$150 Cheap Flights from Tucson (TUS) to Idaho Falls (IDA)

View $150 flight on Sat, Oct 11, 2025Opens in a new window

Popular airlines from Tucson International Airport (TUS) to Idaho Falls Regional Airport (IDA)

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Cheap Flights from Tucson to Idaho Falls (TUS-IDA)

Prices were available within the past 7 days and start at $150 for one-way flights and $300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Nov 1 - Sat, Nov 15
TUS
Tucson
IDA
Idaho Falls
$300 Roundtrip, found 22 hours ago
$300
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Sat, Nov 1 from Tucson to Idaho Falls, returning Sat, Nov 15, priced at $300 found 22 hours ago
United
Sat, Aug 30 - Thu, Sep 4
TUS
Tucson
IDA
Idaho Falls
$301 Roundtrip, found 2 days ago
$301
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 30 from Tucson to Idaho Falls, returning Thu, Sep 4, priced at $301 found 2 days ago
Delta
Tue, Aug 26 - Wed, Sep 3
TUS
Tucson
IDA
Idaho Falls
$301 Roundtrip, found 18 hours ago
$301
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, Aug 26 from Tucson to Idaho Falls, returning Wed, Sep 3, priced at $301 found 18 hours ago
American Airlines
Sat, Aug 30 - Thu, Sep 4
TUS
Tucson
IDA
Idaho Falls
$301 Roundtrip, found 2 days ago
$301
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 30 from Tucson to Idaho Falls, returning Thu, Sep 4, priced at $301 found 2 days ago
Delta
Sat, Nov 1 - Tue, Nov 11
TUS
Tucson
IDA
Idaho Falls
$306 Roundtrip, found 22 hours ago
$306
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Nov 1 from Tucson to Idaho Falls, returning Tue, Nov 11, priced at $306 found 22 hours ago
Bargain Flight
Wed, Oct 29 - Sat, Nov 8
TUS
Tucson
IDA
Idaho Falls
$310 Roundtrip, found 1 day ago
$310
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Wed, Oct 29 from Tucson to Idaho Falls, returning Sat, Nov 8, priced at $310 found 1 day ago
Alaska Airlines
Mon, Oct 27 - Sat, Nov 15
TUS
Tucson
IDA
Idaho Falls
$314 Roundtrip, found 22 hours ago
$314
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Mon, Oct 27 from Tucson to Idaho Falls, returning Sat, Nov 15, priced at $314 found 22 hours ago
United
Wed, Oct 29 - Sat, Nov 8
TUS
Tucson
IDA
Idaho Falls
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select United flight, departing Wed, Oct 29 from Tucson to Idaho Falls, returning Sat, Nov 8, priced at $317 found 1 day ago
American Airlines
Sat, Aug 30 - Thu, Sep 4
TUS
Tucson
IDA
Idaho Falls
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Aug 30 from Tucson to Idaho Falls, returning Thu, Sep 4, priced at $318 found 2 days ago
Delta
Sat, Nov 1 - Mon, Nov 3
TUS
Tucson
IDA
Idaho Falls
$320 Roundtrip, found 4 days ago
$320
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov 1 from Tucson to Idaho Falls, returning Mon, Nov 3, priced at $320 found 4 days ago
Flights from Tucson (TUS) to Idaho Falls (IDA)
Origin airport
Tucson Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$300
Distance
789 mi

Tucson to Idaho Falls Flights

The cheapest times to fly from Tucson to Idaho Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Tucson to Idaho Falls are during the month of November. You can find some of the cheapest flights from Tucson to Idaho Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tucson to Idaho Falls

Sunday is one of the best days to book for cheap flights from Tucson to Idaho Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Tucson to Idaho Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Tucson to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $150 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Tucson to Idaho Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Tucson to Idaho Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA) cost?
Discover the latest flight deals from TUS to IDA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from TUS to IDA?
The cheapest flights from TUS to IDA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from TUS to IDA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from TUS to IDA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA)?
Direct flights from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from TUS to IDA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA)?
Select a flight from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA) last-minute?
Booking your flight from TUS to IDA just before your trip is usually more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a TUS to IDA flight and hotel package?
Compared with arranging hotels and flights separately, booking a TUS to IDA flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA)?
Usually, it's possible to cancel or reschedule your TUS to IDA flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

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$346.37
*Available to One Key members.