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$102+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Austin Bergstrom are usually found in August or July, booked 64 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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$204
(CheapOair)

One-way from

$102
(Cheapflightsfares)

Popular in

November

Cheapest in

August

Average price

$466
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.
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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. 11% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 25, 2025.

This CheapOair deal was found by Cheapflights users on 3/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/181:52 pmBOI - AUS
1 stop19h 38mSpirit Airlines
Thu 4/249:20 pmAUS - BOI
1 stop16h 37mSpirit Airlines
Deal found 3/24$204
This Mytrip deal was found by Cheapflights users on 3/24. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/281:52 pmBOI - AUS
1 stop10h 00mMultiple Airlines
Mon 5/55:30 amAUS - BOI
2 stops17h 15mMultiple Airlines
Deal found 3/24$223
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:18 pmBOI - AUS
1 stop5h 07mAmerican Airlines
Mon 5/56:10 pmAUS - BOI
1 stop6h 22mAmerican Airlines
Deal found 3/24$245
This Delta deal was found by Cheapflights users on 3/24. 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.
Sat 4/191:00 pmBOI - AUS
1 stop6h 53mDelta
Thu 4/245:30 pmAUS - BOI
1 stop7h 33mDelta
Deal found 3/24$256
This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/132:41 pmBOI - AUS
1 stop8h 07mHawaiian Airlines
Sat 5/179:30 amAUS - BOI
1 stop8h 41mHawaiian Airlines
Deal found 3/24$267
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1810:40 amBOI - AUS
1 stop7h 35mSouthwest
Mon 4/218:00 pmAUS - BOI
1 stop5h 50mSouthwest
Deal found 3/24$268
This United Airlines deal was found by Cheapflights users on 3/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/132:00 pmBOI - AUS
2 stops8h 54mUnited Airlines
Sat 5/175:30 amAUS - BOI
1 stop6h 51mUnited Airlines
Deal found 3/24$273
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/188:59 pmBOI - AUS
1 stop8h 16mAlaska Airlines
Wed 4/238:45 amAUS - BOI
2 stops8h 56mAlaska Airlines
Deal found 3/24$326

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 March 25, 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

Fri 4/18

1:52 pm-10:30 am

1 stop19h 38m

Austin Bergstrom

Thu 4/24

9:20 pm-12:57 pm

1 stop16h 37m

$204

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 4/28

1:52 pm-12:52 am

1 stop10h 00m

Austin Bergstrom

Mon 5/5

5:30 am-9:45 pm

2 stops17h 15m

$223

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 4/28

5:18 pm-11:25 pm

1 stop5h 07m

Austin Bergstrom

Mon 5/5

6:10 pm-11:32 pm

1 stop6h 22m

$245

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 4/19

1:00 pm-8:53 pm

1 stop6h 53m

Austin Bergstrom

Thu 4/24

5:30 pm-12:03 am

1 stop7h 33m

$256

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 5/13

2:41 pm-11:48 pm

1 stop8h 07m

Austin Bergstrom

Sat 5/17

9:30 am-5:11 pm

1 stop8h 41m

$267

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 4/18

10:40 am-7:15 pm

1 stop7h 35m

Austin Bergstrom

Mon 4/21

8:00 pm-12:50 am

1 stop5h 50m

$268

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 5/13

1:35 pm-10:45 pm

2 stops8h 10m

Austin Bergstrom

Sat 5/17

5:40 am-12:39 pm

1 stop7h 59m

$273

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 4/18

8:59 pm-6:15 am

1 stop8h 16m

Austin Bergstrom

Wed 4/23

8:45 am-4:41 pm

2 stops8h 56m

$326

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 5/2

1:52 pm-12:52 am

1 stop10h 00m

$102

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 4/23

4:20 pm-11:48 pm

1 stop6h 28m

$116

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Austin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 21, 2025.

The best time to book flights from Boise to Austin is 64 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, January is the cheapest month in which you can book a flight from Boise to Austin (average of $286). Flying from Boise to Austin in March is currently the most expensive (average of $362). 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 March 25, 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 7% 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.

Rainfall in Austin by month

Plan your trip to Austin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

Plan your trip to Austin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

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 March 25, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Boise to Austin have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,782 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,330 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,782 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    Flying on Spirit Airlines is currently your cheapest option to Austin, with prices starting at $204. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $245 and $256, respectively. Spirit Airlines is priced at 45% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $102. Hawaiian Airlines flights start at $116 while deals on Southwest start at $122 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, January is the cheapest month in which you can book a flight from Boise to Austin (average of $286). Flying from Boise to Austin in March is currently the most expensive (average of $362). 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 Boise?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boise to Austin

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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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$219FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$236Average$414FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$340FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$245Average$465FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$253Average$372FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$309Average$472FlexibilityNo cancel feeOn-time63%
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