What is the cheapest airline that flies from Idaho to Austin Bergstrom?

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Idaho to Austin Bergstrom

What airlines fly to Austin?

Delta, Southwest and United Airlines are the top three most popular airlines that fly to Austin from Idaho according to our data. Delta is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Austin. Keep in mind that there are 6 different airlines that fly to Austin on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Austin?

The flight from Idaho to Austin depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Boise (a popular airport in Idaho) to Austin (the most popular airport in Austin), then the flight time is 4h 25m on average. If you fly from Idaho Falls (another popular airport in Idaho) to Austin, then the average flight time is 5h 01m.

When did momondo last update prices for flights from Idaho to Austin Bergstrom Airport?

Prices for flights from Idaho to Austin Bergstrom Airport are updated daily.

How many operators does momondo search for flights from Idaho to Austin Bergstrom Airport?

The number of operators available for flights from Idaho to Austin Bergstrom Airport is 6 as of June 2026.

How old do you have to be to fly from Idaho to Austin Bergstrom Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Austin Bergstrom Airport.

What documentation or ID do you need to fly to Austin Bergstrom Airport?

The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$137 Cheap Flights from Idaho to Austin in 2026

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Find the cheapest flights from Idaho to Austin

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:24 pm - 1:30 pm

BOI

AUS

23h 06m

1 stop

6:30 am - 12:29 pm

AUS

BOI

6h 59m

1 stop

$244Frontier

Tue, Jul 21 - Tue, Jul 28

12:24 pm - 11:41 pm

BOI

AUS

10h 17m

1 stop

6:15 am - 12:29 pm

AUS

BOI

7h 14m

1 stop

$259Frontier

Thu, Aug 27 - Tue, Sep 1

1:24 pm - 12:07 am

BOI

AUS

9h 43m

1 stop

6:30 am - 12:29 pm

AUS

BOI

6h 59m

1 stop

$276Frontier

Thu, Jul 23 - Tue, Jul 28

7:00 am - 6:04 pm

BOI

AUS

10h 04m

2 stops

6:15 am - 12:29 pm

AUS

BOI

7h 14m

1 stop

$294Multiple Airlines

Wed, Aug 26 - Tue, Sep 1

7:00 am - 6:04 pm

BOI

AUS

10h 04m

2 stops

6:15 am - 12:29 pm

AUS

BOI

7h 14m

1 stop

$299Multiple Airlines

Thu, Aug 27 - Tue, Sep 1

1:10 pm - 9:31 pm

JAC

AUS

7h 21m

1 stop

2:32 pm - 6:55 pm

AUS

JAC

5h 23m

1 stop

$311Delta

Wed, Aug 19 - Mon, Aug 24

6:00 am - 10:27 pm

GEG

AUS

14h 27m

1 stop

6:00 am - 11:53 pm

AUS

GEG

19h 53m

1 stop

$329Alaska Airlines

Tue, Sep 29 - Wed, Sep 30

12:44 pm - 11:14 pm

GEG

AUS

8h 30m

1 stop

7:59 pm - 10:51 pm

AUS

GEG

28h 52m

1 stop

$349Alaska Airlines

Tue, Oct 6 - Wed, Oct 7

5:25 am - 1:26 pm

GEG

AUS

6h 01m

1 stop

12:20 pm - 4:08 pm

AUS

GEG

5h 48m

1 stop

$369Delta

Wed, Jul 22 - Wed, Jul 29

2:29 pm - 11:59 pm

GEG

AUS

7h 30m

1 stop

6:00 am - 11:59 am

AUS

GEG

7h 59m

1 stop

$371American Airlines

Tue, Jul 21 - Tue, Jul 28

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Alaska Airlines flights from Idaho to Austin

Our best Alaska Airlines deals on Idaho to Austin flight tickets

Alaska Airlines

Sep 29

GEG6:00 amSpokane

14h 27m

1 stop

AUS10:27 pmAustin Bergstrom

Sep 30

AUS6:00 amAustin Bergstrom

19h 53m

1 stop

GEG11:53 pmSpokane

$329

Alaska Airlines

Sep 1

BOI7:20 amBoise Air Term. Gowen Fld

14h 07m

1 stop

AUS10:27 pmAustin Bergstrom

Sep 2

AUS6:00 amAustin Bergstrom

9h 02m

1 stop

BOI2:02 pmBoise Air Term. Gowen Fld

$343

Alaska Airlines

Oct 6

GEG12:44 pmSpokane

8h 30m

1 stop

AUS11:14 pmAustin Bergstrom

Oct 7

AUS7:59 pmAustin Bergstrom

28h 52m

1 stop

GEG10:51 pmSpokane

$349

Delta flights from Idaho to Austin

Our best Delta deals on Idaho to Austin flight tickets

Delta

Aug 19

JAC1:10 pmJackson Hole

7h 21m

1 stop

AUS9:31 pmAustin Bergstrom

Aug 24

AUS2:32 pmAustin Bergstrom

5h 23m

1 stop

JAC6:55 pmJackson Hole

$311

Delta

Jul 22

GEG5:25 amSpokane

6h 01m

1 stop

AUS1:26 pmAustin Bergstrom

Jul 29

AUS12:20 pmAustin Bergstrom

5h 48m

1 stop

GEG4:08 pmSpokane

$369

Delta

Jul 15

BOI6:00 amBoise Air Term. Gowen Fld

4h 25m

1 stop

AUS11:25 amAustin Bergstrom

Jul 22

AUS7:30 amAustin Bergstrom

8h 16m

1 stop

BOI2:46 pmBoise Air Term. Gowen Fld

$387

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Tue 7/21

1:24 pm-1:30 pm

1 stop23h 06m

Austin Bergstrom

Tue 7/28

6:30 am-12:29 pm

1 stop6h 59m

$244

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 8/27

12:24 pm-11:41 pm

1 stop10h 17m

Austin Bergstrom

Tue 9/1

6:15 am-12:29 pm

1 stop7h 14m

$259

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 7/23

1:24 pm-12:07 am

1 stop9h 43m

Austin Bergstrom

Tue 7/28

6:30 am-12:29 pm

1 stop6h 59m

$276

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Wed 8/26

7:00 am-6:04 pm

2 stops10h 04m

Austin Bergstrom

Tue 9/1

6:15 am-12:29 pm

1 stop7h 14m

$294

BoiseAustin

BOI - AUS

BOIAUS

Boise Air Term. Gowen Fld

Thu 8/27

7:00 am-6:04 pm

2 stops10h 04m

Austin Bergstrom

Tue 9/1

6:15 am-12:29 pm

1 stop7h 14m

$299

JacksonAustin

JAC - AUS

JACAUS

Jackson Hole

Wed 8/19

1:10 pm-9:31 pm

1 stop7h 21m

Austin Bergstrom

Mon 8/24

2:32 pm-6:55 pm

1 stop5h 23m

$311

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Tue 9/29

6:00 am-10:27 pm

1 stop14h 27m

Austin Bergstrom

Wed 9/30

6:00 am-11:53 pm

1 stop19h 53m

$329

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Tue 10/6

12:44 pm-11:14 pm

1 stop8h 30m

Austin Bergstrom

Wed 10/7

7:59 pm-10:51 pm

1 stop28h 52m

$349

Quickest round-trip

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Wed 7/22

5:25 am-1:26 pm

1 stop6h 01m

Austin Bergstrom

Wed 7/29

12:20 pm-4:08 pm

1 stop5h 48m

$369

SpokaneAustin

GEG - AUS

GEGAUS

Spokane

Tue 7/21

2:29 pm-11:59 pm

1 stop7h 30m

Austin Bergstrom

Tue 7/28

6:00 am-11:59 am

1 stop7h 59m

$371

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Idaho is in May. Flight prices, which tend to average around $95, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in May, then January is your next best option. Flight prices from Idaho to Austin during January average around $145.

How far in advance should I book a flight from Idaho to Austin?

You are more likely to see cheaper flights to Austin from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $399 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Idaho for as low as $289 on momondo.

Cheap Idaho to Austin flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Austin

Fastest flight time	4h 25m
Direct flights	None

The fastest flight from Idaho to Austin takes 4h 25m

There are no direct flights from Idaho to Austin. There are no popular flight routes from Idaho to Austin.

Search flight deals

Frequently asked questions about flying from Idaho to Austin

When did momondo last update prices for flights from Idaho to Austin Bergstrom Airport?
Prices for flights from Idaho to Austin Bergstrom Airport are updated daily.
How many operators does momondo search for flights from Idaho to Austin Bergstrom Airport?
The number of operators available for flights from Idaho to Austin Bergstrom Airport is 6 as of June 2026.
How old do you have to be to fly from Idaho to Austin Bergstrom Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The travel and health documents you'll need for your trip to Austin Bergstrom Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Austin Bergstrom Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Austin

Compare and see reviews for airlines that fly from Idaho to Austin with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $164	Free Cancellation	Rating 5.6 2,862 reviews	Search Frontier flights
Southwest	PriceFrom $216	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights
Delta	PriceFrom $236	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
Alaska Airlines	PriceFrom $250	Free Cancellation	Rating 7.9 12,582 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $269	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.1 11,777 reviews	Search American Airlines flights

Fredericksburg

Wimberley

San Marcos

Round Rock

Cedar Park

Marble Falls

Georgetown

Horseshoe Bay

Canyon Lake

Dripping Springs

Seguin

Bastrop

Pflugerville

Kyle

Buda

Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Austin?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Austin from Idaho.

Can I find flights from Idaho to Austin with flexible booking policies on momondo?

Flights from Idaho to Austin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho to Austin?

momondo helps you find the best flight between Idaho and Austin by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to Austin right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho to Austin flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Idaho to Austin from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Austin departing on 10/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Idaho to Austin

What is the cheapest month to fly to Austin?

How far in advance should I book a flight from Idaho to Austin?

What is the cheapest airline that flies from Idaho to Austin Bergstrom?

What airlines fly to Austin?

How long does it take to fly to Austin?

Cheap Idaho to Austin flight deals and tips

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Why use momondo?

An easier way to manage your Austin trip

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