£85 Cheap Flights from Sacramento (SMF) to Boise (BOI)

View £85 flight on Wed, 16 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £85 for one-way flights and £180 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
SMF
Sacramento
BOI
Boise
£180 Return, found 6 days ago
£180
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Sacramento to Boise, returning Wed, 24 Jun, priced at £180 found 6 days ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
SMF
Sacramento
BOI
Boise
£198 Return, found 6 days ago
£198
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Sacramento to Boise, returning Wed, 24 Jun, priced at £198 found 6 days ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
SMF
Sacramento
BOI
Boise
£206 Return, found 6 days ago
£206
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Sacramento to Boise, returning Wed, 24 Jun, priced at £206 found 6 days ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
SMF
Sacramento
BOI
Boise
£224 Return, found 6 days ago
£224
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Sacramento to Boise, returning Wed, 24 Jun, priced at £224 found 6 days ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
SMF
Sacramento
BOI
Boise
£232 Return, found 6 days ago
£232
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Sacramento to Boise, returning Wed, 24 Jun, priced at £232 found 6 days ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
SMF
Sacramento
BOI
Boise
£233 Return, found 6 days ago
£233
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Sacramento to Boise, returning Wed, 24 Jun, priced at £233 found 6 days ago
Alaska Airlines
Mon, 15 Jun - Mon, 22 Jun
SMF
Sacramento
BOI
Boise
£234 Return, found 6 days ago
£234
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 15 Jun from Sacramento to Boise, returning Mon, 22 Jun, priced at £234 found 6 days ago
Alaska Airlines
Mon, 15 Jun - Mon, 22 Jun
SMF
Sacramento
BOI
Boise
£235 Return, found 6 days ago
£235
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 15 Jun from Sacramento to Boise, returning Mon, 22 Jun, priced at £235 found 6 days ago
Alaska Airlines
Thu, 11 Jun - Thu, 18 Jun
SMF
Sacramento
BOI
Boise
£246 Return, found 6 days ago
£246
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 11 Jun from Sacramento to Boise, returning Thu, 18 Jun, priced at £246 found 6 days ago
Alaska Airlines
Wed, 17 Jun - Wed, 24 Jun
SMF
Sacramento
BOI
Boise
£250 Return, found 6 days ago
£250
Return
found 6 days ago
Select Alaska Airlines flight, departing Wed, 17 Jun from Sacramento to Boise, returning Wed, 24 Jun, priced at £250 found 6 days ago

Frequently asked questions

What is the cheapest month to fly from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
January is typically the cheapest month to fly from Sacramento International Airport (SMF) to Boise (BOI), with average return fares of approximately £154. This is about 22% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Sacramento International Airport (SMF) to Boise (BOI) include February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
Enter SMF to BOI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
To find a cheap flight from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI), 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 airline to fly with from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
The best airline to fly with from Sacramento, CA (SMF-Sacramento Intl.) (SMF) to Boise, ID (BOI) (BOI) will differ from traveller to traveller. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from Sacramento, CA (SMF-Sacramento Intl.) (SMF) to Boise, ID (BOI) (BOI), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
The best time to fly from Sacramento International Airport (SMF) to Boise (BOI) for a good deal is typically in January or February. While we don't have specific popularity data for these months, historically, these tend to be quieter travel periods, which often means you can find more affordable return flights, averaging around £154. This is a great time to visit Boise if you're looking for value.*Prices based on flights available on Expedia in the last year.
How many flights per day from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
When flying from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI), you'll find approximately 3 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 61 connecting flights daily. Some common connection points include Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX), and San Diego Intl. (SAN).
What is the earliest flight from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from SMF to BOI. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
You'll find the most flights from Sacramento Intl. (SMF) to Boise (BOI) on a Friday, with around 52 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, Alaska Airlines, and Delta Air Lines. Friday and Thursday offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
The most popular departure times for flights from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI) are between 9am and 12pm. About 26% of passengers prefer this time. Many major carriers, including AS and WN, offer flights during this window. This timing works well because it allows you to start your travel day a bit later, avoiding the very early morning rush, and still arrive at your destination with plenty of time left in the day.
How long does it take to fly from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI)?
Direct flights from SMF to BOI usually take about 1 hour 30 minutes, traveling roughly 438 miles. If you opt for a connecting flight, expect to add around 6 hours to your journey. 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 Boise, ID (BOI)?
Select the "Business class" and "First class" filters when looking for SMF to BOI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI) flight with Expedia?
It's easy to earn miles on a Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI) 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.
Is it cheaper to buy a plane ticket from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI) at the last minute?
Typically, booking a last minute flight from Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI) 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 Boise, ID (BOI) flight and hotel package?
Securing a Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI) flight and hotel package 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 Boise, ID (BOI)?
If you booked your Sacramento, CA (SMF-Sacramento Intl.) to Boise, ID (BOI) 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
Boise
Return price
£180
Distance
699 km
Average flight time
2 hours 26 mins

Book with confidence

Compare flights from Sacramento to Boise easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sacramento to Boise. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Boise in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sacramento Intl. to Boise.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Sacramento Intl. (SMF) to Boise (BOI)

The easiest way to view the best deals on flights from Sacramento to Boise today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sacramento Intl. to Boise start at just £180 and range up to £250.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sacramento and Boise
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sacramento to Boise flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sacramento Intl. to Boise for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Sacramento to Boise easily and book with confidence

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*Available to Expedia members.