AUS - IDA

$187 Find Cheap Flights from Austin to Idaho Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$248
Typical prices: $378-$523
Multiple Airlines
Mon 12/3Fri 12/14
AUS - IDA • 1 stop
Cheapest one-way
$187
Typical prices: $189-$305
United Airlines
Thu 10/4
AUS - IDA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Austin and Idaho Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
August
Cheapest • 30% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Portland (PDX)
Cheapest • Avg $386 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 32m (one-way)
Insights
Insights
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We hope you love your trip to Idaho Falls!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Austin to Idaho Falls (AUS-IDA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Austin to Idaho Falls

Thu, Dec 3 - Mon, Dec 14
Multiple Airlines Logo
12:42 pm - 12:51 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
25h 09m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:58 pm - 11:45 amIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
14h 47m1 stop Las Vegas Harry Reid Intl
$248Multiple Airlines
Thu, Dec 3 - Mon, Dec 14
Multiple Airlines Logo
12:42 pm - 7:08 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
31h 26m2 stops Las Vegas Harry Reid Intl Santa Ana J. Wayne/Orange Cnty
Multiple Airlines Logo
7:58 pm - 11:45 amIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
14h 47m1 stop Las Vegas Harry Reid Intl
$320Multiple Airlines
Tue, Nov 24 - Mon, Nov 30
Multiple Airlines Logo
10:59 pm - 11:46 amAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
13h 47m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
3:32 pm - 11:45 amIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
19h 13m1 stop Las Vegas Harry Reid Intl
$334Multiple Airlines
Sat, Jan 9 - Wed, Jan 13
Alaska Airlines Logo
3:25 pm - 10:53 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
8h 28m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 11:58 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
9h 02m1 stop Seattle/Tacoma Intl
$339Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
American Airlines Logo
6:00 am - 1:09 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
8h 09m1 stop Dallas/Fort Worth
American Airlines Logo
1:39 pm - 8:37 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
5h 58m1 stop Dallas/Fort Worth
$339American Airlines
Sat, Jan 9 - Wed, Jan 13
Alaska Airlines Logo
3:25 pm - 10:53 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
8h 28m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:56 pm - 11:58 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
9h 02m1 stop Seattle/Tacoma Intl
$359Alaska Airlines
Mon, Sep 28 - Mon, Oct 19
United Airlines Logo
5:30 am - 9:53 amAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
5h 23m1 stop Denver Intl
United Airlines Logo
4:05 pm - 11:59 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
6h 54m1 stop Denver Intl
$374United Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
5:10 am - 1:24 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
9h 14m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
2:28 pm - 8:48 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
5h 20m1 stop Denver Intl
$399United Airlines
Sat, Sep 26 - Wed, Sep 30
United Airlines Logo
5:10 am - 1:24 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
9h 14m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
2:28 pm - 8:48 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
5h 20m1 stop Denver Intl
$399United Airlines
Wed, Oct 28 - Sat, Oct 31
Alaska Airlines Logo
5:52 pm - 1:21 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
20h 29m1 stop Portland
Alaska Airlines Logo
6:09 am - 7:19 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
12h 10m2 stops Seattle/Tacoma Intl San Diego
$408Alaska Airlines
Booking Insights

Price, demand and travel trends for Austin to Idaho Falls flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Austin to Idaho Falls with more confidence.

What's the cheapest day of the week to fly from Austin to Idaho Falls?

Tuesday is the cheapest day of the week to fly from Austin to Idaho Falls, it is 7% cheaper than the average day. Monday is the most expensive day with flight prices 45% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Austin to Idaho Falls flights

Low season

March

Cheapest flight

$187
Best time to beat the crowds but there is an average 33% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from Austin to Idaho Falls

When to book flights from Austin to Idaho Falls

Are your dates flexible? Find out the best times to travel from Austin to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Austin to Idaho Falls flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Austin to Idaho Falls?

    Flights from Austin to Idaho Falls usually depart from Austin Bergstrom (AUS) and arrive at Idaho Falls Fanning Field (IDA).

  • What cabin classes can I book on flights from Austin to Idaho Falls?

    Only Economy Class is available on flights from Austin to Idaho Falls.

  • Which airports do connecting flights from Austin to Idaho Falls pass through?

    One-stop flights from Austin to Idaho Falls most commonly connect through:

    • Denver Intl (DEN) - 67% of one-stop connections
    • Portland (PDX) - 22% of one-stop connections
    • Salt Lake City (SLC) - 7% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 4% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Austin to Idaho Falls?

    Yes. Being flexible with your travel dates can save you up to 37% on the Austin to Idaho Falls route. Tuesday is the cheapest departure day at $417 round-trip on average, while Monday is the most expensive at $652, a difference of $235. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How long is a flight from Austin to Idaho Falls?

    A nonstop flight from Austin to Idaho Falls takes 0h 00m, covering 1,212 miles.

  • Do I need a passport to fly from Austin to Idaho Falls?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Austin to Idaho Falls changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $248 to $1,862. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Austin to Idaho Falls looking right now?

    One-way fares from Austin to Idaho Falls are currently higher than usual. Average one-way flight prices are about $300, which is 16% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Austin to Idaho Falls?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 5h 32m, compared with 5h 42m via Salt Lake City (SLC) and 6h 49m via Portland (PDX).

  • What is the time difference between Austin and Idaho Falls?

    Idaho Falls is 1 hour behind Austin (Mountain Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car rental companies, with daily rates starting from around $34 for economy cars. Top options include:
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • How much should I expect to pay for a Austin to Idaho Falls flight?

    Round-trip flights from Austin to Idaho Falls range from $378 to $523, with an average of $448 over the past 12 months. Anything below $378 counts as a good deal.

Your guide to booking Austin to Idaho Falls flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Tuesday departure instead of Monday. On this route, Tuesday flights average $417 - about $235 less than Monday (36% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Austin to Idaho Falls trip for August. Fares historically average $316 round-trip in that month - typically $417 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Idaho Falls Fanning Field Airport.
    - Tru by Hilton Idaho Falls
    - Comfort Suites Idaho Falls
    - Hilton Garden Inn Idaho Falls

More options for your flight from Austin to Idaho Falls

Complete your trip to Idaho Falls with a hotel stay or car rental

Car rentals in Idaho Falls
Hotels in Idaho Falls
Vacations in Idaho Falls