Cheap Alaska Airlines flights Washington (DCA) to San Jose (SJC)

Grab affordable return Alaska Airlines flights from $250 from DCA to SJC by filtering your results from “Price (lowest to highest)” on Expedia. Or search for deals 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.

April is one of the least expensive months to get away to San Jose with Alaska Airlines. You could also find great prices on return and one-way fares in November.

Begin your search one to three months before your departure to get cheaper fares on Alaska Airlines flights from Ronald Reagan Washington National Airport (DCA) to Norman Y. Mineta San Jose Intl. Airport (SJC). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce 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 flights.*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.

To figure out if there’s a direct route from DCA to SJC with Alaska Airlines or other airlines, select the “Nonstop” filter when looking for flights.

Search Alaska Airlines’s earliest flights from DCA to SJC by checking the “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**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 Ronald Reagan Washington National Airport (DCA) to San Jose land at Norman Y. Mineta San Jose Intl. Airport (SJC). This is the main entry point to this city.

Offering top-tier customer service and a rewarding loyalty program, Alaska Airlines is a popular option for many travelers heading from DCA to SJC. What’s more, if you’re a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of fare you purchased, a fee may apply if you cancel or change your flight more than 24 hours after it’s been confirmed. To secure flexible fares, select our “Changes included” or “No cancel fee” filter while searching for flights. For more details on canceling or changing your reservation, visit “Trips,” select your flight and click on “Manage Booking.”