$156 Cheap Flights from Tucson (TUS) to Idaho Falls (IDA)

View $156 flight on Wed, Nov 5, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $156 for one-way flights and $238 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Jan 21 - Tue, Feb 3
TUS
Tucson
IDA
Idaho Falls
$238 Roundtrip, found 4 days ago
$238
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Jan 21 from Tucson to Idaho Falls, returning Tue, Feb 3, priced at $238 found 4 days ago
Delta
Sat, Jan 31 - Tue, Feb 10
TUS
Tucson
IDA
Idaho Falls
$239 Roundtrip, found 4 days ago
$239
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Jan 31 from Tucson to Idaho Falls, returning Tue, Feb 10, priced at $239 found 4 days ago
Hawaiian Airlines
Sat, Jan 24 - Tue, Feb 3
TUS
Tucson
IDA
Idaho Falls
$261 Roundtrip, found 4 days ago
$261
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 24 from Tucson to Idaho Falls, returning Tue, Feb 3, priced at $261 found 4 days ago
Hawaiian Airlines
Wed, Jan 21 - Thu, Feb 5
TUS
Tucson
IDA
Idaho Falls
$271 Roundtrip, found 4 days ago
$271
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 21 from Tucson to Idaho Falls, returning Thu, Feb 5, priced at $271 found 4 days ago
Alaska Airlines
Wed, Jan 7 - Wed, Jan 21
TUS
Tucson
IDA
Idaho Falls
$278 Roundtrip, found 4 days ago
$278
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Jan 7 from Tucson to Idaho Falls, returning Wed, Jan 21, priced at $278 found 4 days ago
United
Sun, Feb 8 - Wed, Feb 11
TUS
Tucson
IDA
Idaho Falls
$280 Roundtrip, found 10 hours ago
$280
Roundtrip
found 10 hours ago
Select United flight, departing Sun, Feb 8 from Tucson to Idaho Falls, returning Wed, Feb 11, priced at $280 found 10 hours ago
American Airlines
Sun, Feb 8 - Wed, Feb 11
TUS
Tucson
IDA
Idaho Falls
$280 Roundtrip, found 10 hours ago
$280
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Feb 8 from Tucson to Idaho Falls, returning Wed, Feb 11, priced at $280 found 10 hours ago
Alaska Airlines
Sat, Nov 8 - Sat, Nov 15
TUS
Tucson
IDA
Idaho Falls
$285 Roundtrip, found 2 days ago
$285
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Nov 8 from Tucson to Idaho Falls, returning Sat, Nov 15, priced at $285 found 2 days ago
American Airlines
Sun, Feb 8 - Wed, Feb 11
TUS
Tucson
IDA
Idaho Falls
$291 Roundtrip, found 10 hours ago
$291
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Feb 8 from Tucson to Idaho Falls, returning Wed, Feb 11, priced at $291 found 10 hours ago
Delta
Tue, Jan 27 - Mon, Feb 16
TUS
Tucson
IDA
Idaho Falls
$294 Roundtrip, found 4 days ago
$294
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Jan 27 from Tucson to Idaho Falls, returning Mon, Feb 16, priced at $294 found 4 days ago

Alternative airports near Idaho Falls

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Idaho Falls Regional IDA. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $349
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $349

Frequently asked questions

How much does a flight from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA) cost?
Snag a cheap one-way flight from $156 or cheap return flight from $238 from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA)?
January is the cheapest month to fly from TUS to IDA. Avoiding peak travel times is often the key to finding better deals on flights.
What is the cheapest airline that flies from Tucson Intl. Airport (TUS) to Idaho Falls Regional Airport (IDA)?
To find the cheapest airline that'll fly you from TUS to IDA, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
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.

Travel information

Origin airport
Tucson Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$238
Distance
789 mi

Book with confidence

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 January. 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 $156 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.

 

Tucson to Idaho Falls Flights

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*Available to One Key members.