Cheap flights from Boise to Austin (BOI - AUS) from $73

This is the cheapest one-way flight price, found on 9/25. Prices may vary by date and flight preferences.
BOI — AUS
Sep 30 — Oct 71

The best prices from Boise Air Term. Gowen Fld to Austin Bergstrom are usually found in January or February, booked 60 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

How to find the cheapest flight from Boise (BOI) to Austin (AUS)

All the information you need to plan the best BOI to AUS flight in 2023: compare Boise to Austin flight prices with the expected peak season, weather and rainfall in Austin.

Popular in

December

Cheapest in

January

Average price

$303

Round-trip from

$237
High demand for flights, 23% potential price rise
Best time to find cheap flights, 26% potential price drop
Average for round-trip flights in September 2023
From Boise Air Term. Gowen Fld to Austin Bergstrom

BOI - AUS

Price

$237 - $415

AUS

Temperature

50 - 84.2 °F

AUS

Rainfall

2.1 - 4.2 inches

What is the cheapest day to fly round-trip from Boise to Austin?

Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 26% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 46% on flights from Boise to Austin compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $389. For sooner than that we have options available in the next 3 days from $524.

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

January can be a great time to fly to Austin from Boise with a flight ticket averaging about $363. Cheapflights users have found deals in the month of January for as cheap as $244. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Boise to Austin (BOI - AUS)?

One of the essential ways to save on airfare from Boise to Austin is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 14% on airfare.

Cheap Alaska Airlines flights from Boise to Austin

Peruse some of the lowest-priced Alaska Airlines flights we've found from Boise to Austin. Make sure to check back often as deals are often changing.

Cheap Spirit Airlines flights from Boise to Austin

To aid your search, here are some of the cheapest Spirit Airlines flights we've found from Boise to Austin. Deals are refreshing constantly so come back soon for more options.

Cheap Boise to Austin flights in September & October 2023

The best prices found for BOI to AUS flights for September, October
These are some of the most attractive deals on flights from Boise to Austin in 2023. More deals are always being added, so be sure to check back regularly.

Boise to Austin 2023 flight deals

Cheap flights to Austin from Boise found for this year
These are some of the most attractive deals on flights from Boise to Austin in 2023. More deals are always being added, so be sure to check back regularly.

Boise to Austin flights leaving soon

Late deals on return flights to Austin from Boise, departing today and this week
Check out these flights departing soon from Boise to Austin. Users should examine the flight details to ensure there are no surprises.

One-way flights to Austin from Boise

The cheapest one-way flights from Boise to Austin
Some of the best available deals we've found on one-way flights from Boise to Austin. Those needing a return flight from Boise to Austin can use the search form above.

Find flights from Boise to Austin within your budget

Use the slider to find flights from Boise to Austin that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$135 - $388

Route

Depart

Return

Price

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 10/17

1 stop24h 44m

Austin Bergstrom

Tue 10/24

1 stop27h 02m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 10/19

1 stop13h 02m

Austin Bergstrom

Tue 10/24

1 stop13h 05m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 10/24

2 stops8h 56m

Austin Bergstrom

Tue 10/31

1 stop13h 15m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 11/1

1 stop26h 46m

Austin Bergstrom

Sun 11/5

1 stop22h 34m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 10/9

1 stop18h 21m

Austin Bergstrom

Tue 10/10

1 stop13h 05m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 10/23

1 stop24h 44m

Austin Bergstrom

Mon 10/30

1 stop8h 21m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Sat 1/6

1 stop6h 55m

Austin Bergstrom

Mon 1/8

1 stop8h 50m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 1/18

2 stops8h 10m

Austin Bergstrom

Mon 1/22

1 stop5h 47m

Boise Air Term. Gowen FldAustin Bergstrom

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 2/22

2 stops14h 21m

Austin Bergstrom

Tue 2/27

2 stops11h 19m

Flights are sorted by cheapest first

Deals found on 9/24

Reviews of airlines servicing Austin

See what other customers who have flown with Alaska Airlines, Spirit Airlines and American Airlines 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
8.1
Very good
1,393 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Food

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Food

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Delta
7.9
Good
3,021 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Food

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Food

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Spirit Airlines
6.3
Okay
1,483 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Entertainment

7.2

Boarding

8.3

Crew

8.6

Comfort

8.0

Overall

8.1

Food

7.2

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Related info for your journey

Useful info, stats and facts about Boise to Austin flights.

Can I find flights from Boise to Austin for under $200 on Cheapflights?

Yes, there are multiple flights from Boise to Austin for under $200. The cheapest flight booked recently is on Spirit Airlines for just $135, but on average you can expect to pay $171.

Are there last-minute flights available from Boise to Austin for under $300?

There are currently 12+ open flights from Boise to Austin within the next 7 days for less than $300.

What is the cheapest airline to fly from Boise to Austin round-trip?

Flying on Spirit Airlines is currently your cheapest option to Austin, with prices starting at $135. Spirit Airlines is priced at 62% 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 $73. American Airlines flights start at $218 while deals on Alaska Airlines start at $274 one-way.

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

What are the most reliable airlines from Boise to Austin?

Consider American Airlines (97%), Alaska Airlines (96%) or Horizon Air (96%) when booking your flight. These represent the most reliable airlines when flying from Boise to Austin.

What does BOI to AUS mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Boise Air Term. Gowen Fld Airport to Austin Bergstrom Airport flight would often be abbreviated as a BOI to AUS flight.

Top 5 airlines flying from Boise to Austin

The chart below displays the airlines Cheapflights users traveling from Boise to Austin choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$133Average$325FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$138Average$389FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Spirit AirlinesCheapest$141Average$209FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$245Average$336FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$267Average$421FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Hourly flight availability from Boise to Austin

See what time of day planes typically take off from Boise to Austin
100%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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