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$156+ Cheap flights from Idaho to Austin (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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Jun 26 — Jul 31
Fri 6/26
Fri 7/3
1 adult, Economy
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Cheap flight deals from Idaho to Austin

Cheapest flights from Idaho to Austin
Explore the most affordable flight options available from Idaho to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 27, 2026.

This Frontier deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:25 pm
BOI
-
AUS
1 stop9h 34m
Frontier
Sun 6/286:30 am
AUS
-
BOI
1 stop7h 00m
Frontier
Deal found 5/26$254
This CheapOair deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
-
AUS
1 stop5h 03m
Frontier
Sat 8/18:12 pm
AUS
-
BOI
1 stop17h 17m
Frontier
Deal found 5/23$264
This Frontier deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:24 pm
BOI
-
AUS
1 stop9h 43m
Frontier
Tue 8/46:30 am
AUS
-
BOI
1 stop6h 59m
Frontier
Deal found 5/27$270
This CheapOair deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:59 pm
BOI
-
AUS
1 stop10h 00m
Frontier
Wed 9/238:16 pm
AUS
-
BOI
1 stop16h 48m
Frontier
Deal found 5/27$280
This CheapOair deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:24 pm
BOI
-
AUS
1 stop9h 43m
Frontier
Mon 8/102:25 pm
AUS
-
BOI
1 stop23h 04m
Frontier
Deal found 5/26$287
This Expedia deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:25 pm
BOI
-
AUS
1 stop9h 34m
Frontier
Tue 7/76:30 am
AUS
-
BOI
1 stop6h 59m
Frontier
Deal found 5/27$289
This Orbitz deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/141:25 pm
BOI
-
AUS
1 stop9h 34m
Frontier
Thu 6/186:30 am
AUS
-
BOI
1 stop7h 00m
Frontier
Deal found 5/26$301
This Expedia deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:59 pm
BOI
-
AUS
1 stop5h 22m
Multiple Airlines
Tue 9/228:30 am
AUS
-
BOI
1 stop8h 00m
Multiple Airlines
Deal found 5/26$306
This Alaska Airlines deal was found by Cheapflights users on 5/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:47 pm
JAC
-
AUS
1 stop7h 02m
Alaska Airlines
Wed 7/227:15 am
AUS
-
JAC
1 stop7h 16m
Alaska Airlines
Deal found 5/23$311
This Orbitz deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/281:24 pm
BOI
-
AUS
1 stop5h 03m
Multiple Airlines
Fri 7/316:00 am
AUS
-
BOI
1 stop8h 46m
Multiple Airlines
Deal found 5/26$322
This Delta deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:40 am
JAC
-
AUS
1 stop6h 12m
Delta
Sun 9/62:15 pm
AUS
-
JAC
1 stop5h 40m
Delta
Deal found 5/27$323
This Expedia deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:19 pm
BOI
-
AUS
1 stop7h 55m
Multiple Airlines
Sun 10/46:45 am
AUS
-
BOI
1 stop6h 19m
Multiple Airlines
Deal found 5/26$329

Find flight deals from Idaho to Austin

Keep the following information in mind while searching for Idaho to Austin flight deals. Data was last updated May 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$254
(Frontier)

One-way from

$156
(Frontier)

Popular in

March

Cheapest in

January

Average price

$393
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 Idaho to Austin Bergstrom
Search Deals
One-way flight from Idaho to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 27, 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

JacksonAustin

JAC - AUS

JACAUS

Jackson Hole

Wed 6/24

3:47 pm-11:49 pm

1 stop7h 02m

Austin Bergstrom

Wed 7/22

7:15 am-1:31 pm

1 stop7h 16m

$311

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Thu 7/16

6:00 am-11:25 am

1 stop4h 25m

Austin Bergstrom

Mon 7/20

12:20 pm-6:18 pm

1 stop6h 58m

$329

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 8/17

1:43 pm-12:31 am

1 stop9h 48m

Austin Bergstrom

Tue 8/25

4:14 pm-10:56 pm

1 stop7h 42m

$329

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Wed 7/8

4:14 pm-11:49 pm

1 stop6h 35m

Austin Bergstrom

Wed 8/5

7:15 am-1:06 pm

1 stop6h 51m

$329

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 7/1

6:13 pm-3:14 pm

1 stop20h 01m

Austin Bergstrom

Tue 7/7

6:30 am-12:29 pm

1 stop6h 59m

$342

JacksonAustin

JAC - AUS

JACAUS

Jackson Hole

Fri 6/12

4:23 pm-11:44 pm

1 stop6h 21m

Austin Bergstrom

Tue 6/16

2:45 pm-8:58 pm

1 stop7h 13m

$359

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Fri 7/24

7:23 am-6:04 pm

1 stop8h 41m

Austin Bergstrom

Mon 7/27

7:59 pm-11:07 pm

1 stop29h 08m

$380

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Thu 7/2

2:15 pm-12:05 am

1 stop7h 50m

Austin Bergstrom

Sun 7/12

8:35 pm-12:50 am

1 stop6h 15m

$391

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Tue 7/14

6:13 am-3:14 pm

1 stop7h 01m

Austin Bergstrom

Mon 7/20

4:17 pm-10:36 pm

1 stop8h 19m

$391

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Thu 6/25

5:00 am-4:38 pm

1 stop9h 38m

Austin Bergstrom

Mon 6/29

7:07 pm-11:59 pm

1 stop6h 52m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/24

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Idaho to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Idaho 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 Idaho to Austin

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

Currently, May is the cheapest month in which you can book a flight from Idaho to Austin (average of $95). Flying from Idaho to Austin in August is currently the most expensive (average of $297). 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.

How much does it cost to fly round-trip from Idaho to Austin?

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

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Idaho to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Austin from Idaho?

    Austin Bergstrom (AUS), located 7.5 mi from the city center, is the airport you fly into when you book flights from Idaho to Austin.

  • How long is the flight from Idaho to Austin?

    There are many flights that can get you from Idaho to Austin in 4h 25m. Fly via Alaska Airlines, Delta, or United Airlines to get the fastest option. The distance between Idaho and Austin is about 1212 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $96. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from Idaho to Austin for a low price.

  • What are the most popular routes from Idaho to Austin?

    The most popular route from Idaho to Austin is Boise Air Term. Gowen Fld - Austin Bergstrom. You may also consider Spokane - Austin Bergstrom or Idaho Falls Fanning Field - Austin Bergstrom.

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

    Yes. In addition to deals on Idaho to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Austin.

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

    Yes. Cheapflights offers flight deals from Idaho 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 Idaho to Austin?

    Currently, May is the cheapest month in which you can book a flight from Idaho to Austin (average of $95). Flying from Idaho to Austin in August is currently the most expensive (average of $297). 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

Traveling to a place near Austin?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Idaho to Austin

Discover the top 6 airlines that operate flights from Idaho to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$164Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$203Average$399FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$216Average$398FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$250Average$468FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$271Average$421FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$278Average$408FlexibilityNo cancel feeOn-time71%

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