$69 Cheap Flights from San Jose (SJC) to Seattle (SEA)

View $69 flight on Wed, Aug 27, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Sep 27 - Tue, Sep 30
SJC
San Jose
SEA
Seattle
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Southwest Airlines flight, departing Sat, Sep 27 from San Jose to Seattle, returning Tue, Sep 30, priced at $137 just found
Delta
Sat, Oct 18 - Wed, Oct 22
SJC
San Jose
SEA
Seattle
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Delta flight, departing Sat, Oct 18 from San Jose to Seattle, returning Wed, Oct 22, priced at $138 just found
Delta
Sat, Sep 27 - Tue, Sep 30
SJC
San Jose
SEA
Seattle
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Delta flight, departing Sat, Sep 27 from San Jose to Seattle, returning Tue, Sep 30, priced at $139 just found
Alaska Airlines
Sat, Sep 27 - Tue, Sep 30
SJC
San Jose
SEA
Seattle
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 27 from San Jose to Seattle, returning Tue, Sep 30, priced at $147 just found
Alaska Airlines
Sat, Sep 27 - Tue, Sep 30
SJC
San Jose
SEA
Seattle
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 27 from San Jose to Seattle, returning Tue, Sep 30, priced at $147 just found
American Airlines
Sat, Oct 18 - Wed, Oct 22
SJC
San Jose
SEA
Seattle
$149 Roundtrip, just found
$149
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 18 from San Jose to Seattle, returning Wed, Oct 22, priced at $149 just found
American Airlines
Sat, Sep 27 - Tue, Sep 30
SJC
San Jose
SEA
Seattle
$150 Roundtrip, just found
$150
Roundtrip
just found
Select American Airlines flight, departing Sat, Sep 27 from San Jose to Seattle, returning Tue, Sep 30, priced at $150 just found
Southwest Airlines
Sat, Sep 6 - Wed, Sep 10
SJC
San Jose
SEA
Seattle
$152 Roundtrip, found 4 hours ago
$152
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sat, Sep 6 from San Jose to Seattle, returning Wed, Sep 10, priced at $152 found 4 hours ago
Alaska Airlines
Sat, Sep 27 - Tue, Sep 30
SJC
San Jose
SEA
Seattle
$156 Roundtrip, just found
$156
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 27 from San Jose to Seattle, returning Tue, Sep 30, priced at $156 just found
Spirit Airlines
Tue, Aug 12 - Wed, Aug 20
SJC
San Jose
SEA
Seattle
$163 Roundtrip, found 14 hours ago
$163
Roundtrip
found 14 hours ago
Select Spirit Airlines flight, departing Tue, Aug 12 from San Jose to Seattle, returning Wed, Aug 20, priced at $163 found 14 hours ago

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

October is typically the cheapest month to fly

From $67 - $166 per traveler.

Graph displaying average flight prices per month

Flights from San Jose (SJC) to Seattle (SEA)
Origin airport
Norman Y. Mineta San Jose Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$129
Distance
696 mi
Average flight time
2 hours 9 mins

San Jose to Seattle Flights

The cheapest times to fly from San Jose to Seattle

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 San Jose to Seattle are during the month of September. You can find some of the cheapest flights from San Jose to Seattle with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Jose to Seattle: 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 San Jose to Seattle

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 San Jose to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $69 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 San Jose to Seattle 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 San Jose to Seattle 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 Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA) cost?
Find cheap return flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA) starting from $131. Grab your seat and get ready to go. 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 SJC on August 19 2025 and touching down at SEA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from SJC to SEA?
The cheapest flights from SJC to SEA 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 Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA)?
You can choose from 3 carriers that fly nonstop from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA). Including:

  • Alaska Airlines
  • Delta Air Lines
  • Southwest Airlines

What is the cheapest airline that flies from SJC to SEA?
Book a flight from SJC to SEA with Southwest Airlines. This airline currently has the cheapest one-way fare for this route, starting at $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SJC on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA)?
With, on average, 11 direct flights departing from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA) every day, you'll be taking off on vacation soon enough.
What are the most popular departure times for flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA)?
The 3 PM departures from SJC to SEA are typically the busiest. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from SJC to SEA?
Friday has the most flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your plans.
What is the earliest flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA)?
Norman Y. Mineta San Jose Intl. Airport (SJC)'s earliest flight to Seattle - Tacoma Intl. Airport (SEA) departs at approximately 6:25AM UTC-8. With a total flight time of 2h 30m, you'll land at around 8:55AM UTC-8.
How long does it take to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight time from SJC to SEA is 2 hours and 21 minutes, covering a total distance of 700 mi.
What airline has the least delays from SJC to SEA?
United Airlines has the best track record for on-time direct flights from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA), with an on-time rating of 100%. Use the Expedia App to look up your flight schedule before you leave and receive notifications about any changes.
What is the best time to fly from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA)?
Choose a flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Seattle from Norman Y. Mineta San Jose Intl. Airport (SJC)?
If you're boarding a direct flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until just before your trip to book a flight from SJC to SEA generally means paying more. While you might find some last-minute offers, there's no guarantee. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a SJC to SEA flight and hotel package?
Booking a SJC to SEA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Norman Y. Mineta San Jose Intl. Airport (SJC) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your SJC to SEA flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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