$55 Cheap Flights from Sacramento (SMF) to Boise (BOI)

View $55 flight on Thu, Sep 25, 2025Opens in a new window

Popular airlines from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)

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Today's featured flight deals from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Sacramento to Boise (SMF-BOI)

Prices were available within the past 7 days and start at $55 for one-way flights and $109 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Sep 25 - Sat, Sep 27
SMF
Sacramento
BOI
Boise
$109 Roundtrip, found 2 hours ago
$109
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Thu, Sep 25 from Sacramento to Boise, returning Sat, Sep 27, priced at $109 found 2 hours ago
Spirit Airlines
Sat, Sep 27 - Mon, Sep 29
SMF
Sacramento
BOI
Boise
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, Sep 27 from Sacramento to Boise, returning Mon, Sep 29, priced at $117 found 2 hours ago
Alaska Airlines
Sat, Sep 20 - Mon, Sep 22
SMF
Sacramento
BOI
Boise
$123 Roundtrip, just found
$123
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 20 from Sacramento to Boise, returning Mon, Sep 22, priced at $123 just found
Spirit Airlines
Mon, Sep 15 - Fri, Sep 19
SMF
Sacramento
BOI
Boise
$128 Roundtrip, found 1 day ago
$128
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Sep 15 from Sacramento to Boise, returning Fri, Sep 19, priced at $128 found 1 day ago
Spirit Airlines
Sat, Sep 27 - Mon, Sep 29
SMF
Sacramento
BOI
Boise
$131 Roundtrip, found 2 hours ago
$131
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, Sep 27 from Sacramento to Boise, returning Mon, Sep 29, priced at $131 found 2 hours ago
Alaska Airlines
Thu, Sep 18 - Mon, Sep 22
SMF
Sacramento
BOI
Boise
$133 Roundtrip, found 1 hour ago
$133
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Sep 18 from Sacramento to Boise, returning Mon, Sep 22, priced at $133 found 1 hour ago
Delta
Sat, Sep 20 - Mon, Sep 22
SMF
Sacramento
BOI
Boise
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Delta flight, departing Sat, Sep 20 from Sacramento to Boise, returning Mon, Sep 22, priced at $133 just found
Bargain Flight
Thu, Sep 18 - Tue, Sep 23
SMF
Sacramento
BOI
Boise
$137 Roundtrip, found 3 hours ago
$137
Roundtrip
found 3 hours ago
Select Bargain Flight flight, departing Thu, Sep 18 from Sacramento to Boise, returning Tue, Sep 23, priced at $137 found 3 hours ago
Southwest Airlines
Mon, Sep 22 - Thu, Sep 25
SMF
Sacramento
BOI
Boise
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Sep 22 from Sacramento to Boise, returning Thu, Sep 25, priced at $137 found 1 hour ago
Hawaiian Airlines
Thu, Sep 18 - Mon, Sep 22
SMF
Sacramento
BOI
Boise
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Hawaiian Airlines flight, departing Thu, Sep 18 from Sacramento to Boise, returning Mon, Sep 22, priced at $137 just found

Find the cheapest month to fly from Sacramento (SMF) to Boise (BOI)

November is typically the cheapest month to fly

From $87 - $289 per traveler.

Graph displaying average flight prices per month

Flights from Sacramento (SMF) to Boise (BOI)
Origin airport
Sacramento Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$109
Distance
437 mi

Sacramento to Boise Flights

The cheapest times to fly from Sacramento to Boise

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 Boise are during the month of September. You can find some of the cheapest flights from Sacramento to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sacramento to Boise

Sunday is one of the best days to book for cheap flights from Sacramento to Boise: 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 Boise

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 Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $55 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 Boise 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 Boise 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 Sacramento Intl. Airport (SMF) to Boise Airport (BOI) cost?
Snag a cheap one-way flight from $55 or cheap return flight from $109 from Sacramento Intl. Airport (SMF) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
September is the cheapest month to fly from SMF to BOI. Timing your trip outside of the busy season is often the key to landing a great deal.
Which airlines fly direct from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
You can fly nonstop from Sacramento Intl. Airport (SMF) to Boise Airport (BOI) on a Southwest Airlines flight.
What is the cheapest airline that flies from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
Alaska Airlines and Southwest Airlines are some popular airlines offering competitive fares. Remember that flight prices from Sacramento Intl. Airport (SMF) to Boise Airport (BOI) can vary depending on the time of year, demand and how early you book. With Expedia's filter tool, you can easily find a SMF to BOI flight that suits your plans and budget.
How many flights per day from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
Each day on average, 2 direct flights take off from Sacramento Intl. Airport (SMF) to Boise Airport (BOI). Select the departure date that works for you.
What are the most popular departure times for flights from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
More travelers fly between SMF and BOI at 6 PM than at any other time of day. Prefer a quieter experience? Pick a flight outside the busiest times and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from SMF to BOI?
If you fly on a Friday, you'll get the widest range of options for flights from Sacramento Intl. Airport (SMF) to Boise Airport (BOI).
What is the earliest flight from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
The first flight of the day leaving from Sacramento Intl. Airport (SMF) is at around 10:30AM UTC-8. Hop on this flight and you'll land at Boise Airport (BOI) at approximately 12:55PM UTC-7. The total flight duration is 1h 25m.
How long does it take to fly from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
It usually takes 1 hour and 25 minutes to cover the 440 mi from SMF to BOI.
What airline has the least delays from SMF to BOI?
With 82% of flights generally landing on time, Alaska Airlines has the best on-time performance for nonstop flights from Sacramento Intl. Airport (SMF) to Boise Airport (BOI). To check your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Sacramento Intl. Airport (SMF) to Boise Airport (BOI)?
To avoid possible delays on the Sacramento Intl. Airport (SMF) to Boise Airport (BOI) route, fly before 3 PM. Later flights have a 22% higher chance of being canceled.**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.
What airports do you fly into for Boise from Sacramento Intl. Airport (SMF)?
If you're on a direct flight from Sacramento Intl. Airport (SMF) to Boise, Boise Airport (BOI) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Sacramento Intl. Airport (SMF) to Boise Airport (BOI) last-minute?
Waiting until just before your departure to book a ticket from SMF to BOI generally means paying more. While you may find some last-minute offers, there's no guarantee. Be flexible with your itinerary to maximize your chances of snagging a bargain.
Is it cheaper to book a SMF to BOI flight and hotel package?
Opting for a SMF to BOI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of stays and then add flights, car rentals and activities 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 Intl. Airport (SMF) to Boise Airport (BOI)?
In most cases, you can cancel or reschedule your SMF to BOI flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.