Cheap flights from Austin to Idaho Falls from $206
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 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Austin to Idaho Falls
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Austin to Idaho Falls
Our best Delta deals on Austin to Idaho Falls flight tickets
United Airlines flights from Austin to Idaho Falls
Our best United Airlines deals on Austin to Idaho Falls flight tickets
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 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.
What is the cheapest airline that flies from Austin Bergstrom to Idaho Falls Fanning Field?
Hawaiian Airlines, American Airlines, and United Airlines are the most popular carriers operating from Austin Bergstrom to Idaho Falls Fanning Field
What airlines fly to Idaho Falls?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Idaho Falls from Austin according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.
When to book flights from Austin to Idaho Falls
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
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 29m.
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?
As of July 2025, there are 3 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Austin to Idaho Falls is United Airlines, representing 61% of all bookings. The subsequent popular airlines are American Airlines at 22% and Delta at 16%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $288 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $324 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $400 | Free Cancellation | Rating 7.4 8,861 reviews |
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsWhy 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.