HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho

$101+ Cheap flights from Austin (AUS) to Idaho

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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Idaho with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Austin to Idaho

Keep the following information in mind while searching for Austin to Idaho flight deals. Data was last updated April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$208
(Frontier)

One-way from

$101
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$402
Provider with most accurate pricing for Austin Bergstrom-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Boise Air Term. Gowen Fld flights.
Search Deals
From Austin Bergstrom to Idaho
Search Deals
One-way flight from Austin Bergstrom to Idaho
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Austin to Idaho

Cheapest flights from Austin to Idaho
Explore the most affordable flight options available from Austin to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Frontier deal was found by Cheapflights users on 4/29. 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.
Thu 5/156:00 amAUS - BOI
1 stop8h 37mFrontier
Tue 5/202:27 pmBOI - AUS
1 stop7h 53mFrontier
Deal found 4/29$208
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Wed 5/78:11 pmAUS - GEG
1 stop14h 34mMultiple Airlines
Mon 6/26:03 pmGEG - AUS
1 stop19h 19mMultiple Airlines
Deal found 4/29$213
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Thu 6/122:23 pmAUS - BOI
2 stops19h 18mSpirit Airlines
Mon 6/169:36 amBOI - AUS
1 stop8h 38mSpirit Airlines
Deal found 4/29$229
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Thu 6/1211:48 amAUS - BOI
1 stop21h 53mMultiple Airlines
Mon 6/169:36 amBOI - AUS
1 stop8h 38mMultiple Airlines
Deal found 4/29$233
This Delta deal was found by Cheapflights users on 4/28. 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 6/25:10 amAUS - JAC
1 stop6h 33mDelta
Tue 6/106:53 pmJAC - AUS
1 stop4h 38mDelta
Deal found 4/28$261
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Mon 6/25:15 amAUS - JAC
1 stop5h 28mUnited Airlines
Tue 6/108:00 amJAC - AUS
2 stops8h 21mUnited Airlines
Deal found 4/28$266
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 5/216:40 amAUS - GEG
1 stop8h 06mDelta
Wed 7/25:05 amGEG - AUS
1 stop6h 30mDelta
Deal found 4/28$285
This Delta deal was found by Cheapflights users on 4/29. 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 7/1412:17 pmAUS - BOI
1 stop5h 52mDelta
Fri 7/1811:40 pmBOI - AUS
1 stop8h 46mDelta
Deal found 4/29$287
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/284:00 pmAUS - GEG
2 stops9h 14mUnited Airlines
Tue 6/35:30 amGEG - AUS
1 stop5h 24mUnited Airlines
Deal found 4/28$290
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/298:50 amAUS - BOI
2 stops8h 51mUnited Airlines
Mon 6/25:43 pmBOI - AUS
1 stop5h 16mUnited Airlines
Deal found 4/29$292
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sun 6/85:00 amAUS - GEG
1 stop8h 45mAmerican Airlines
Wed 6/183:10 pmGEG - AUS
1 stop6h 30mAmerican Airlines
Deal found 4/28$312
This Southwest deal was found by Cheapflights users on 4/29. 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 7/147:00 pmAUS - BOI
1 stop6h 30mSouthwest
Tue 7/2212:10 pmBOI - AUS
2 stops9h 25mSouthwest
Deal found 4/29$322

Cheapflights Fare Finder

Customize your flight search to find flights from Austin to Idaho 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 April 29, 2025.
Use the filters below to find and compare flights from Austin to Idaho that are best for you.

Fly from

Austin

Fly to

Idaho

Route

Depart

Return

Price

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 5/15

6:00 am-1:37 pm

1 stop8h 37m

Boise Air Term. Gowen Fld

Tue 5/20

2:27 pm-11:20 pm

1 stop7h 53m

$208

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 5/7

8:11 pm-8:45 am

1 stop14h 34m

Spokane

Mon 6/2

6:03 pm-3:22 pm

1 stop19h 19m

$213

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 6/12

2:23 pm-8:41 am

2 stops19h 18m

Boise Air Term. Gowen Fld

Mon 6/16

9:36 am-7:14 pm

1 stop8h 38m

$229

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 6/12

11:48 am-8:41 am

1 stop21h 53m

Boise Air Term. Gowen Fld

Mon 6/16

9:36 am-7:14 pm

1 stop8h 38m

$233

AustinJackson

AUS - JAC

AUSJAC

Austin Bergstrom

Mon 6/2

5:10 am-10:43 am

1 stop6h 33m

Jackson Hole

Tue 6/10

6:53 pm-12:31 am

1 stop4h 38m

$261

AustinJackson

AUS - JAC

AUSJAC

Austin Bergstrom

Mon 6/2

5:15 am-9:43 am

1 stop5h 28m

Jackson Hole

Tue 6/10

8:00 am-5:21 pm

2 stops8h 21m

$266

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 5/21

6:40 am-12:46 pm

1 stop8h 06m

Spokane

Wed 7/2

5:05 am-1:35 pm

1 stop6h 30m

$285

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Mon 7/14

12:17 pm-5:09 pm

1 stop5h 52m

Boise Air Term. Gowen Fld

Fri 7/18

11:40 pm-9:26 am

1 stop8h 46m

$287

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 5/28

4:00 pm-11:14 pm

2 stops9h 14m

Spokane

Tue 6/3

5:30 am-12:54 pm

1 stop5h 24m

$290

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 5/29

8:50 am-4:41 pm

2 stops8h 51m

Boise Air Term. Gowen Fld

Mon 6/2

5:43 pm-11:59 pm

1 stop5h 16m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 42 results
1
2
3
...
5

Best time to book a flight from Austin to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Austin to Idaho (average of $314). Flying from Austin to Idaho in June is currently the most expensive (average of $406). 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 AUS to ID?

Find hourly flight availability from Austin to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

When flying from Austin to Idaho, 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 Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated April 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Austin to Idaho to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

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
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

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
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

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 Austin to Idaho. 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 from for flights from Austin to Idaho?

    Located just 7.5 mi from the city center, Austin Bergstrom (AUS) is the airport most travelers will use when flying to Idaho from Austin.

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

    The cheapest airlines for a one-way flight from Austin to Idaho are Frontier ($109), American Airlines ($143), and Delta ($170).

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

    The most popular flight routes from Austin to Idaho are Austin Bergstrom - Boise Air Term. Gowen Fld, Austin Bergstrom - Spokane and Austin Bergstrom - Jackson Hole.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Austin to Idaho (average of $314). Flying from Austin to Idaho in June is currently the most expensive (average of $406). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Seattle flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Hobby to Seattle flights
Hobby to LaGuardia flights
Hobby to Las Vegas flights
Hobby to John F Kennedy Intl flights
Dallas/Fort Worth to Denver flights
Hobby to Newark flights
Dallas/Fort Worth to San Francisco flights
Dallas/Fort Worth to Dulles Intl flights
George Bush Intcntl to Las Vegas flights
George Bush Intcntl to Seattle flights
Dallas/Fort Worth to Miami flights
Hobby to Los Angeles flights
Dallas/Fort Worth to Fort Lauderdale flights
Dallas/Fort Worth to Baltimore flights
Dallas/Fort Worth to Orlando flights
George Bush Intcntl to John F Kennedy Intl flights
Hobby to Denver flights
Austin to Newark flights
George Bush Intcntl to Newark flights
Dallas/Fort Worth to Boston flights
Austin to Seattle flights
Dallas/Fort Worth to Reagan-National flights
Hobby to Orlando flights
Austin to John F Kennedy Intl flights
Love Field to LaGuardia flights
Dallas/Fort Worth to Midway flights
George Bush Intcntl to Los Angeles flights
George Bush Intcntl to LaGuardia flights
George Bush Intcntl to Denver flights
Dallas/Fort Worth to Salt Lake City flights
Hobby to Boston flights
Dallas/Fort Worth to Detroit flights
Dallas/Fort Worth to Santa Ana flights
Dallas/Fort Worth to San Diego flights
Dallas/Fort Worth to Portland flights
Dallas/Fort Worth to Burbank flights
Dallas/Fort Worth to Minneapolis flights
Dallas/Fort Worth to Atlanta flights
Dallas/Fort Worth to Philadelphia flights
Austin to Denver flights
Dallas/Fort Worth to Hobby flights
Hobby to O'Hare Intl flights
Dallas/Fort Worth to Nashville flights

Top 5 airlines flying from Austin to Idaho

Discover the top 5 airlines that operate flights from Austin to Idaho. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$497FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$232Average$395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$254Average$581FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$267Average$367FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$278Average$485FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.