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Cheap flights from Boise to Austin from $107

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Austin departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boise to Austin

Cheap round-trip flights

Frontier Logo
12:33 pm - 11:16 pmBOI-AUS
9h 43m1 stop
Frontier Logo
6:00 am - 11:38 amAUS-BOI
6h 38m1 stop
$235Frontier
Find Deal
Fri, Aug 22 - Sun, Aug 24
Frontier Logo
12:48 pm - 11:34 pmBOI-AUS
9h 46m1 stop
Frontier Logo
6:00 am - 11:53 amAUS-BOI
6h 53m1 stop
$238Frontier
Find Deal
Thu, Oct 9 - Sun, Oct 12
Frontier Logo
12:48 pm - 2:31 pmBOI-AUS
24h 43m1 stop
Frontier Logo
6:00 am - 11:53 amAUS-BOI
6h 53m1 stop
$245Frontier
Find Deal
Thu, Oct 9 - Sun, Oct 12
Delta Logo
5:40 am - 1:34 pmBOI-AUS
6h 54m1 stop
Delta Logo
5:15 am - 10:17 amAUS-BOI
6h 02m1 stop
$279Delta
Find Deal
Fri, Oct 31 - Sun, Nov 2
Southwest Logo
4:30 pm - 12:05 amBOI-AUS
6h 35m1 stop
Southwest Logo
7:25 am - 3:10 pmAUS-BOI
8h 45m2 stops
$284Southwest
Find Deal
Fri, Aug 22 - Wed, Aug 27
Southwest Logo
1:10 pm - 11:25 pmBOI-AUS
9h 15m1 stop
Southwest Logo
6:50 am - 2:05 pmAUS-BOI
8h 15m2 stops
$303Southwest
Find Deal
Fri, Aug 22 - Sun, Aug 24
United Airlines Logo
2:13 pm - 9:53 pmBOI-AUS
6h 40m1 stop
United Airlines Logo
2:15 pm - 10:21 pmAUS-BOI
9h 06m2 stops
$383United Airlines
Find Deal
Thu, Aug 21 - Mon, Aug 25
United Airlines Logo
7:09 pm - 8:51 amBOI-AUS
12h 42m2 stops
United Airlines Logo
5:30 am - 1:49 pmAUS-BOI
9h 19m2 stops
$447United Airlines
Find Deal
Wed, Aug 27 - Mon, Sep 1
Delta Logo
11:30 pm - 9:43 amBOI-AUS
9h 13m1 stop
Delta Logo
6:00 am - 1:35 pmAUS-BOI
8h 35m1 stop
$473Delta
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Tue, Dec 30 - Sat, Jan 3
American Airlines Logo
6:35 am - 1:19 pmBOI-AUS
5h 44m1 stop
American Airlines Logo
3:36 pm - 9:40 pmAUS-BOI
7h 04m1 stop
$507American Airlines
Find Deal
Wed, Aug 13 - Sun, Aug 17

Alaska Airlines flights from Boise to Austin

Our best Alaska Airlines deals on Boise to Austin flight tickets
Alaska Airlines
Sep 17
BOI6:35 amBoise Air Term. Gowen Fld
7h 43m
1 stop
AUS3:18 pmAustin Bergstrom
Sep 23
AUS2:59 pmAustin Bergstrom
10h 09m
2 stops
BOI12:08 amBoise Air Term. Gowen Fld
$296
Find similar
Alaska Airlines
Oct 31
BOI6:05 pmBoise Air Term. Gowen Fld
17h 30m
2 stops
AUS12:35 pmAustin Bergstrom
Nov 2
AUS8:30 amAustin Bergstrom
14h 38m
1 stop
BOI10:08 pmBoise Air Term. Gowen Fld
$306
Find similar
Alaska Airlines
Aug 27
BOI2:28 pmBoise Air Term. Gowen Fld
22h 51m
2 stops
AUS2:19 pmAustin Bergstrom
Sep 1
AUS5:50 pmAustin Bergstrom
7h 09m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$321
Find similar

Delta flights from Boise to Austin

Our best Delta deals on Boise to Austin flight tickets
Delta
Oct 31
BOI5:40 amBoise Air Term. Gowen Fld
6h 54m
1 stop
AUS1:34 pmAustin Bergstrom
Nov 2
AUS5:15 amAustin Bergstrom
6h 02m
1 stop
BOI10:17 amBoise Air Term. Gowen Fld
$279
Find similar
Delta
Dec 30
BOI11:30 pmBoise Air Term. Gowen Fld
9h 13m
1 stop
AUS9:43 amAustin Bergstrom
Jan 3
AUS6:00 amAustin Bergstrom
8h 35m
1 stop
BOI1:35 pmBoise Air Term. Gowen Fld
$473
Find similar
Delta
Dec 30
BOI3:30 pmBoise Air Term. Gowen Fld
7h 27m
1 stop
AUS11:57 pmAustin Bergstrom
Jan 3
AUS6:00 amAustin Bergstrom
8h 35m
1 stop
BOI1:35 pmBoise Air Term. Gowen Fld
$483
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Boise to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 8/22

12:33 pm-11:16 pm

1 stop9h 43m

Austin Bergstrom

Sun 8/24

6:00 am-11:38 am

1 stop6h 38m

$235

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 10/9

12:48 pm-11:34 pm

1 stop9h 46m

Austin Bergstrom

Sun 10/12

6:00 am-11:53 am

1 stop6h 53m

$238

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 10/9

12:48 pm-2:31 pm

1 stop24h 43m

Austin Bergstrom

Sun 10/12

6:00 am-11:53 am

1 stop6h 53m

$245

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 10/31

5:40 am-1:34 pm

1 stop6h 54m

Austin Bergstrom

Sun 11/2

5:15 am-10:17 am

1 stop6h 02m

$279

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 8/22

4:30 pm-12:05 am

1 stop6h 35m

Austin Bergstrom

Wed 8/27

7:25 am-3:10 pm

2 stops8h 45m

$284

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 8/22

1:10 pm-11:25 pm

1 stop9h 15m

Austin Bergstrom

Sun 8/24

6:50 am-2:05 pm

2 stops8h 15m

$303

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 8/21

2:13 pm-9:53 pm

1 stop6h 40m

Austin Bergstrom

Mon 8/25

2:15 pm-10:21 pm

2 stops9h 06m

$383

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 8/27

7:09 pm-8:51 am

2 stops12h 42m

Austin Bergstrom

Mon 9/1

5:30 am-1:49 pm

2 stops9h 19m

$447

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 12/30

11:30 pm-9:43 am

1 stop9h 13m

Austin Bergstrom

Sat 1/3

6:00 am-1:35 pm

1 stop8h 35m

$473

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 8/13

6:35 am-1:19 pm

1 stop5h 44m

Austin Bergstrom

Sun 8/17

3:36 pm-9:40 pm

1 stop7h 04m

$507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the typical price of a round-trip flight between Boise and Austin?

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 $327, 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 $330.

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 $321. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boise to Austin for around $481.

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

In the evening is the cheapest time of day to fly from Boise to Austin when you can find flight prices for as low as $348. Flying to Austin in the evening is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $372. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $387 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 $298 on momondo.

How have Boise to Austin flight prices changed over time?

As of July 2025, prices for Boise to Austin flights are approximately 83% 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

Best Price Found

$107

Fastest flight time

5h 05m

Direct flights

None

Airports in Austin

1 airport
The best one-way flight to Austin from Boise in the past 72 hours is $107. The best round-trip flight deal from Boise to Austin found on momondo in the last 72 hours is $235.
The fastest flight from Boise to Austin takes 5h 05m
There are no direct flights from Boise to Austin. Popular non-direct route for this connection is Boise Air Term. Gowen Fld Airport - Austin Bergstrom Airport.
There is 1 airport near Austin: Austin Bergstrom (AUS)
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 5h 05m 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?

  • 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?

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
Spirit AirlinesPriceFrom $96Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
DeltaPriceFrom $232Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $245Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $272Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $280Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Round Rock
Wimberley
Georgetown
Canyon Lake
Marble Falls
Dripping Springs
Cedar Park
Horseshoe Bay
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

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.

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