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Cheap flights from Boise to Austin from $117

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 11/13. 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

Enter your travel dates to find the best prices.
Frontier Logo
12:54 pm - 12:16 amBOI-AUS
10h 22m1 stop
Frontier Logo
6:45 am - 11:59 amAUS-BOI
6h 14m1 stop
$138Frontier
Find Deal
Thu, Jan 15 - Thu, Jan 22
Frontier Logo
12:54 pm - 12:16 amBOI-AUS
10h 22m1 stop
Frontier Logo
6:45 am - 11:59 amAUS-BOI
6h 14m1 stop
$142Frontier
Find Deal
Thu, Jan 15 - Sun, Jan 25
Frontier Logo
12:54 pm - 11:43 amBOI-AUS
21h 49m2 stops
Frontier Logo
6:45 am - 11:59 amAUS-BOI
6h 14m1 stop
$174Frontier
Find Deal
Thu, Jan 15 - Sun, Jan 25
Delta Logo
7:30 am - 4:00 pmBOI-AUS
7h 30m1 stop
Delta Logo
4:55 pm - 11:59 pmAUS-BOI
8h 04m1 stop
$275Delta
Find Deal
Sat, Jan 17 - Thu, Jan 22
Delta Logo
5:40 am - 4:00 pmBOI-AUS
9h 20m1 stop
Delta Logo
1:59 pm - 11:59 pmAUS-BOI
11h 00m2 stops
$281Delta
Find Deal
Wed, Jan 14 - Fri, Jan 23
United Airlines Logo
2:37 pm - 9:25 pmBOI-AUS
5h 48m1 stop
United Airlines Logo
1:00 pm - 9:23 pmAUS-BOI
9h 23m2 stops
$302United Airlines
Find Deal
Wed, Jan 28 - Wed, Feb 4
Southwest Logo
6:05 am - 3:00 pmBOI-AUS
7h 55m2 stops
Southwest Logo
10:30 am - 5:15 pmAUS-BOI
7h 45m2 stops
$307Southwest
Find Deal
Wed, Jan 28 - Wed, Feb 4
Southwest Logo
2:30 pm - 11:15 pmBOI-AUS
7h 45m1 stop
Southwest Logo
8:35 pm - 1:00 amAUS-BOI
5h 25m1 stop
$319Southwest
Find Deal
Wed, Dec 31 - Sat, Jan 3
American Airlines Logo
7:20 am - 4:09 pmBOI-AUS
7h 49m1 stop
American Airlines Logo
6:00 am - 2:22 pmAUS-BOI
9h 22m1 stop
$333American Airlines
Find Deal
Thu, Jan 15 - Tue, Jan 20
United Airlines Logo
2:11 pm - 9:53 pmBOI-AUS
6h 42m1 stop
United Airlines Logo
7:30 am - 1:30 pmAUS-BOI
7h 00m1 stop
$423United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24

Frontier flights from Boise to Austin

Our best Frontier deals on Boise to Austin flight tickets
Frontier
Jan 15
BOI12:54 pmBoise Air Term. Gowen Fld
10h 22m
1 stop
AUS12:16 amAustin Bergstrom
Jan 22
AUS6:45 amAustin Bergstrom
6h 14m
1 stop
BOI11:59 amBoise Air Term. Gowen Fld
$138
Find similar
Frontier
Jan 15
BOI12:54 pmBoise Air Term. Gowen Fld
10h 22m
1 stop
AUS12:16 amAustin Bergstrom
Jan 25
AUS6:45 amAustin Bergstrom
6h 14m
1 stop
BOI11:59 amBoise Air Term. Gowen Fld
$142
Find similar
Frontier
Jan 15
BOI12:54 pmBoise Air Term. Gowen Fld
21h 49m
2 stops
AUS11:43 amAustin Bergstrom
Jan 25
AUS6:45 amAustin Bergstrom
6h 14m
1 stop
BOI11:59 amBoise Air Term. Gowen Fld
$174
Find similar

Alaska Airlines flights from Boise to Austin

Our best Alaska Airlines deals on Boise to Austin flight tickets
Alaska Airlines
Dec 2
BOI3:39 pmBoise Air Term. Gowen Fld
25h 47m
1 stop
AUS6:26 pmAustin Bergstrom
Dec 9
AUS7:15 amAustin Bergstrom
10h 01m
1 stop
BOI4:16 pmBoise Air Term. Gowen Fld
$264
Find similar
Alaska Airlines
Jan 18
BOI1:55 pmBoise Air Term. Gowen Fld
9h 04m
1 stop
AUS11:59 pmAustin Bergstrom
Jan 24
AUS7:15 amAustin Bergstrom
12h 07m
1 stop
BOI6:22 pmBoise Air Term. Gowen Fld
$274
Find similar
Alaska Airlines
Jan 28
BOI9:02 amBoise Air Term. Gowen Fld
7h 57m
1 stop
AUS5:59 pmAustin Bergstrom
Feb 4
AUS12:30 pmAustin Bergstrom
11h 31m
1 stop
BOI11:01 pmBoise Air Term. Gowen Fld
$282
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 November 4, 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

Thu 1/15

12:54 pm-12:16 am

1 stop10h 22m

Austin Bergstrom

Thu 1/22

6:45 am-11:59 am

1 stop6h 14m

$138

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 1/15

12:54 pm-12:16 am

1 stop10h 22m

Austin Bergstrom

Sun 1/25

6:45 am-11:59 am

1 stop6h 14m

$142

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 1/15

12:54 pm-11:43 am

2 stops21h 49m

Austin Bergstrom

Sun 1/25

6:45 am-11:59 am

1 stop6h 14m

$174

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 1/17

7:30 am-4:00 pm

1 stop7h 30m

Austin Bergstrom

Thu 1/22

4:55 pm-11:59 pm

1 stop8h 04m

$275

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 1/14

5:40 am-4:00 pm

1 stop9h 20m

Austin Bergstrom

Fri 1/23

1:59 pm-11:59 pm

2 stops11h 00m

$281

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 1/28

2:37 pm-9:25 pm

1 stop5h 48m

Austin Bergstrom

Wed 2/4

1:00 pm-9:23 pm

2 stops9h 23m

$302

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 1/28

6:05 am-3:00 pm

2 stops7h 55m

Austin Bergstrom

Wed 2/4

10:30 am-5:15 pm

2 stops7h 45m

$307

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 12/31

2:30 pm-11:15 pm

1 stop7h 45m

Austin Bergstrom

Sat 1/3

8:35 pm-1:00 am

1 stop5h 25m

$319

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 1/15

7:20 am-4:09 pm

1 stop7h 49m

Austin Bergstrom

Tue 1/20

6:00 am-2:22 pm

1 stop9h 22m

$333

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 11/20

2:11 pm-9:53 pm

1 stop6h 42m

Austin Bergstrom

Mon 11/24

7:30 am-1:30 pm

1 stop7h 00m

$423

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

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 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 $320.

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 $388 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 $304 on momondo.

How have Boise to Austin flight prices changed over time?

As of November 2025, prices for Boise to Austin flights are approximately 21% 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

Direct flights

None
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 58m 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
FrontierPriceFrom $189Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
DeltaPriceFrom $204Free CancellationRating
7.9
8,002 reviews
Search Delta flights
Alaska AirlinesPriceFrom $250Free CancellationRating
8.0
11,237 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $268Free CancellationRating
8.0
4,237 reviews
Search Southwest flights
American AirlinesPriceFrom $275Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights

Traveling to a place near Austin?

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