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Cheap flights from Boise to Austin from $123

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 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:23 am - 3:11 pm
BOI
-
AUS
7h 48m
1 stop
Alaska Airlines Logo
4:14 pm - 11:44 pm
AUS
-
BOI
8h 30m
1 stop
$251Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
Frontier Logo
1:24 pm - 12:07 am
BOI
-
AUS
9h 43m
1 stop
Frontier Logo
2:25 pm - 12:29 pm
AUS
-
BOI
23h 04m
1 stop
$254Frontier
Thu, Aug 6 - Mon, Aug 10
Frontier Logo
1:24 pm - 12:07 am
BOI
-
AUS
9h 43m
1 stop
Frontier Logo
6:30 am - 12:29 pm
AUS
-
BOI
6h 59m
1 stop
$255Frontier
Tue, Jul 7 - Tue, Jul 14
Frontier Logo
1:24 pm - 1:30 pm
BOI
-
AUS
23h 06m
1 stop
Frontier Logo
8:12 pm - 12:29 pm
AUS
-
BOI
17h 17m
1 stop
$256Frontier
Tue, Jul 21 - Sat, Aug 1
Southwest Logo
7:05 am - 1:20 pm
BOI
-
AUS
5h 15m
1 stop
Southwest Logo
4:25 pm - 11:00 pm
AUS
-
BOI
7h 35m
2 stops
$257Southwest
Wed, Sep 23 - Wed, Oct 14
Alaska Airlines Logo
6:23 am - 3:11 pm
BOI
-
AUS
7h 48m
1 stop
Alaska Airlines Logo
4:14 pm - 11:44 pm
AUS
-
BOI
8h 30m
1 stop
$263Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
Frontier Logo
1:24 pm - 12:07 am
BOI
-
AUS
9h 43m
1 stop
Frontier Logo
2:25 pm - 12:09 pm
AUS
-
BOI
22h 44m
1 stop
$273Frontier
Tue, Aug 4 - Mon, Aug 17
Frontier Logo
1:24 pm - 12:07 am
BOI
-
AUS
9h 43m
1 stop
Frontier Logo
6:30 am - 12:29 pm
AUS
-
BOI
6h 59m
1 stop
$276Frontier
Tue, Aug 4 - Sun, Aug 9
Frontier Logo
1:24 pm - 7:27 pm
BOI
-
AUS
5h 03m
1 stop
Frontier Logo
6:30 am - 12:29 pm
AUS
-
BOI
6h 59m
1 stop
$277Frontier
Thu, Jul 9 - Tue, Jul 14
Multiple Airlines Logo
8:03 am - 6:04 pm
BOI
-
AUS
9h 01m
1 stop
Multiple Airlines Logo
6:45 am - 12:04 pm
AUS
-
BOI
6h 19m
1 stop
$280Multiple Airlines
Wed, Sep 23 - Sun, Sep 27

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Delta flights from Boise to Austin

Our best Delta deals on Boise to Austin flight tickets
Delta
Oct 5
BOI11:10 amBoise Air Term. Gowen Fld
5h 03m
1 stop
AUS5:13 pmAustin Bergstrom
Oct 19
AUS4:30 pmAustin Bergstrom
7h 38m
1 stop
BOI11:08 pmBoise Air Term. Gowen Fld
$301
Delta
Sep 23
BOI6:00 amBoise Air Term. Gowen Fld
4h 27m
1 stop
AUS11:27 amAustin Bergstrom
Sep 27
AUS7:20 amAustin Bergstrom
8h 24m
1 stop
BOI2:44 pmBoise Air Term. Gowen Fld
$359
Delta
Jun 24
BOI1:11 pmBoise Air Term. Gowen Fld
7h 21m
1 stop
AUS9:32 pmAustin Bergstrom
Jul 7
AUS12:20 pmAustin Bergstrom
6h 31m
1 stop
BOI5:51 pmBoise Air Term. Gowen Fld
$476

Frontier flights from Boise to Austin

Our best Frontier deals on Boise to Austin flight tickets
Frontier
Aug 6
BOI1:24 pmBoise Air Term. Gowen Fld
9h 43m
1 stop
AUS12:07 amAustin Bergstrom
Aug 10
AUS2:25 pmAustin Bergstrom
23h 04m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
$254
Frontier
Jul 7
BOI1:24 pmBoise Air Term. Gowen Fld
9h 43m
1 stop
AUS12:07 amAustin Bergstrom
Jul 14
AUS6:30 amAustin Bergstrom
6h 59m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
$255
Frontier
Jul 21
BOI1:24 pmBoise Air Term. Gowen Fld
23h 06m
1 stop
AUS1:30 pmAustin Bergstrom
Aug 1
AUS8:12 pmAustin Bergstrom
17h 17m
1 stop
BOI12:29 pmBoise Air Term. Gowen Fld
$256

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 June 14, 2026.
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

Cheapest round-trip

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 8/25

6:23 am-3:11 pm

1 stop7h 48m

Austin Bergstrom

Wed 8/26

4:14 pm-11:44 pm

1 stop8h 30m

$251

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 8/6

1:24 pm-12:07 am

1 stop9h 43m

Austin Bergstrom

Mon 8/10

2:25 pm-12:29 pm

1 stop23h 04m

$254

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 7/7

1:24 pm-12:07 am

1 stop9h 43m

Austin Bergstrom

Tue 7/14

6:30 am-12:29 pm

1 stop6h 59m

$255

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 7/21

1:24 pm-1:30 pm

1 stop23h 06m

Austin Bergstrom

Sat 8/1

8:12 pm-12:29 pm

1 stop17h 17m

$256

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 9/23

7:05 am-1:20 pm

1 stop5h 15m

Austin Bergstrom

Wed 10/14

4:25 pm-11:00 pm

2 stops7h 35m

$257

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 8/25

6:23 am-3:11 pm

1 stop7h 48m

Austin Bergstrom

Wed 8/26

4:14 pm-11:44 pm

1 stop8h 30m

$263

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 8/4

1:24 pm-12:07 am

1 stop9h 43m

Austin Bergstrom

Mon 8/17

2:25 pm-12:09 pm

1 stop22h 44m

$273

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 8/4

1:24 pm-12:07 am

1 stop9h 43m

Austin Bergstrom

Sun 8/9

6:30 am-12:29 pm

1 stop6h 59m

$276
Quickest round-trip

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 7/9

1:24 pm-7:27 pm

1 stop5h 03m

Austin Bergstrom

Tue 7/14

6:30 am-12:29 pm

1 stop6h 59m

$277

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 9/23

8:03 am-6:04 pm

1 stop9h 01m

Austin Bergstrom

Sun 9/27

6:45 am-12:04 pm

1 stop6h 19m

$280

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 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 January. Flight prices, which tend to average around $284, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in January, then December is your next best option. Flight prices from Boise to Austin during December average around $313.

How far in advance should I book a flight from Boise 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 $396 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 $282 on momondo.

How have Boise to Austin flight prices changed over time?

As of June 2026, prices for Boise to Austin flights are approximately 14% cheaper 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 27m

Direct flights

None
The fastest flight from Boise to Austin takes 4h 27m
There are no direct flights from Boise to Austin. There are no popular flight routes from Boise to Austin.
Search flight deals

Frequently asked questions about flying from Boise to Austin

  • 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 27m 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 $164Free CancellationRating
5.6
2,890 reviews
Search Frontier flights
SouthwestPriceFrom $216Free CancellationRating
7.9
4,234 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,403 reviews
Search Delta flights
Alaska AirlinesPriceFrom $250Free CancellationRating
7.9
12,507 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
9,820 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,657 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
Wimberley
San Marcos
Round Rock
Cedar Park
Georgetown
Marble Falls
Canyon Lake
Horseshoe Bay
Dripping Springs
Seguin
Bastrop
Kyle
Pflugerville
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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