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

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

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 36% 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.

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 February 2026, there are 7 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.

$95 Cheap Flights from Austin to Idaho in 2026

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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.

6:45 am - 11:51 am

AUS

BOI

6h 06m

1 stop

11:56 am - 12:16 am

BOI

AUS

11h 20m

1 stop

$190Frontier

Thu, Feb 26 - Sun, Mar 1

8:00 am - 11:08 am

AUS

BOI

28h 08m

1 stop

11:53 am - 10:05 am

BOI

AUS

21h 12m

1 stop

$201Frontier

Wed, May 13 - Sun, May 17

6:45 am - 11:27 am

AUS

GEG

6h 42m

1 stop

12:22 pm - 12:16 am

GEG

AUS

9h 54m

1 stop

$206Frontier

Thu, Feb 26 - Thu, Mar 5

6:45 am - 11:11 am

AUS

BOI

5h 26m

1 stop

8:30 am - 6:00 pm

BOI

AUS

8h 30m

1 stop

$214Multiple Airlines

Sun, Mar 1 - Sat, Mar 7

6:45 am - 12:14 pm

AUS

GEG

7h 29m

1 stop

5:40 am - 2:35 pm

GEG

AUS

6h 55m

1 stop

$234Multiple Airlines

Sun, Mar 1 - Wed, Mar 4

4:07 pm - 10:54 pm

AUS

BOI

7h 47m

1 stop

5:36 am - 2:50 pm

BOI

AUS

8h 14m

1 stop

$237Delta

Wed, May 13 - Sat, May 16

6:40 am - 12:23 pm

AUS

GEG

7h 43m

1 stop

3:15 pm - 11:39 pm

GEG

AUS

6h 24m

1 stop

$237American Airlines

Sat, May 9 - Wed, May 13

2:11 pm - 9:16 pm

AUS

GEG

9h 05m

2 stops

5:00 am - 1:04 pm

GEG

AUS

6h 04m

1 stop

$242United Airlines

Sat, May 9 - Wed, May 13

6:00 am - 2:43 pm

AUS

BOI

9h 43m

1 stop

3:14 pm - 11:59 pm

BOI

AUS

7h 45m

1 stop

$247Delta

Wed, May 13 - Sat, May 16

2:11 pm - 9:16 pm

AUS

GEG

9h 05m

2 stops

1:41 pm - 11:15 pm

GEG

AUS

7h 34m

2 stops

$247United Airlines

Sat, May 9 - Wed, May 13

Delta flights from Austin to Idaho

Our best Delta deals on Austin to Idaho flight tickets

Delta

May 13

AUS4:07 pmAustin Bergstrom

7h 47m

1 stop

BOI10:54 pmBoise Air Term. Gowen Fld

May 16

BOI5:36 amBoise Air Term. Gowen Fld

8h 14m

1 stop

AUS2:50 pmAustin Bergstrom

$237

Delta

May 13

AUS6:00 amAustin Bergstrom

9h 43m

1 stop

BOI2:43 pmBoise Air Term. Gowen Fld

May 16

BOI3:14 pmBoise Air Term. Gowen Fld

7h 45m

1 stop

AUS11:59 pmAustin Bergstrom

$247

Delta

Apr 3

AUS6:20 amAustin Bergstrom

6h 50m

1 stop

JAC12:10 pmJackson Hole

Apr 5

JAC5:50 pmJackson Hole

5h 49m

1 stop

AUS12:39 amAustin Bergstrom

$257

Frontier flights from Austin to Idaho

Our best Frontier deals on Austin to Idaho flight tickets

Frontier

Feb 26

AUS6:45 amAustin Bergstrom

6h 06m

1 stop

BOI11:51 amBoise Air Term. Gowen Fld

Mar 1

BOI11:56 amBoise Air Term. Gowen Fld

11h 20m

1 stop

AUS12:16 amAustin Bergstrom

$190

Frontier

May 13

AUS8:00 amAustin Bergstrom

28h 08m

1 stop

BOI11:08 amBoise Air Term. Gowen Fld

May 17

BOI11:53 amBoise Air Term. Gowen Fld

21h 12m

1 stop

AUS10:05 amAustin Bergstrom

$201

Frontier

Feb 26

AUS6:45 amAustin Bergstrom

6h 42m

1 stop

GEG11:27 amSpokane

Mar 5

GEG12:22 pmSpokane

9h 54m

1 stop

AUS12:16 amAustin Bergstrom

$206

Fly from

Fly to

Route

Depart

Return

Price

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 2/26

6:45 am-11:51 am

1 stop6h 06m

Boise Air Term. Gowen Fld

Sun 3/1

11:56 am-12:16 am

1 stop11h 20m

$190

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 5/13

8:00 am-11:08 am

1 stop28h 08m

Boise Air Term. Gowen Fld

Sun 5/17

11:53 am-10:05 am

1 stop21h 12m

$201

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Thu 2/26

6:45 am-11:27 am

1 stop6h 42m

Spokane

Thu 3/5

12:22 pm-12:16 am

1 stop9h 54m

$206

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Sun 3/1

6:45 am-11:11 am

1 stop5h 26m

Boise Air Term. Gowen Fld

Sat 3/7

8:30 am-6:00 pm

1 stop8h 30m

$214

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Sun 3/1

6:45 am-12:14 pm

1 stop7h 29m

Spokane

Wed 3/4

5:40 am-2:35 pm

1 stop6h 55m

$234

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 5/13

4:07 pm-10:54 pm

1 stop7h 47m

Boise Air Term. Gowen Fld

Sat 5/16

5:36 am-2:50 pm

1 stop8h 14m

$237

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Sat 5/9

6:40 am-12:23 pm

1 stop7h 43m

Spokane

Wed 5/13

3:15 pm-11:39 pm

1 stop6h 24m

$237

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Sat 5/9

2:11 pm-9:16 pm

2 stops9h 05m

Spokane

Wed 5/13

5:00 am-1:04 pm

1 stop6h 04m

$242

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 5/13

6:00 am-2:43 pm

1 stop9h 43m

Boise Air Term. Gowen Fld

Sat 5/16

3:14 pm-11:59 pm

1 stop7h 45m

$247

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Sat 5/9

2:11 pm-9:16 pm

2 stops9h 05m

Spokane

Wed 5/13

1:41 pm-11:15 pm

2 stops7h 34m

$247

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

What is the cheapest month to fly to Idaho?

In general, October 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 $300. If you don’t want to visit Idaho in October, then you should wait until April to fly from Austin, when ticket prices are also cheap, with an average price of $308.

How far in advance should I book a flight 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 $334 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 $284 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 49m
Direct flights	None

The fastest flight from Austin to Idaho takes 4h 49m

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

Search flight deals

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 February 2026, there are 7 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
Frontier	PriceFrom $78	Free Cancellation	Rating 5.7 3,052 reviews	Search Frontier flights
Delta	PriceFrom $139	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
American Airlines	PriceFrom $232	Free Cancellation	Rating 7.2 11,271 reviews	Search American Airlines flights
United Airlines	PriceFrom $237	Free Cancellation	Rating 7.4 9,279 reviews	Search United Airlines flights
Southwest	PriceFrom $261	Free Cancellation	Rating 8.0 4,280 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.