Alaska Airlines flights to San Jose from Washington

Set the "Price (lowest to highest)" filter on Expedia to find cheap Alaska Airlines round-trip flights from IAD to SJC. Affordable one-way options 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.

April is one of the cheapest months to jet off to San Jose with Alaska Airlines. You could also find fantastic deals on return and one-way fares in November.

To see if there's a direct journey from IAD to SJC with Alaska Airlines or any other airlines, check the "Nonstop" filter when browsing for flights.

Norman Y. Mineta San Jose Intl. Airport (SJC) is the main San Jose hub for Alaska Airlines flights from Washington Dulles Intl. Airport (IAD).

Changes are generally free within 24 hours of making your booking, but your airline may add a charge after that time. For further details about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to update your itinerary without extra charges, check the "Changes included" or "No cancel fee" filter when planning your trip.