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Idaho

$68+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BOI
dic. 13 — dic. 201
sáb. 12/13
sáb. 12/20
1 adult, Economy
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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 noviembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$131
(Frontier)

One-way from

$68
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$340
Provider with most accurate pricing for Austin Bergstrom-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Boise Air Term. Gowen Fld flights.
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From Austin Bergstrom to Idaho
Search Deals
One-way flight from Austin Bergstrom to Idaho
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 noviembre 13, 2025.

This Frontier deal was found by Cheapflights users on 11/13. 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.
jue. 12/46:55 amAUS - BOI
1 stop5h 54mFrontier
jue. 12/1112:44 pmBOI - AUS
1 stop10h 30mFrontier
Deal found 11/13$131
This Expedia deal was found by Cheapflights users on 11/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/46:55 amAUS - BOI
1 stop5h 54mFrontier
dom. 12/712:44 pmBOI - AUS
1 stop10h 30mFrontier
Deal found 11/11$134
This Expedia deal was found by Cheapflights users on 11/13. 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.
jue. 12/116:55 amAUS - GEG
1 stop6h 18mFrontier
dom. 12/1412:08 pmGEG - AUS
1 stop23h 05mFrontier
Deal found 11/13$134
This Expedia deal was found by Cheapflights users on 11/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/76:55 amAUS - BOI
1 stop5h 54mMultiple Airlines
mar. 12/93:39 pmBOI - AUS
1 stop7h 20mMultiple Airlines
Deal found 11/12$167
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:55 amAUS - GEG
1 stop6h 18mMultiple Airlines
dom. 12/149:13 pmGEG - AUS
1 stop17h 05mMultiple Airlines
Deal found 11/13$179
This Orbitz deal was found by Cheapflights users on 11/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/37:26 pmAUS - GEG
1 stop6h 58mMultiple Airlines
dom. 12/712:08 pmGEG - AUS
1 stop10h 06mMultiple Airlines
Deal found 11/12$188
This Kiwi.com deal was found by Cheapflights users on 11/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/146:55 amAUS - GEG
1 stop6h 18mMultiple Airlines
dom. 12/149:13 pmGEG - AUS
1 stop17h 05mMultiple Airlines
Deal found 11/13$194
This Delta deal was found by Cheapflights users on 11/11. 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.
mar. 12/1612:06 pmAUS - BOI
1 stop9h 14mDelta
mié. 1/77:30 amBOI - AUS
1 stop7h 30mDelta
Deal found 11/11$197
This Southwest deal was found by Cheapflights users on 11/13. 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.
jue. 12/48:05 amAUS - BOI
1 stop8h 00mSouthwest
jue. 12/118:05 amBOI - AUS
2 stops9h 05mSouthwest
Deal found 11/13$202
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
jue. 12/116:00 amAUS - GEG
1 stop19h 59mAlaska Airlines
lun. 12/157:47 pmGEG - AUS
1 stop17h 33mAlaska Airlines
Deal found 11/13$216
This Delta deal was found by Cheapflights users on 11/13. 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.
vie. 12/126:05 pmAUS - GEG
1 stop8h 06mDelta
dom. 12/147:10 amGEG - AUS
1 stop8h 40mDelta
Deal found 11/13$217
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/35:30 amAUS - GEG
2 stops9h 15mUnited Airlines
dom. 12/77:00 amGEG - AUS
1 stop7h 45mUnited Airlines
Deal found 11/12$222

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 noviembre 13, 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

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

mié. 12/3

7:26 pm-12:24 am

1 stop6h 58m

Spokane

dom. 12/7

12:08 pm-12:14 am

1 stop10h 06m

$188

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mar. 1/20

4:35 pm-10:15 pm

1 stop6h 40m

Boise Air Term. Gowen Fld

jue. 1/22

7:45 am-3:55 pm

1 stop7h 10m

$197

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 12/18

12:06 pm-8:20 pm

1 stop9h 14m

Boise Air Term. Gowen Fld

jue. 1/8

7:30 am-4:00 pm

1 stop7h 30m

$197

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

vie. 12/12

5:30 am-10:55 am

1 stop6h 25m

Boise Air Term. Gowen Fld

dom. 12/14

5:40 pm-11:45 pm

1 stop5h 05m

$197

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mar. 12/9

12:06 pm-8:20 pm

1 stop9h 14m

Boise Air Term. Gowen Fld

mar. 12/16

1:54 pm-11:51 pm

1 stop8h 57m

$197

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

mié. 12/10

6:05 am-1:14 pm

1 stop8h 09m

Boise Air Term. Gowen Fld

mié. 12/17

5:20 am-1:32 pm

1 stop7h 12m

$197

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

jue. 12/4

8:05 am-3:05 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

jue. 12/11

8:05 am-6:10 pm

2 stops9h 05m

$202

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

jue. 12/11

6:55 am-11:13 am

1 stop6h 18m

Spokane

dom. 12/14

12:08 pm-8:00 pm

2 stops29h 52m

$211

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

mar. 1/20

5:39 pm-10:52 pm

1 stop7h 13m

Spokane

mar. 2/3

6:48 am-7:19 pm

1 stop10h 31m

$216

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

mié. 1/14

3:39 pm-10:26 pm

1 stop8h 47m

Spokane

dom. 1/18

7:30 am-3:54 pm

1 stop6h 24m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 52 results
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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, September is the cheapest month in which you can book a flight from Austin to Idaho (average of $108). Flying from Austin to Idaho in July is currently the most expensive (average of $260). 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 noviembre 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Austin to Idaho at noon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Austin to Idaho?

Use this chart to determine the cheapest time to fly round-trip from Austin to Idaho. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Austin to Idaho flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 noviembre 13, 2025.
Read through reviews of airlines operating flights from Austin to Idaho, such as Southwest, Delta, and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,017 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,109 reviews
Southwest
8.0
Very good
4,242 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Austin to Idaho?

    For as low as $211, Southwest can have you in Idaho from Austin in 6h 18m. The distance from Austin to Idaho is about 1599 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 ($69), Alaska Airlines ($98), and American Airlines ($99).

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

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

  • 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, September is the cheapest month in which you can book a flight from Austin to Idaho (average of $108). Flying from Austin to Idaho in July is currently the most expensive (average of $260). 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

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Alternative routes for Austin to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Austin to Idaho

Discover the top 6 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 noviembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$126Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$212Average$366FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$242Average$339FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$244Average$575FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$470FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$261Average$396FlexibilityNo cancel feeOn-time63%

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