BOI - AUS

$150 Find Cheap Flights from Boise to Austin - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$228
Typical prices: $298-$471
Frontier
Fri 9/14Sun 9/23
BOI - AUS • 1 stop
Cheapest one-way
$150
Typical prices: $186-$368
Alaska Airlines
Wed 9/26
BOI - AUS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boise and Austin. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
16 weeks
in advance
Our data shows that travelers who book at least 16 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 28% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Diego (SAN)
Cheapest • Avg $282 (round-trip)
Salt Lake City (SLC)
Shortest trip • 5h 18m (one-way)
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Insights
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Flight Deals

Cheap Flights from Boise to Austin (BOI-AUS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Austin

Mon, Sep 14 - Wed, Sep 23
Frontier Logo
2:50 pm - 2:37 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
22h 47m1 stop Las Vegas Harry Reid Intl
Frontier Logo
3:32 pm - 1:55 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
23h 23m1 stop Las Vegas Harry Reid Intl
$228Frontier
Mon, Sep 14 - Thu, Sep 17
Frontier Logo
2:50 pm - 2:37 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
22h 47m1 stop Las Vegas Harry Reid Intl
Frontier Logo
12:12 pm - 1:55 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
26h 43m1 stop Las Vegas Harry Reid Intl
$250Frontier
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
2:50 pm - 10:09 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 19m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:07 pm - 9:56 amAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
15h 49m1 stop Seattle/Tacoma Intl
$275Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Delta Logo
6:00 am - 11:27 amBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
4h 27m1 stop Salt Lake City
Delta Logo
7:15 am - 2:44 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
8h 29m1 stop Los Angeles Los Angeles
$299Delta
Sat, Sep 12 - Wed, Sep 16
Delta Logo
6:00 am - 1:11 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 11m1 stop Salt Lake City
Delta Logo
4:15 pm - 10:59 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
7h 44m1 stop Los Angeles Los Angeles
$299Delta
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
7:02 am - 2:24 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 22m1 stop Dallas/Fort Worth
American Airlines Logo
2:26 pm - 10:03 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
8h 37m1 stop Phoenix Sky Harbor Intl
$299American Airlines
Wed, Oct 21 - Sat, Oct 24
American Airlines Logo
5:29 pm - 11:51 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
5h 22m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
8:00 am - 1:51 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
6h 51m1 stop Dallas/Fort Worth
$299American Airlines
Wed, Sep 23 - Tue, Sep 29
Alaska Airlines Logo
4:27 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 32m1 stop Portland
Alaska Airlines Logo
8:30 am - 3:30 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
8h 00m1 stop Seattle/Tacoma Intl
$299Alaska Airlines
Mon, Sep 21 - Mon, Sep 28
Alaska Airlines Logo
7:48 pm - 3:21 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
18h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:07 pm - 9:56 amAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
15h 49m1 stop Seattle/Tacoma Intl
$299Alaska Airlines
Thu, Sep 10 - Sat, Sep 12
Multiple Airlines Logo
2:50 pm - 10:09 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 19m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:15 am - 1:14 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
6h 59m1 stop Portland
$323Multiple Airlines
Booking Insights

Price, demand and travel trends for Boise to Austin flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boise to Austin with more confidence.

How much is a round-trip flight from Boise to Austin?

Round-trip flights from Boise to Austin start at $228. Prices are below average for this route right now, with typical round-trip fares ranging from $298 to $471. The lowest price found in the past 5 days was $228 on Frontier.

What's the cheapest day of the week to fly from Boise to Austin?

Thursday is the cheapest day of the week to fly from Boise to Austin, it is 11% cheaper than the average day. Sunday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Boise to Austin at $284 round-trip.
  • July ($600) and March ($464) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 111% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boise to Austin the cheapest?

Flights from Boise to Austin are cheapest 16 weeks before departure. Booking in this window typically costs about 53% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boise to Austin flights

Low season

January

Cheapest flight

$150
Best time to beat the crowds with an average 28% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Boise to Austin

When to book flights from Boise to Austin

Are your dates flexible? Find out the best times to travel from Boise to Austin based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boise to Austin flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Boise to Austin?

    Flights from Boise to Austin usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Austin Bergstrom (AUS).

  • What cabin classes can I book on flights from Boise to Austin?

    Two cabin classes are available on flights from Boise to Austin:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Boise to Austin pass through?

    One-stop flights from Boise to Austin most commonly connect through:

    • Denver Intl (DEN) - 47% of one-stop connections
    • Salt Lake City (SLC) - 26% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 10% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 5% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Boise to Austin?

    Yes. Being flexible with your travel dates can save you up to 19% on the Boise to Austin route. Thursday is the cheapest departure day at $352 round-trip on average, while Sunday is the most expensive at $434, a difference of $82. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Austin?

    Some of the most popular sights in Austin are Sixth Street, University of Texas at Austin and ACL Live at The Moody Theater. These are among the most viewed places in Austin on KAYAK.

  • How expensive are last-minute Boise to Austin flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 55% above the route average of $392. Book 16 weeks before departure for the lowest fares.

  • How long is a flight from Boise to Austin?

    A nonstop flight from Boise to Austin takes 0h 00m, covering 1,373 miles.

  • Do I need a passport to fly from Boise to Austin?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Boise to Austin changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $228 to $1,341. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Boise to Austin looking right now?

    One-way fares from Boise to Austin are currently lower than usual. Average one-way flight prices are about $186, which is 26% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Boise to Austin?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 18m, compared with 5h 31m via Phoenix Sky Harbor Intl (PHX) and 6h 03m via Dallas/Fort Worth (DFW).

  • What is the time difference between Boise and Austin?

    Austin is 1 hour ahead of Boise (Central Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Austin Bergstrom Airport (AUS)?

    Austin Bergstrom Airport (AUS) hosts 5 major car rental companies, with daily rates starting from around $13 for economy cars. Top options include:
    · Europcar
    · Hertz
    · Fox
    · Easirent
    · Thrifty

  • How much should I expect to pay for a Boise to Austin flight?

    Round-trip flights from Boise to Austin range from $298 to $471, with an average of $392 over the past 12 months. Anything below $298 counts as a good deal.

Your guide to booking Boise to Austin flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $352 - about $82 less than Sunday (19% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 16 weeks before you fly. On this route, that window historically saves about 53% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to Austin trip for January. Fares historically average $284 round-trip in that month - typically $316 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Austin Bergstrom Airport.
    - Hyatt Place Austin Airport
    - Microtel Inn and Suites by Wyndham Austin Airport
    - Courtyard by Marriott Austin Airport

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

Information on your arrival and departure airports

Boise (BOI)
Austin (AUS)