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Cheap flights from Austin to Idaho Falls from $212

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 12/24. 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
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.
Delta Logo
8:05 am - 12:34 pmAUS-IDA
5h 29m1 stop
Delta Logo
1:15 pm - 9:32 pmIDA-AUS
7h 17m1 stop
$363Delta
Find Deal
jue., ene. 8 - lun., ene. 12
Delta Logo
8:05 am - 12:34 pmAUS-IDA
5h 29m1 stop
Delta Logo
6:35 pm - 4:00 pmIDA-AUS
20h 25m2 stops
$367Delta
Find Deal
jue., ene. 8 - lun., ene. 12
Delta Logo
8:05 am - 12:34 pmAUS-IDA
5h 29m1 stop
Delta Logo
6:35 pm - 9:51 amIDA-AUS
14h 16m2 stops
$368Delta
Find Deal
jue., ene. 8 - lun., ene. 12
Delta Logo
8:05 am - 12:34 pmAUS-IDA
5h 29m1 stop
Delta Logo
1:15 pm - 9:32 pmIDA-AUS
7h 17m1 stop
$371Delta
Find Deal
jue., ene. 8 - lun., ene. 12
Delta Logo
10:58 am - 10:19 pmAUS-IDA
12h 21m2 stops
Delta Logo
6:35 pm - 4:00 pmIDA-AUS
20h 25m2 stops
$372Delta
Find Deal
jue., ene. 8 - lun., ene. 12
Delta Logo
10:58 am - 10:19 pmAUS-IDA
12h 21m2 stops
Delta Logo
6:35 pm - 9:51 amIDA-AUS
14h 16m2 stops
$373Delta
Find Deal
jue., ene. 8 - lun., ene. 12
Multiple Airlines Logo
4:48 pm - 2:20 pmAUS-IDA
22h 32m1 stop
Multiple Airlines Logo
10:52 pm - 12:14 amIDA-AUS
48h 22m2 stops
$408Multiple Airlines
Find Deal
dom., dic. 21 - lun., dic. 29
Delta Logo
8:04 am - 12:37 pmAUS-IDA
5h 33m1 stop
Delta Logo
6:00 am - 1:10 pmIDA-AUS
6h 10m1 stop
$466Delta
Find Deal
mar., dic. 9 - sáb., dic. 13
Delta Logo
8:04 am - 12:37 pmAUS-IDA
5h 33m1 stop
Delta Logo
6:00 am - 5:32 pmIDA-AUS
10h 32m2 stops
$471Delta
Find Deal
mar., dic. 9 - sáb., dic. 13
United Airlines Logo
5:15 am - 9:58 amAUS-IDA
5h 43m1 stop
United Airlines Logo
5:00 am - 11:03 amIDA-AUS
5h 03m1 stop
$472United Airlines
Find Deal
dom., dic. 21 - lun., dic. 29

United Airlines flights from Austin to Idaho Falls

Our best United Airlines deals on Austin to Idaho Falls flight tickets
United Airlines
Dec 21
AUS5:15 amAustin Bergstrom
5h 43m
1 stop
IDA9:58 amIdaho Falls Fanning Field
Dec 29
IDA5:00 amIdaho Falls Fanning Field
5h 03m
1 stop
AUS11:03 amAustin Bergstrom
$472
Find similar
United Airlines
Dec 10
AUS5:30 amAustin Bergstrom
9h 05m
2 stops
IDA1:35 pmIdaho Falls Fanning Field
Dec 14
IDA2:45 pmIdaho Falls Fanning Field
7h 57m
1 stop
AUS11:42 pmAustin Bergstrom
$561
Find similar
United Airlines
May 1
AUS5:46 amAustin Bergstrom
8h 43m
2 stops
IDA1:29 pmIdaho Falls Fanning Field
May 7
IDA2:35 pmIdaho Falls Fanning Field
6h 59m
2 stops
AUS10:34 pmAustin Bergstrom
$563
Find similar

American Airlines flights from Austin to Idaho Falls

Our best American Airlines deals on Austin to Idaho Falls flight tickets
American Airlines
Dec 20
AUS2:45 pmAustin Bergstrom
8h 36m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Dec 28
IDA7:00 amIdaho Falls Fanning Field
15h 59m
1 stop
AUS11:59 pmAustin Bergstrom
$1,013
Find similar
American Airlines
Dec 20
AUS2:45 pmAustin Bergstrom
8h 36m
1 stop
IDA10:21 pmIdaho Falls Fanning Field
Dec 28
IDA7:00 amIdaho Falls Fanning Field
11h 13m
2 stops
AUS7:13 pmAustin Bergstrom
$1,137
Find similar
American Airlines
Dec 19
AUS7:00 amAustin Bergstrom
6h 46m
1 stop
IDA12:46 pmIdaho Falls Fanning Field
Dec 27
IDA1:16 pmIdaho Falls Fanning Field
7h 44m
1 stop
AUS10:00 pmAustin Bergstrom
$1,165
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 noviembre 26, 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

jue. 1/8

8:05 am-12:34 pm

1 stop5h 29m

Idaho Falls Fanning Field

lun. 1/12

1:15 pm-9:32 pm

1 stop7h 17m

$363

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

jue. 1/8

8:05 am-12:34 pm

1 stop5h 29m

Idaho Falls Fanning Field

lun. 1/12

6:35 pm-4:00 pm

2 stops20h 25m

$367

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

jue. 1/8

8:05 am-12:34 pm

1 stop5h 29m

Idaho Falls Fanning Field

lun. 1/12

6:35 pm-9:51 am

2 stops14h 16m

$368

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

jue. 1/8

8:05 am-12:34 pm

1 stop5h 29m

Idaho Falls Fanning Field

lun. 1/12

1:15 pm-9:32 pm

1 stop7h 17m

$371

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

jue. 1/8

10:58 am-10:19 pm

2 stops12h 21m

Idaho Falls Fanning Field

lun. 1/12

6:35 pm-4:00 pm

2 stops20h 25m

$372

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

jue. 1/8

10:58 am-10:19 pm

2 stops12h 21m

Idaho Falls Fanning Field

lun. 1/12

6:35 pm-9:51 am

2 stops14h 16m

$373

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

dom. 12/21

4:48 pm-2:20 pm

1 stop22h 32m

Idaho Falls Fanning Field

lun. 12/29

10:52 pm-12:14 am

2 stops48h 22m

$408

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mar. 12/9

8:04 am-12:37 pm

1 stop5h 33m

Idaho Falls Fanning Field

sáb. 12/13

6:00 am-1:10 pm

1 stop6h 10m

$466

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

mar. 12/9

8:04 am-12:37 pm

1 stop5h 33m

Idaho Falls Fanning Field

sáb. 12/13

6:00 am-5:32 pm

2 stops10h 32m

$471

AustinIdaho Falls

AUS - IDA

AUSIDA

Austin Bergstrom

dom. 12/21

5:15 am-9:58 am

1 stop5h 43m

Idaho Falls Fanning Field

lun. 12/29

5:00 am-11:03 am

1 stop5h 03m

$472

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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

Fastest flight time

5h 22m

Direct flights

None
The fastest flight from Austin to Idaho Falls takes 5h 22m
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 5h 17m.

  • 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
7,999 reviews
Search Delta flights
United AirlinesPriceFrom $400Free CancellationRating
7.4
9,046 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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