$119 Cheap Delta flights Boston (BOS) to San Francisco (SFO)

Finding cheap one-way Delta Air Lines flights from BOS to SFO from $119 on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $237 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Browse for return or one-way flights to San Francisco in February or April. You could find cheaper fares with Delta Air Lines during these off-peak travel months.

Start searching one to three months ahead of your travel date to get cheaper fares on Delta Air Lines flights from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Yes, you can fly from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO) on one of Delta Air Lines’s 13 direct weekly flights. Make use of our “Nonstop” and “Airline” filters to find the Delta Air Lines flight that’ll take you to SFO at your preferred time.

It takes around 7h 6m to fly nonstop from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO) with Delta Air Lines.

Delta Air Lines has the most flights from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO) on Tuesday. With up to 2 daily departures, you’ll get the most flexibility on this day.

The first Delta Air Lines flight from BOS to SFO departs at 7:50AM UTC-5, landing at 11:59AM UTC-8. If you want to head off later in the day, the last Delta Air Lines flight leaves BOS at 5:50PM UTC-5 and lands at SFO at 9:56PM UTC-8. Flying before noon is often a good idea as morning flights are least likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

San Francisco Intl. Airport (SFO) is the main San Francisco hub for Delta Air Lines flights from Logan Intl. Airport (BOS).

Traveling from BOS to SFO with Delta Air Lines comes with a variety of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Most likely, you’ll catch an Airbus A321neo for your Delta Air Lines flight from Logan Intl. Airport (BOS) to San Francisco Intl. Airport (SFO). However, you could end up on an alternative aircraft if there’s an operational need.

Depending on the type of ticket you purchased, a fee may apply if you cancel or reschedule your booking more than 24 hours after it has been confirmed. To secure plane tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while looking for flights. To learn more about canceling or modifying your reservation, go to “Trips,” select your flight and tick “Manage Booking.”