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£85 Cheap Flights from Boise (BOI) to San Francisco (SFO)

View £85 flight on Wed, 18 Nov 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £85 for one-way flights and £169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 5 Sept - Tue, 8 Sept
BOI
Boise
SFO
San Francisco
£169 Return, found 5 days ago
£169
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 5 Sept from Boise to San Francisco, returning Tue, 8 Sept, priced at £169 found 5 days ago
Alaska Airlines
Thu, 12 Nov - Thu, 19 Nov
BOI
Boise
SFO
San Francisco
£183 Return, found 4 days ago
£183
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 12 Nov from Boise to San Francisco, returning Thu, 19 Nov, priced at £183 found 4 days ago
Alaska Airlines
Thu, 12 Nov - Thu, 19 Nov
BOI
Boise
SFO
San Francisco
£190 Return, found 4 days ago
£190
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 12 Nov from Boise to San Francisco, returning Thu, 19 Nov, priced at £190 found 4 days ago
Alaska Airlines
Mon, 16 Nov - Mon, 23 Nov
BOI
Boise
SFO
San Francisco
£198 Return, found 4 days ago
£198
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 16 Nov from Boise to San Francisco, returning Mon, 23 Nov, priced at £198 found 4 days ago
Alaska Airlines
Sat, 5 Sept - Tue, 8 Sept
BOI
Boise
SFO
San Francisco
£202 Return, found 5 days ago
£202
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 5 Sept from Boise to San Francisco, returning Tue, 8 Sept, priced at £202 found 5 days ago
Alaska Airlines
Mon, 16 Nov - Mon, 23 Nov
BOI
Boise
SFO
San Francisco
£205 Return, found 4 days ago
£205
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 16 Nov from Boise to San Francisco, returning Mon, 23 Nov, priced at £205 found 4 days ago
Alaska Airlines
Thu, 12 Nov - Thu, 19 Nov
BOI
Boise
SFO
San Francisco
£213 Return, found 4 days ago
£213
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 12 Nov from Boise to San Francisco, returning Thu, 19 Nov, priced at £213 found 4 days ago
Alaska Airlines
Thu, 24 Sept - Thu, 1 Oct
BOI
Boise
SFO
San Francisco
£228 Return, found 1 day ago
£228
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 24 Sept from Boise to San Francisco, returning Thu, 1 Oct, priced at £228 found 1 day ago
Alaska Airlines
Thu, 24 Sept - Thu, 1 Oct
BOI
Boise
SFO
San Francisco
£235 Return, found 1 day ago
£235
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 24 Sept from Boise to San Francisco, returning Thu, 1 Oct, priced at £235 found 1 day ago
Alaska Airlines
Thu, 24 Sept - Thu, 1 Oct
BOI
Boise
SFO
San Francisco
£251 Return, found 1 day ago
£251
Return
found 1 day ago
Select Alaska Airlines flight, departing Thu, 24 Sept from Boise to San Francisco, returning Thu, 1 Oct, priced at £251 found 1 day ago

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

September is typically the cheapest month to fly

From £139 - £195 per traveller.

Frequently asked questions

How much does a flight from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) cost?
You can find one-way and return flights from MAN to GDZ with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when BOI to SFO ticket fares go up or down.
What is the cheapest month to fly from Boise, ID (BOI) to San Francisco, CA (SFO)?
The cheapest months to fly from Boise, ID (BOI) to San Francisco, CA (SFO) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Boise, ID (BOI) to San Francisco, CA (SFO)?
Enter BOI to SFO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
To find a cheap flight from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.), 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 Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
The best airline to fly with from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.), which is great 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 Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
When looking for the best time to fly from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.), you'll find that September and April typically offer the most affordable fares, with average prices around £196 for a return flight. While December is a popular month for travel, meaning more flight options, it's not usually the cheapest. If you're flexible, aiming for September or April can help you find a good balance between price and availability, allowing you to enjoy your trip without breaking the bank.
How many flights per day from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
You'll find approximately 4 nonstop flights per day from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.). For even more choices, look at flights that include layovers, as there are around 41 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX), and Sky Harbor Intl. (PHX).
What is the earliest flight from Boise, ID (BOI) to San Francisco, CA (SFO)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Boise, ID (BOI) to San Francisco, CA (SFO). 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 Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
You'll typically find the most flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) on a Friday, with around 49 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, Delta, and Southwest Airlines. Flight options on Fridays are notably more plentiful compared to other days of the week, offering you greater flexibility.
What are the most popular departure times for flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
The most popular departure times for flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) are in the morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Southwest Airlines and Delta, offer flights during this window. Many travellers prefer this because it allows for an early start to their day in San Francisco.
How long does it take to fly from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
A nonstop flight from BOI to SFO typically takes around 2 hours, covering approximately 842 kilometers. Connecting flights on this route usually add 4 hours 20 minutes to your travel time. 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 Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
Yes, you can fly business class or first class between BOI and SFO. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
How do I earn miles on a Boise, ID (BOI) to San Francisco, CA (SFO) flight with Expedia?
It's easy to earn miles on a Boise, ID (BOI) to San Francisco, CA (SFO) 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 Boise, ID (BOI) to San Francisco, CA (SFO) at the last minute?
Typically, booking a last minute flight from Boise, ID (BOI) to San Francisco, CA (SFO) 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 Boise, ID (BOI) to San Francisco, CA (SFO) flight and hotel package?
Securing a Boise, ID (BOI) to San Francisco, CA (SFO) 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 Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.)?
If you booked your Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) 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

0
Origin airport
Boise
Destination airport
San Francisco Intl.
Return price
£169
Distance
836 km

Book with confidence

Compare flights from Boise to San Francisco easily and book with confidence

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

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 Boise (BOI) to San Francisco Intl. (SFO)

The easiest way to view the best deals on flights from Boise to San Francisco 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 Boise to San Francisco Intl. start at just £169 and range up to £251.  

To find an even better deal, try  

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

Why you should book your Boise to San Francisco flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Boise to San Francisco Intl. 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 Boise to San Francisco easily and book with confidence

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*Available to Expedia members.