$139 Cheap Delta flights Hartford (BDL) to San Francisco (SFO)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines round-trip flights from $277 from BDL to SFO. Affordable one-way tickets from $139 are also on offer.**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.

February is one of the least expensive months to jet off to San Francisco with Delta Air Lines. You could also find great deals on one-way and return tickets in April.

Search for affordable Delta Air Lines flights from Bradley Intl. Airport (BDL) to San Francisco Intl. Airport (SFO) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Select our “Nonstop” filter when searching for direct Delta Air Lines flights from BDL to SFO. It’s also an easy way to compare other carriers offering the same nonstop route.

To find the earliest departures from BDL to SFO with Delta Air Lines, filter your search by “Early Morning” and “Morning.” Booking an early flight usually means you’ll experience fewer 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 Bradley Intl. Airport (BDL) to San Francisco come in to San Francisco Intl. Airport (SFO). This is the main gateway to this city.

Jetting off from BDL to SFO with Delta Air Lines means enjoying plenty of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s in addition to 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.

Depending on your ticket type, a fee typically applies if you cancel or change your flight more than 24 hours after it’s confirmed. To secure tickets with more flexibility, select our “Changes included” or “No cancel fee” filter while searching for flights. For additional information on canceling or changing your reservation, head to “Trips,” select your flight and click on “Manage Booking.”