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$78+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Idaho to Austin

Keep the following information in mind while searching for Idaho to Austin flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(CheapOair)

One-way from

$78
(CheapOair)

Popular in

November

Cheapest in

August

Average price

$348
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Austin Bergstrom flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Austin Bergstrom flights.
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From Idaho to Austin Bergstrom
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One-way flight from Idaho to Austin Bergstrom
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find 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 February 20, 2025.

This CheapOair deal was found by Cheapflights users on 2/19. 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.
Fri 4/112:34 pmBOI - AUS
1 stop18h 56mSpirit Airlines
Tue 4/152:49 pmAUS - BOI
1 stop23h 50mSpirit Airlines
Deal found 2/19$157
This Delta deal was found by Cheapflights users on 2/19. 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 4/242:15 pmBOI - AUS
1 stop9h 14mDelta
Mon 4/286:00 amAUS - BOI
1 stop9h 30mDelta
Deal found 2/19$233
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/91:32 pmBOI - AUS
1 stop8h 31mAmerican Airlines
Tue 5/2012:10 pmAUS - BOI
1 stop10h 49mAmerican Airlines
Deal found 2/20$276
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/263:48 pmJAC - AUS
1 stop5h 18mAmerican Airlines
Wed 4/26:05 amAUS - JAC
1 stop7h 03mAmerican Airlines
Deal found 2/20$285
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 3/1412:50 pmGEG - AUS
1 stop9h 48mDelta
Tue 3/183:45 pmAUS - GEG
1 stop7h 32mDelta
Deal found 2/19$288
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/282:34 pmBOI - AUS
2 stops23h 24mMultiple Airlines
Fri 5/25:30 amAUS - BOI
2 stops17h 15mMultiple Airlines
Deal found 2/19$294
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 3/165:45 pmJAC - AUS
1 stop5h 58mDelta
Wed 3/196:20 amAUS - JAC
1 stop9h 03mDelta
Deal found 2/20$305
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/72:55 pmGEG - AUS
2 stops7h 40mSouthwest
Fri 4/115:45 amAUS - GEG
1 stop5h 20mSouthwest
Deal found 2/20$335
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/153:30 pmBOI - AUS
1 stop7h 35mSouthwest
Sun 5/185:55 amAUS - BOI
1 stop5h 15mSouthwest
Deal found 2/20$339
This Delta deal was found by Cheapflights users on 2/20. 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.
Mon 3/171:00 pmIDA - AUS
1 stop7h 04mDelta
Tue 3/256:09 amAUS - IDA
2 stops17h 24mDelta
Deal found 2/20$344
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 10/16:30 amBOI - AUS
1 stop9h 08mAlaska Airlines
Wed 10/86:00 amAUS - BOI
1 stop7h 10mAlaska Airlines
Deal found 2/19$346
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/25:00 amBOI - AUS
2 stops7h 12mUnited Airlines
Sun 4/65:30 amAUS - BOI
1 stop6h 54mUnited Airlines
Deal found 2/19$358

Find flights from Idaho to Austin within your budget

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 February 20, 2025.

Fly from

Idaho

Fly to

Austin

Route

Depart

Return

Price

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 4/11

2:34 pm-10:30 am

1 stop18h 56m

Austin Bergstrom

Tue 4/15

2:49 pm-1:39 pm

1 stop23h 50m

$157

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 4/24

5:59 pm-12:46 am

1 stop5h 47m

Austin Bergstrom

Mon 4/28

5:30 pm-11:59 pm

1 stop7h 29m

$233

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Fri 5/9

1:32 pm-11:03 pm

1 stop8h 31m

Austin Bergstrom

Tue 5/20

12:10 pm-9:59 pm

1 stop10h 49m

$276

JacksonAustin

JAC - AUS

JACAUS

Jackson Hole

Wed 3/26

3:48 pm-10:06 pm

1 stop5h 18m

Austin Bergstrom

Wed 4/2

6:05 am-12:08 pm

1 stop7h 03m

$285

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Fri 3/14

12:50 pm-12:38 am

1 stop9h 48m

Austin Bergstrom

Tue 3/18

3:45 pm-9:17 pm

1 stop7h 32m

$288

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Mon 4/28

2:34 pm-2:58 pm

2 stops23h 24m

Austin Bergstrom

Fri 5/2

5:30 am-9:45 pm

2 stops17h 15m

$294

JacksonAustin

JAC - AUS

JACAUS

Jackson Hole

Sun 3/16

5:45 pm-12:43 am

1 stop5h 58m

Austin Bergstrom

Wed 3/19

6:20 am-2:23 pm

1 stop9h 03m

$305

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Mon 4/7

2:55 pm-12:35 am

2 stops7h 40m

Austin Bergstrom

Fri 4/11

5:45 am-9:05 am

1 stop5h 20m

$335

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 4/17

3:30 pm-12:05 am

1 stop7h 35m

Austin Bergstrom

Sun 4/20

10:30 am-5:55 pm

2 stops8h 25m

$342

Idaho FallsAustin

IDA - AUS

IDAAUS

Idaho Falls Fanning Field

Mon 3/17

1:00 pm-9:04 pm

1 stop7h 04m

Austin Bergstrom

Tue 3/25

6:09 am-10:33 pm

2 stops17h 24m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 43 results
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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.

Travel insights for flights from Idaho to Austin

Get recent, data-driven insights about flights from Idaho to Austin including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Idaho to Austin (average of $286). Flying from Idaho to Austin in March is currently the most expensive (average of $362). 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.

What is the cheapest time of day to fly from ID to AUS?

Find hourly flight availability from Idaho to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Idaho to Austin, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Austin by month

Plan your trip to Austin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

Plan your trip to Austin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated February 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from Idaho to Austin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Overall

8.1

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from Frontier and Delta, 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 Jackson Hole - 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, January is the cheapest month in which you can book a flight from Idaho to Austin (average of $286). Flying from Idaho to Austin in March is currently the most expensive (average of $362). 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 Idaho?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to Austin

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$242FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$236Average$568FlexibilityNo cancel feeOn-time69%
DeltaCheapest$237Average$490FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$245Average$551FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$249Average$421FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$328Average$473FlexibilityNo cancel feeOn-time63%
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