AUS - BOI

$128 Find Cheap Flights from Austin to Boise - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$240
Typical prices: $297-$498
Frontier
Mon 9/24Mon 10/1
AUS - BOI • 1 stop
Cheapest one-way
$128
Typical prices: $185-$377
Frontier
Mon 9/24
AUS - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Austin and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
11 weeks
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 23% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $196 (round-trip)
Salt Lake City (SLC)
Shortest trip • 5h 24m (one-way)
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Insights
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We hope you love your trip to Boise!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Austin to Boise (AUS-BOI)

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

Recent round-trip flight deals from Austin to Boise

Thu, Sep 24 - Thu, Oct 1
Frontier Logo
11:04 pm - 1:55 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
15h 51m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:50 pm - 11:15 amBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
19h 25m1 stop Las Vegas Harry Reid Intl
$240Frontier
Thu, Sep 17 - Mon, Sep 21
Frontier Logo
11:04 pm - 1:55 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
15h 51m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:50 pm - 2:37 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
22h 47m1 stop Las Vegas Harry Reid Intl
$250Frontier
Mon, Sep 21 - Mon, Sep 28
Delta Logo
4:15 pm - 10:59 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
7h 44m1 stop Los Angeles
Delta Logo
4:00 pm - 11:25 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 25m1 stop Los Angeles
$299Delta
Mon, Jan 25 - Wed, Jan 27
United Airlines Logo
4:32 pm - 9:16 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
5h 44m1 stop Denver Intl
United Airlines Logo
2:43 pm - 8:56 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
5h 13m1 stop Denver Intl
$299United Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
1:39 pm - 7:19 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
6h 40m1 stop San Francisco
United Airlines Logo
5:30 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
5h 29m1 stop Denver Intl
$299United Airlines
Sat, Oct 3 - Sat, Oct 17
American Airlines Logo
6:00 am - 1:00 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
8h 00m1 stop Dallas/Fort Worth
American Airlines Logo
12:14 pm - 9:33 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
8h 19m1 stop Dallas/Fort Worth
$299American Airlines
Sat, Oct 3 - Mon, Oct 5
American Airlines Logo
6:00 am - 1:00 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
8h 00m1 stop Dallas/Fort Worth
American Airlines Logo
2:41 pm - 10:43 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
7h 02m1 stop Dallas/Fort Worth
$299American Airlines
Sat, Sep 26 - Tue, Sep 29
Alaska Airlines Logo
7:15 am - 1:14 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
6h 59m1 stop Portland
Alaska Airlines Logo
1:31 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
9h 28m1 stop Portland
$299Alaska Airlines
Sat, Sep 12 - Wed, Sep 16
Alaska Airlines Logo
7:15 am - 1:14 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
6h 59m1 stop Portland
Alaska Airlines Logo
4:27 pm - 11:59 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 32m1 stop Portland
$299Alaska Airlines
Wed, Sep 9 - Fri, Sep 11
Delta Logo
7:15 am - 2:44 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
8h 29m1 stop Los Angeles
Delta Logo
11:12 am - 5:11 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
4h 59m1 stop Salt Lake City
$367Delta
Booking Insights

Price, demand and travel trends for Austin to Boise flights

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

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

Round-trip flights from Austin to Boise start at $240. Prices are below average for this route right now, with typical round-trip fares ranging from $297 to $498. The lowest price found in the past 5 days was $240 on Frontier.

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

Tuesday is the cheapest day of the week to fly from Austin to Boise, it is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 29% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from Austin to Boise at $297 round-trip.
  • June ($510) and March ($510) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 71% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Austin to Boise the cheapest?

Flights from Austin to Boise are cheapest 11 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Austin to Boise flights

Low season

April

Cheapest flight

$128
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Austin to Boise

When to book flights from Austin to Boise

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

Your Austin to Boise 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 Austin to Boise?

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

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

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

    • Economy Class
    • Premium Economy Class
    • First Class

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

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

    • Denver Intl (DEN) - 52% of one-stop connections
    • Salt Lake City (SLC) - 29% of one-stop connections
    • Dallas/Fort Worth (DFW) - 9% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 7% 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 Austin to Boise?

    Yes. Being flexible with your travel dates can save you up to 29% on the Austin to Boise route. Tuesday is the cheapest departure day at $356 round-trip on average, while Sunday is the most expensive at $498, a difference of $142. 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 Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 50% above the route average of $384. Book 11 weeks before departure for the lowest fares.

  • How long is a flight from Austin to Boise?

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

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

    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 Austin to Boise 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 $240 to $1,666. That means the highest observed fare was about 7x higher than the lowest one.

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

    One-way fares from Austin to Boise are currently lower than usual. Average one-way flight prices are about $152, which is 45% below the typical average for this route.

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

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 5h 24m, compared with 5h 34m via Las Vegas Harry Reid Intl (LAS) and 5h 45m via Dallas/Fort Worth (DFW).

  • What is the time difference between Austin and Boise?

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

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    · Budget
    · Alamo
    · Hertz
    · Enterprise Rent-A-Car
    · Avis

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

    Round-trip flights from Austin to Boise range from $297 to $498, with an average of $384 over the past 12 months. Anything below $297 counts as a good deal.

Your guide to booking Austin to Boise 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 Tuesday departure instead of Sunday. On this route, Tuesday flights average $356 - about $142 less than Sunday (29% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Austin to Boise trip for February. Fares historically average $297 round-trip in that month - typically $213 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.
    - Ramada by Wyndham Boise
    - Americas Best Value Inn & Suites-Boise
    - Hotel 28 Boise Airport, an Ascend Collection Hotel

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

Information on your arrival and departure airports

Austin (AUS)
Boise (BOI)