C$ 110 Find Cheap Flights from Seattle to San Jose – Compare and Save

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.

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

• Alaska Airlines
• Delta
• Southwest

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

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

• Alaska Airlines: a carry-on bag and a checked bag in Economy Class
• Delta: a carry-on bag and a checked bag in Economy Class
• Southwest: a carry-on bag and a checked bag in Economy Class

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

Only Economy Class is available on flights from Seattle to San Jose.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 222 round-trip via Las Vegas Harry Reid Intl (LAS), compared to C$ 372 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 49–C$ 125 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

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.

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.

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 C$ 318 round-trip on average, while Monday is the most expensive at C$ 487, a difference of C$ 169. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

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.

Last-minute fares on this route – booked within 2 weeks of departure – run 113% above the route average of C$ 372. Book 25 weeks before departure for the lowest fares.

A direct flight from Seattle to San Jose takes 2h 18m, covering 1,805 km.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 218 to C$ 1,119. That means the highest observed fare was about 5x higher than the lowest one.

One-way fares from Seattle to San Jose are currently lower than usual. Average one-way flight prices are about C$ 134, which is 54% below the typical average for this route.

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).

San Jose Airport (SJC) hosts 5 major car rental companies, with daily rates starting from around C$ 25 for economy cars. Top options include:
• Europcar
• Fox
• Thrifty
• Dollar
• Hertz

Round-trip flights from Seattle to San Jose range from C$ 262 to C$ 549, with an average of C$ 372 over the past 12 months. Anything below C$ 262 counts as a good deal.

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

• • Alaska Airlines
• • Delta
• • JetBlue