Which layover airport has the shortest connection time from Boise to Austin?

Phoenix (PHX) has the shortest average layover time for this route: 0h 41m.

Which airport is the most popular layover for flights between Boise and Austin?

Salt Lake City (SLC) was the most common stop: 42% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boise to Austin?

Flights via Dallas (DFW) offer the lowest average round-trip price of $293.

What airlines fly to Austin?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Austin from Boise according to our data. Delta is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 6 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Boise to Austin?

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 5h 17m.

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Austin Bergstrom?

United Airlines, Frontier, and Alaska Airlines are the most popular carriers operating from Boise Air Term. Gowen Fld to Austin Bergstrom

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport?

Prices for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport?

The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport is 6 as of January 2026.

How old do you have to be to fly from Boise Air Term. Gowen Fld 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 Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport.

What documentation or ID do you need to fly to Austin Bergstrom Airport?

The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$119 Cheap Flights from Boise to Austin in 2026

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Find the cheapest flights from Boise to Austin

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:36 pm - 12:16 am

BOI

AUS

10h 40m

1 stop

8:30 am - 11:51 am

AUS

BOI

28h 21m

1 stop

$129Frontier

Thu, Feb 12 - Wed, Feb 18

11:56 am - 12:16 am

BOI

AUS

11h 20m

1 stop

10:45 pm - 10:12 am

AUS

BOI

12h 27m

1 stop

$184Frontier

Sun, Mar 1 - Sat, Mar 7

12:03 pm - 12:21 am

BOI

AUS

11h 18m

1 stop

6:45 am - 11:08 am

AUS

BOI

5h 23m

1 stop

$215Frontier

Thu, Apr 9 - Sun, Apr 12

11:56 am - 12:16 am

BOI

AUS

11h 20m

1 stop

7:15 am - 3:08 pm

AUS

BOI

8h 53m

1 stop

$216Multiple Airlines

Fri, Feb 27 - Mon, Mar 2

5:40 am - 1:30 pm

BOI

AUS

6h 50m

1 stop

11:50 am - 7:21 pm

AUS

BOI

8h 31m

1 stop

$237Delta

Tue, Apr 28 - Tue, May 5

5:00 am - 11:20 am

BOI

AUS

5h 20m

1 stop

12:45 pm - 9:15 pm

AUS

BOI

9h 30m

2 stops

$242United Airlines

Wed, Mar 25 - Tue, Mar 31

12:36 pm - 12:16 am

BOI

AUS

10h 40m

1 stop

6:00 am - 11:30 pm

AUS

BOI

18h 30m

1 stop

$258Multiple Airlines

Thu, Feb 12 - Tue, Feb 17

11:36 pm - 9:55 am

BOI

AUS

9h 19m

1 stop

6:15 am - 2:04 pm

AUS

BOI

8h 49m

1 stop

$271Delta

Tue, Apr 28 - Mon, May 4

7:45 am - 7:19 pm

BOI

AUS

10h 34m

1 stop

6:00 am - 11:30 pm

AUS

BOI

18h 30m

1 stop

$275Alaska Airlines

Wed, Feb 11 - Tue, Feb 17

6:00 am - 7:19 pm

BOI

AUS

12h 19m

2 stops

3:39 pm - 11:59 pm

AUS

BOI

9h 20m

1 stop

$280Alaska Airlines

Tue, Apr 28 - Sat, May 9

Frontier flights from Boise to Austin

Our best Frontier deals on Boise to Austin flight tickets

Frontier

Feb 12

BOI12:36 pmBoise Air Term. Gowen Fld

10h 40m

1 stop

AUS12:16 amAustin Bergstrom

Feb 18

AUS8:30 amAustin Bergstrom

28h 21m

1 stop

BOI11:51 amBoise Air Term. Gowen Fld

$129

Frontier

Mar 1

BOI11:56 amBoise Air Term. Gowen Fld

11h 20m

1 stop

AUS12:16 amAustin Bergstrom

Mar 7

AUS10:45 pmAustin Bergstrom

12h 27m

1 stop

BOI10:12 amBoise Air Term. Gowen Fld

$184

Frontier

Apr 9

BOI12:03 pmBoise Air Term. Gowen Fld

11h 18m

1 stop

AUS12:21 amAustin Bergstrom

Apr 12

AUS6:45 amAustin Bergstrom

5h 23m

1 stop

BOI11:08 amBoise Air Term. Gowen Fld

$215

United Airlines flights from Boise to Austin

Our best United Airlines deals on Boise to Austin flight tickets

United Airlines

Mar 25

BOI5:00 amBoise Air Term. Gowen Fld

5h 20m

1 stop

AUS11:20 amAustin Bergstrom

Mar 31

AUS8:45 amAustin Bergstrom

7h 43m

1 stop

BOI3:28 pmBoise Air Term. Gowen Fld

$237

United Airlines

Mar 25

BOI5:00 amBoise Air Term. Gowen Fld

5h 20m

1 stop

AUS11:20 amAustin Bergstrom

Mar 31

AUS12:45 pmAustin Bergstrom

9h 30m

2 stops

BOI9:15 pmBoise Air Term. Gowen Fld

$242

United Airlines

Feb 11

BOI10:48 amBoise Air Term. Gowen Fld

9h 35m

2 stops

AUS9:23 pmAustin Bergstrom

Feb 17

AUS4:52 pmAustin Bergstrom

5h 40m

1 stop

BOI9:32 pmBoise Air Term. Gowen Fld

$287

Fly from

Fly to

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 2/12

12:36 pm-12:16 am

1 stop10h 40m

Austin Bergstrom

Wed 2/18

8:30 am-11:51 am

1 stop28h 21m

$129

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sun 3/1

11:56 am-12:16 am

1 stop11h 20m

Austin Bergstrom

Sat 3/7

10:45 pm-10:12 am

1 stop12h 27m

$184

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 4/9

12:03 pm-12:21 am

1 stop11h 18m

Austin Bergstrom

Sun 4/12

6:45 am-11:08 am

1 stop5h 23m

$215

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 2/27

11:56 am-12:16 am

1 stop11h 20m

Austin Bergstrom

Mon 3/2

7:15 am-3:08 pm

1 stop8h 53m

$216

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 4/28

5:40 am-1:30 pm

1 stop6h 50m

Austin Bergstrom

Tue 5/5

11:50 am-7:21 pm

1 stop8h 31m

$237

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 3/25

5:00 am-11:20 am

1 stop5h 20m

Austin Bergstrom

Tue 3/31

12:45 pm-9:15 pm

2 stops9h 30m

$242

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 2/12

12:36 pm-12:16 am

1 stop10h 40m

Austin Bergstrom

Tue 2/17

6:00 am-11:30 pm

1 stop18h 30m

$258

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 4/28

11:36 pm-9:55 am

1 stop9h 19m

Austin Bergstrom

Mon 5/4

6:15 am-2:04 pm

1 stop8h 49m

$271

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 2/11

7:45 am-7:19 pm

1 stop10h 34m

Austin Bergstrom

Tue 2/17

6:00 am-11:30 pm

1 stop18h 30m

$275

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 4/28

6:00 am-7:19 pm

2 stops12h 19m

Austin Bergstrom

Sat 5/9

3:39 pm-11:59 pm

1 stop9h 20m

$280

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 Boise 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

Layovers

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Boise is in September. Flight prices, which tend to average around $282, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then January is your next best option. Flight prices from Boise to Austin during January average around $296.

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

You are more likely to see cheaper flights to Austin from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $355 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Boise for as low as $267 on momondo.

How have Boise to Austin flight prices changed over time?

As of January 2026, prices for Boise to Austin flights are approximately 30% more expensive when compared to flights at the same time last year.

When to book flights from Boise to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Austin according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boise to Austin (BOI to AUS) flight deals and tips

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

Fastest flight time	4h 57m
Direct flights	None

The fastest flight from Boise to Austin takes 4h 57m

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

Search flight deals

How far is Boise Air Term. Gowen Fld to Austin Bergstrom by plane?
The straight-line distance from Boise Air Term. Gowen Fld to Austin Bergstrom is 1367.1 mi. Typically, this will take 4h 57m by plane in normal conditions.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport?
The number of operators available for flights from Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport is 6 as of January 2026.
How old do you have to be to fly from Boise Air Term. Gowen Fld 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 Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boise to Austin?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boise to Austin is Delta (34% of total bookings). The next most popular airlines are Southwest (28%), United Airlines (15%), and American Airlines (14%).

Best airlines flying from Boise to Austin

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $179	Free Cancellation	Rating 5.7 3,056 reviews	Search Frontier flights
Southwest	PriceFrom $183	Free Cancellation	Rating 8.0 4,266 reviews	Search Southwest flights
Delta	PriceFrom $185	Free Cancellation	Rating 7.9 8,080 reviews	Search Delta flights
Alaska Airlines	PriceFrom $250	Free Cancellation	Rating 8.0 11,761 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $275	Free Cancellation	Rating 7.2 11,166 reviews	Search American Airlines flights
United Airlines	PriceFrom $276	Free Cancellation	Rating 7.4 9,183 reviews	Search United Airlines flights

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Boise to Austin. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Austin from Boise which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Boise to Austin 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 Boise to Austin right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Boise 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.