HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Austin

$71+ Cheap flights from Boise to Austin (BOI - AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
déc. 13 — déc. 201
sam. 12/13
sam. 12/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Austin with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Austin Bergstrom are usually found in September or January, booked 45 days in advance, depart on a Wednesday or Tuesday and return on a Saturday

Cheap flight deals from Boise to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated novembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$134
(Expedia)

One-way from

$71
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$442
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Austin Bergstrom flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Austin Bergstrom flights.
Search Deals
From Boise Air Term. Gowen Fld to Austin Bergstrom
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Boise to Austin

Cheapest flights from Boise to Austin
Explore the most affordable flight options available from Boise to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 13, 2025.

This Expedia deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/1112:44 pmBOI - AUS
1 stop10h 30mFrontier
dim. 12/146:55 amAUS - BOI
1 stop5h 54mFrontier
Deal found 11/11$134
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/2112:48 pmBOI - AUS
1 stop9h 27mFrontier
lun. 11/2410:46 amAUS - BOI
1 stop10h 13mFrontier
Deal found 11/12$153
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/2112:48 pmBOI - AUS
1 stop9h 27mFrontier
sam. 11/2212:32 pmAUS - BOI
1 stop24h 16mFrontier
Deal found 11/11$179
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/2112:48 pmBOI - AUS
1 stop21h 49mFrontier
dim. 11/2310:06 pmAUS - BOI
2 stops22h 53mFrontier
Deal found 11/11$190
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/125:20 amBOI - AUS
1 stop7h 12mDelta
lun. 12/1512:06 pmAUS - BOI
1 stop9h 14mDelta
Deal found 11/11$197
This Kiwi.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/1212:44 pmBOI - AUS
1 stop10h 30mFrontier
sam. 12/206:45 amAUS - BOI
1 stop6h 14mFrontier
Deal found 11/12$228

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated novembre 13, 2025.
Use the filters below to find and compare flights from Boise to Austin that are best for you.

Fly from

Boise

Fly to

Austin

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

jeu. 1/15

12:54 pm-12:28 am

1 stop10h 34m

Austin Bergstrom

dim. 1/18

12:02 pm-11:54 am

2 stops24h 52m

$171

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

ven. 1/23

1:55 pm-11:59 pm

1 stop9h 04m

Austin Bergstrom

dim. 1/25

6:45 am-11:59 am

1 stop6h 14m

$172

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

jeu. 12/11

12:44 pm-10:15 am

2 stops20h 31m

Austin Bergstrom

dim. 12/14

6:55 am-11:49 am

1 stop5h 54m

$194

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

ven. 12/12

5:20 am-1:32 pm

1 stop7h 12m

Austin Bergstrom

lun. 12/15

12:06 pm-8:20 pm

1 stop9h 14m

$197

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

lun. 3/9

5:40 am-1:32 pm

1 stop6h 52m

Austin Bergstrom

mar. 3/10

11:50 am-8:13 pm

1 stop9h 23m

$197

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

ven. 12/12

12:44 pm-12:14 am

1 stop10h 30m

Austin Bergstrom

sam. 12/20

6:45 am-11:59 am

1 stop6h 14m

$228

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

sam. 12/13

5:20 am-1:32 pm

1 stop7h 12m

Austin Bergstrom

lun. 1/19

2:55 pm-8:57 pm

1 stop7h 02m

$244

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

ven. 12/12

12:44 pm-12:14 am

1 stop10h 30m

$71

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

mer. 12/10

3:39 pm-11:59 pm

1 stop7h 20m

$98

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

sam. 12/6

3:39 pm-11:59 pm

1 stop7h 20m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Showing 1-10 of 18 results
1
2

Compare providers for flights from Boise to Austin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Austin in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Austin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boise-Austin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boise-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Austin flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boise to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Austin

How far ahead should I book a flight from Boise to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Austin. Price data was last updated on November 7, 2025.

The best time to book flights from Boise to Austin is 45 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boise to Austin?

Currently, March is the cheapest month in which you can book a flight from Boise to Austin (average of $119). Flying from Boise to Austin in December is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to AUS?

Find hourly flight availability from Boise to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembre 13, 2025.

One of the essential ways to save on airfare from Boise to Austin is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 6% on airfare.

What is the cheapest day to fly from Boise to Austin?

Use this chart to determine the cheapest time to fly round-trip from Boise to Austin. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boise to Austin flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated novembre 13, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Austin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,288 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,288 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,017 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,051 reviews
Alaska Airlines
8.0
Very good
11,288 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Boise to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boise to Austin?

    There are many flights that can get you from Boise to Austin in 7h 12m. Fly via Frontier or Delta to get the fastest option. There are 1373 mi between Boise and Austin. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boise to Austin round-trip?

    Flying on Frontier is currently your cheapest option to Austin, with prices starting at $189. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $204 and $250, respectively. Frontier is priced at 50% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Boise to Austin one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $71. Alaska Airlines flights start at $98 while deals on Delta start at $99 one-way.

  • Can I find deals for flights from Boise to Austin that include hotel bookings?

    Yes. In addition to deals on Boise to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Austin.

  • Can I find deals for business class flights from Boise to Austin?

    Yes. Cheapflights offers flight deals from Boise to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Austin?

    Currently, March is the cheapest month in which you can book a flight from Boise to Austin (average of $119). Flying from Boise to Austin in December is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Austin?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Austin

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Dallas/Fort Worth flights
Boise to Dallas/Fort Worth flights
Spokane to Hobby flights
Idaho Falls to Dallas/Fort Worth flights
Boise to Hobby flights
Spokane to George Bush Intcntl flights
Boise to Love Field flights
Boise to George Bush Intcntl flights
Spokane to San Antonio flights
Spokane to Love Field flights
Spokane to Austin flights
Idaho Falls to Hobby flights
Idaho Falls to George Bush Intcntl flights
Boise to San Antonio flights
Idaho Falls to San Antonio flights
Jackson to Hobby flights
Jackson to Dallas/Fort Worth flights
Jackson to George Bush Intcntl flights
Lewiston to Hobby flights
Idaho Falls to Austin flights
Spokane to McAllen flights
Spokane to El Paso flights
Boise to El Paso flights
Hailey to Dallas/Fort Worth flights
Idaho Falls to Love Field flights
Lewiston to George Bush Intcntl flights
Boise to Midland flights
Pocatello to Hobby flights
Boise to Amarillo flights
Pocatello to Dallas/Fort Worth flights
Pocatello to George Bush Intcntl flights
Spokane to Lubbock flights
Jackson to Austin flights
Spokane to Amarillo flights
Jackson to El Paso flights
Jackson to San Antonio flights
Lewiston to Dallas/Fort Worth flights
Jackson to Love Field flights
Spokane to Midland flights
Hailey to San Antonio flights
Lewiston to El Paso flights
Pocatello to San Antonio flights
Pocatello to Austin flights
Spokane to Killeen flights
Boise to Tyler flights
Boise to Longview flights
Boise to Killeen flights

Top 6 airlines flying from Boise to Austin

Discover the top 6 airlines that operate flights from Boise to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated novembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$189Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$204Average$348FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$250Average$512FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$268Average$463FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$275Average$363FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$276Average$470FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.