$125 Cheap Alaska Airlines flights Washington (IAD) to San Jose (SJC)

View $125 flight on Wed, Oct 22, 2025Opens in a new window

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$125 Cheap Alaska Airlines flights Washington (IAD) to San Jose (SJC)

Prices were available within the past 7 days and start at $125 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Washington (IAD) to San Jose (SJC)
Origin airport
Washington Dulles Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2394 mi

Frequently asked questions

How much is an Alaska Airlines flight from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Apply the "Price (lowest to highest)" filter on Expedia to look for cheap Alaska Airlines return flights from IAD to SJC. Affordable one-way options from $125 are also available.**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.
What is the cheapest month to fly from IAD to SJC with Alaska Airlines?
April is one of the least expensive months to travel to San Jose with Alaska Airlines. You could also find excellent prices on return and one-way tickets in November.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC) with Alaska Airlines?
Begin your search one to three months before your departure to score cheaper fares on Alaska Airlines flights from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC). 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.* Get your timing spot on, 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.
Does Alaska Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Use the "Nonstop" filter when browsing for direct Alaska Airlines flights from IAD to SJC. It's also a great way to compare other carriers servicing the same direct trip.
What is the earliest Alaska Airlines flight from IAD to SJC?
Filter your results by "Early Morning" and "Morning" to find the earliest flights from IAD to SJC. Jetting off early means you're 20% less 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.
What airports does Alaska Airlines fly into in San Jose?
Alaska Airlines flights from Washington Dulles Intl. Airport (IAD) to San Jose arrive at Norman Y. Mineta San Jose Intl. Airport (SJC). This is the main gateway here.
Why fly with Alaska Airlines from IAD to SJC?
Flying from IAD to SJC with Alaska Airlines comes with a variety of perks, such as a rewarding loyalty program and top-tier customer service. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the Mileage Plan points you can earn with Alaska Airlines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Washington Dulles Intl. Airport (IAD) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Depending on the ticket type you purchased, a fee generally applies if you cancel or change your booking more than 24 hours after it's been confirmed. To secure tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when looking for flights. For more information on modifying or canceling your reservation, visit "Trips," select your flight and tick "Manage Booking."

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*Available to One Key members.