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

View $69 flight on Sat, Aug 30, 2025Opens in a new window

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

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

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.

Hawaiian Airlines
Tue, Aug 19 - Sat, Aug 23
BOI
Boise
SFO
San Francisco
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Aug 19 from Boise to San Francisco, returning Sat, Aug 23, priced at $137 just found
United
Sat, Aug 30 - Tue, Sep 2
BOI
Boise
SFO
San Francisco
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Sat, Aug 30 from Boise to San Francisco, returning Tue, Sep 2, priced at $137 just found
Hawaiian Airlines
Sat, Oct 11 - Wed, Oct 29
BOI
Boise
SFO
San Francisco
$147 Roundtrip, found 2 hours ago
$147
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 11 from Boise to San Francisco, returning Wed, Oct 29, priced at $147 found 2 hours ago
Delta
Tue, Nov 4 - Tue, Nov 11
BOI
Boise
SFO
San Francisco
$148 Roundtrip, found 6 days ago
$148
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Nov 4 from Boise to San Francisco, returning Tue, Nov 11, priced at $148 found 6 days ago
Delta
Sat, Aug 30 - Tue, Sep 2
BOI
Boise
SFO
San Francisco
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Delta flight, departing Sat, Aug 30 from Boise to San Francisco, returning Tue, Sep 2, priced at $149 just found
Southwest Airlines
Tue, Oct 21 - Tue, Oct 28
BOI
Boise
SFO
San Francisco
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Tue, Oct 21 from Boise to San Francisco, returning Tue, Oct 28, priced at $152 found 1 day ago
Bargain Flight
Fri, Oct 3 - Sat, Oct 4
BOI
Boise
SFO
San Francisco
$157 Roundtrip, found 2 days ago
$157
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Fri, Oct 3 from Boise to San Francisco, returning Sat, Oct 4, priced at $157 found 2 days ago
Southwest Airlines
Tue, Aug 19 - Wed, Aug 20
BOI
Boise
SFO
San Francisco
$157 Roundtrip, found 22 hours ago
$157
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Tue, Aug 19 from Boise to San Francisco, returning Wed, Aug 20, priced at $157 found 22 hours ago
Delta
Tue, Aug 19 - Tue, Aug 19
BOI
Boise
SFO
San Francisco
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Delta flight, departing Tue, Aug 19 from Boise to San Francisco, returning Tue, Aug 19, priced at $157 just found
Hawaiian Airlines
Sat, Oct 11 - Thu, Oct 30
BOI
Boise
SFO
San Francisco
$157 Roundtrip, found 2 hours ago
$157
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sat, Oct 11 from Boise to San Francisco, returning Thu, Oct 30, priced at $157 found 2 hours ago

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

September is typically the cheapest month to fly

From $130 - $256 per traveler.

Graph displaying average flight prices per month

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 $254
SJC
Norman Y. Mineta San Jose Intl.
Cheapest
Average driving time to city center50 min
Flights from $254
0
Flights from Boise (BOI) to San Francisco (SFO)
Origin airport
Boise
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$137
Distance
523 mi

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 August. 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 $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 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.

 

Frequently asked questions

How much does a flight from Boise Airport (BOI) to San Francisco Intl. Airport (SFO) cost?
Find cheap return tickets from Boise Airport (BOI) to San Francisco Intl. Airport (SFO) starting from $136. Reserve your seat and set off on your next adventure. 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 Alaska Airlines flight leaving BOI on August 16 2025 and touching down at SFO. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from BOI to SFO?
The cheapest flights from BOI to SFO 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 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 BOI to SFO?
Jet off from BOI to SFO with United. This carrier currently has the cheapest one-way ticket on this route, starting at $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from BOI on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
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.

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San Francisco nearby Airports

Oakland

Boise to Oakland Intl.
$125.76

San Jose

Boise to Norman Y. Mineta San Jose Intl.
$132.76
*Available to One Key members.