Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Idaho to Austin from $108

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Austin departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Austin

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 am - 4:38 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
9h 23m1 stop San Francisco
United Airlines Logo
5:30 am - 9:34 amAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
5h 04m1 stop Denver Intl
$233United Airlines
Sat, Sep 12 - Sat, Sep 19
Delta Logo
7:05 am - 3:36 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
7h 31m1 stop Los Angeles
Delta Logo
2:14 pm - 6:53 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
5h 39m1 stop Salt Lake City
$233Delta
Sat, Sep 12 - Sat, Sep 19
Southwest Logo
3:30 pm - 10:35 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 05m1 stop San Diego
Southwest Logo
6:00 am - 10:50 amAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
5h 50m1 stop Las Vegas Harry Reid Intl
$233Southwest
Wed, Sep 9 - Tue, Sep 15
Delta Logo
11:03 am - 5:11 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
5h 08m1 stop Salt Lake City
Delta Logo
2:14 pm - 6:53 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
5h 39m1 stop Salt Lake City
$233Delta
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
2:49 pm - 10:35 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
6h 46m1 stop Dallas/Fort Worth
American Airlines Logo
3:41 pm - 10:11 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
7h 30m1 stop Dallas/Fort Worth
$237American Airlines
Fri, Aug 28 - Sun, Aug 30
United Airlines Logo
2:41 pm - 8:44 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
5h 03m1 stop Denver Intl
United Airlines Logo
7:00 am - 3:31 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
9h 31m2 stops Houston George Bush Intcntl San Francisco
$238United Airlines
Sat, Sep 12 - Sat, Sep 19
Southwest Logo
3:40 pm - 10:05 pmBOI  Boise Air Term. Gowen Fld-AUS Austin Bergstrom
5h 25m1 stop Phoenix Sky Harbor Intl
Southwest Logo
4:45 pm - 11:25 pmAUS  Austin Bergstrom-BOI Boise Air Term. Gowen Fld
7h 40m2 stops Dallas Love Field Phoenix Sky Harbor Intl
$239Southwest
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
10:09 am - 10:09 pmGEG  Spokane-AUS Austin Bergstrom
10h 00m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
3:32 pm - 9:19 amAUS  Austin Bergstrom-GEG Spokane
19h 47m1 stop Las Vegas Harry Reid Intl
$252Multiple Airlines
Thu, Sep 10 - Wed, Sep 16
American Airlines Logo
5:20 am - 1:23 pmGEG  Spokane-AUS Austin Bergstrom
6h 03m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
3:41 pm - 8:42 pmAUS  Austin Bergstrom-GEG Spokane
7h 01m1 stop Dallas/Fort Worth
$257American Airlines
Fri, Aug 28 - Sun, Aug 30
Multiple Airlines Logo
10:09 am - 7:29 pmGEG  Spokane-AUS Austin Bergstrom
31h 20m2 stops Las Vegas Harry Reid Intl Denver Intl
Multiple Airlines Logo
3:32 pm - 9:19 amAUS  Austin Bergstrom-GEG Spokane
19h 47m1 stop Las Vegas Harry Reid Intl
$274Multiple Airlines
Thu, Sep 10 - Wed, Sep 16

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Idaho to Austin

Our best Delta deals on Idaho to Austin flight tickets
Delta
Sep 12
BOI11:03 amBoise Air Term. Gowen Fld
5h 08m
1 stop
AUS5:11 pmAustin Bergstrom
Sep 19
AUS2:14 pmAustin Bergstrom
5h 39m
1 stop
BOI6:53 pmBoise Air Term. Gowen Fld
$233
Delta
Nov 5
GEG1:00 pmSpokane
8h 50m
1 stop
AUS11:50 pmAustin Bergstrom
Nov 9
AUS4:20 pmAustin Bergstrom
9h 15m
1 stop
GEG11:35 pmSpokane
$285
Delta
Sep 4
BOI4:00 pmBoise Air Term. Gowen Fld
6h 32m
1 stop
AUS11:32 pmAustin Bergstrom
Sep 8
AUS6:13 pmAustin Bergstrom
6h 45m
1 stop
BOI11:58 pmBoise Air Term. Gowen Fld
$286

United Airlines flights from Idaho to Austin

Our best United Airlines deals on Idaho to Austin flight tickets
United Airlines
Sep 12
BOI2:41 pmBoise Air Term. Gowen Fld
5h 03m
1 stop
AUS8:44 pmAustin Bergstrom
Sep 19
AUS12:55 pmAustin Bergstrom
9h 36m
2 stops
BOI9:31 pmBoise Air Term. Gowen Fld
$238
United Airlines
Feb 4
BOI2:43 pmBoise Air Term. Gowen Fld
7h 01m
2 stops
AUS10:44 pmAustin Bergstrom
Feb 8
AUS4:32 pmAustin Bergstrom
5h 44m
1 stop
BOI9:16 pmBoise Air Term. Gowen Fld
$304
United Airlines
Sep 5
BOI2:44 pmBoise Air Term. Gowen Fld
5h 00m
1 stop
AUS8:44 pmAustin Bergstrom
Sep 12
AUS12:12 pmAustin Bergstrom
10h 19m
2 stops
BOI9:31 pmBoise Air Term. Gowen Fld
$329

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Idaho to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseAustin

BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom

BOIAUS

Boise Air Term. Gowen Fld

Sat 9/12

6:15 am-4:38 pm

1 stop9h 23m

Austin Bergstrom

Sat 9/19

5:30 am-9:34 am

1 stop5h 04m

$233

BoiseAustin

BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom

BOIAUS

Boise Air Term. Gowen Fld

Sat 9/12

7:05 am-3:36 pm

1 stop7h 31m

Austin Bergstrom

Sat 9/19

2:14 pm-6:53 pm

1 stop5h 39m

$233

BoiseAustin

BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom

BOIAUS

Boise Air Term. Gowen Fld

Wed 9/9

3:30 pm-10:35 pm

1 stop6h 05m

Austin Bergstrom

Tue 9/15

6:00 am-10:50 am

1 stop5h 50m

$233
Quickest round-trip

BoiseAustin

BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom

BOIAUS

Boise Air Term. Gowen Fld

Sat 9/12

11:03 am-5:11 pm

1 stop5h 08m

Austin Bergstrom

Sat 9/19

2:14 pm-6:53 pm

1 stop5h 39m

$233

BoiseAustin

BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom

BOIAUS

Boise Air Term. Gowen Fld

Fri 8/28

2:49 pm-10:35 pm

1 stop6h 46m

Austin Bergstrom

Sun 8/30

3:41 pm-10:11 pm

1 stop7h 30m

$237

BoiseAustin

BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom

BOIAUS

Boise Air Term. Gowen Fld

Sat 9/12

2:41 pm-8:44 pm

1 stop5h 03m

Austin Bergstrom

Sat 9/19

7:00 am-3:31 pm

2 stops9h 31m

$238

BoiseAustin

BOI Boise Air Term. Gowen Fld - AUS Austin Bergstrom

BOIAUS

Boise Air Term. Gowen Fld

Wed 9/9

3:40 pm-10:05 pm

1 stop5h 25m

Austin Bergstrom

Tue 9/15

4:45 pm-11:25 pm

2 stops7h 40m

$239

SpokaneAustin

GEG Spokane - AUS Austin Bergstrom

GEGAUS

Spokane

Thu 9/10

10:09 am-10:09 pm

1 stop10h 00m

Austin Bergstrom

Wed 9/16

3:32 pm-9:19 am

1 stop19h 47m

$252

SpokaneAustin

GEG Spokane - AUS Austin Bergstrom

GEGAUS

Spokane

Fri 8/28

5:20 am-1:23 pm

1 stop6h 03m

Austin Bergstrom

Sun 8/30

3:41 pm-8:42 pm

1 stop7h 01m

$257

SpokaneAustin

GEG Spokane - AUS Austin Bergstrom

GEGAUS

Spokane

Thu 9/10

10:09 am-7:29 pm

2 stops31h 20m

Austin Bergstrom

Wed 9/16

3:32 pm-9:19 am

1 stop19h 47m

$274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Austin from

How to get the cheapest flight ticket from Idaho to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Idaho is in January. Flight prices, which tend to average around $288, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in January, then December is your next best option. Flight prices from Idaho to Austin during December average around $334.

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

You are more likely to see cheaper flights to Austin from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $397 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Idaho for as low as $295 on momondo.

Cheap Idaho to Austin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Austin

Fastest flight time

4h 09m

Direct flights

None
The fastest flight from Idaho to Austin takes 4h 09m
There are no direct flights from Idaho to Austin. There are no popular flight routes from Idaho to Austin.
Search flight deals

Frequently asked questions about flying from Idaho to Austin

  • When did momondo last update prices for flights from Idaho to Austin Bergstrom Airport?

    Prices for flights from Idaho to Austin Bergstrom Airport are updated daily.

  • How many operators does momondo search for flights from Idaho to Austin Bergstrom Airport?

  • How old do you have to be to fly from Idaho to Austin Bergstrom Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Austin

Compare and see reviews for airlines that fly from Idaho to Austin with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $154Free CancellationRating
5.6
2,703 reviews
Search Frontier flights
DeltaPriceFrom $236Free CancellationRating
7.8
8,505 reviews
Search Delta flights
Alaska AirlinesPriceFrom $250Free CancellationRating
7.9
12,796 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $262Free CancellationRating
8.0
4,220 reviews
Search Southwest flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,904 reviews
Search American Airlines flights

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
Wimberley
San Marcos
Round Rock
Marble Falls
Cedar Park
Georgetown
Seguin
Dripping Springs
Horseshoe Bay
Pflugerville
Kyle
Bastrop
Canyon Lake
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Austin?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Austin from Idaho.

Can I find flights from Idaho to Austin with flexible booking policies on momondo?

Flights from Idaho to Austin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho to Austin?

momondo helps you find the best flight between Idaho and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to Austin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Austin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 9/10
Thu 9/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States