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

You can find one-way and return flights from BOI to SFO 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.

September is typically the cheapest month to fly from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.), with average return fares around AU$390. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other budget-friendly months to consider for this route include April and August.

There are 2 airlines offering direct flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.). Here are the carriers:
* United operates 28 direct flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) every week.
* Condor operates 7 direct flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) every week.

United is one of the cheapest airlines offering nonstop return flights from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.), with tickets starting from around AU$135 for flights that can be booked for departure within the next year. Frontier Airlines offers one of the cheapest connecting return flights on this route, with tickets starting from around AU$223. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

To find a cheap flight from Boise, ID (BOI) to San Francisco, CA (SFO), 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.

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.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

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).

The earliest flight from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) typically departs at around 5:00 AM local time, operated by Alaska Airlines. This is a seasonal service active only in March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

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.

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.

A direct flight from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) typically takes around 2 hours, covering a distance of approximately 842 kilometres. If you opt for a flight with one stop, your travel time will be longer, usually around 6 hours 18 minutes. Flights with two or more stops generally take about 10 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.

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.

It's easy to earn miles on a Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) 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.

If you're planning to travel to San Francisco from BOI, you can fly directly into San Francisco Intl. (SFO). Some flights may connect through major hubs like Harry Reid International Airport (LAS), Sacramento Intl. (SMF), or Sky Harbor Intl. (PHX) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) 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.

Securing a Boise, ID (BOI) to San Francisco, CA (SFO-San Francisco Intl.) 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.

If you booked your Boise, ID (BOI) to San Francisco, CA (SFO) 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.