SEA - SJC

$81 Find Cheap Flights from Seattle to San Jose - Compare and Save

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Everything you should know

Cheapest round-trip
$162
Typical prices: $189-$396
Alaska Airlines
Fri 10/19Wed 10/24
SEA - SJC • Non-stop
Cheapest one-way
$81
Typical prices: $128-$303
Frontier
Sun 10/21
SEA - SJC • 1 stop
Advice from real travelers
Southwest free carry-on adds value, while Delta offers free Wi-Fi for SkyMiles.
Alaska's 20-minute baggage guarantee helps on this busy SEA to SJC route.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with Alaska Airlines, Delta and Southwest. Average duration is 2h 18m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 25 weeks in advance save around 69% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $160 (round-trip)
Shortest trip • 17h 34m (one-way)
Insights
Insights
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We hope you love your trip to San Jose!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to San Jose

Mon, Oct 19 - Sat, Oct 24
Alaska Airlines Logo
3:48 pm - 6:01 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 13mnonstop
Alaska Airlines Logo
8:02 am - 10:18 amSJC  San Jose-SEA Seattle/Tacoma Intl
2h 16mnonstop
$162Alaska Airlines
Mon, Oct 19 - Sat, Oct 24
Alaska Airlines Logo
2:59 pm - 10:48 pmSEA  Seattle/Tacoma Intl-SJC San Jose
7h 49m1 stop San Diego
Alaska Airlines Logo
4:48 pm - 7:01 pmSJC  San Jose-SEA Seattle/Tacoma Intl
2h 13mnonstop
$171Alaska Airlines
Wed, Nov 4 - Tue, Nov 10
Delta Logo
11:30 am - 1:57 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 27mnonstop
Delta Logo
5:54 pm - 8:18 pmSJC  San Jose-SEA Seattle/Tacoma Intl
2h 24mnonstop
$201Delta
Wed, Oct 28 - Wed, Oct 28
Delta Logo
11:30 am - 1:57 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 27mnonstop
Delta Logo
7:33 pm - 9:59 pmSJC  San Jose-SEA Seattle/Tacoma Intl
2h 26mnonstop
$201Delta
Wed, Oct 21 - Wed, Oct 21
Southwest Logo
7:05 am - 9:15 amSEA  Seattle/Tacoma Intl-SJC San Jose
2h 10mnonstop
Southwest Logo
7:40 pm - 10:00 pmSJC  San Jose-SEA Seattle/Tacoma Intl
2h 20mnonstop
$201Southwest
Wed, Oct 7 - Wed, Oct 14
Southwest Logo
7:05 am - 9:15 amSEA  Seattle/Tacoma Intl-SJC San Jose
2h 10mnonstop
Southwest Logo
6:00 am - 8:15 amSJC  San Jose-SEA Seattle/Tacoma Intl
2h 15mnonstop
$201Southwest
Wed, Oct 14 - Wed, Oct 21
Multiple Airlines Logo
8:00 pm - 8:07 pmSEA  Seattle/Tacoma Intl-SJC San Jose
24h 07m1 stop Los Angeles
Multiple Airlines Logo
8:02 am - 10:18 amSJC  San Jose-SEA Seattle/Tacoma Intl
2h 16mnonstop
$203Multiple Airlines
Thu, Oct 29 - Mon, Nov 2
Frontier Logo
8:09 pm - 8:12 pmSEA  Seattle/Tacoma Intl-SJC San Jose
24h 03m1 stop Los Angeles
Frontier Logo
9:07 pm - 6:54 pmSJC  San Jose-SEA Seattle/Tacoma Intl
21h 47m1 stop Los Angeles
$207Frontier
Thu, Nov 5 - Tue, Nov 10
American Airlines Logo
6:20 am - 12:08 pmSEA  Seattle/Tacoma Intl-SJC San Jose
5h 48m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 1:51 pmSJC  San Jose-SEA Seattle/Tacoma Intl
7h 51m1 stop Phoenix Sky Harbor Intl
$276American Airlines
Thu, Nov 5 - Tue, Nov 10
American Airlines Logo
2:53 pm - 5:03 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 10mnonstop
American Airlines Logo
6:00 am - 1:51 pmSJC  San Jose-SEA Seattle/Tacoma Intl
7h 51m1 stop Phoenix Sky Harbor Intl
$306American Airlines
Booking Insights

Price, demand and travel trends for Seattle to San Jose flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to San Jose with more confidence.

How much is a round-trip flight from Seattle to San Jose?

Round-trip flights from Seattle to San Jose start at $162. Prices are below average for this route right now, with typical round-trip fares ranging from $189 to $396. The lowest price found in the past 5 days was $162 on Alaska Airlines.

What's the cheapest day of the week to fly from Seattle to San Jose?

Wednesday is the cheapest day of the week to fly from Seattle to San Jose, it is 15% cheaper than the average day. Monday is the most expensive day with flight prices 30% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Seattle to San Jose?

•October is the cheapest month to fly from Seattle to San Jose at $201 round-trip.
•February ($343) and July ($297) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to San Jose the cheapest?

Flights from Seattle to San Jose are cheapest 25 weeks before departure. Booking in this window typically costs about 69% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Seattle to San Jose

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Bill Fink

Bill Fink

Expert on SJC

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Key details for Seattle to San Jose flights

Low season

September

Cheapest flight

$81
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from Seattle to San Jose

When to book flights from Seattle to San Jose

Are your dates flexible? Find out the best times to travel from Seattle to San Jose based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Seattle to San Jose: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Seattle to San Jose 
Verified travelerFlew with Alaska Airlines-Jul 2026
Super easy to park in the Economy Lot #1 and take the shuttle to the terminal.
GeraldFlew with Delta-Mar 2026
Flights earlier in the day are better - less chance of stacking delays. Much better than SFO flights, They're terrible in August (fog).
Verified travelerFlew with Alaska Airlines-Aug 2024
The airport is busy and a mess with construction. There is a train to take so account for extra time.

Your Seattle to San Jose flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which hotels have free shuttles from Norman Y. Mineta San Jose International Airport (SJC)?

    Many hotels near San Jose offer complimentary shuttles from the airport. If you are looking for a pocket-friendly hotel near SJC, choose La Quinta Inn & Suites by Wyndham San Jose Airport, which has free airport shuttles and is a short distance from Santa Clara Convention Center. Alternatively, Biltmore Hotel and Suites Santa Clara Hotel provides airport shuttles and is a short drive from California’s Great America theme park.

  • How do I get to SeaTac Airport from downtown Seattle?

    Travelers can hail a cab or take the Local Link Train from Chinatown Station/International District. Many bus options are also available, including King County Metro buses from South 176th Street and State Highway 99.

  • What is there to do at Seattle-Tacoma International Airport?

    In addition to the airport’s live music at various locations in the terminal, the airport enhances travelers’ experience with artistic offerings. Permanent collections and rotating exhibits display a mix of international and local artists and provide passengers with an interesting way to kill time before their flight. These can be found on Concourses N, C, B, A, D, and the Baggage Claim Hall.

  • Does SJC offer any services for families traveling with children?

    Yes. SJC offers several family-friendly amenities. Nursing rooms are located near Gates A and B. The Zoom Zone interactive play space is in Terminal B between Gates 25 and 24.

  • Does SJC offer any services for families traveling with children?

    If you and your children are on a flight to San Jose from Seattle, be sure to take advantage of the airport’s numerous kid-friendly amenities. In addition to Gates A and B’s nursing rooms, the Zoom Zone interactive play space in Terminal B between Gates 25 and 24 is a great place to keep your kids entertained after you deplane.

  • How do I get to SeaTac Airport from downtown Seattle?

    You can hail a cab or take the Local Link Train from Chinatown Station/International District. Alternatively, you may take one of the many buses like King County Metro buses from South 176th street and State Highway 99.

  • Which airlines offer extra legroom and free seat selection on Seattle to San Jose flights?

    Among airlines operating Seattle to San Jose flights:

    • Alaska Airlines: offers extra legroom; offers free seat selection
    • Delta: offers extra legroom; offers free seat selection
    • Southwest: offers free seat selection
    • American Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Seattle to San Jose?

    3 airlines operate flights between Seattle and San Jose. The airlines offering nonstop flights on this route include:

    • Alaska Airlines
    • Delta
    • Southwest

  • Which airports can I use when flying from Seattle to San Jose?

    Flights from Seattle to San Jose usually depart from Seattle/Tacoma Intl (SEA) and arrive at San Jose (SJC).

  • Which airlines include bags at no extra cost on Seattle to San Jose flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in Economy Class
    • Delta: a cabin bag and a checked bag in Economy Class
    • Southwest: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Seattle to San Jose?

    Three cabin classes are available on flights from Seattle to San Jose:

    • Economy Class
    • Business Class
    • First Class

  • How much can I save by taking a layover when flying from Seattle to San Jose?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $160 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $268 for nonstop.

  • What is the standard checked-bag allowance on flights from Seattle to San Jose?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Seattle to San Jose?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Which airports do connecting flights from Seattle to San Jose pass through?

    Connecting flights from Seattle to San Jose most commonly pass through:

    • Denver Intl (DEN) - 50% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 50% of one-stop connections
    Together, these airports account for 100% of one-stop bookings on this route.

  • Can I save money by using flexible dates for flights from Seattle to San Jose?

    Yes. Being flexible with your travel dates can save you up to 35% on the Seattle to San Jose route. Wednesday is the cheapest departure day at $229 round-trip on average, while Monday is the most expensive at $351, a difference of $122. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from Seattle to San Jose spread across the day?

    Morning is the busiest departure period on Seattle to San Jose flights, with 42% of flights leaving in that window. Afternoon departures account for 33%, evening flights for 25%, and night flights for 0%.

  • What popular places can I visit in San Jose?

    Some of the most popular sights in San Jose are San Jose McEnery Convention Center, SAP Center at San Jose and Civic Auditorium. These are among the most viewed places in San Jose on KAYAK.

  • What are the earliest and latest flights from Seattle to San Jose?

    These are the earliest and latest flight times available from Seattle to San Jose:

    • Earliest: departs at 6:30 am and lands at 8:48 am
    • Latest: departs at 9:45 pm and lands at 12:03 am.

    The flight takes about 2h 18m.

  • How expensive are last-minute Seattle to San Jose flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 113% above the route average of $268. Book 25 weeks before departure for the lowest fares.

  • How long is a flight from Seattle to San Jose?

    A nonstop flight from Seattle to San Jose takes 2h 18m, covering 697 miles.

  • Do I need a passport to fly from Seattle to San Jose?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Seattle to San Jose changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $162 to $848. That means the highest observed fare was about 5x higher than the lowest one.

  • How are flight prices from Seattle to San Jose looking right now?

    One-way fares from Seattle to San Jose are currently lower than usual. Average one-way flight prices are about $99, which is 53% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Seattle to San Jose?

    Flying via Las Vegas Harry Reid Intl (LAS) gives the shortest average 1-stop total travel time at 11h 12m, compared with 17h 34m via Denver Intl (DEN).

  • What car rental options are available at San Jose Airport (SJC)?

    San Jose Airport (SJC) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    • Europcar
    • Fox
    • Thrifty
    • Dollar
    • Hertz

  • How much should I expect to pay for a Seattle to San Jose flight?

    Round-trip flights from Seattle to San Jose range from $189 to $396, with an average of $268 over the past 12 months. Anything below $189 counts as a good deal.

  • Which airlines offer Wi-Fi on Seattle to San Jose flights?

    Three airlines offer in-flight Wi-Fi on Seattle to San Jose flights:

    • Alaska Airlines
    • Delta
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Seattle to San Jose flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $229 - about $122 less than Monday (35% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 69% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to San Jose trip for October. Fares historically average $201 round-trip in that month - typically $142 less than the most expensive month, which is February (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $160 round-trip on this route - about $108 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Jose Airport.
    - Country Inn & Suites by Radisson, San Jose Airport
    - DoubleTree by Hilton San Jose
    - Sonesta Select San Jose Airport
  • For passengers who have Fido traveling with them, a variety of pet relief spots are provided throughout Seattle-Tacoma International Airport (SEA). Outside the Main Terminal, there are two pet relief stations, while three are placed inside the airport. These inside pet relief spots are found in South Satellite, Concourse B, and North Satellite.
  • If you're taking your bike to SeaTac Airport, use the on-site bike facility. It has complimentary pumps and tools, so assembling or disassembling your bike before your trip is easier.
  • If you are taking your bike to SeaTac Airport, there is a bike facility at the premises with complimentary pumps and tools, making assembling and disassembling your bike an effortless task before your journey. The airport offers long-term storage as well as day storage at the Atrium close to baggage claim carousel 2 and door 4, or the baggage claim close to the exits of Gates C and D.
  • If you need help finding your gate, look for a Pathfinder wearing bright green in the terminal. They can give you directions and provide assistance.
  • Proceed to the USO lounge in Norman Y. Mineta San Jose Airport (SJC) if you or your family member is a member of the U.S. Military. This facility, between Terminals B and A, offers travelers workstations, food, magazines, and television.
  • Direct flights from Seattle to San Jose are more sustainable than flights with stops, with approximately 1,698 lbs of carbon being released per person. If you wish to be more sustainable in your travels, Alaska Airlines, American Airlines, and Southwest Airlines are eco-friendlier. They release 50%, 42%, and 39% less carbon respectively.
  • Traveling on active-duty U.S. military orders? Head to the Military Lounge at Norman Y. Mineta San Jose Airport (SJC), but arrange access in advance. Located between Terminals B and A, it offers tables and chairs, snacks and beverages, books and a large-screen television.
  • If you have questions regarding SeaTac Airport or need assistance locating your gate, look out for the airport volunteers in bright blue vests. These volunteers are stationed around each terminal and are available to answer any questions you might have about the airport’s services and flights.

Prefer to fly direct from Seattle to San Jose?

 
Find which airlines fly direct from Seattle/Tacoma Intl Airport to San Jose Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to San Jose

Monday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

See more direct flights

Direct returns

San Jose to Seattle/Tacoma Intl

Monday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Tuesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Wednesday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Thursday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Friday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Saturday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

Sunday

Alaska Airlines,Delta,Southwest

Alaska Airlines,Delta, +1 more

See more direct flights

More options for your flight from Seattle to San Jose

Complete your trip to San Jose with a hotel stay or car rental