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 7 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

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

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

As of September 2025, 3 flights take off from Austin and land in Idaho each week. The most common flight departure day for this route is Mon, with 33% of weekly flights taking off on this day.

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 September 2025, 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.

$93 Cheap Flights from Austin to Idaho in 2025/26

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Find the cheapest flights from Austin to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

6:00 am - 11:48 amAUS-BOI

6h 48m1 stop

12:33 pm - 12:43 amBOI-AUS

11h 10m1 stop

$153Frontier

Find Deal

dom., nov. 9 - jue., nov. 13

6:00 am - 11:43 amAUS-BOI

6h 43m1 stop

12:33 pm - 12:32 amBOI-AUS

10h 59m1 stop

$173Frontier

Find Deal

jue., oct. 16 - jue., oct. 30

7:15 pm - 11:59 pmAUS-BOI

5h 44m1 stop

1:00 pm - 8:56 pmBOI-AUS

6h 56m1 stop

$277Delta

Find Deal

mar., oct. 14 - mié., oct. 29

4:15 pm - 10:52 pmAUS-BOI

7h 37m1 stop

1:00 pm - 8:56 pmBOI-AUS

6h 56m1 stop

$278Delta

Find Deal

mar., oct. 14 - sáb., oct. 25

4:54 pm - 9:16 pmAUS-BOI

5h 22m1 stop

10:40 am - 6:34 pmBOI-AUS

6h 54m1 stop

$279United Airlines

Find Deal

mié., feb. 18 - mar., feb. 24

1:54 pm - 8:52 pmAUS-BOI

7h 58m1 stop

5:00 am - 1:00 pmBOI-AUS

7h 00m2 stops

$284United Airlines

Find Deal

mié., feb. 18 - mar., feb. 24

8:04 am - 8:10 pmAUS-SUN

13h 06m2 stops

1:30 pm - 11:52 pmSUN-AUS

9h 22m1 stop

$293American Airlines

Find Deal

jue., feb. 26 - mar., mar. 3

7:00 am - 8:10 pmAUS-SUN

14h 10m2 stops

8:00 am - 7:11 pmSUN-AUS

10h 11m2 stops

$298American Airlines

Find Deal

jue., feb. 26 - mar., mar. 3

8:20 pm - 11:50 pmAUS-GEG

5h 30m1 stop

12:40 pm - 9:55 pmGEG-AUS

7h 15m1 stop

$299Southwest

Find Deal

jue., oct. 30 - lun., nov. 3

8:50 am - 3:20 pmAUS-BOI

7h 30m2 stops

6:05 am - 3:00 pmBOI-AUS

7h 55m2 stops

$307Southwest

Find Deal

mié., feb. 18 - mar., feb. 24

Alaska Airlines flights from Austin to Idaho

Our best Alaska Airlines deals on Austin to Idaho flight tickets

Alaska Airlines

Feb 18

AUS6:00 amAustin Bergstrom

13h 20m

1 stop

BOI6:20 pmBoise Air Term. Gowen Fld

Feb 24

BOI5:00 pmBoise Air Term. Gowen Fld

11h 15m

1 stop

AUS5:15 amAustin Bergstrom

$214

Find similar

Alaska Airlines

Nov 14

AUS1:36 pmAustin Bergstrom

21h 53m

1 stop

BOI10:29 amBoise Air Term. Gowen Fld

Nov 19

BOI6:28 amBoise Air Term. Gowen Fld

7h 46m

1 stop

AUS3:14 pmAustin Bergstrom

$221

Find similar

Alaska Airlines

Oct 15

AUS7:15 amAustin Bergstrom

8h 21m

1 stop

BOI2:36 pmBoise Air Term. Gowen Fld

Oct 20

BOI6:30 amBoise Air Term. Gowen Fld

16h 26m

1 stop

AUS11:56 pmAustin Bergstrom

$244

Find similar

Frontier flights from Austin to Idaho

Our best Frontier deals on Austin to Idaho flight tickets

Frontier

Nov 9

AUS6:00 amAustin Bergstrom

6h 48m

1 stop

BOI11:48 amBoise Air Term. Gowen Fld

Nov 13

BOI12:33 pmBoise Air Term. Gowen Fld

11h 10m

1 stop

AUS12:43 amAustin Bergstrom

$153

Find similar

Frontier

Oct 16

AUS6:00 amAustin Bergstrom

6h 43m

1 stop

BOI11:43 amBoise Air Term. Gowen Fld

Oct 30

BOI12:33 pmBoise Air Term. Gowen Fld

10h 59m

1 stop

AUS12:32 amAustin Bergstrom

$173

Find similar

Frontier

Nov 9

AUS6:00 amAustin Bergstrom

6h 48m

1 stop

BOI11:48 amBoise Air Term. Gowen Fld

Nov 13

BOI12:33 pmBoise Air Term. Gowen Fld

20h 52m

2 stops

AUS10:25 amAustin Bergstrom

$194

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

dom. 11/9

6:00 am-11:48 am

1 stop6h 48m

Boise Air Term. Gowen Fld

jue. 11/13

12:33 pm-12:43 am

1 stop11h 10m

$153

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 10/16

6:00 am-11:43 am

1 stop6h 43m

Boise Air Term. Gowen Fld

jue. 10/30

12:33 pm-12:32 am

1 stop10h 59m

$173

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mar. 10/14

7:15 pm-11:59 pm

1 stop5h 44m

Boise Air Term. Gowen Fld

mié. 10/29

1:00 pm-8:56 pm

1 stop6h 56m

$277

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mar. 10/14

4:15 pm-10:52 pm

1 stop7h 37m

Boise Air Term. Gowen Fld

sáb. 10/25

1:00 pm-8:56 pm

1 stop6h 56m

$278

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 2/18

4:54 pm-9:16 pm

1 stop5h 22m

Boise Air Term. Gowen Fld

mar. 2/24

10:40 am-6:34 pm

1 stop6h 54m

$279

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 2/18

1:54 pm-8:52 pm

1 stop7h 58m

Boise Air Term. Gowen Fld

mar. 2/24

5:00 am-1:00 pm

2 stops7h 00m

$284

AustinHailey

AUS - SUN

AUSSUN

Austin Bergstrom

jue. 2/26

8:04 am-8:10 pm

2 stops13h 06m

Hailey Sun Valley-Friedman

mar. 3/3

1:30 pm-11:52 pm

1 stop9h 22m

$293

AustinHailey

AUS - SUN

AUSSUN

Austin Bergstrom

jue. 2/26

7:00 am-8:10 pm

2 stops14h 10m

Hailey Sun Valley-Friedman

mar. 3/3

8:00 am-7:11 pm

2 stops10h 11m

$298

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

jue. 10/30

8:20 pm-11:50 pm

1 stop5h 30m

Spokane

lun. 11/3

12:40 pm-9:55 pm

1 stop7h 15m

$299

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 2/18

8:50 am-3:20 pm

2 stops7h 30m

Boise Air Term. Gowen Fld

mar. 2/24

6:05 am-3:00 pm

2 stops7h 55m

$307

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, January 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 $279. If you don’t want to visit Idaho in January, then you should wait until August to fly from Austin, when ticket prices are also cheap, with an average price of $312.

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

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $315. On the other hand, Sunday is the most expensive day to depart from Austin because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $487.

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

According to our data, the cheapest time of day to fly to Idaho is in the morning. momondo users have found flights departing from Austin to Idaho in the morning for as low as $342. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $385 per ticket.

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 $362 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

Direct flights	None

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 September 2025, 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 $126	Free Cancellation	Rating 5.8 3,162 reviews	Search Frontier flights
Delta	PriceFrom $212	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
American Airlines	PriceFrom $242	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $244	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $254	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Southwest	PriceFrom $261	Free Cancellation	Rating 8.0 4,246 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.