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

You can find cheap return Delta Air Lines flights from $237 from SFO to BOS by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $119 for a one-way trip.**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.

Search for return or one-way flights to Boston in January or February. You could find a cheap fare with Delta Air Lines during these off-peak travel months.

Begin your search one to three months before your departure to get cheap fares on Delta Air Lines flights from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS). 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.* Nail your timing, and you can enjoy significant savings on domestic journeys.*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.

Depart on one of Delta Air Lines’s 13 direct weekly flights from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS). To see what’s available, enter your dates, destination and origin and hit search. Next, apply the “Nonstop” and “Airline” filters.

It takes approximately 5h 39m to travel nonstop from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS) with Delta Air Lines.

If you’re looking for flexibility, Thursday offers the most choice for Delta Air Lines flights from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS). Take your pick of 2 different departures.

The earliest Delta Air Lines flight from SFO to BOS departs at 7:30AM UTC-8, arriving at 4:10PM UTC-5. If you want to head off later, the last Delta Air Lines flight leaves SFO at 1:15PM UTC-8 and lands at BOS at 9:54PM UTC-5. Flying before noon is generally a good idea as morning and mid-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.

Delta Air Lines flights from San Francisco Intl. Airport (SFO) to Boston arrive at Logan Intl. Airport (BOS). This is the main gateway here.

Delta Air Lines makes traveling from SFO to BOS more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You even have the chance to collect points with Delta SkyMiles. Be sure to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Book a Delta Air Lines flight from San Francisco Intl. Airport (SFO) to Logan Intl. Airport (BOS), and you’ll likely be flying on an Airbus A321neo. Keep in mind though, that the aircraft type can change depending on operational reasons.

Depending on your fare type, a fee may apply if you cancel or reschedule your booking more than 24 hours after confirmation. To find tickets with more flexibility, select our “Changes included” and “No cancel fee” boxes when looking for flights. For additional information on changing or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”