$129 Cheap American Airlines flights Washington (DCA) to San Francisco (SFO)

Scoring cheap one-way American Airlines flights from DCA to SFO from $129 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $257 for your next getaway.**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.

American Airlines flights to San Francisco are often cheaper in the quieter months of February and April. Whether you’re after a one-way or a return ticket, you could find a better deal then.

To find cheap American Airlines fares from Ronald Reagan Washington National Airport (DCA) to San Francisco Intl. Airport (SFO), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence how much you pay. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**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.

Click on our “Nonstop” filter when browsing for direct American Airlines flights from DCA to SFO. It’s also a good way to compare other carriers offering the same nonstop journey.

Sort your results by “Morning” and “Early Morning” to find the earliest flights from DCA to SFO. Heading off early means flight 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.

American Airlines flights from Ronald Reagan Washington National Airport (DCA) to San Francisco arrive at San Francisco Intl. Airport (SFO). This is the main entry point to this city.

It’s usually possible to reschedule or cancel your flight, although there may be additional charges if your booking was made over 24 hours ago. Prefer to keep your options open? Make use of Expedia’s “Changes included” and “No cancel fee” filters to find flights that won’t charge you extra if you have to revise your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for further information.