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Cheap flights from Boise to Austin from $119

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 8/28. 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.
Frontier Logo
1:24 pm - 11:41 pm
BOI
-
AUS
9h 17m
1 stop
Frontier Logo
6:15 am - 12:29 pm
AUS
-
BOI
7h 14m
1 stop
$228Frontier
Tue, Aug 18 - Tue, Aug 25
Southwest Logo
3:45 pm - 12:10 am
BOI
-
AUS
7h 25m
1 stop
Southwest Logo
6:55 am - 10:50 am
AUS
-
BOI
4h 55m
1 stop
$237Southwest
Mon, Aug 17 - Mon, Aug 24
Southwest Logo
6:00 am - 12:30 pm
BOI
-
AUS
5h 30m
1 stop
Southwest Logo
8:05 am - 4:10 pm
AUS
-
BOI
9h 05m
1 stop
$237Southwest
Thu, Aug 20 - Wed, Aug 26
American Airlines Logo
5:19 pm - 11:48 pm
BOI
-
AUS
5h 29m
1 stop
American Airlines Logo
10:33 am - 4:49 pm
AUS
-
BOI
7h 16m
2 stops
$242American Airlines
Tue, Aug 18 - Tue, Aug 25
Frontier Logo
1:24 pm - 7:30 pm
BOI
-
AUS
5h 06m
1 stop
Frontier Logo
11:04 pm - 1:55 pm
AUS
-
BOI
15h 51m
1 stop
$260Frontier
Tue, Sep 1 - Thu, Sep 10
Alaska Airlines Logo
4:23 pm - 11:49 pm
BOI
-
AUS
6h 26m
1 stop
Alaska Airlines Logo
5:41 pm - 11:48 pm
AUS
-
BOI
7h 07m
1 stop
$277Alaska Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
2:50 pm - 10:09 pm
BOI
-
AUS
6h 19m
1 stop
Multiple Airlines Logo
7:07 pm - 9:56 am
AUS
-
BOI
15h 49m
1 stop
$290Multiple Airlines
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
7:02 am - 2:24 pm
BOI
-
AUS
6h 22m
1 stop
American Airlines Logo
2:26 pm - 10:03 pm
AUS
-
BOI
8h 37m
1 stop
$299American Airlines
Sat, Sep 12 - Sat, Sep 19
Alaska Airlines Logo
1:32 pm - 11:59 pm
BOI
-
AUS
9h 27m
1 stop
Alaska Airlines Logo
1:55 pm - 8:20 pm
AUS
-
BOI
7h 25m
1 stop
$299Alaska Airlines
Sat, Sep 5 - Wed, Sep 9
Multiple Airlines Logo
2:50 pm - 10:09 pm
BOI
-
AUS
6h 19m
1 stop
Multiple Airlines Logo
7:39 pm - 1:55 pm
AUS
-
BOI
19h 16m
2 stops
$334Multiple Airlines
Thu, Sep 17 - Sun, Sep 20

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American Airlines flights from Boise to Austin

Our best American Airlines deals on Boise to Austin flight tickets
American Airlines
Sep 12
BOI7:02 amBoise Air Term. Gowen Fld
6h 22m
1 stop
AUS2:24 pmAustin Bergstrom
Sep 19
AUS2:26 pmAustin Bergstrom
8h 37m
1 stop
BOI10:03 pmBoise Air Term. Gowen Fld
$299
American Airlines
Sep 4
BOI2:49 pmBoise Air Term. Gowen Fld
5h 44m
1 stop
AUS9:33 pmAustin Bergstrom
Sep 8
AUS6:00 amAustin Bergstrom
6h 16m
1 stop
BOI11:16 amBoise Air Term. Gowen Fld
$356

Alaska Airlines flights from Boise to Austin

Our best Alaska Airlines deals on Boise to Austin flight tickets
Alaska Airlines
Aug 13
BOI4:23 pmBoise Air Term. Gowen Fld
6h 26m
1 stop
AUS11:49 pmAustin Bergstrom
Aug 17
AUS5:41 pmAustin Bergstrom
7h 07m
1 stop
BOI11:48 pmBoise Air Term. Gowen Fld
$277
Alaska Airlines
Sep 11
BOI6:49 pmBoise Air Term. Gowen Fld
17h 26m
1 stop
AUS1:15 pmAustin Bergstrom
Sep 14
AUS4:24 pmAustin Bergstrom
7h 14m
1 stop
BOI10:38 pmBoise Air Term. Gowen Fld
$304
Alaska Airlines
Aug 19
BOI6:00 amBoise Air Term. Gowen Fld
9h 49m
1 stop
AUS4:49 pmAustin Bergstrom
Sep 3
AUS6:00 amAustin Bergstrom
9h 02m
1 stop
BOI2:02 pmBoise Air Term. Gowen Fld
$323

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 29, 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 8/18

1:24 pm-11:41 pm

1 stop9h 17m

Austin Bergstrom

Tue 8/25

6:15 am-12:29 pm

1 stop7h 14m

$228
Quickest round-trip

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 8/17

3:45 pm-12:10 am

1 stop7h 25m

Austin Bergstrom

Mon 8/24

6:55 am-10:50 am

1 stop4h 55m

$237

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 8/20

6:00 am-12:30 pm

1 stop5h 30m

Austin Bergstrom

Wed 8/26

8:05 am-4:10 pm

1 stop9h 05m

$237

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 8/18

5:19 pm-11:48 pm

1 stop5h 29m

Austin Bergstrom

Tue 8/25

10:33 am-4:49 pm

2 stops7h 16m

$242

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 9/1

1:24 pm-7:30 pm

1 stop5h 06m

Austin Bergstrom

Thu 9/10

11:04 pm-1:55 pm

1 stop15h 51m

$260

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 8/13

4:23 pm-11:49 pm

1 stop6h 26m

Austin Bergstrom

Mon 8/17

5:41 pm-11:48 pm

1 stop7h 07m

$277

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 9/24

2:50 pm-10:09 pm

1 stop6h 19m

Austin Bergstrom

Mon 9/28

7:07 pm-9:56 am

1 stop15h 49m

$290

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 9/12

7:02 am-2:24 pm

1 stop6h 22m

Austin Bergstrom

Sat 9/19

2:26 pm-10:03 pm

1 stop8h 37m

$299

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 9/5

1:32 pm-11:59 pm

1 stop9h 27m

Austin Bergstrom

Wed 9/9

1:55 pm-8:20 pm

1 stop7h 25m

$299

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 9/17

2:50 pm-10:09 pm

1 stop6h 19m

Austin Bergstrom

Sun 9/20

7:39 pm-1:55 pm

2 stops19h 16m

$334

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?

Prices are currently low for flights on this route.

Typical prices usually range from $300 to $503.
The lowest price recently found on this route was $228.

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 $400 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 $289 on momondo.

How have Boise to Austin flight prices changed over time?

As of July 2026, prices for Boise to Austin flights are approximately 24% 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

5h 06m

Direct flights

None
The fastest flight from Boise to Austin takes 5h 06m
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 5h 06m 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 $154Free CancellationRating
5.6
2,749 reviews
Search Frontier flights
DeltaPriceFrom $236Free CancellationRating
7.8
8,486 reviews
Search Delta flights
Alaska AirlinesPriceFrom $250Free CancellationRating
7.9
12,728 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $262Free CancellationRating
8.0
4,227 reviews
Search Southwest flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
10,052 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,839 reviews
Search American Airlines flights

  • Southwest Flights From Boise to Austin

    The lowest priced Southwest flight from Boise to Austin from the last 72 hours was $262. Generally, Southwest has 2 flights on this route every week with an average price of $440. Southwest is rated 8.0/10 by our users.

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
Marble Falls
Cedar Park
Georgetown
Dripping Springs
Seguin
Horseshoe Bay
Canyon Lake
Kyle
Bastrop
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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