Cheap Flights from Seattle (SEA) to San Jose (SJI)

Popular airlines from Seattle-Tacoma International Airport (SEA) to San Jose (SJI)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI) cost?
Snag a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI)?
Flying in is a great way to save, as it's the cheapest month for flights between SEA and SJI. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest SEA to SJI flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to SJI?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI)?
Opt for a flight from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI) last-minute?
Holding off until just before your trip to book a flight from SEA to SJI generally means paying more. While you might find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to boost your chances of scoring a bargain.
Is it cheaper to book a SEA to SJI flight and hotel package?
You can save money by booking a SEA to SJI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your ideal flights and accommodations, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to San Jose Airport (SJI)?
If you reserved your SEA to SJI flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
San Jose
Distance
6768 mi

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Seattle to San Jose Flights

The cheapest times to fly from Seattle to San Jose

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to San Jose are during the month of . You can find some of the cheapest flights from Seattle to San Jose with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to San Jose

Sunday is one of the best days to book for cheap flights from Seattle to San Jose: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to San Jose

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to San Jose in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to San Jose flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to San Jose airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to San Jose Flights

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*Available to One Key members.