$47 Cheap Flights from Seattle (SEA) to San Jose (SJC)

View $47 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)

Cheap Flights from Seattle to San Jose (SEA-SJC)

Prices were available within the past 7 days and start at $47 for one-way flights and $94 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Oct 6 - Sat, Oct 11
SEA
Seattle
SJC
San Jose
$94 Roundtrip, found 1 hour ago
$94
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Oct 6 from Seattle to San Jose, returning Sat, Oct 11, priced at $94 found 1 hour ago
Alaska Airlines
Wed, Oct 1 - Mon, Oct 6
SEA
Seattle
SJC
San Jose
$104 Roundtrip, found 1 hour ago
$104
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Oct 1 from Seattle to San Jose, returning Mon, Oct 6, priced at $104 found 1 hour ago
Southwest Airlines
Sat, Aug 23 - Mon, Aug 25
SEA
Seattle
SJC
San Jose
$104 Roundtrip, found 5 hours ago
$104
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Sat, Aug 23 from Seattle to San Jose, returning Mon, Aug 25, priced at $104 found 5 hours ago
Southwest Airlines
Tue, Oct 7 - Sun, Oct 12
SEA
Seattle
SJC
San Jose
$107 Roundtrip, found 1 hour ago
$107
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Oct 7 from Seattle to San Jose, returning Sun, Oct 12, priced at $107 found 1 hour ago
Southwest Airlines
Mon, Oct 6 - Sat, Oct 11
SEA
Seattle
SJC
San Jose
$109 Roundtrip, found 1 hour ago
$109
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Oct 6 from Seattle to San Jose, returning Sat, Oct 11, priced at $109 found 1 hour ago
Southwest Airlines
Mon, Sep 15 - Sat, Sep 20
SEA
Seattle
SJC
San Jose
$109 Roundtrip, found 1 hour ago
$109
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Sep 15 from Seattle to San Jose, returning Sat, Sep 20, priced at $109 found 1 hour ago
Alaska Airlines
Thu, Oct 2 - Tue, Oct 7
SEA
Seattle
SJC
San Jose
$113 Roundtrip, found 1 hour ago
$113
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, Oct 2 from Seattle to San Jose, returning Tue, Oct 7, priced at $113 found 1 hour ago
Delta
Thu, Oct 2 - Tue, Oct 7
SEA
Seattle
SJC
San Jose
$113 Roundtrip, found 1 hour ago
$113
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Oct 2 from Seattle to San Jose, returning Tue, Oct 7, priced at $113 found 1 hour ago
Spirit Airlines
Tue, Aug 5 - Mon, Aug 11
SEA
Seattle
SJC
San Jose
$114 Roundtrip, found 14 hours ago
$114
Roundtrip
found 14 hours ago
Select Spirit Airlines flight, departing Tue, Aug 5 from Seattle to San Jose, returning Mon, Aug 11, priced at $114 found 14 hours ago
Hawaiian Airlines
Thu, Sep 25 - Tue, Oct 7
PAE
Seattle
SJC
San Jose
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, Sep 25 from Seattle to San Jose, returning Tue, Oct 7, priced at $150 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to San Jose (SJC)

September is typically the cheapest month to fly

From $67 - $157 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to San Jose (SJC)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Norman Y. Mineta San Jose Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$94
Distance
696 mi
Average flight time
2 hours 11 mins

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 October. 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 $47 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC) cost?
You can book cheap return flights starting from $151 from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on July 25 2025 and touching down at SJC. The price was last updated on July 5 2025 and has not changed since.
What is the cheapest month to fly from SEA to SJC?
The cheapest flights from SEA to SJC are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Take the express route to Norman Y. Mineta San Jose Intl. Airport (SJC). 3 carriers offer direct flights from Seattle - Tacoma Intl. Airport (SEA), including:

  • Alaska Airlines
  • Delta Air Lines
  • Southwest Airlines

What is the cheapest airline that flies from SEA to SJC?
With tickets starting at $77 for a one-way flight from SEA to SJC, Alaska Airlines is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on August 20 2025. Prices were last updated on July 5 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
When flying out of Seattle - Tacoma Intl. Airport (SEA), you can pick from an average of 11 daily nonstop flights to Norman Y. Mineta San Jose Intl. Airport (SJC).
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
More travelers fly between SEA and SJC at 3 PM than at any other time of day. Rather go when it's quieter? Consider flying outside peak hours and you could save on your ticket as well.
What day of the week has the most flights from SEA to SJC?
Jet off on a Friday if you're searching for the best choice of flights from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Take the earliest flight at around 6:30AM UTC-8, departing from Seattle - Tacoma Intl. Airport (SEA). You'll be flying for about 2h 11m, touching down at Norman Y. Mineta San Jose Intl. Airport (SJC) at approximately 8:41AM UTC-8.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
Flights from SEA to SJC have an average travel time of 2 hours and 16 minutes. The total distance between the two is 700 mi.
What airline has the least delays from SEA to SJC?
United Airlines has the best performance for on-time direct flights from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC), with an on-time rating of 100%. Use the Expedia App to look up your flight schedule before you take off and get immediate updates about any changes.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
To reach Norman Y. Mineta San Jose Intl. Airport (SJC) without delays, choose a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for San Jose from Seattle - Tacoma Intl. Airport (SEA)?
You can arrive at any of these San Jose airports after your direct flight from Seattle - Tacoma Intl. Airport (SEA):

  • San Francisco Intl. Airport (SFO)
  • Norman Y. Mineta San Jose Intl. Airport (SJC)
  • Oakland Intl. Airport (OAK)

Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC) last-minute?
Last-minute fares from SEA to SJC are generally more expensive. To secure the lowest prices, start searching for flights well ahead of time. That said, if your travel plans are flexible, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a SEA to SJC flight and hotel package?
Securing a SEA to SJC flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Norman Y. Mineta San Jose Intl. Airport (SJC)?
If you booked your SEA to SJC flight in the last 24 hours, you may be able to modify or cancel it without any fees. 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, visit our Customer Service portal for more information.

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*Available to One Key members.