The cheapest times to fly from SEA to SJC are
- January 1st to March 11th
- April 16th to May 6th
- September 3rd to November 18th
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SEA to SJC is late October. Prices can be as high as $644 for Friday flights during late July, or as low as $132 for Tuesday flights around late October.
When to Fly to San Jose
Flying from Seattle, WA (SEA) to San Jose, CA (SJC) will usually cost between $132 to $235 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late October with an average ticket price of $138. Due to high demand the most expensive time to fly is late July, with an average price of $342. Planning your trip to low-cost times can easily save you $204 on economy flights and even more on first-class flights. Generally, any price below $167 can be considered a good price for a round-trip SEA to SJC flight.
See below for a graph of average weekly prices for the SEA to SJC route. All prices are for round-trip tickets in USD.
Compared to other flights, the SEA to SJC flight is much cheaper than the average and costs much less than the average flight leaving from Seattle. The average price per mile (for a direct flight) is $0.15, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $36 (18%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $161. Return trip prices are from the SJC to SEA flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SEA to SJC can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 14 minutes may be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from SEA to SJC while comparing.
- 30 miles (48 km) away from SJC
- Usually 2.10% less expensive than SJC
- Nonstop flights available
Flight Questions Answered
Still have questions about flying from SEA to SJC? We’ve got answers.
Which airlines fly this route?
You can find 9 major airlines flying this route most often: Alaska, American, Delta, Emirates, Frontier, JetBlue, Singapore Airlines, Southwest, United, and potentially more during busy seasons.
How far away is it from Norman Y. Mineta San Jose International Airport to Seattle/Tacoma International Airport?
The distance between the two airports is roughly 697 miles or 1122 kilometers.
How long does it take to fly from SEA to SJC?
The real-world flight time for a nonstop SEA to SJC flight is about 2 hour 14 minutes.
How many flights go between Seattle, WA and San Jose, CA?
It depends on the day of the week and the date, but a typical day might have around 60 available flights from SEA to SJC.
Airport Location Info
|Origination airport name||Seattle/Tacoma International Airport|
|Country||the United States|
|Destination airport name||Norman Y. Mineta San Jose International Airport|
|City||San Jose, CA|
|Country||the United States|
Late and Early Flight Data
Flights from SEA to SJC tend to depart as late as the average flight. According to our recently updated data, 24% of flights departed 5 or more minutes late, and 24% of flights left 5 or more minutes early. On average you can expect to leave SJC heading for SEA about 9 minutes late. This does significantly impact arrival time, as the average landing time in San Jose, CA is about 4 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- Southwest: 3 minutes late
- Delta: 44 minutes late
- SkyWest: 1 minutes late
- Alaska: 4 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.