$79 Cheap Flights from Boise (BOI) to San Francisco (SFO)

View $79 flight on Wed, Mar 4, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $79 for one-way flights and $106 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Jan 24 - Tue, Jan 27
BOI
Boise
SFO
San Francisco
$106 Roundtrip, found 5 days ago
$106
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jan 24 from Boise to San Francisco, returning Tue, Jan 27, priced at $106 found 5 days ago
Alaska Airlines
Sat, Jan 24 - Sun, Jan 25
BOI
Boise
SFO
San Francisco
$110 Roundtrip, found 5 days ago
$110
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Boise to San Francisco, returning Sun, Jan 25, priced at $110 found 5 days ago
Southwest Airlines
Sat, Jan 24 - Tue, Jan 27
BOI
Boise
SFO
San Francisco
$111 Roundtrip, found 5 days ago
$111
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jan 24 from Boise to San Francisco, returning Tue, Jan 27, priced at $111 found 5 days ago
Alaska Airlines
Tue, Jan 6 - Wed, Jan 7
BOI
Boise
SFO
San Francisco
$114 Roundtrip, found 5 days ago
$114
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Jan 6 from Boise to San Francisco, returning Wed, Jan 7, priced at $114 found 5 days ago
Alaska Airlines
Sat, Jan 24 - Tue, Jan 27
BOI
Boise
SFO
San Francisco
$116 Roundtrip, found 5 days ago
$116
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Boise to San Francisco, returning Tue, Jan 27, priced at $116 found 5 days ago
Alaska Airlines
Sat, Jan 24 - Sun, Jan 25
BOI
Boise
SFO
San Francisco
$120 Roundtrip, found 5 days ago
$120
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Jan 24 from Boise to San Francisco, returning Sun, Jan 25, priced at $120 found 5 days ago
Frontier Airlines
Thu, Dec 4 - Thu, Dec 11
BOI
Boise
SFO
San Francisco
$120 Roundtrip, found 2 hours ago
$120
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Boise to San Francisco, returning Thu, Dec 11, priced at $120 found 2 hours ago
Alaska Airlines
Thu, Jan 29 - Tue, Feb 3
BOI
Boise
SFO
San Francisco
$122 Roundtrip, found 5 days ago
$122
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Thu, Jan 29 from Boise to San Francisco, returning Tue, Feb 3, priced at $122 found 5 days ago
United
Thu, Jan 29 - Tue, Feb 3
BOI
Boise
SFO
San Francisco
$126 Roundtrip, found 5 days ago
$126
Roundtrip
found 5 days ago
Select United flight, departing Thu, Jan 29 from Boise to San Francisco, returning Tue, Feb 3, priced at $126 found 5 days ago
Delta
Tue, Mar 3 - Wed, Mar 4
BOI
Boise
SFO
San Francisco
$148 Roundtrip, found 1 day ago
$148
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 3 from Boise to San Francisco, returning Wed, Mar 4, priced at $148 found 1 day ago

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

October is typically the cheapest month to fly

From $113 - $446 per traveler.

Alternative airports near San Francisco

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

Select flight to Norman Y. Mineta San Jose Intl. SJC. Cheapest option available. Average driving time to city center is 50 minutes. Flights from $262
SJC
Norman Y. Mineta San Jose Intl.
Cheapest
Average driving time to city center50 min
Flights from $262
Select flight to Oakland Intl. OAK. Average driving time to city center is 26 minutes. Flights from $281
OAK
Oakland Intl.
Average driving time to city center26 min
Flights from $281

Frequently asked questions

How much does a flight from Boise Airport (BOI) to San Francisco Intl. Airport (SFO) cost?
Grab a cheap one-way flight from $79 or cheap return flight from $106 from Boise Airport (BOI) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
January is the most affordable month to fly from BOI to SFO. Avoiding peak travel times is often the key to finding better deals on flights.
Which airlines fly direct from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
When jetting out of Boise Airport (BOI), you can hop on a nonstop flight to San Francisco Intl. Airport (SFO) with United Airlines.
What is the cheapest airline that flies from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
While prices may vary depending on when you travel, Alaska Airlines and United Airlines are popular options for flights between Boise Airport (BOI) and San Francisco Intl. Airport (SFO). You can also compare carriers on Expedia and use the "Sort by" filter to find the cheapest ticket for your BOI to SFO flight.
How many flights per day from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
Each day on average, 4 nonstop flights operate from Boise Airport (BOI) to San Francisco Intl. Airport (SFO). Choose the departure time that best fits your itinerary.
What are the most popular departure times for flights from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
The 7 AM departures from BOI to SFO are the most sought after. Prices can be higher for these popular slots. If you want to save on your fare, book during off-peak hours.
What day of the week has the most flights from BOI to SFO?
If you travel on a Friday, you'll get the largest range of options for flights from Boise Airport (BOI) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
Boise Airport (BOI)'s first flight to San Francisco Intl. Airport (SFO) leaves at approximately 7:21AM UTC-7. With a total journey time of 2h 19m, you'll touch down at around 8:40AM UTC-8.
How long does it take to fly from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
The average flight time from BOI to SFO is 2 hours and 5 minutes, covering a distance of 520 mi.
What airline has the least delays from BOI to SFO?
American Airlines has the best track record for on-time direct flights from Boise Airport (BOI) to San Francisco Intl. Airport (SFO), with an on-time score of 83%. Use the Expedia App to see your flight schedule before you jet off and get immediate updates about any changes.
What is the best time to fly from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
Opt for a flight from Boise Airport (BOI) to San Francisco Intl. Airport (SFO) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 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 San Francisco from Boise Airport (BOI)?
Boise Airport (BOI) offers direct flights to San Francisco. Here are a few of the airports you can fly straight to:

  • San Francisco Intl. Airport (SFO)
  • Oakland Intl. Airport (OAK)
  • Norman Y. Mineta San Jose Intl. Airport (SJC)

Is it cheaper to buy a plane ticket from Boise Airport (BOI) to San Francisco Intl. Airport (SFO) last-minute?
Booking your ticket from BOI to SFO just before your getaway is usually more expensive. But if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a BOI to SFO flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOI to SFO flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the stress out of travel planning. Just secure your flights and select from our wide range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Boise Airport (BOI) to San Francisco Intl. Airport (SFO)?
If you reserved your BOI to SFO flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

Travel information

0
Origin airport
Boise
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$98
Distance
523 mi

Book with confidence

Boise to San Francisco Flights

The cheapest times to fly from Boise to San Francisco

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

 

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

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

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 Boise to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 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 Boise to San Francisco 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 Boise to San Francisco 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.

 

Boise to San Francisco Flights

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*Available to One Key members.