$123 Cheap Flights from Sacramento (SMF) to Idaho Falls (IDA)

View $123 flight on Mon, May 11, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $123 for one-way flights and $223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Apr 14 - Sat, Apr 18
SMF
Sacramento
IDA
Idaho Falls
$223 Roundtrip, found 4 days ago
$223
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Apr 14 from Sacramento to Idaho Falls, returning Sat, Apr 18, priced at $223 found 4 days ago
Delta
Tue, Apr 14 - Thu, Apr 23
SMF
Sacramento
IDA
Idaho Falls
$224 Roundtrip, found 4 days ago
$224
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Apr 14 from Sacramento to Idaho Falls, returning Thu, Apr 23, priced at $224 found 4 days ago
Hawaiian Airlines
Sat, Mar 21 - Tue, Mar 24
SMF
Sacramento
IDA
Idaho Falls
$237 Roundtrip, found 2 days ago
$237
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Mar 21 from Sacramento to Idaho Falls, returning Tue, Mar 24, priced at $237 found 2 days ago
Hawaiian Airlines
Fri, Mar 20 - Tue, Mar 24
SMF
Sacramento
IDA
Idaho Falls
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Fri, Mar 20 from Sacramento to Idaho Falls, returning Tue, Mar 24, priced at $243 found 2 days ago
Delta
Tue, Mar 24 - Tue, Mar 31
SMF
Sacramento
IDA
Idaho Falls
$247 Roundtrip, found 2 days ago
$247
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Mar 24 from Sacramento to Idaho Falls, returning Tue, Mar 31, priced at $247 found 2 days ago
Alaska Airlines
Sat, Mar 21 - Fri, Mar 27
SMF
Sacramento
IDA
Idaho Falls
$251 Roundtrip, found 2 days ago
$251
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Mar 21 from Sacramento to Idaho Falls, returning Fri, Mar 27, priced at $251 found 2 days ago
Hawaiian Airlines
Fri, Mar 20 - Wed, Apr 1
SMF
Sacramento
IDA
Idaho Falls
$257 Roundtrip, found 5 days ago
$257
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Fri, Mar 20 from Sacramento to Idaho Falls, returning Wed, Apr 1, priced at $257 found 5 days ago
Alaska Airlines
Wed, May 13 - Wed, May 20
SMF
Sacramento
IDA
Idaho Falls
$260 Roundtrip, found 4 days ago
$260
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, May 13 from Sacramento to Idaho Falls, returning Wed, May 20, priced at $260 found 4 days ago
United
Sat, Apr 11 - Sat, Apr 18
SMF
Sacramento
IDA
Idaho Falls
$275 Roundtrip, found 4 days ago
$275
Roundtrip
found 4 days ago
Select United flight, departing Sat, Apr 11 from Sacramento to Idaho Falls, returning Sat, Apr 18, priced at $275 found 4 days ago
American Airlines
Wed, Apr 29 - Sat, May 2
SMF
Sacramento
IDA
Idaho Falls
$444 Roundtrip, found 18 hours ago
$444
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Apr 29 from Sacramento to Idaho Falls, returning Sat, May 2, priced at $444 found 18 hours ago

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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 $415
IDA
Idaho Falls Regional
CheapestClosest
Average driving time to city center5 min
Flights from $415

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

February is typically the cheapest month to fly

From $220 - $564 per traveler.

Frequently asked questions

How much does a flight from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) cost?
You can find cheap one-way flights from $123 and cheap return flights from $223 Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) with Expedia. One-way flights typically cost between $197 and $889, and return flights often range between $381 and $1307. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
May is the cheapest month to fly from Sacramento, CA (SMF) to Idaho Falls, ID (IDA), with average return fares around $314. This price is about 26% lower than the average throughout the year, likely due to lower demand in spring. Other budget-friendly months to consider are February and March.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
Enter SMF to IDA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
United is one of the cheapest airlines offering connecting flights from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) with a layover in San Francisco Intl. (SFO) starting from around $785. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
To find a cheap flight from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The best time to fly from Sacramento (SMF) to Idaho Falls (IDA) is typically in May or February. You can expect return flights to be around $314 in May, which is a great time for both price and weather. February also offers good deals, making it a solid choice for travelers. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The earliest flight from Sacramento International Airport (SMF) to Idaho Falls Regional Airport (IDA) typically departs at around 12:55 AM. This seasonal service is available in March, giving you an early start to your travels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
The most popular departure times for flights from Sacramento, CA (SMF) to Idaho Falls, ID (IDA) are from 3pm to 6pm. This accounts for around 34% of total traffic. Many major carriers, including Delta, United Airlines, and Alaska Airlines, offer flights during this window. Many travelers prefer this time because it allows for a full day of activities before heading to the airport.
How long does it take to fly from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
Flying from SMF to IDA with a connection usually takes about 7 hours 30 minutes, traveling roughly 597 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
First class seats are offered on the SMF to IDA route. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How do I earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight with Expedia?
It's easy to earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Idaho Falls from Sacramento Intl. (SMF)?
From Sacramento Intl. (SMF), you can fly into Idaho Falls Regional (IDA) to reach Idaho Falls. Some flights may connect through major hubs like Portland Intl. (PDX), San Francisco Intl. (SFO), Los Angeles Intl. (LAX) before reaching Idaho Falls. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) at the last minute?
Typically, booking a last minute flight from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight and hotel package?
Securing a Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) Idaho Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional)?
If you booked your Sacramento, CA (SMF-Sacramento Intl.) to Idaho Falls, ID (IDA-Idaho Falls Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Sacramento Intl.
Destination airport
Idaho Falls Regional
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$222
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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $123 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

*Flight schedules are subject to change.

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*Available to One Key members.