How long is the flight from Austin to Idaho?

For as low as $257, Frontier can have you in Idaho from Austin in 5h 31m. The distance from Austin to Idaho is about 1171 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 ($82), American Airlines ($141), and Southwest ($143).

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.

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).

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.

What are the most popular airlines that fly from Austin to Idaho?

Consider Delta, United Airlines or Southwest when booking your flight. These represent the most popular airlines when flying from Austin to Idaho.

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.

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.

$85+ Flights from Austin to Idaho

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Cheap 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 December 16, 2025.

Tue 12/3011:33 amAUS - GEG

1 stop6h 20mFrontier

Sun 1/412:02 pmGEG - AUS

1 stop23h 57mFrontier

Deal found 12/14

$318

Thu 12/255:30 amAUS - JAC

1 stop7h 34mUnited Airlines

Tue 12/304:20 pmJAC - AUS

1 stop6h 36mUnited Airlines

Deal found 12/16

$369

Wed 12/247:00 amAUS - JAC

1 stop9h 18mUnited Airlines

Tue 12/304:20 pmJAC - AUS

1 stop6h 36mUnited Airlines

Deal found 12/16

$378

Wed 12/245:46 pmAUS - GEG

1 stop7h 14mAlaska Airlines

Thu 1/17:32 pmGEG - AUS

1 stop7h 28mAlaska Airlines

Deal found 12/16

$379

Thu 12/2511:13 amAUS - GEG

1 stop6h 40mFrontier

Tue 12/3012:02 pmGEG - AUS

1 stop10h 12mFrontier

Deal found 12/16

$383

Mon 12/226:00 amAUS - JAC

1 stop8h 00mDelta

Fri 12/267:00 amJAC - AUS

1 stop5h 45mDelta

Deal found 12/16

$399

Thu 12/252:55 pmAUS - GEG

1 stop8h 03mUnited Airlines

Wed 12/314:00 pmGEG - AUS

1 stop5h 56mUnited Airlines

Deal found 12/16

$419

Tue 12/237:00 amAUS - JAC

1 stop9h 18mUnited Airlines

Tue 12/304:20 pmJAC - AUS

1 stop6h 36mUnited Airlines

Deal found 12/15

$429

Thu 12/255:15 amAUS - JAC

1 stop5h 40mUnited Airlines

Wed 12/314:14 pmJAC - AUS

1 stop6h 45mUnited Airlines

Deal found 12/16

$430

Wed 12/247:42 pmAUS - GEG

1 stop6h 50mAlaska Airlines

Wed 12/317:00 amGEG - AUS

1 stop6h 15mAlaska Airlines

Deal found 12/16

$442

Wed 12/178:00 amAUS - JAC

2 stops14h 29mDelta

Fri 12/267:00 amJAC - AUS

1 stop5h 45mDelta

Deal found 12/16

$459

Wed 12/1710:55 amAUS - JAC

2 stops11h 34mDelta

Wed 12/247:00 amJAC - AUS

2 stops12h 40mDelta

Deal found 12/16

$464

Best flights from Austin to Idaho
Discover carefully curated flight deals from Austin to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Wed 2/410:40 amAUS - GEG

1 stop26h 28mFrontier

Thu 2/1912:22 pmGEG - AUS

1 stop9h 54mFrontier

Deal found 12/15

$166

Mon 1/126:45 amAUS - BOI

1 stop5h 32mMultiple Airlines

Wed 1/219:02 amBOI - AUS

1 stop7h 57mMultiple Airlines

Deal found 12/14

$199

Thu 1/83:39 pmAUS - BOI

1 stop9h 03mAlaska Airlines

Mon 1/121:55 pmBOI - AUS

1 stop9h 04mAlaska Airlines

Deal found 12/13

$216

Wed 1/76:05 amAUS - BOI

1 stop8h 03mAmerican Airlines

Sun 1/111:58 pmBOI - AUS

1 stop5h 04mAmerican Airlines

Deal found 12/14

$217

Sat 1/1712:48 pmAUS - BOI

1 stop9h 07mDelta

Mon 1/197:25 amBOI - AUS

1 stop7h 35mDelta

Deal found 12/16

$217

Wed 1/72:22 pmAUS - BOI

2 stops8h 30mUnited Airlines

Sun 1/115:16 pmBOI - AUS

1 stop5h 40mUnited Airlines

Deal found 12/15

$222

Thu 1/226:55 amAUS - GEG

1 stop6h 13mMultiple Airlines

Mon 1/263:43 pmGEG - AUS

1 stop6h 16mMultiple Airlines

Deal found 12/14

$209

Fri 1/91:30 pmAUS - BOI

1 stop11h 12mAlaska Airlines

Mon 1/1211:35 amBOI - AUS

1 stop11h 24mAlaska Airlines

Deal found 12/16

$216

Fri 1/912:47 pmAUS - BOI

1 stop7h 38mAmerican Airlines

Sun 1/111:58 pmBOI - AUS

1 stop5h 04mAmerican Airlines

Deal found 12/14

$217

Wed 2/410:40 amAUS - GEG

2 stops35h 28mMultiple Airlines

Thu 2/1912:22 pmGEG - AUS

1 stop9h 54mMultiple Airlines

Deal found 12/15

$213

Wed 1/1410:50 amAUS - GEG

1 stop6h 31mUnited Airlines

Sun 1/181:48 pmGEG - AUS

1 stop5h 37mUnited Airlines

Deal found 12/16

$237

Fri 1/166:59 pmAUS - SUN

1 stop17h 15mAlaska Airlines

Fri 1/2311:56 amSUN - AUS

1 stop11h 03mAlaska Airlines

Deal found 12/15

$216

Tue 3/36:35 amAUS - JAC

1 stop7h 50mDelta

Sat 3/77:20 amJAC - AUS

1 stop5h 35mDelta

Deal found 12/16

$257

Mon 2/28:50 amAUS - JAC

1 stop5h 31mUnited Airlines

Thu 2/54:29 pmJAC - AUS

1 stop6h 27mUnited Airlines

Deal found 12/15

$257

Mon 2/28:00 amAUS - JAC

1 stop6h 02mAmerican Airlines

Thu 2/51:42 pmJAC - AUS

1 stop8h 18mAmerican Airlines

Deal found 12/15

$257

Thu 2/196:45 amAUS - BOI

1 stop5h 58mMultiple Airlines

Mon 2/236:28 amBOI - AUS

1 stop7h 07mMultiple Airlines

Deal found 12/14

$236

Wed 1/147:15 amAUS - GEG

1 stop7h 29mAlaska Airlines

Sat 1/175:45 amGEG - AUS

1 stop8h 09mAlaska Airlines

Deal found 12/16

$236

Wed 2/47:35 amAUS - SUN

1 stop8h 15mDelta

Sat 2/73:30 pmSUN - AUS

1 stop5h 02mDelta

Deal found 12/14

$263

Wed 1/283:39 pmAUS - GEG

1 stop8h 47mAlaska Airlines

Sat 1/319:05 amGEG - AUS

1 stop6h 54mAlaska Airlines

Deal found 12/13

$236

Thu 1/297:20 amAUS - JAC

2 stops10h 04mDelta

Mon 2/212:58 pmJAC - AUS

1 stop7h 34mDelta

Deal found 12/15

$274

Wed 1/145:39 pmAUS - GEG

1 stop7h 13mAlaska Airlines

Sun 1/189:05 amGEG - AUS

1 stop6h 54mAlaska Airlines

Deal found 12/16

$236

Tue 1/278:50 amAUS - SUN

1 stop5h 55mUnited Airlines

Sat 1/311:17 pmSUN - AUS

1 stop7h 12mUnited Airlines

Deal found 12/13

$297

Sat 1/247:15 amAUS - GEG

1 stop7h 29mAlaska Airlines

Tue 1/279:05 amGEG - AUS

1 stop6h 54mAlaska Airlines

Deal found 12/14

$236

Mon 1/127:15 amAUS - GEG

1 stop7h 29mAlaska Airlines

Mon 1/196:00 pmGEG - AUS

1 stop19h 54mAlaska Airlines

Deal found 12/14

$236

Sat 1/314:51 pmAUS - JAC

1 stop4h 51mUnited Airlines

Tue 2/33:27 pmJAC - AUS

1 stop7h 31mUnited Airlines

Deal found 12/14

$337

Thu 2/267:00 pmAUS - SUN

1 stop17h 10mAlaska Airlines

Tue 3/311:52 amSUN - AUS

1 stop11h 07mAlaska Airlines

Deal found 12/14

$265

Fri 3/275:30 amAUS - JAC

1 stop5h 21mUnited Airlines

Thu 4/210:42 amJAC - AUS

2 stops11h 32mUnited Airlines

Deal found 12/15

$399

Wed 1/287:15 amAUS - IDA

1 stop12h 03mAlaska Airlines

Sat 1/319:00 amIDA - AUS

1 stop7h 59mAlaska Airlines

Deal found 12/15

$302

Tue 12/3012:15 pmAUS - IDA

2 stops11h 44mUnited Airlines

Sat 1/36:40 amIDA - AUS

1 stop27h 23mUnited Airlines

Deal found 12/15

$677

Wed 12/318:00 amAUS - LWS

1 stop5h 36mDelta

Sun 1/47:15 amLWS - AUS

1 stop7h 37mDelta

Deal found 12/16

$853

Last-minute flights from Austin to Idaho
Discover last-minute flight deals from Austin to Idaho. Data last updated December 16, 2025 and is based on user searches.

Wed 1/74:51 pmAUS - BOI

1 stop6h 01mUnited Airlines

Sun 1/115:16 pmBOI - AUS

1 stop5h 40mUnited Airlines

Deal found 12/15

$217

Thu 1/83:39 pmAUS - BOI

1 stop9h 03mAlaska Airlines

Mon 1/121:55 pmBOI - AUS

1 stop9h 04mAlaska Airlines

Deal found 12/14

$216

Tue 1/133:39 pmAUS - BOI

1 stop9h 03mAlaska Airlines

Wed 1/219:02 amBOI - AUS

1 stop7h 57mAlaska Airlines

Deal found 12/16

$215

Tue 1/131:58 pmAUS - BOI

2 stops8h 27mUnited Airlines

Wed 1/212:37 pmBOI - AUS

2 stops7h 22mUnited Airlines

Deal found 12/16

$227

Wed 1/1410:50 amAUS - GEG

1 stop6h 31mUnited Airlines

Sun 1/181:48 pmGEG - AUS

1 stop5h 37mUnited Airlines

Deal found 12/16

$237

Wed 1/145:30 amAUS - GEG

2 stops9h 16mUnited Airlines

Sat 1/175:00 amGEG - AUS

2 stops10h 25mUnited Airlines

Deal found 12/16

$247

Fri 1/166:59 pmAUS - SUN

1 stop17h 15mAlaska Airlines

Fri 1/2311:56 amSUN - AUS

1 stop11h 03mAlaska Airlines

Deal found 12/15

$216

Tue 1/202:15 pmAUS - GEG

1 stop6h 34mAmerican Airlines

Tue 2/36:33 amGEG - AUS

1 stop8h 08mAmerican Airlines

Deal found 12/16

$258

Thu 1/226:55 amAUS - GEG

1 stop6h 13mMultiple Airlines

Mon 1/263:43 pmGEG - AUS

1 stop6h 16mMultiple Airlines

Deal found 12/14

$209

Wed 1/2810:40 amAUS - GEG

1 stop26h 28mMultiple Airlines

Sun 2/18:58 pmGEG - AUS

1 stop12h 45mMultiple Airlines

Deal found 12/15

$171

Wed 1/285:39 pmAUS - GEG

1 stop7h 13mAlaska Airlines

Sat 1/315:45 amGEG - AUS

1 stop8h 09mAlaska Airlines

Deal found 12/14

$236

Thu 1/297:20 amAUS - JAC

2 stops10h 04mDelta

Mon 2/212:58 pmJAC - AUS

1 stop7h 34mDelta

Deal found 12/15

$274

One-way flights from Austin to Idaho
Search for one-way flight options from Austin to Idaho. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Thu 1/296:55 amAUS - BOI

1 stop29h 17mFrontier

Deal found 12/15

$85

Thu 1/296:55 amAUS - GEG

1 stop6h 13mFrontier

Deal found 12/15

$92

Fri 1/233:39 pmAUS - BOI

1 stop9h 03mAlaska Airlines

Deal found 12/15

$108

Fri 1/162:15 pmAUS - GEG

1 stop6h 34mAmerican Airlines

Deal found 12/16

$119

Wed 2/182:14 pmAUS - SUN

1 stop8h 08mAmerican Airlines

Deal found 12/15

$131

Fri 2/67:35 amAUS - SUN

1 stop8h 15mDelta

Deal found 12/15

$135

Wed 2/185:30 amAUS - SUN

2 stops9h 47mUnited Airlines

Deal found 12/15

$137

Wed 3/114:24 pmAUS - GEG

1 stop6h 48mAmerican Airlines

Deal found 12/16

$139

Thu 12/256:30 pmAUS - GEG

1 stop5h 55mSouthwest

Deal found 12/15

$140

Tue 3/176:45 pmAUS - BOI

1 stop5h 53mAmerican Airlines

Deal found 12/16

$145

Fri 1/239:35 amAUS - BOI

2 stops11h 16mUnited Airlines

Deal found 12/16

$154

Thu 1/296:00 amAUS - GEG

2 stops11h 25mAlaska Airlines

Deal found 12/15

$163

Find flight deals from Austin to Idaho

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$166 (Kiwi.com)
One-way from	$81 (WAYA)
Popular in	December
Cheapest in	January
Average price	$489

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. 6% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 2/4

10:40 am-11:08 am

1 stop26h 28m

Spokane

Thu 2/19

12:22 pm-12:16 am

1 stop9h 54m

$166

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Mon 1/12

6:45 am-11:17 am

1 stop5h 32m

Boise Air Term. Gowen Fld

Wed 1/21

9:02 am-5:59 pm

1 stop7h 57m

$199

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Thu 1/22

6:55 am-11:08 am

1 stop6h 13m

Spokane

Mon 1/26

3:43 pm-11:59 pm

1 stop6h 16m

$209

AustinSpokane

AUS - GEG

AUSGEG

Austin Bergstrom

Wed 2/4

10:40 am-8:08 pm

2 stops35h 28m

Spokane

Thu 2/19

12:22 pm-12:16 am

1 stop9h 54m

$213

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Thu 1/8

3:39 pm-11:42 pm

1 stop9h 03m

Boise Air Term. Gowen Fld

Mon 1/12

1:55 pm-11:59 pm

1 stop9h 04m

$216

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 1/9

1:30 pm-11:42 pm

1 stop11h 12m

Boise Air Term. Gowen Fld

Mon 1/12

11:35 am-11:59 pm

1 stop11h 24m

$216

AustinHailey

AUS - SUN

AUSSUN

Austin Bergstrom

Fri 1/16

6:59 pm-11:14 am

1 stop17h 15m

Hailey Sun Valley-Friedman

Fri 1/23

11:56 am-11:59 pm

1 stop11h 03m

$216

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Wed 1/7

6:05 am-1:08 pm

1 stop8h 03m

Boise Air Term. Gowen Fld

Sun 1/11

1:58 pm-8:02 pm

1 stop5h 04m

$217

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Sat 1/17

12:48 pm-8:55 pm

1 stop9h 07m

Boise Air Term. Gowen Fld

Mon 1/19

7:25 am-4:00 pm

1 stop7h 35m

$217

AustinBoise

AUS - BOI

AUSBOI

Austin Bergstrom

Fri 1/9

12:47 pm-7:25 pm

1 stop7h 38m

Boise Air Term. Gowen Fld

Sun 1/11

1:58 pm-8:02 pm

1 stop5h 04m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 57 results

...

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?

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.

Reviews of airlines servicing Idaho

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

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,092 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,049 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,082 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

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 $257, Frontier can have you in Idaho from Austin in 5h 31m. The distance from Austin to Idaho is about 1171 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 ($82), American Airlines ($141), and Southwest ($143).
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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Idaho car rentals

Boise Air Term. Gowen Fld Airport car rentals

Idaho Falls Fanning Field Airport car rentals

Hailey Sun Valley-Friedman Airport car rentals

Twin Falls Joslin Airport car rentals

Lewiston Nez Perce Rgnl Airport car rentals

Pocatello Airport car rentals

Boise car rentals

Idaho Falls car rentals

Twin Falls car rentals

Lewiston car rentals

Top 5 airlines flying from Austin to Idaho

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$100	Average$222	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$175	Average$367	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$244	Average$347	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$254	Average$483	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$261	Average$367	FlexibilityNo cancel fee	On-time63%

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$85+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Austin to Idaho

Cheapest flights from Austin to IdahoExplore 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 December 16, 2025.

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 December 16, 2025.

Find flight deals from Austin to Idaho

Keep the following information in mind while searching for Austin to Idaho flight deals. Data was last updated December 16, 2025.

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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.

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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?

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 December 16, 2025.

Reviews of airlines servicing Idaho

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.

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.

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

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Alternative routes for Austin to Idaho

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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 December 16, 2025.