$180 Cheap Alaska Airlines flights Baltimore (BWI) to San Francisco (SFO)

You’ll discover budget-friendly return Alaska Airlines flights from BWI to SFO by sorting your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $180 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.

Look for one-way or round-trip flights to San Francisco in February or April. You could find an affordable fare with Alaska Airlines during these off-peak travel months.

Search for cheap Alaska Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Francisco Intl. Airport (SFO) one to three months ahead of your departure day. 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. No matter the fare class and journey, the ideal 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 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.

Fill in your dates, hit search and select the “Nonstop” filter on Expedia to browse any direct flights from BWI to SFO with Alaska Airlines or another airline.

To find the earliest departure from BWI to SFO with Alaska Airlines, filter your results by “Early Morning” and “Morning.” Booking an early flight usually means cancellations are less likely.**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.

Alaska Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Francisco arrive at San Francisco Intl. Airport (SFO). This is the main entry point here.

Alaska Airlines makes flying from BWI to SFO more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Mileage Plan. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or modify your flight, although additional fees may apply if your booking was made over 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” or “Changes included” filter to find flights that won’t penalize you if you have to alter your plans. To modify your itinerary, go to “Trips,” select your flight and click on “Manage Booking” for more information.