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Cheap flights from Austin to Idaho Falls from $151

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Idaho Falls departing on 2/12. 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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0 bags

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Find the cheapest flights from Austin to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:15 am - 4:43 pm
AUS
-
IDA
10h 28m
1 stop
Alaska Airlines Logo
5:20 pm - 2:35 pm
IDA
-
AUS
20h 15m
1 stop
$289Alaska Airlines
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
6:20 pm - 10:53 pm
AUS
-
IDA
5h 33m
1 stop
United Airlines Logo
5:57 pm - 11:38 pm
IDA
-
AUS
4h 41m
1 stop
$314United Airlines
Thu, Jun 4 - Wed, Jun 10
United Airlines Logo
7:10 am - 1:30 pm
AUS
-
IDA
7h 20m
1 stop
United Airlines Logo
2:40 pm - 11:15 pm
IDA
-
AUS
7h 35m
2 stops
$319United Airlines
Tue, Feb 24 - Sat, Feb 28
Delta Logo
12:30 pm - 6:14 pm
AUS
-
IDA
6h 44m
1 stop
Delta Logo
3:04 pm - 9:14 pm
IDA
-
AUS
5h 10m
1 stop
$344Delta
Thu, Jun 18 - Tue, Jun 23
United Airlines Logo
7:10 am - 1:30 pm
AUS
-
IDA
7h 20m
1 stop
United Airlines Logo
2:40 pm - 8:51 pm
IDA
-
AUS
5h 11m
1 stop
$349United Airlines
Tue, Feb 17 - Tue, Feb 24
Delta Logo
10:43 am - 10:21 pm
AUS
-
IDA
12h 38m
2 stops
Delta Logo
5:25 am - 6:43 pm
IDA
-
AUS
12h 18m
2 stops
$355Delta
Tue, Feb 24 - Sat, Feb 28
United Airlines Logo
5:30 am - 9:56 am
AUS
-
IDA
5h 26m
1 stop
United Airlines Logo
2:35 pm - 9:06 pm
IDA
-
AUS
5h 31m
1 stop
$365United Airlines
Thu, Mar 12 - Sun, Mar 15
United Airlines Logo
8:50 am - 3:31 pm
AUS
-
IDA
7h 41m
1 stop
United Airlines Logo
2:40 pm - 9:25 pm
IDA
-
AUS
5h 45m
1 stop
$374United Airlines
Sat, Jan 31 - Tue, Feb 3
United Airlines Logo
5:30 am - 3:31 pm
AUS
-
IDA
11h 01m
2 stops
United Airlines Logo
2:40 pm - 9:25 pm
IDA
-
AUS
5h 45m
1 stop
$379United Airlines
Sat, Jan 31 - Tue, Feb 3
United Airlines Logo
5:30 am - 3:31 pm
AUS
-
IDA
11h 01m
2 stops
United Airlines Logo
2:40 pm - 10:59 pm
IDA
-
AUS
7h 19m
2 stops
$385United Airlines
Sat, Jan 31 - Tue, Feb 3

Alaska Airlines flights from Austin to Idaho Falls

Our best Alaska Airlines deals on Austin to Idaho Falls flight tickets
Alaska Airlines
Feb 24
AUS7:15 amAustin Bergstrom
10h 28m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
Feb 28
IDA5:20 pmIdaho Falls Fanning Field
20h 15m
1 stop
AUS2:35 pmAustin Bergstrom
$289
Alaska Airlines
Jun 4
AUS6:00 amAustin Bergstrom
17h 45m
2 stops
IDA10:45 pmIdaho Falls Fanning Field
Jun 10
IDA4:17 pmIdaho Falls Fanning Field
6h 40m
1 stop
AUS11:57 pmAustin Bergstrom
$418
Alaska Airlines
Jun 4
AUS6:00 amAustin Bergstrom
17h 45m
2 stops
IDA10:45 pmIdaho Falls Fanning Field
Jun 10
IDA4:17 pmIdaho Falls Fanning Field
6h 40m
1 stop
AUS11:57 pmAustin Bergstrom
$452

Delta flights from Austin to Idaho Falls

Our best Delta deals on Austin to Idaho Falls flight tickets
Delta
Feb 3
AUS6:50 pmAustin Bergstrom
5h 07m
1 stop
IDA10:57 pmIdaho Falls Fanning Field
Feb 7
IDA1:15 pmIdaho Falls Fanning Field
7h 17m
1 stop
AUS9:32 pmAustin Bergstrom
$339
Delta
Feb 3
AUS1:59 pmAustin Bergstrom
9h 58m
2 stops
IDA10:57 pmIdaho Falls Fanning Field
Feb 7
IDA1:15 pmIdaho Falls Fanning Field
7h 17m
1 stop
AUS9:32 pmAustin Bergstrom
$344
Delta
Feb 24
AUS10:43 amAustin Bergstrom
12h 38m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
Feb 28
IDA5:25 amIdaho Falls Fanning Field
12h 18m
2 stops
AUS6:43 pmAustin Bergstrom
$355

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Idaho Falls 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, momondo users made 832,500 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Austin to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 2/24

7:15 am-4:43 pm

1 stop10h 28m

Idaho Falls Fanning Field

Sat 2/28

5:20 pm-2:35 pm

1 stop20h 15m

$289

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 6/4

6:20 pm-10:53 pm

1 stop5h 33m

Idaho Falls Fanning Field

Wed 6/10

5:57 pm-11:38 pm

1 stop4h 41m

$314

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 2/24

7:10 am-1:30 pm

1 stop7h 20m

Idaho Falls Fanning Field

Sat 2/28

2:40 pm-11:15 pm

2 stops7h 35m

$319

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 6/18

12:30 pm-6:14 pm

1 stop6h 44m

Idaho Falls Fanning Field

Tue 6/23

3:04 pm-9:14 pm

1 stop5h 10m

$344

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 2/17

7:10 am-1:30 pm

1 stop7h 20m

Idaho Falls Fanning Field

Tue 2/24

2:40 pm-8:51 pm

1 stop5h 11m

$349

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 2/24

10:43 am-10:21 pm

2 stops12h 38m

Idaho Falls Fanning Field

Sat 2/28

5:25 am-6:43 pm

2 stops12h 18m

$355

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 3/12

5:30 am-9:56 am

1 stop5h 26m

Idaho Falls Fanning Field

Sun 3/15

2:35 pm-9:06 pm

1 stop5h 31m

$365

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 1/31

8:50 am-3:31 pm

1 stop7h 41m

Idaho Falls Fanning Field

Tue 2/3

2:40 pm-9:25 pm

1 stop5h 45m

$374

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 1/31

5:30 am-3:31 pm

2 stops11h 01m

Idaho Falls Fanning Field

Tue 2/3

2:40 pm-9:25 pm

1 stop5h 45m

$379

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 1/31

5:30 am-3:31 pm

2 stops11h 01m

Idaho Falls Fanning Field

Tue 2/3

2:40 pm-10:59 pm

2 stops7h 19m

$385

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Austin to Idaho Falls

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

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $402.

When to book flights from Austin to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to Idaho Falls (AUS to IDA) flight deals and tips

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

Fastest flight time

4h 43m

Direct flights

None
The fastest flight from Austin to Idaho Falls takes 4h 43m
There are no direct flights from Austin to Idaho Falls. There are no popular flight routes from Austin to Idaho Falls.
Search flight deals

  • How far is Austin Bergstrom to Idaho Falls Fanning Field by plane?

    There are 1201.3 mi between Austin Bergstrom and Idaho Falls Fanning Field. A reasonable flight in good conditions will take 4h 43m.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Idaho Falls Fanning Field Airport?

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

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to Idaho Falls Fanning Field Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The necessary travel and health documents for your Idaho Falls Fanning Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Austin to Idaho Falls?

Best airlines flying from Austin to Idaho Falls

Compare and see reviews for airlines that fly from Austin to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $139Free CancellationRating
7.9
8,085 reviews
Search Delta flights
United AirlinesPriceFrom $400Free CancellationRating
7.4
9,188 reviews
Search United Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Austin to Idaho Falls for you.

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

Flights from Austin to Idaho Falls 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 Austin to Idaho Falls?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Idaho Falls.

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

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from Austin and alert you when they change.

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