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Cheap flights from Austin to Idaho Falls from $153

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 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Austin to Idaho Falls

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:24 pm - 4:00 pm
AUS
-
IDA
18h 36m
1 stop
Multiple Airlines Logo
9:33 pm - 11:59 pm
IDA
-
AUS
25h 26m
2 stops
$324Multiple Airlines
Thu, Oct 8 - Mon, Oct 12
Multiple Airlines Logo
10:24 pm - 4:00 pm
AUS
-
IDA
18h 36m
1 stop
Multiple Airlines Logo
9:33 pm - 11:59 pm
IDA
-
AUS
25h 26m
2 stops
$343Multiple Airlines
Thu, Oct 8 - Mon, Oct 12
Alaska Airlines Logo
7:15 am - 1:24 pm
AUS
-
IDA
7h 09m
1 stop
Alaska Airlines Logo
2:01 pm - 11:14 pm
IDA
-
AUS
8h 13m
1 stop
$413Alaska Airlines
Sat, Sep 5 - Wed, Sep 9
Alaska Airlines Logo
7:15 am - 1:24 pm
AUS
-
IDA
7h 09m
1 stop
Alaska Airlines Logo
3:57 pm - 11:59 pm
IDA
-
AUS
7h 02m
1 stop
$413Alaska Airlines
Sat, Sep 5 - Tue, Sep 8
Alaska Airlines Logo
5:52 pm - 1:24 pm
AUS
-
IDA
20h 32m
1 stop
Alaska Airlines Logo
3:57 pm - 11:59 pm
IDA
-
AUS
7h 02m
1 stop
$413Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
Delta Logo
12:00 pm - 10:32 pm
AUS
-
IDA
11h 32m
2 stops
Delta Logo
6:00 am - 11:27 am
IDA
-
AUS
4h 27m
1 stop
$418Delta
Sat, Sep 5 - Wed, Sep 9
United Airlines Logo
5:30 am - 9:53 am
AUS
-
IDA
5h 23m
1 stop
United Airlines Logo
5:51 pm - 11:59 pm
IDA
-
AUS
5h 08m
1 stop
$422United Airlines
Thu, Oct 8 - Tue, Oct 13
Delta Logo
12:00 pm - 10:32 pm
AUS
-
IDA
11h 32m
2 stops
Delta Logo
6:00 am - 3:20 pm
IDA
-
AUS
8h 20m
2 stops
$423Delta
Sat, Sep 5 - Wed, Sep 9
American Airlines Logo
6:00 am - 11:30 am
AUS
-
IDA
6h 30m
1 stop
American Airlines Logo
2:20 pm - 9:33 pm
IDA
-
AUS
6h 13m
1 stop
$439American Airlines
Fri, Aug 21 - Fri, Aug 28
United Airlines Logo
5:30 am - 9:51 am
AUS
-
IDA
5h 21m
1 stop
United Airlines Logo
2:25 pm - 8:44 pm
IDA
-
AUS
5h 19m
1 stop
$484United Airlines
Fri, Aug 14 - Mon, Aug 17

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Delta flights from Austin to Idaho Falls

Our best Delta deals on Austin to Idaho Falls flight tickets
Delta
Sep 5
AUS12:00 pmAustin Bergstrom
11h 32m
2 stops
IDA10:32 pmIdaho Falls Fanning Field
Sep 9
IDA6:00 amIdaho Falls Fanning Field
4h 27m
1 stop
AUS11:27 amAustin Bergstrom
$418
Delta
Sep 5
AUS12:00 pmAustin Bergstrom
11h 32m
2 stops
IDA10:32 pmIdaho Falls Fanning Field
Sep 9
IDA6:00 amIdaho Falls Fanning Field
8h 20m
2 stops
AUS3:20 pmAustin Bergstrom
$423
Delta
Sep 3
AUS12:20 pmAustin Bergstrom
23h 30m
1 stop
IDA10:50 amIdaho Falls Fanning Field
Sep 9
IDA6:00 amIdaho Falls Fanning Field
4h 27m
1 stop
AUS11:27 amAustin Bergstrom
$429

United Airlines flights from Austin to Idaho Falls

Our best United Airlines deals on Austin to Idaho Falls flight tickets
United Airlines
Oct 8
AUS5:30 amAustin Bergstrom
5h 23m
1 stop
IDA9:53 amIdaho Falls Fanning Field
Oct 13
IDA5:51 pmIdaho Falls Fanning Field
5h 08m
1 stop
AUS11:59 pmAustin Bergstrom
$422
United Airlines
Aug 14
AUS5:30 amAustin Bergstrom
5h 21m
1 stop
IDA9:51 amIdaho Falls Fanning Field
Aug 17
IDA2:25 pmIdaho Falls Fanning Field
5h 19m
1 stop
AUS8:44 pmAustin Bergstrom
$484
United Airlines
Aug 11
AUS5:30 amAustin Bergstrom
8h 59m
2 stops
IDA1:29 pmIdaho Falls Fanning Field
Aug 14
IDA2:25 pmIdaho Falls Fanning Field
5h 19m
1 stop
AUS8:44 pmAustin Bergstrom
$510

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 July 29, 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

Cheapest round-trip

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 10/8

10:24 pm-4:00 pm

1 stop18h 36m

Idaho Falls Fanning Field

Mon 10/12

9:33 pm-11:59 pm

2 stops25h 26m

$324

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 10/8

10:24 pm-4:00 pm

1 stop18h 36m

Idaho Falls Fanning Field

Mon 10/12

9:33 pm-11:59 pm

2 stops25h 26m

$343

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

7:15 am-1:24 pm

1 stop7h 09m

Idaho Falls Fanning Field

Wed 9/9

2:01 pm-11:14 pm

1 stop8h 13m

$413

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

7:15 am-1:24 pm

1 stop7h 09m

Idaho Falls Fanning Field

Tue 9/8

3:57 pm-11:59 pm

1 stop7h 02m

$413

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

5:52 pm-1:24 pm

1 stop20h 32m

Idaho Falls Fanning Field

Sat 9/12

3:57 pm-11:59 pm

1 stop7h 02m

$413

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

12:00 pm-10:32 pm

2 stops11h 32m

Idaho Falls Fanning Field

Wed 9/9

6:00 am-11:27 am

1 stop4h 27m

$418
Quickest round-trip

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Thu 10/8

5:30 am-9:53 am

1 stop5h 23m

Idaho Falls Fanning Field

Tue 10/13

5:51 pm-11:59 pm

1 stop5h 08m

$422

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Sat 9/5

12:00 pm-10:32 pm

2 stops11h 32m

Idaho Falls Fanning Field

Wed 9/9

6:00 am-3:20 pm

2 stops8h 20m

$423

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 8/21

6:00 am-11:30 am

1 stop6h 30m

Idaho Falls Fanning Field

Fri 8/28

2:20 pm-9:33 pm

1 stop6h 13m

$439

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

Fri 8/14

5:30 am-9:51 am

1 stop5h 21m

Idaho Falls Fanning Field

Mon 8/17

2:25 pm-8:44 pm

1 stop5h 19m

$484

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

Prices are currently typical for flights on this route.

Typical prices usually range from $316 to $540.
The lowest price recently found on this route was $324.

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 March is also cheap. Prices for this month can be found on momondo for an average of $311.

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 47m

Direct flights

None
The fastest flight from Austin to Idaho Falls takes 4h 47m
There are no direct flights from Austin to Idaho Falls. There are no popular flight routes from Austin to Idaho Falls.
Search flight deals

Frequently asked questions about flying from Austin to Idaho Falls

  • 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 47m.

  • 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
7.8
8,493 reviews
Search Delta flights
Alaska AirlinesPriceFrom $237Free CancellationRating
7.9
12,733 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
10,053 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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