SJC - SEA

$79 Find Cheap Flights from San Jose to Seattle - Compare and Save

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Everything you should know

Cheapest round-trip
$172
Typical prices: $205-$393
Southwest
Sun 9/9Wed 9/26
SJC - SEA • 2 stops
Cheapest non-stop
$177
Typical prices: $204-$393
Delta
Mon 10/1Sat 10/6
SJC - SEA • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines, Delta and Southwest. Average duration is 2h 19m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 65% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 31% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $205 (round-trip)
Shortest trip • 4h 23m (one-way)
Insights
Insights
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Expert advice
Flight Deals

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

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

Recent round-trip flight deals from San Jose to Seattle

Wed, Sep 16 - Wed, Sep 23
Southwest Logo
1:00 pm - 8:20 pmSJC  San Jose-SEA Seattle/Tacoma Intl
7h 20m2 stops San Diego Oakland
Southwest Logo
6:40 pm - 8:55 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 15mnonstop
$172Southwest
Wed, Sep 9 - Sat, Sep 26
Southwest Logo
1:00 pm - 8:20 pmSJC  San Jose-SEA Seattle/Tacoma Intl
7h 20m2 stops San Diego Oakland
Southwest Logo
4:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 25mnonstop
$172Southwest
Tue, Oct 6 - Thu, Oct 8
Delta Logo
7:31 am - 10:00 amSJC  San Jose-SEA Seattle/Tacoma Intl
2h 29mnonstop
Delta Logo
11:30 am - 1:57 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 27mnonstop
$177Delta
Thu, Sep 17 - Mon, Sep 21
Delta Logo
7:25 am - 9:55 amSJC  San Jose-SEA Seattle/Tacoma Intl
2h 30mnonstop
Delta Logo
8:25 am - 10:52 amSEA  Seattle/Tacoma Intl-SJC San Jose
2h 27mnonstop
$177Delta
Thu, Nov 19 - Mon, Nov 23
Alaska Airlines Logo
6:17 am - 8:40 amSJC  San Jose-SEA Seattle/Tacoma Intl
2h 23mnonstop
Alaska Airlines Logo
8:27 pm - 10:40 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 13mnonstop
$188Alaska Airlines
Fri, Oct 16 - Thu, Oct 22
Alaska Airlines Logo
6:17 am - 8:37 amSJC  San Jose-SEA Seattle/Tacoma Intl
2h 20mnonstop
Alaska Airlines Logo
3:48 pm - 6:01 pmSEA  Seattle/Tacoma Intl-SJC San Jose
2h 13mnonstop
$188Alaska Airlines
Fri, Sep 25 - Sat, Oct 3
Frontier Logo
9:03 pm - 6:36 pmSJC  San Jose-SEA Seattle/Tacoma Intl
21h 33m1 stop Los Angeles Los Angeles
Frontier Logo
8:15 pm - 7:53 pmSEA  Seattle/Tacoma Intl-SJC San Jose
23h 38m1 stop Los Angeles Los Angeles
$188Frontier
Fri, Sep 18 - Thu, Sep 24
Frontier Logo
1:38 pm - 9:42 amSJC  San Jose-SEA Seattle/Tacoma Intl
20h 04m1 stop Las Vegas Harry Reid Intl
Frontier Logo
9:45 pm - 12:43 pmSEA  Seattle/Tacoma Intl-SJC San Jose
14h 58m1 stop Las Vegas Harry Reid Intl
$188Frontier
Wed, Oct 14 - Wed, Oct 28
American Airlines Logo
12:59 pm - 8:53 pmSJC  San Jose-SEA Seattle/Tacoma Intl
7h 54m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
11:44 am - 6:36 pmSEA  Seattle/Tacoma Intl-SJC San Jose
6h 52m1 stop Phoenix Sky Harbor Intl
$237American Airlines
Wed, Nov 4 - Mon, Nov 16
American Airlines Logo
12:58 pm - 8:09 pmSJC  San Jose-SEA Seattle/Tacoma Intl
7h 11m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:20 am - 12:08 pmSEA  Seattle/Tacoma Intl-SJC San Jose
5h 48m1 stop Phoenix Sky Harbor Intl
$242American Airlines
Booking Insights

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

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

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

Round-trip flights from San Jose to Seattle start at $172. Prices are below average for this route right now, with typical round-trip fares ranging from $205 to $393. The lowest price found in the past 5 days was $172 on Southwest.

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

Tuesday is the cheapest day of the week to fly from San Jose to Seattle, it is 14% cheaper than the average day. Friday is the most expensive day with flight prices 10% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from San Jose to Seattle at $193 round-trip.
  • June ($329) and July ($303) 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 San Jose to Seattle the cheapest?

Flights from San Jose to Seattle are cheapest 23 weeks before departure. Booking in this window typically costs about 65% 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 San Jose to Seattle

 
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 San Jose to Seattle flights

Low season

February

Cheapest flight

$79
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from San Jose to Seattle

When to book flights from San Jose to Seattle

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

Your San Jose to Seattle flight questions, answered

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

  • Where are baby care facilities at Seattle-Tacoma International Airport?

    You can use the Mother’s Room, which offers a private and quiet space equipped with adjustable lighting, power outlets, rocking chairs, and more. One of these facilities is located at the Kid’s Play Area. Other locations include S Gate Mezzanine Level, Gate C10, Gate A9, Gate N2, Gate D23, and Gate D10. You can rent a car seat and stroller at the Smarte Carte Storage section in Baggage Claim.

  • Are there nonstop flights from San Jose to Seattle?

    Both Delta and Alaska Airlines fly nonstop from San Jose International Airport to Seattle-Tacoma International Airport. If you want to compare rates and schedules, you should book through KAYAK for comprehensive details about the different flights.

  • Are there pet relief areas at San Jose International Airport?

    If you have a pet and want facilities that can keep your companion happy, San Jose International Airport offers several relief areas, located post-security and pre-security. The pre-security locations are outside Terminal A, south of the parking garage, and outside Terminal A, north of the ticketing area. Also, there’s a facility outside Terminal B north of ticketing. Post-security, the pet relief area is inside the passenger walkway located between gates 16 and 17.

  • Are there on-site hotels at Seattle-Tacoma International Airport?

    Passengers who prefer to book a room have several hotels near the airport to choose from. Red Roof Inn is located 4min from the airport, and guests get a complimentary airport shuttle service, which runs every 20min. La Quinta Inn & Suites, also located 4min from the airport, offers a free shuttle service. You can also book accommodation at Red Lion Hotel or Hilton Seattle Airport Hotel, both located less than 5min from the airport.

  • What luggage handling services can travelers from San Jose to Seattle access at Seattle-Tacoma International Airport?

    Among the luggage handling services travelers from San Jose can access at SEA are luggage carrying and storage services. Baggage carts or the Smarte Carte are accessed in the Central Terminal, landside near each gate, while Baggage can be stored at the Smarte Carte Baggage Storage on the Baggage Claim level between Carousels 12 & 13.

  • Where can I rent a car at Seattle-Tacoma International Airport (SEA)?

    To rent a car after deplaning from your San Jose to Seattle flight, you will visit any on site car rentals easily accessed at the Sea-Tac Airport Rental Car Facility within the airport grounds. The car rental facility is accessed via a courtesy shuttle at each terminal.

  • How can I connect from downtown San Jose to San Jose Mineta International Airport?

    If you want to connect from Downtown San Jose to SJC for your flight to SEA, please note that the Airport Flyer shuttle and Valley Transportation Authority (VTA) bus line 10 run continuously between Downtown San Jose and SJC. The bus and the Airport Flyer shuttle depart the Metro Light Rail station in Downtown San Jose to SJC every 15min.

  • Which cities can I visit near Seattle-Tacoma International Airport?

    Besides servicing travelers from San Jose to Seattle, SEA can also serve as the destination airport for travelers connecting to Seattle's neighboring cities, such as Victoria, Surrey, and Burnaby. Since these cities are a comfortable drive away, you can conveniently connect to either of these cities via a car rental.

  • Which family-friendly airlines can I consider for my flight from San Jose to Seattle?

    One of the family-friendly airlines to consider for your flight from SJC to SEA with kids is Alaska Airlines. The boarding for families with young children allows children under the age of 2 to fly for free on their parent's lap.

  • Where can late-night travelers spend their nights at Seattle-Tacoma International Airport?

    Among the accommodation options late-night travelers from San Jose to Seattle can consider at SEA is the Hilton Seattle Airport & Conference Center. Despite being a comfortable walk away, the airport hotel offers free airport shuttle services from the terminals.

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

    Among airlines operating San Jose to Seattle 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 San Jose to Seattle?

    3 airlines operate flights between San Jose and Seattle. The airlines offering nonstop flights on this route include:
    • Alaska Airlines
    • Delta
    • Southwest

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

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

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $205 round-trip via Denver Intl (DEN), compared to $279 for nonstop.

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

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 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 San Jose to Seattle?

    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 San Jose to Seattle pass through?

    One-stop flights from San Jose to Seattle most commonly connect through:

    • San Diego (SAN) - 33% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 25% of one-stop connections
    • Denver Intl (DEN) - 17% of one-stop connections
    • Los Angeles Los Angeles (LAX) - 17% of one-stop connections

    San Diego (SAN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 22% on the San Jose to Seattle route. Tuesday is the cheapest departure day at $243 round-trip on average, while Friday is the most expensive at $309, a difference of $66. 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 San Jose to Seattle spread across the day?

    Morning is the busiest departure period on San Jose to Seattle flights, with 51% of flights leaving in that window. Afternoon departures account for 17%, evening flights for 16%, and night flights for 16%.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

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

    A nonstop flight from San Jose to Seattle takes 2h 19m, covering 697 miles.

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

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

    • Earliest: departs at 6:00 am and lands at 8:19 am
    • Latest: departs at 9:38 pm and lands at 11:57 pm.

    The flight takes about 2h 19m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 107% above the route average of $280. Book 23 weeks before departure for the lowest fares.

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

    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 San Jose to Seattle 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 $172 to $890. That means the highest observed fare was about 5x higher than the lowest one.

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

    One-way fares from San Jose to Seattle are currently lower than usual. Average one-way flight prices are about $82, which is 55% below the typical average for this route.

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

    Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 4h 23m, compared with 5h 34m via San Diego (SAN) and 10h 49m via Las Vegas Harry Reid Intl (LAS).

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Fox
    · Europcar
    · Thrifty
    · Budget
    · Dollar

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

    Round-trip flights from San Jose to Seattle range from $205 to $393, with an average of $280 over the past 12 months. Anything below $205 counts as a good deal.

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

    Three airlines offer in-flight Wi-Fi on San Jose to Seattle 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 San Jose to Seattle 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 Tuesday departure instead of Friday. On this route, Tuesday flights average $243 - about $66 less than Friday (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 65% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Jose to Seattle trip for January. Fares historically average $193 round-trip in that month - typically $136 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $205 round-trip on this route - about $74 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 Seattle/Tacoma Intl Airport.
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
    - Coast Gateway Hotel
    - Seattle Airport Marriott
  • If you’re in San Jose, consider using the San Jose International Airport (SJC) for flights to Seattle, Washington. You can find flights by multiple airlines at this airport.
  • San Jose International Airport offers restrooms throughout the terminals. The restrooms have infant diaper changing stations and stalls for persons with disabilities.
  • Free Wi-Fi is available at all terminals and throughout the airport. The service includes 24h customer service. To use the Wi-Fi, connect to “sjcfreewifi.”
  • There are many places to eat at San Jose International Airport, including Chick-fil-A in Terminal B, Euro Café in Terminal A near the Baggage Claim, and Starbucks at Terminal A and B near Gate 13 and 22, respectively.
  • Located south of downtown Seattle and northeast of downtown Tacoma, the Seattle-Tacoma International Airport (SEA) is the airport of choice when traveling from San Jose to Seattle.
  • To charge your devices at Seattle-Tacoma International Airport, there are FuelRod locations at Baggage Claim near carousel 9, Concourse A near the restrooms, Concourse D between D1 and D2, and Concourse C near Gate C14A.
  • If you’re thirsty, there are water bottle refill stations at Seattle-Tacoma International Airport you can use free of charge. You can refill at Gates A2, A5, C2, D1, and S Gates.
  • At Seattle-Tacoma International Airport, ATMs are available at the Central Terminal, in all gated areas, and at Landside.
  • Travelers who arrive early for their flight from San Jose Mineta International Airport (SJC) to Seattle-Tacoma International Airport (SEA) can consider spending their extra free minutes in the observation decks. Terminal A's observation deck is on the mezzanine Level near the food court area, while Terminal B's observation deck is on the terminal's second level, near Gate 27.
  • To catch up with your early morning flight from SJC to SEA, consider spending your night in a hotel close to your departure terminals. Among these hotels is Fairmont San Jose Airport Hotel. The hotel is located on the airport grounds adjacent to Terminal A.
  • Business travelers deplaning from their flights from San Jose to Seattle some minutes before their scheduled business meeting can consider paying for their entry ticket to the Club at SJC A15, in Terminal A, Airside, 3rd Level, across near Gate A15. The lounge offers a conducive environment for business transactions or meetings.

Prefer to fly direct from San Jose to Seattle?

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

Direct departures

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

Direct returns

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

Everything you need to know for your flight from San Jose to Seattle

Other airlines flying from San Jose to Seattle