stop

JAC7:42 pmJackson Hole

Aug 6

JAC4:30 pmJackson Hole

6h 28m

1 stop

AUS11:58 pmAustin Bergstrom

$335

Frontier flights from Austin to Idaho

Our best Frontier deals on Austin to Idaho flight tickets

Frontier

Aug 20

AUS6:15 amAustin Bergstrom

6h 14m

1 stop

BOI11:29 amBoise Air Term. Gowen Fld

Aug 23

BOI12:24 pmBoise Air Term. Gowen Fld

10h 17m

1 stop

AUS11:41 pmAustin Bergstrom

$246

Frontier

Aug 13

AUS6:30 amAustin Bergstrom

6h 59m

1 stop

BOI12:29 pmBoise Air Term. Gowen Fld

Aug 18

BOI1:24 pmBoise Air Term. Gowen Fld

9h 17m

1 stop

AUS11:41 pmAustin Bergstrom

$250

Frontier

Aug 8

AUS7:43 pmAustin Bergstrom

17h 46m

1 stop

BOI12:29 pmBoise Air Term. Gowen Fld

Aug 11

BOI1:24 pmBoise Air Term. Gowen Fld

9h 43m

1 stop

AUS12:07 amAustin Bergstrom

$258

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 8/20

6:15 am-11:29 am

1 stop6h 14m

Boise Air Term. Gowen Fld

Sun 8/23

12:24 pm-11:41 pm

1 stop10h 17m

$246

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Tue 8/18

6:15 am-12:29 pm

1 stop7h 14m

Boise Air Term. Gowen Fld

Thu 8/20

12:24 pm-7:30 pm

1 stop6h 06m

$250

AustinJackson

AUS - JAC

AUSJAC

Austin Bergstrom

Sun 9/6

9:00 am-2:57 pm

1 stop6h 57m

Jackson Hole

Thu 9/10

4:30 pm-11:45 pm

1 stop6h 15m

$311

Quickest round-trip

AustinJackson

AUS - JAC

AUSJAC

Austin Bergstrom

Sun 8/9

6:00 am-10:12 am

1 stop5h 12m

Jackson Hole

Tue 8/18

4:30 pm-10:35 pm

1 stop5h 05m

$312

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Tue 8/4

2:45 pm-9:05 pm

1 stop8h 20m

Spokane

Fri 8/7

7:07 pm-5:46 am

1 stop8h 39m

$328

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 7/29

7:25 pm-11:55 pm

1 stop6h 30m

Spokane

Wed 8/5

6:16 am-3:37 pm

1 stop7h 21m

$330

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 8/26

6:00 am-1:05 pm

2 stops9h 05m

Spokane

Sat 8/29

1:40 pm-9:40 pm

1 stop6h 00m

$332

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Tue 9/29

9:39 am-6:31 pm

2 stops10h 52m

Spokane

Thu 10/1

5:00 am-12:55 pm

1 stop5h 55m

$333

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 8/26

4:45 pm-10:55 pm

2 stops8h 10m

Spokane

Sat 8/29

5:45 am-4:40 pm

2 stops8h 55m

$337

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 8/11

6:11 pm-10:32 pm

1 stop5h 21m

Idaho Falls Fanning Field

Tue 8/18

6:00 am-6:22 pm

2 stops11h 22m

$408

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Austin to Idaho

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

Other information

What is the cheapest month to fly to Idaho?

In general, December is the cheapest month to fly from Austin to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $78. If you don’t want to visit Idaho in December, then you should wait until February to fly from Austin, when ticket prices are also cheap, with an average price of $132.

How far in advance should I book a flight from Austin to Idaho?

You are more likely to see cheaper flights to Idaho from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $398 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Austin for as low as $210 on momondo.

Cheap Austin to Idaho flight deals and tips

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

Fastest flight time	4h 55m
Direct flights	None

The fastest flight from Austin to Idaho takes 4h 55m

There are no direct flights from Austin to Idaho. There are no popular flight routes from Austin to Idaho.

Search flight deals

Frequently asked questions about flying from Austin to Idaho

When did momondo last update prices for flights from Austin Bergstrom Airport to Idaho?
Prices for flights from Austin Bergstrom Airport to Idaho refresh daily.
How many operators does momondo search for flights from Austin Bergstrom Airport to Idaho?
As of July 2026, there are 6 operators available to choose from for flights from Austin Bergstrom Airport to Idaho.
How old do you have to be to fly from Austin Bergstrom Airport to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Austin to Idaho

Compare and see reviews for airlines that fly from Austin to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $139	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
Frontier	PriceFrom $149	Free Cancellation	Rating 5.6 2,845 reviews	Search Frontier flights
American Airlines	PriceFrom $216	Free Cancellation	Rating 7.1 11,783 reviews	Search American Airlines flights
United Airlines	PriceFrom $237	Free Cancellation	Rating 7.4 9,940 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $237	Free Cancellation	Rating 7.9 12,625 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $264	Free Cancellation	Rating 7.9 4,253 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Austin to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

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

Flights from Austin to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Austin to Idaho flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Austin to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.