$58 Cheap Flights from Sacramento (SMF) to Boise (BOI)

View $58 flight on Sat, Sep 13, 2025Opens in a new window

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

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Cheap Flights from Sacramento to Boise (SMF-BOI)

Prices were available within the past 7 days and start at $58 for one-way flights and $112 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Aug 25 - Tue, Aug 26
SMF
Sacramento
BOI
Boise
$112 Roundtrip, found 4 days ago
$112
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Aug 25 from Sacramento to Boise, returning Tue, Aug 26, priced at $112 found 4 days ago
Spirit Airlines
Sat, Sep 13 - Sat, Sep 20
SMF
Sacramento
BOI
Boise
$115 Roundtrip, found 3 hours ago
$115
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Sat, Sep 13 from Sacramento to Boise, returning Sat, Sep 20, priced at $115 found 3 hours ago
Delta
Mon, Dec 15 - Wed, Dec 17
SMF
Sacramento
BOI
Boise
$123 Roundtrip, found 3 days ago
$123
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Dec 15 from Sacramento to Boise, returning Wed, Dec 17, priced at $123 found 3 days ago
Southwest Airlines
Wed, Dec 3 - Sat, Dec 6
SMF
Sacramento
BOI
Boise
$123 Roundtrip, found 4 days ago
$123
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Dec 3 from Sacramento to Boise, returning Sat, Dec 6, priced at $123 found 4 days ago
Southwest Airlines
Wed, Aug 20 - Tue, Aug 26
SMF
Sacramento
BOI
Boise
$125 Roundtrip, found 6 days ago
$125
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Aug 20 from Sacramento to Boise, returning Tue, Aug 26, priced at $125 found 6 days ago
Spirit Airlines
Thu, Aug 21 - Mon, Aug 25
SMF
Sacramento
BOI
Boise
$129 Roundtrip, found 3 hours ago
$129
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Thu, Aug 21 from Sacramento to Boise, returning Mon, Aug 25, priced at $129 found 3 hours ago
Spirit Airlines
Fri, Sep 12 - Thu, Sep 18
SMF
Sacramento
BOI
Boise
$130 Roundtrip, found 1 day ago
$130
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Sep 12 from Sacramento to Boise, returning Thu, Sep 18, priced at $130 found 1 day ago
Southwest Airlines
Thu, Dec 11 - Wed, Dec 17
SMF
Sacramento
BOI
Boise
$131 Roundtrip, found 3 days ago
$131
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 11 from Sacramento to Boise, returning Wed, Dec 17, priced at $131 found 3 days ago
Alaska Airlines
Sat, Sep 13 - Sat, Sep 20
SMF
Sacramento
BOI
Boise
$136 Roundtrip, found 3 hours ago
$136
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Sacramento to Boise, returning Sat, Sep 20, priced at $136 found 3 hours ago
United
Wed, Aug 20 - Thu, Aug 21
SMF
Sacramento
BOI
Boise
$153 Roundtrip, just found
$153
Roundtrip
just found
Select United flight, departing Wed, Aug 20 from Sacramento to Boise, returning Thu, Aug 21, priced at $153 just found

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

September is typically the cheapest month to fly

From $75 - $217 per traveler.

Graph displaying average flight prices per month

Alternative airports near Boise

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

Select flight to Boise Airport BOI. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $163
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $163
Flights from Sacramento (SMF) to Boise (BOI)
Origin airport
Sacramento Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$111
Distance
437 mi
Average flight time
2 hours 21 mins

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 August. 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 $58 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?
Cheap return flights from Sacramento Intl. Airport (SMF) to Boise Airport (BOI) start from $94. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines flight leaving SMF on August 7 2025 and touching down at BOI. The price was last updated on July 12 2025 and has not changed since.
What is the cheapest month to fly from SMF to BOI?
The cheapest flights from SMF to BOI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 SMF to BOI?
With tickets starting at $47 for a one-way journey from SMF to BOI, Southwest Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SMF on October 7 2025. Prices were last updated on July 12 2025 and have not changed since.
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.