$121 Cheap Flights from Sacramento (SMF) to Idaho Falls (IDA)

View $121 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA)

Cheap Flights from Sacramento to Idaho Falls (SMF-IDA)

Prices were available within the past 7 days and start at $121 for one-way flights and $242 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Tue, Nov 11 - Tue, Nov 18
SMF
Sacramento
IDA
Idaho Falls
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select Bargain Flight flight, departing Tue, Nov 11 from Sacramento to Idaho Falls, returning Tue, Nov 18, priced at $242 found 1 day ago
Alaska Airlines
Tue, Nov 4 - Sat, Nov 15
SMF
Sacramento
IDA
Idaho Falls
$242 Roundtrip, found 22 hours ago
$242
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Sacramento to Idaho Falls, returning Sat, Nov 15, priced at $242 found 22 hours ago
United
Tue, Nov 11 - Tue, Dec 9
SMF
Sacramento
IDA
Idaho Falls
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 11 from Sacramento to Idaho Falls, returning Tue, Dec 9, priced at $243 found 2 days ago
Delta
Wed, Dec 3 - Sat, Dec 13
SMF
Sacramento
IDA
Idaho Falls
$243 Roundtrip, found 4 hours ago
$243
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Dec 3 from Sacramento to Idaho Falls, returning Sat, Dec 13, priced at $243 found 4 hours ago
American Airlines
Tue, Nov 11 - Tue, Nov 18
SMF
Sacramento
IDA
Idaho Falls
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Nov 11 from Sacramento to Idaho Falls, returning Tue, Nov 18, priced at $243 found 1 day ago
United
Tue, Feb 3 - Tue, Feb 10
SMF
Sacramento
IDA
Idaho Falls
$245 Roundtrip, found 3 days ago
$245
Roundtrip
found 3 days ago
Select United flight, departing Tue, Feb 3 from Sacramento to Idaho Falls, returning Tue, Feb 10, priced at $245 found 3 days ago
Alaska Airlines
Tue, Nov 11 - Tue, Nov 18
SMF
Sacramento
IDA
Idaho Falls
$246 Roundtrip, found 1 day ago
$246
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Sacramento to Idaho Falls, returning Tue, Nov 18, priced at $246 found 1 day ago
Alaska Airlines
Tue, Feb 3 - Tue, Feb 10
SMF
Sacramento
IDA
Idaho Falls
$250 Roundtrip, found 3 days ago
$250
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Feb 3 from Sacramento to Idaho Falls, returning Tue, Feb 10, priced at $250 found 3 days ago
Alaska Airlines
Thu, Dec 4 - Sat, Dec 6
SMF
Sacramento
IDA
Idaho Falls
$251 Roundtrip, found 1 hour ago
$251
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Sacramento to Idaho Falls, returning Sat, Dec 6, priced at $251 found 1 hour ago
Alaska Airlines
Tue, Nov 11 - Tue, Dec 9
SMF
Sacramento
IDA
Idaho Falls
$253 Roundtrip, found 2 days ago
$253
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Sacramento to Idaho Falls, returning Tue, Dec 9, priced at $253 found 2 days ago

Find the cheapest month to fly from Sacramento (SMF) to Idaho Falls (IDA)

February is typically the cheapest month to fly

From $220 - $598 per traveler.

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 $519
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $519

Frequently asked questions

How much does a flight from Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA) cost?
Get a cheap one-way flight from $121 or cheap return flight from $242 from Sacramento Intl. Airport (SMF) 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 Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA)?
The cheapest month to fly from SMF to IDA is November, when there's less demand. Off-peak season is typically when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from SMF to IDA. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA)?
Nonstop flights from Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SMF to IDA?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA)?
To arrive at Idaho Falls Regional Airport (IDA) on time, choose a flight that leaves from Sacramento Intl. Airport (SMF) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA) last-minute?
Booking your flight from SMF to IDA right before your trip is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a SMF to IDA flight and hotel package?
Compared with arranging flights and hotels separately, booking a SMF 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 activities and car rentals.
Can I cancel or change the date of my flight from Sacramento Intl. Airport (SMF) to Idaho Falls Regional Airport (IDA)?
If you reserved your SMF to IDA flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Sacramento Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$241
Distance
596 mi

Book with confidence

Sacramento to Idaho Falls Flights

The cheapest times to fly from Sacramento 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 Sacramento to Idaho Falls are during the month of November. You can find some of the cheapest flights from Sacramento to Idaho Falls with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Sacramento 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 Sacramento 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 Sacramento to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 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 Sacramento 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 Sacramento 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.

 

Sacramento to Idaho Falls Flights

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*Available to One Key members.