AUS - IDA

$190 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
$252
Typical prices: $411-$535
Multiple Airlines
Sun 1/7Mon 1/22
AUS - IDA • 1 stop
Cheapest one-way
$190
Typical prices: $189-$305
American Airlines
Mon 11/26
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 • 32% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Portland (PDX)
Cheapest • Avg $398 (round-trip)
Denver Intl (DEN)
Shortest trip • 5h 35m (one-way)
Insights
Insights
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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, Jan 7 - Fri, Jan 22
Multiple Airlines Logo
9:29 pm - 12:47 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
16h 18m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:48 pm - 7:33 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
23h 45m1 stop Las Vegas Harry Reid Intl
$252Multiple Airlines
Thu, Jan 7 - Fri, Jan 22
Multiple Airlines Logo
7:43 pm - 6:58 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
24h 15m2 stops Denver Intl Santa Ana J. Wayne/Orange Cnty
Multiple Airlines Logo
6:48 pm - 7:33 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
23h 45m1 stop Las Vegas Harry Reid Intl
$260Multiple Airlines
Tue, Mar 23 - Sat, Mar 27
United Airlines Logo
5:30 am - 9:28 amAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
4h 58m1 stop Denver Intl
United Airlines Logo
7:00 am - 1:20 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
5h 20m1 stop Denver Intl
$379United Airlines
Thu, Dec 3 - Mon, Dec 7
Alaska Airlines Logo
5:51 pm - 1:17 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
20h 26m1 stop Portland
Alaska Airlines Logo
3:44 pm - 11:59 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
7h 15m1 stop Portland
$379Alaska Airlines
Tue, Mar 23 - Sat, Mar 27
United Airlines Logo
5:15 am - 1:35 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
9h 20m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
7:00 am - 1:20 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
5h 20m1 stop Denver Intl
$384United Airlines
Sat, Jan 9 - Wed, Jan 13
Alaska Airlines Logo
7:15 am - 3:21 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
9h 06m1 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
$401Alaska Airlines
Sat, Jan 9 - Wed, Jan 13
Alaska Airlines Logo
7:15 am - 3:21 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
9h 06m1 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
$409Alaska Airlines
Thu, Dec 3 - Mon, Dec 7
Delta Logo
1:06 pm - 10:07 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
10h 01m2 stops Los Angeles Salt Lake City
Delta Logo
5:35 am - 11:38 amIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
5h 03m1 stop Salt Lake City
$414Delta
Tue, Mar 23 - Sat, Mar 27
United Airlines Logo
2:15 pm - 9:04 pmAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
7h 49m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
7:00 am - 3:33 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
7h 33m2 stops Denver Intl Houston George Bush Intcntl
$448United Airlines
Fri, Nov 13 - Fri, Nov 20
Multiple Airlines Logo
7:12 pm - 8:12 amAUS  Austin Bergstrom-IDA Idaho Falls Fanning Field
38h 00m2 stops Grand Rapids Gerald R. Ford Intl Phoenix-Mesa Gateway
Multiple Airlines Logo
10:25 pm - 8:37 pmIDA  Idaho Falls Fanning Field-AUS Austin Bergstrom
21h 12m1 stop Las Vegas Harry Reid Intl
$512Multiple 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 with more confidence.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Austin to Idaho Falls. It’s 8% cheaper than the average day, while Monday is the most expensive, with prices 32% higher.

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Key details for Austin to Idaho Falls flights

Low season

March

Cheapest flight

$190
Beat the crowds with an average 84% drop in travelers.
The most popular month to fly with an average 53% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

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

    Two cabin classes are available on flights from Austin to Idaho Falls:

    • Economy Class
    • First Class

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

    A nonstop flight from Austin to Idaho Falls takes 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.

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

    Round-trip flights from Austin to Idaho Falls range from $411 to $535, with an average of $467 over the past 12 months. Anything below $411 counts as a good deal.

  • 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 $252 to $2,415. That means the highest observed fare was about 10x 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 $326, which is 26% above the typical average for this route.

  • 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 averaging $96 for economy cars. Top options include:

    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Budget
    • National

  • 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).

  • 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) - 58% of one-stop connections
    • Portland (PDX) - 21% of one-stop connections
    • Salt Lake City (SLC) - 11% of one-stop connections
    • Dallas/Fort Worth (DFW) - 8% of one-stop connections

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

    Yes. Flexible dates can save you up to 31% on flights from Austin to Idaho Falls. Saturday is the cheapest departure day at $434 round-trip on average, while Monday is the most expensive at $621, a difference of $187.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • 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 35m, compared with 5h 38m via Salt Lake City (SLC) and 6h 31m via Dallas/Fort Worth (DFW).

  • 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.

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 are flexible, aim for a Saturday departure and avoid flying on Monday. On this route, Saturday flights average $434, about $187 less than Monday fares (30% 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 $375 less than the most expensive month, which is April (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
    • Best Western Plus CottonTree Inn

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