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$99+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — AUS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$186
(Trip.com)

One-way from

$99
(Alaska Airlines)

Popular in

November

Cheapest in

August

Average price

$406
From Idaho to Austin Bergstrom
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One-way flight from Idaho to Austin Bergstrom
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Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/107:44 pmGEG - AUS
1 stop8h 23mHawaiian Airlines
mié. 7/309:45 amAUS - GEG
1 stop9h 28mHawaiian Airlines
Deal found 6/11$186
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 8/137:44 pmGEG - AUS
1 stop8h 23mAlaska Airlines
mié. 8/207:15 amAUS - GEG
1 stop7h 28mAlaska Airlines
Deal found 6/10$199
This Southwest deal was found by Cheapflights users on 6/12. 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.
mié. 8/136:15 amGEG - AUS
2 stops9h 20mSouthwest
lun. 8/186:20 pmAUS - GEG
1 stop7h 20mSouthwest
Deal found 6/12$204
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 7/21:00 pmGEG - AUS
1 stop6h 03mDelta
mar. 7/86:10 pmAUS - GEG
1 stop6h 38mDelta
Deal found 6/11$235
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 11/51:32 pmBOI - AUS
1 stop8h 32mAmerican Airlines
mié. 11/1211:30 amAUS - BOI
1 stop10h 48mAmerican Airlines
Deal found 6/11$241
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 11/125:52 amGEG - AUS
1 stop10h 16mAmerican Airlines
mar. 11/1811:30 amAUS - GEG
1 stop11h 16mAmerican Airlines
Deal found 6/11$249
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 11/52:31 pmBOI - AUS
2 stops7h 28mUnited Airlines
mié. 11/126:17 pmAUS - BOI
1 stop5h 28mUnited Airlines
Deal found 6/11$250
This Southwest deal was found by Cheapflights users on 6/11. 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.
mié. 11/55:15 amBOI - AUS
2 stops7h 30mSouthwest
mié. 11/125:10 pmAUS - BOI
2 stops7h 00mSouthwest
Deal found 6/11$255
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mié. 11/124:05 pmGEG - AUS
1 stop5h 54mUnited Airlines
mar. 11/184:25 pmAUS - GEG
2 stops9h 04mUnited Airlines
Deal found 6/9$260
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 8/611:25 amBOI - AUS
1 stop11h 40mAlaska Airlines
vie. 8/89:45 amAUS - BOI
1 stop7h 25mAlaska Airlines
Deal found 6/10$265
This Mytrip deal was found by Cheapflights users on 6/11. 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.
dom. 8/39:33 amGEG - AUS
1 stop27h 56mMultiple Airlines
dom. 8/1011:50 amAUS - GEG
2 stops31h 12mMultiple Airlines
Deal found 6/11$267
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/88:46 pmBOI - AUS
1 stop8h 21mHawaiian Airlines
mar. 7/157:15 amAUS - BOI
1 stop8h 49mHawaiian Airlines
Deal found 6/10$278

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 junio 12, 2025.
Use the filters below to find and compare flights from Idaho to Austin that are best for you.

Fly from

Idaho

Fly to

Austin

Route

Depart

Return

Price

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

jue. 7/10

7:44 pm-6:07 am

1 stop8h 23m

Austin Bergstrom

mié. 7/30

9:45 am-5:13 pm

1 stop9h 28m

$186

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

mié. 8/13

7:44 pm-6:07 am

1 stop8h 23m

Austin Bergstrom

mié. 8/20

7:15 am-12:43 pm

1 stop7h 28m

$199

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

mié. 8/13

6:15 am-5:35 pm

2 stops9h 20m

Austin Bergstrom

lun. 8/18

6:20 pm-11:40 pm

1 stop7h 20m

$204

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

mié. 7/2

1:00 pm-9:03 pm

1 stop6h 03m

Austin Bergstrom

mar. 7/8

6:10 pm-10:48 pm

1 stop6h 38m

$235

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

mié. 11/5

1:32 pm-11:04 pm

1 stop8h 32m

Austin Bergstrom

mié. 11/12

11:30 am-9:18 pm

1 stop10h 48m

$241

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

mié. 11/5

2:31 pm-10:59 pm

2 stops7h 28m

Austin Bergstrom

mié. 11/12

6:17 pm-10:45 pm

1 stop5h 28m

$250

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

mié. 11/5

5:15 am-1:45 pm

2 stops7h 30m

Austin Bergstrom

mié. 11/12

5:10 pm-11:10 pm

2 stops7h 00m

$255

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

mié. 8/6

11:25 am-12:05 am

1 stop11h 40m

Austin Bergstrom

vie. 8/8

9:45 am-4:10 pm

1 stop7h 25m

$265

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

mié. 8/6

8:50 am-5:50 pm

1 stop8h 00m

Austin Bergstrom

vie. 8/8

7:15 pm-12:09 am

1 stop5h 54m

$266

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

dom. 8/3

9:33 am-3:29 pm

1 stop27h 56m

Austin Bergstrom

dom. 8/10

11:50 am-5:02 pm

2 stops31h 12m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 46 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.

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, 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 junio 12, 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 junio 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Alaska Airlines, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from American Airlines and Southwest, 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 Spokane - Austin Bergstrom. You may also consider Boise Air Term. Gowen Fld - 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, 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
Fredericksburg
Pflugerville
Round Rock
Dripping Springs
Cedar Park
Canyon Lake
Bastrop
Seguin
Horseshoe Bay

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Alternative routes for Idaho to Austin

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$279FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$199Average$369FlexibilityNo cancel feeOn-time71%
DeltaCheapest$232Average$414FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$236Average$537FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$245Average$451FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$299Average$472FlexibilityNo cancel feeOn-time63%

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