How long is the flight from Boise to Austin?

There are many flights that can get you from Boise to Austin in 6h 20m. Fly via Frontier, United Airlines, or American Airlines 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 $164. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $191 and $250, respectively. Frontier is priced at 54% 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 Delta, which is currently one of the cheapest options available, starting at $98. Southwest flights start at $108 while deals on American Airlines start at $138 one-way.

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.

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).

What are the most popular airlines that fly from Boise to Austin?

When booking a flight from Boise to Austin, you may want to consider flying on Delta, Southwest or American Airlines as they are the most popular for this route.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boise to Austin as you normally would.

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.

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.

$65+ Flights from Boise to Austin

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Cheap 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 January 2, 2026.

Wed 12/318:21 pmBOI - AUS

1 stop19h 25mAlaska Airlines

Sun 1/46:20 amAUS - BOI

1 stop16h 47mAlaska Airlines

Deal found 12/31

$738

Wed 12/316:55 pmBOI - AUS

1 stop9h 08mUnited Airlines

Sat 1/37:05 amAUS - BOI

2 stops11h 58mUnited Airlines

Deal found 12/31

$744

Wed 12/316:19 pmBOI - AUS

2 stops14h 26mDelta

Sat 1/32:40 pmAUS - BOI

2 stops9h 17mDelta

Deal found 12/31

$2,298

Wed 12/316:19 pmBOI - AUS

2 stops14h 26mDelta

Sun 1/42:40 pmAUS - BOI

2 stops10h 39mDelta

Deal found 12/31

$2,498

Best flights from Boise to Austin
Discover carefully curated flight deals from Boise to Austin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

Fri 1/2312:07 pmBOI - AUS

1 stop6h 20mFrontier

Sun 1/258:15 pmAUS - BOI

1 stop15h 57mFrontier

Deal found 1/1

$215

Thu 1/2210:48 amBOI - AUS

1 stop6h 39mUnited Airlines

Mon 1/263:10 pmAUS - BOI

1 stop7h 13mUnited Airlines

Deal found 1/1

$217

Sun 1/187:20 amBOI - AUS

1 stop6h 49mAmerican Airlines

Sun 1/256:05 amAUS - BOI

1 stop8h 03mAmerican Airlines

Deal found 1/1

$236

Wed 1/286:23 amBOI - AUS

1 stop8h 31mAlaska Airlines

Wed 2/412:30 pmAUS - BOI

1 stop7h 55mAlaska Airlines

Deal found 12/31

$250

Fri 1/302:37 pmBOI - AUS

1 stop5h 48mUnited Airlines

Tue 2/31:58 pmAUS - BOI

1 stop6h 53mUnited Airlines

Deal found 12/31

$251

Wed 1/282:20 pmBOI - AUS

1 stop6h 56mUnited Airlines

Wed 2/41:58 pmAUS - BOI

2 stops8h 25mUnited Airlines

Deal found 12/31

$256

Tue 1/272:37 pmBOI - AUS

2 stops7h 22mUnited Airlines

Tue 2/33:10 pmAUS - BOI

1 stop7h 13mUnited Airlines

Deal found 12/31

$256

Last-minute flights from Boise to Austin
Discover last-minute flight deals from Boise to Austin. Data last updated January 2, 2026 and is based on user searches.

Sat 1/176:23 amBOI - AUS

1 stop8h 31mAlaska Airlines

Tue 2/36:00 amAUS - BOI

1 stop8h 45mAlaska Airlines

Deal found 1/1

$269

Sun 1/187:20 amBOI - AUS

1 stop6h 49mAmerican Airlines

Sun 1/256:05 amAUS - BOI

1 stop8h 03mAmerican Airlines

Deal found 12/31

$236

Thu 1/2210:48 amBOI - AUS

1 stop6h 39mUnited Airlines

Mon 1/263:10 pmAUS - BOI

1 stop7h 13mUnited Airlines

Deal found 1/1

$217

Fri 1/2312:07 pmBOI - AUS

1 stop6h 20mFrontier

Sun 1/258:15 pmAUS - BOI

1 stop15h 57mFrontier

Deal found 1/1

$215

Fri 1/2310:48 amBOI - AUS

1 stop6h 39mUnited Airlines

Sun 1/255:10 amAUS - BOI

2 stops9h 25mUnited Airlines

Deal found 1/1

$281

Tue 1/276:23 amBOI - AUS

1 stop8h 31mAlaska Airlines

Tue 2/37:15 amAUS - BOI

1 stop8h 55mAlaska Airlines

Deal found 12/31

$250

Wed 1/2810:48 amBOI - AUS

1 stop6h 39mUnited Airlines

Sun 2/14:51 pmAUS - BOI

1 stop6h 01mUnited Airlines

Deal found 1/1

$261

Wed 1/286:23 amBOI - AUS

1 stop8h 31mAlaska Airlines

Sun 2/17:59 pmAUS - BOI

2 stops16h 49mAlaska Airlines

Deal found 1/1

$265

Thu 1/293:43 pmBOI - AUS

1 stop7h 16mAlaska Airlines

Mon 2/25:39 pmAUS - BOI

1 stop7h 19mAlaska Airlines

Deal found 12/31

$260

Fri 1/3012:07 pmBOI - AUS

1 stop6h 20mMultiple Airlines

Fri 2/69:01 pmAUS - BOI

2 stops42h 07mMultiple Airlines

Deal found 12/31

$246

Fri 1/306:10 amBOI - AUS

1 stop5h 46mUnited Airlines

Tue 2/31:00 pmAUS - BOI

1 stop6h 07mUnited Airlines

Deal found 1/1

$251

One-way flights from Boise to Austin
Search for one-way flight options from Boise to Austin. Find affordable one-way fares based on user searches. Data last updated January 2, 2026.

Fri 1/3012:07 pmBOI - AUS

1 stop11h 09mFrontier

Deal found 1/1

$65

Sat 1/3112:37 pmBOI - AUS

1 stop6h 07mAmerican Airlines

Deal found 1/1

$109

Sat 1/319:48 amBOI - AUS

2 stops10h 42mUnited Airlines

Deal found 1/1

$114

Fri 1/3012:07 pmBOI - AUS

3 stops32h 28mMultiple Airlines

Deal found 1/1

$119

Sun 3/87:07 amBOI - AUS

1 stop7h 36mUnited Airlines

Deal found 1/1

$153

Sun 3/84:25 pmBOI - AUS

2 stops6h 05mSouthwest

Deal found 1/1

$158

Sun 3/82:50 pmBOI - AUS

3 stops30h 10mMultiple Airlines

Deal found 1/1

$201

Sat 1/318:58 pmBOI - AUS

3 stops41h 56mMultiple Airlines

Deal found 1/1

$292

Mon 1/59:46 pmBOI - AUS

3 stops48h 10mMultiple Airlines

Deal found 1/1

$301

Find flight deals from Boise to Austin

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$218 (Frontier)
One-way from	$65 (Trip.com)
Popular in	March
Cheapest in	September
Average price	$300

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. 5% potential increase in price ($20 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 1/23

12:07 pm-7:27 pm

1 stop6h 20m

Austin Bergstrom

Sun 1/25

8:15 pm-11:12 am

1 stop15h 57m

$215

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 1/22

10:48 am-6:27 pm

1 stop6h 39m

Austin Bergstrom

Mon 1/26

3:10 pm-9:23 pm

1 stop7h 13m

$217

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sun 1/18

7:20 am-3:09 pm

1 stop6h 49m

Austin Bergstrom

Sun 1/25

6:05 am-1:08 pm

1 stop8h 03m

$236

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 1/28

6:23 am-3:54 pm

1 stop8h 31m

Austin Bergstrom

Wed 2/4

12:30 pm-7:25 pm

1 stop7h 55m

$250

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 1/30

2:37 pm-9:25 pm

1 stop5h 48m

Austin Bergstrom

Tue 2/3

1:58 pm-7:51 pm

1 stop6h 53m

$251

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 1/28

2:20 pm-10:16 pm

1 stop6h 56m

Austin Bergstrom

Wed 2/4

1:58 pm-9:23 pm

2 stops8h 25m

$256

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 1/27

2:37 pm-10:59 pm

2 stops7h 22m

Austin Bergstrom

Tue 2/3

3:10 pm-9:23 pm

1 stop7h 13m

$256

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 1/30

12:07 pm-12:16 am

1 stop11h 09m

$65

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 1/31

12:37 pm-7:44 pm

1 stop6h 07m

$109

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 1/31

9:48 am-9:30 pm

2 stops10h 42m

$114

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 16 results

Compare providers for flights from Boise to Austin

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Austin in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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?

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 $104). Flying from Boise to Austin in August is currently the most expensive (average of $244). 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.

Reviews of airlines servicing Austin

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines 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.

Southwest

8.0

Very good

4,254 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

8.0

Very good

4,254 reviews

Southwest

8.0

Very good

4,254 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,021 reviews

Southwest

8.0

Very good

4,254 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,132 reviews

Southwest

8.0

Very good

4,254 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,074 reviews

Southwest

8.0

Very good

4,254 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.7

Fair

3,069 reviews

Southwest

8.0

Very good

4,254 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Boise to Austin?
There are many flights that can get you from Boise to Austin in 6h 20m. Fly via Frontier, United Airlines, or American Airlines 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 $164. Additional round-trip tickets that might be worth considering are offered by Delta and Alaska Airlines, with the lowest prices starting at $191 and $250, respectively. Frontier is priced at 54% 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 Delta, which is currently one of the cheapest options available, starting at $98. Southwest flights start at $108 while deals on American Airlines start at $138 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 $104). Flying from Boise to Austin in August is currently the most expensive (average of $244). 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

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Top 6 airlines flying from Boise to Austin

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$179	Average$248	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$204	Average$339	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$250	Average$478	FlexibilityNo cancel fee	On-time75%
Southwest	Cheapest$255	Average$391	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$275	Average$352	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$279	Average$415	FlexibilityNo cancel fee	On-time69%

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$65+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Austin with Cheapflights

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Cheap flight deals from Boise to Austin

Cheapest flights from Boise to AustinExplore 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 January 2, 2026.

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 January 2, 2026.

Find flight deals from Boise to Austin

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boise to Austin that are best for you.

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 January.

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.

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?

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

Reviews of airlines servicing Austin

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines 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.

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?

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

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

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

How can I find direct flights from Boise to Austin?

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

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

Traveling to a place near Austin?

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Top 6 airlines flying from Boise to Austin

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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 January 2, 2026.