$69 Cheap Flights from San Francisco (SFO) to Boise (BOI)

View $69 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)

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Cheap Flights from San Francisco to Boise (SFO-BOI)

Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Oct 7 - Sat, Oct 11
SFO
San Francisco
BOI
Boise
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Oct 7 from San Francisco to Boise, returning Sat, Oct 11, priced at $137 found 1 hour ago
United
Wed, Oct 29 - Sat, Nov 1
SFO
San Francisco
BOI
Boise
$137 Roundtrip, found 8 hours ago
$137
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Oct 29 from San Francisco to Boise, returning Sat, Nov 1, priced at $137 found 8 hours ago
Hawaiian Airlines
Wed, Oct 1 - Tue, Oct 21
SFO
San Francisco
BOI
Boise
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Oct 1 from San Francisco to Boise, returning Tue, Oct 21, priced at $147 found 1 day ago
United
Sat, Oct 11 - Tue, Oct 14
SFO
San Francisco
BOI
Boise
$156 Roundtrip, found 13 hours ago
$156
Roundtrip
found 13 hours ago
Select United flight, departing Sat, Oct 11 from San Francisco to Boise, returning Tue, Oct 14, priced at $156 found 13 hours ago
Hawaiian Airlines
Tue, Sep 23 - Tue, Sep 30
SFO
San Francisco
BOI
Boise
$157 Roundtrip, found 14 hours ago
$157
Roundtrip
found 14 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 23 from San Francisco to Boise, returning Tue, Sep 30, priced at $157 found 14 hours ago
Southwest Airlines
Tue, Oct 21 - Wed, Oct 22
SFO
San Francisco
BOI
Boise
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Oct 21 from San Francisco to Boise, returning Wed, Oct 22, priced at $157 found 2 days ago
Delta
Wed, Dec 3 - Sat, Dec 6
SFO
San Francisco
BOI
Boise
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Dec 3 from San Francisco to Boise, returning Sat, Dec 6, priced at $157 found 1 day ago
Alaska Airlines
Tue, Oct 7 - Thu, Oct 16
SFO
San Francisco
BOI
Boise
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Oct 7 from San Francisco to Boise, returning Thu, Oct 16, priced at $157 found 1 hour ago
Alaska Airlines
Wed, Dec 10 - Sat, Dec 13
SFO
San Francisco
BOI
Boise
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Dec 10 from San Francisco to Boise, returning Sat, Dec 13, priced at $158 found 1 day ago
Alaska Airlines
Wed, Oct 29 - Sat, Nov 1
SFO
San Francisco
BOI
Boise
$159 Roundtrip, found 8 hours ago
$159
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Wed, Oct 29 from San Francisco to Boise, returning Sat, Nov 1, priced at $159 found 8 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Boise (BOI)

September is typically the cheapest month to fly

From $121 - $566 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 $252
BOI
Boise Airport
CheapestClosest
Average driving time to city center8 min
Flights from $252
Flights from San Francisco (SFO) to Boise (BOI)
Origin airport
San Francisco Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$137
Distance
523 mi
Average flight time
2 hours 41 mins

San Francisco to Boise Flights

The cheapest times to fly from San Francisco 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 San Francisco to Boise are during the month of October. You can find some of the cheapest flights from San Francisco to Boise with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Boise

Sunday is one of the best days to book for cheap flights from San Francisco 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 San Francisco 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 San Francisco to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 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 San Francisco 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 San Francisco 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 San Francisco Intl. Airport (SFO) to Boise Airport (BOI) cost?
Secure a cheap one-way flight from $69 or cheap return flight from $137 from San Francisco Intl. Airport (SFO) to Boise Airport (BOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
October is the cheapest month to fly from SFO to BOI. Traveling during quieter months is often the key to finding a great deal.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
When departing from San Francisco Intl. Airport (SFO), you can hop on a nonstop flight to Boise Airport (BOI) with United Airlines.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
While prices may vary depending on your travel dates, Alaska Airlines and United Airlines are go-to choices for flights between San Francisco Intl. Airport (SFO) and Boise Airport (BOI). You can also compare airlines on Expedia and use the "Sort by" filter to find the cheapest ticket for your SFO to BOI flight.
How many flights per day from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
With, on average, 4 nonstop flights that operate from San Francisco Intl. Airport (SFO) to Boise Airport (BOI) each day, you'll be up in the air in no time.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
More passengers fly between SFO and BOI at 8 AM than at any other point in the day. Rather go when it's quieter? Consider flying outside peak hours and you could save on your fare as well.
What day of the week has the most flights from SFO to BOI?
If you jet off on a Friday, you'll get the largest range of options for flights from San Francisco Intl. Airport (SFO) to Boise Airport (BOI).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
The first flight of the day jetting off from San Francisco Intl. Airport (SFO) is at around 8:35AM UTC-8. Catch this flight and you'll land at Boise Airport (BOI) at approximately 11:27AM UTC-7. The total travel time is 1h 52m.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
Flights from SFO to BOI have an average travel time of 1 hour and 49 minutes. The total distance between these two airports is 520 mi.
What airline has the least delays from SFO to BOI?
With 94% of flights generally arriving on time, American Airlines has the best on-time performance for nonstop flights from San Francisco Intl. Airport (SFO) to Boise Airport (BOI). To monitor your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Boise Airport (BOI) route, fly before 3 PM. Flights after this time are 22% more likely to be 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 San Francisco Intl. Airport (SFO)?
Boise Airport (BOI) is the only airport in Boise with direct flights from San Francisco Intl. Airport (SFO). Check out the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Boise Airport (BOI) last-minute?
Waiting until just before your departure to book a ticket from SFO to BOI generally means paying more. While you may come across some last-minute deals, there's no guarantee. Allow some flexibility in your schedule for the best chance of snagging a bargain.
Is it cheaper to book a SFO to BOI flight and hotel package?
You'll typically save money by securing a SFO to BOI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Boise Airport (BOI)?
If you reserved your SFO to BOI flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, 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 for more details.

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*Available to One Key members.