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Cheap flights from Austin to Idaho Falls from $149

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 10/11. 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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Find the cheapest flights from Austin to Idaho Falls

Cheap round-trip flights

Logo
9:41 pm - 11:06 amAUS-IDA
14h 25m1 stop
Logo
8:43 pm - 11:44 amIDA-AUS
14h 01m1 stop
$289
Find Deal
Sun, Sep 14 - Thu, Sep 18
United Airlines Logo
3:00 pm - 8:54 pmAUS-IDA
6h 54m1 stop
United Airlines Logo
4:00 pm - 11:58 pmIDA-AUS
6h 58m1 stop
$299United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
United Airlines Logo
9:35 am - 5:23 pmAUS-IDA
8h 48m2 stops
United Airlines Logo
4:00 pm - 11:58 pmIDA-AUS
6h 58m1 stop
$304United Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23
Delta Logo
12:40 pm - 6:11 pmAUS-IDA
6h 31m1 stop
Delta Logo
3:00 pm - 9:02 pmIDA-AUS
5h 02m1 stop
$355Delta
Find Deal
Wed, Sep 3 - Wed, Sep 10
Delta Logo
7:20 am - 6:11 pmAUS-IDA
11h 51m2 stops
Delta Logo
3:00 pm - 9:02 pmIDA-AUS
5h 02m1 stop
$360Delta
Find Deal
Wed, Sep 3 - Wed, Sep 10
Hawaiian Airlines Logo
7:00 am - 3:13 pmAUS-IDA
9h 13m1 stop
Hawaiian Airlines Logo
5:05 am - 2:14 pmIDA-AUS
8h 09m1 stop
$381Hawaiian Airlines
Find Deal
Thu, Oct 30 - Sun, Nov 2
Alaska Airlines Logo
7:15 am - 3:38 pmAUS-IDA
9h 23m1 stop
Alaska Airlines Logo
4:15 pm - 12:31 pmIDA-AUS
19h 16m2 stops
$402Alaska Airlines
Find Deal
Tue, Oct 14 - Mon, Oct 20
Alaska Airlines Logo
7:00 am - 11:59 pmAUS-IDA
17h 59m1 stop
Alaska Airlines Logo
3:50 pm - 6:18 pmIDA-AUS
25h 28m1 stop
$442Alaska Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
American Airlines Logo
6:00 am - 12:09 pmAUS-IDA
7h 09m1 stop
American Airlines Logo
6:44 am - 9:06 pmIDA-AUS
13h 22m1 stop
$449American Airlines
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Sun, Sep 14 - Tue, Sep 23
American Airlines Logo
2:18 pm - 9:25 pmAUS-IDA
8h 07m1 stop
American Airlines Logo
1:35 pm - 8:05 amIDA-AUS
17h 30m1 stop
$984American Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10

United Airlines flights from Austin to Idaho Falls

Our best United Airlines deals on Austin to Idaho Falls flight tickets
United Airlines
Sep 16
AUS3:00 pmAustin Bergstrom
6h 54m
1 stop
IDA8:54 pmIdaho Falls Fanning Field
Sep 23
IDA4:00 pmIdaho Falls Fanning Field
6h 58m
1 stop
AUS11:58 pmAustin Bergstrom
$299
Find similar
United Airlines
Sep 16
AUS9:35 amAustin Bergstrom
8h 48m
2 stops
IDA5:23 pmIdaho Falls Fanning Field
Sep 23
IDA4:00 pmIdaho Falls Fanning Field
6h 58m
1 stop
AUS11:58 pmAustin Bergstrom
$304
Find similar
United Airlines
Oct 14
AUS3:45 pmAustin Bergstrom
6h 07m
1 stop
IDA8:52 pmIdaho Falls Fanning Field
Oct 20
IDA5:56 pmIdaho Falls Fanning Field
5h 03m
1 stop
AUS11:59 pmAustin Bergstrom
$345
Find similar

Delta flights from Austin to Idaho Falls

Our best Delta deals on Austin to Idaho Falls flight tickets
Delta
Sep 3
AUS12:40 pmAustin Bergstrom
6h 31m
1 stop
IDA6:11 pmIdaho Falls Fanning Field
Sep 10
IDA3:00 pmIdaho Falls Fanning Field
5h 02m
1 stop
AUS9:02 pmAustin Bergstrom
$355
Find similar
Delta
Sep 3
AUS7:20 amAustin Bergstrom
11h 51m
2 stops
IDA6:11 pmIdaho Falls Fanning Field
Sep 10
IDA3:00 pmIdaho Falls Fanning Field
5h 02m
1 stop
AUS9:02 pmAustin Bergstrom
$360
Find similar
Delta
Sep 14
AUS7:20 amAustin Bergstrom
11h 51m
2 stops
IDA6:11 pmIdaho Falls Fanning Field
Sep 23
IDA6:51 pmIdaho Falls Fanning Field
13h 47m
2 stops
AUS9:38 amAustin Bergstrom
$365
Find similar

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 August 21, 2025.
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

Sun 9/14

9:41 pm-11:06 am

1 stop14h 25m

Idaho Falls Fanning Field

Thu 9/18

8:43 pm-11:44 am

1 stop14h 01m

$289

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 9/16

3:00 pm-8:54 pm

1 stop6h 54m

Idaho Falls Fanning Field

Tue 9/23

4:00 pm-11:58 pm

1 stop6h 58m

$299

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 9/16

9:35 am-5:23 pm

2 stops8h 48m

Idaho Falls Fanning Field

Tue 9/23

4:00 pm-11:58 pm

1 stop6h 58m

$304

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 9/3

12:40 pm-6:11 pm

1 stop6h 31m

Idaho Falls Fanning Field

Wed 9/10

3:00 pm-9:02 pm

1 stop5h 02m

$355

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 9/3

7:20 am-6:11 pm

2 stops11h 51m

Idaho Falls Fanning Field

Wed 9/10

3:00 pm-9:02 pm

1 stop5h 02m

$360

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 10/30

7:00 am-3:13 pm

1 stop9h 13m

Idaho Falls Fanning Field

Sun 11/2

5:05 am-2:14 pm

1 stop8h 09m

$381

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Tue 10/14

7:15 am-3:38 pm

1 stop9h 23m

Idaho Falls Fanning Field

Mon 10/20

4:15 pm-12:31 pm

2 stops19h 16m

$402

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 10/31

7:00 am-11:59 pm

1 stop17h 59m

Idaho Falls Fanning Field

Fri 11/7

3:50 pm-6:18 pm

1 stop25h 28m

$442

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sun 9/14

6:00 am-12:09 pm

1 stop7h 09m

Idaho Falls Fanning Field

Tue 9/23

6:44 am-9:06 pm

1 stop13h 22m

$449

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Wed 9/3

2:18 pm-9:25 pm

1 stop8h 07m

Idaho Falls Fanning Field

Wed 9/10

1:35 pm-8:05 am

1 stop17h 30m

$984

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 typical price of a round-trip flight between Austin and Idaho Falls?

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Friday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $523. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $757.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from Austin to Idaho Falls during this time can be as low as $562. Try not to purchase tickets at noon because they tend to be around $687. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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 32m.

  • 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 $309Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $400Free CancellationRating
7.4
8,930 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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