A spacious airport terminal with a high ceiling and natural light.

Cheap Flights from Boston (BOS) to San Francisco (SFO)

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Popular airlines from Logan International Airport (BOS) to San Francisco Intl. Airport (SFO)

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Frequently asked questions

How long does it take to fly from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
JetBlue Airways operates a direct flight heading off from Logan Intl. Airport (BOS) at 11:00AM and touching down at San Francisco Intl. Airport (SFO) at 2:25PM — a total flying time of 6 hours and 25 minutes. Book your perfect seat, bring a magazine to keep you occupied and the time will fly by.
Is it cheaper to buy a plane ticket from BOS to San Francisco Airport last minute?
When it comes to booking your flights, being organized pays off. While you may be able to find a last-minute deal on a BOS to San Francisco Airport flight, tickets usually don't get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international flights it's three to four months.
What airline has the least delays from BOS to San Francisco Intl. Airport (SFO)?
Fly with United Airlines from Logan Intl. Airport to San Francisco Airport and there's a good chance you'll land at the time found on your ticket. This airline is the best performer on this route, with an 73% on-time rate. If there is a disruption to your flight, the free Expedia App is the ideal way to stay updated. Our handy app will give you immediate trip updates, from flight delays to gate changes.
What airports do you fly into for San Francisco from Boston?
From Boston, you can connect to San Francisco through San Francisco Intl. Airport (SFO), Oakland Intl. Airport (OAK) and Norman Y. Mineta San Jose Intl. Airport (SJC). It's a good idea to check which hub is the best option for you before you make a decision. If you settle on San Francisco Intl. Airport (SFO), it's approximately 19 kilometers south of the center of the city. Use the dough you save when booking your airfare with Expedia to experience the city's well-known attractions, such as Pier 39 and Golden Gate Bridge.
What are the most popular departure times for flights from BOS to San Francisco Airport?
Between 5:00 PM - 6:00 PM is the busiest time for United Airlines flights departing from Logan Intl. Airport (BOS) to San Francisco Airport. Our advice? Book a journey that departs sometime in the morning. With air traffic yet to build up, your odds of boarding a delay-free flight are higher.
Can I change the date of my flight from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO)?
It's so easy to make changes to your Logan Intl. Airport (BOS) to SFO trip yourself. Just log in to the Expedia Trips portal and click on "change flight." Look for new flights and choose the one that works with your new plans. You'll get an estimate of applicable flight change costs. You can also visit our Customer Service portal to chat to our Virtual Agent and quickly get answers to all your questions.

Travel information

Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Distance
4315 km
Average flight time
3 hours 26 mins

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Boston to San Francisco Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Boston to San Francisco offer the perfect respite. Not only does exploring San Francisco provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Boston to San Francisco may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from to today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of San Francisco are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to San Francisco more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to San Francisco is now!

Boston to San Francisco Flights