SJC - SEA

£59 Find Cheap Flights from San Jose to Seattle – Compare and Save

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Everything you should know

Cheapest return flight
£98
Typical prices: £157-£307
Southwest
Mon 10/12Fri 14/12
SJC - SEA • Direct
Cheapest one-way flight
£59
Typical prices: £93-£227
Southwest
Tue 27/11
SJC - SEA • Direct
Direct flights
You can fly direct with Alaska Airlines, Delta, and Southwest. Average duration is 2h 22m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travellers who book at least 23 weeks in advance save around 66% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 34% price drop
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Cheapest • Avg £154 (return)
Shortest trip • 5h 34m (one-way)
Insights
Insights
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We hope you enjoy your trip to Seattle!
Flight Deals
Booking Insights
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 return flight deals from San Jose to Seattle

Thu, 10 Dec - Mon, 14 Dec
Southwest Logo
17:20 - 19:40SJC  San Jose-SEA Seattle/Tacoma Intl
2h 20mdirect
Southwest Logo
08:05 - 10:20SEA  Seattle/Tacoma Intl-SJC San Jose
2h 15mdirect
£98Southwest
Wed, 30 Dec - Tue, 5 Jan
Southwest Logo
21:45 - 00:10SJC  San Jose-SEA Seattle/Tacoma Intl
2h 25mdirect
Southwest Logo
08:05 - 10:20SEA  Seattle/Tacoma Intl-SJC San Jose
2h 15mdirect
£103Southwest
Tue, 1 Dec - Mon, 7 Dec
Southwest Logo
07:20 - 13:25SJC  San Jose-SEA Seattle/Tacoma Intl
6h 05m1 stop Long Beach Municipal
Southwest Logo
08:05 - 10:20SEA  Seattle/Tacoma Intl-SJC San Jose
2h 15mdirect
£106Southwest
Mon, 14 Dec - Fri, 18 Dec
Southwest Logo
06:20 - 08:40SJC  San Jose-SEA Seattle/Tacoma Intl
2h 20mdirect
Southwest Logo
08:30 - 10:45SEA  Seattle/Tacoma Intl-SJC San Jose
2h 15mdirect
£108Southwest
Tue, 17 Nov - Thu, 19 Nov
Southwest Logo
06:20 - 08:40SJC  San Jose-SEA Seattle/Tacoma Intl
2h 20mdirect
Southwest Logo
05:15 - 12:00SEA  Seattle/Tacoma Intl-SJC San Jose
6h 45m2 stops Sacramento Intl Los Angeles
£109Southwest
Thu, 10 Dec - Thu, 10 Dec
Southwest Logo
06:20 - 08:40SJC  San Jose-SEA Seattle/Tacoma Intl
2h 20mdirect
Southwest Logo
10:35 - 20:05SEA  Seattle/Tacoma Intl-SJC San Jose
9h 30m1 stop Long Beach Municipal
£110Southwest
Tue, 1 Dec - Wed, 2 Dec
Southwest Logo
08:10 - 16:00SJC  San Jose-SEA Seattle/Tacoma Intl
7h 50m2 stops Las Vegas Harry Reid Intl Oakland
Southwest Logo
08:05 - 10:20SEA  Seattle/Tacoma Intl-SJC San Jose
2h 15mdirect
£112Southwest
Tue, 24 Nov - Tue, 1 Dec
Southwest Logo
10:50 - 18:35SJC  San Jose-SEA Seattle/Tacoma Intl
7h 45m1 stop Long Beach Municipal
Southwest Logo
10:35 - 16:30SEA  Seattle/Tacoma Intl-SJC San Jose
5h 55m1 stop Long Beach Municipal
£113Southwest
Tue, 5 Jan - Tue, 5 Jan
Alaska Airlines Logo
09:00 - 11:15SJC  San Jose-SEA Seattle/Tacoma Intl
2h 15mdirect
Alaska Airlines Logo
14:57 - 17:06SEA  Seattle/Tacoma Intl-SJC San Jose
2h 09mdirect
£114Alaska Airlines
Tue, 1 Dec - Mon, 11 Jan
Southwest Logo
14:00 - 20:55SJC  San Jose-SEA Seattle/Tacoma Intl
6h 55m1 stop San Diego
Southwest Logo
07:35 - 09:55SEA  Seattle/Tacoma Intl-SJC San Jose
2h 20mdirect
£115Southwest
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 with more confidence.

How much is a return flight from San Jose to Seattle?

Return flights from San Jose to Seattle typically range from £157 to £307. The lowest price found in the past 5 days was £98 on Southwest.

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

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from San Jose to Seattle. It's 12% cheaper than the average day, while Friday is the most expensive, with prices 11% higher.

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 £143 return.
•November (£260) and June (£247) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 81% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights 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 66% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for San Jose to Seattle flights

Low season

November

Cheapest flight

£59
Beat the crowds with an average 28% drop in traveller numbers.
The most popular month to fly with an average 53% increase in traveller numbers.
One-way 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 return price

Your San Jose to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • 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 06:00 and lands at 08:22
    • Latest: departs at 21:45 and lands at 00:07.

    The flight takes about 2h 22m.

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

    A direct flight from San Jose to Seattle takes 2h 22m, covering 697 miles.

  • 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 another form of identification, such as a driving licence.

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

    Return flights from San Jose to Seattle range from £157 to £307, with an average of £217 over the past 12 months. Anything below £157 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 103% above the £217 route average. Book 23 weeks before departure for the lowest fares.

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

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £154 return via Denver Intl (DEN), compared with £217 for direct.

  • 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 £26–£75 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.

  • 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 42% leaving in that window. Afternoon departures account for 25%, Evening flights for 25%, and Night flights for 8%.

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

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £98 to £597. That means the highest observed fare was about 6x higher than the lowest one.

  • 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 programme, while others are paid add-ons priced by flight length.

  • 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 £69, which is 53% below the typical average for this route.

  • Which car hire options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates starting from around £46 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

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

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

    • Los Angeles (LAX) – 33% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) – 27% of one-stop connections
    • San Diego (SAN) – 27% of one-stop connections
    • Denver Intl (DEN) – 13% of one-stop connections

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

    Yes. Flexible dates can save you up to 20% on flights from San Jose to Seattle. Wednesday is the cheapest departure day at £193 return on average, while Friday is the most expensive at £241, a difference of £48.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from San Jose to Seattle?

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

    • Alaska Airlines
    • Delta
    • Southwest

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

    Flying via San Diego (SAN) gives the shortest average 1-stop total travel time of 5h 34m, compared to 9h 58m via Los Angeles (LAX) and 12h 31m via Las Vegas Harry Reid Intl (LAS).

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are The Westin Seattle, Seattle Center, and Seattle Marriott Waterfront. These are among the most viewed places in Seattle on KAYAK.

  • 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.

  • 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

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

  • 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.

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 are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average £193, about £48 less than Friday fares (20% 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 66% 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 £143 return in that month – typically £117 less than the most expensive month, which is November (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 stopover option averages £154 return on this route – about £63 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.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport
  • 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.

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

More options for your flight from San Jose to Seattle

Complete your trip to Seattle with a hotel stay or car hire