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Flights from Seattle to San Jose

Flight Info | Seattle to San Jose

The distance between Seattle and San Jose is approximately 1,123.19 km. It takes around 2 hours 18 minutes on average to fly from Seattle to San Jose. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is October.

Cheapest one-way
$75
Alaska Airlines Alaska Airlines SEA-SJC 2h 14m · Nonstop Fri, Sep 11
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Cheapest round-trip
$110
Alaska Airlines Alaska Airlines SEA-SJC 2h 13m · Nonstop Sat, Sep 5 - Tue, Sep 8
Select flight
Recommended airlines
Alaska Airlines Alaska Airlines Cheapest · From $75 Alaska Airlines Alaska Airlines Most booked
When to travel
December
Cheapest
July
Peak season for travel
Route details
1,123.19 km
Flight distance
2h 18m
Average flight time

Book direct flights from Seattle to San Jose: One way flights from $75, round trip flights from $110. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SEA 4:32 PM
        2h 13m
        Nonstop
        SJC 6:45 PM
        Seattle - San Jose | Sat, Sep 5 | Alaska Airlines
        SJC 8:00 AM
        2h 17m
        Nonstop
        SEA 10:17 AM
        San Jose - Seattle | Tue, Sep 8 | Alaska Airlines
        $110 $134
        18% off
        18% off
        $134 $110
      • SEA 7:08 AM
        2h 24m
        Nonstop
        SJC 9:32 AM
        Seattle - San Jose | Sat, Sep 26 | Alaska Airlines
        SJC 8:00 AM
        2h 17m
        Nonstop
        SEA 10:17 AM
        San Jose - Seattle | Wed, Sep 30 | Alaska Airlines
        $112 $134
        16% off
        16% off
        $134 $112
      • SEA 5:47 PM
        2h 26m
        Nonstop
        SJC 8:13 PM
        Seattle - San Jose | Sat, Aug 29 | Delta Air Lines
        SJC 7:21 AM
        2h 24m
        Nonstop
        SEA 9:45 AM
        San Jose - Seattle | Tue, Sep 1 | Delta Air Lines
        $112 $134
        16% off
        16% off
        $134 $112
      • SEA 8:25 AM
        2h 27m
        Nonstop
        SJC 10:52 AM
        Seattle - San Jose | Sat, Sep 26 | Delta Air Lines
        SJC 5:45 PM
        2h 29m
        Nonstop
        SEA 8:14 PM
        San Jose - Seattle | Sat, Sep 26 | Delta Air Lines
        $113
        16% off
        $134 $113
      • SEA 2:42 PM
        2h 14m
        Nonstop
        SJC 4:56 PM
        Seattle - San Jose | Tue, Aug 25 | Alaska Airlines
        SJC 10:00 AM
        2h 18m
        Nonstop
        SEA 12:18 PM
        San Jose - Seattle | Wed, Sep 2 | Alaska Airlines
        $113
        16% off
        $134 $113
      • SEA 5:46 PM
        2h 14m
        Nonstop
        SJC 8:00 PM
        Seattle - San Jose | Sat, Sep 19 | Alaska Airlines
        SJC 10:00 AM
        2h 18m
        Nonstop
        SEA 12:18 PM
        San Jose - Seattle | Wed, Sep 23 | Alaska Airlines
        $113
        16% off
        $134 $113
      • SEA 8:25 AM
        2h 27m
        Nonstop
        SJC 10:52 AM
        Seattle - San Jose | Sat, Sep 19 | Delta Air Lines
        SJC 2:41 PM
        2h 19m
        Nonstop
        SEA 5:00 PM
        San Jose - Seattle | Wed, Sep 23 | Delta Air Lines
        $114
        15% off
        $134 $114
      • SEA 2:45 PM
        2h 22m
        Nonstop
        SJC 5:07 PM
        Seattle - San Jose | Wed, Aug 26 | Delta Air Lines
        SJC 8:53 PM
        2h 26m
        Nonstop
        SEA 11:19 PM
        San Jose - Seattle | Wed, Sep 2 | Delta Air Lines
        $116
        13% off
        $134 $116
      • SEA 5:47 PM
        2h 26m
        Nonstop
        SJC 8:13 PM
        Seattle - San Jose | Sat, Sep 5 | Delta Air Lines
        SJC 6:35 AM
        2h 10m
        Nonstop
        SEA 8:45 AM
        San Jose - Seattle | Tue, Sep 8 |
        $116
        13% off
        $134 $116
      • SEA 1:00 PM
        17h 25m
        1 stop
        SJC 2:00 PM
        Seattle - San Jose | Wed, Aug 12 | Normal Airline
        SJC 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        San Jose - Seattle | Fri, Aug 14 | Normal Airline
        Find more flights
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      • Cheapest nonstop
        SEA 8:43 PM
        2h 14m
        Nonstop
        SJC 10:57 PM
        Seattle - San Jose | Fri, Sep 11 | Alaska Airlines
        $75 $92
        18% off
        18% off
        $92 $75
      • SEA 9:43 PM
        2h 16m
        Nonstop
        SJC 11:59 PM
        Seattle - San Jose | Thu, Aug 13 | Alaska Airlines
        $75 $92
        18% off
        18% off
        $92 $75
      • SEA 5:47 PM
        2h 26m
        Nonstop
        SJC 8:13 PM
        Seattle - San Jose | Thu, Aug 13 | Delta Air Lines
        $76 $92
        17% off
        17% off
        $92 $76
      • SEA 5:46 PM
        2h 14m
        Nonstop
        SJC 8:00 PM
        Seattle - San Jose | Tue, Sep 29 | Alaska Airlines
        $77
        16% off
        $92 $77
      • SEA 5:46 PM
        2h 14m
        Nonstop
        SJC 8:00 PM
        Seattle - San Jose | Sat, Sep 26 | Alaska Airlines
        $77
        16% off
        $92 $77
      • SEA 5:48 PM
        2h 22m
        Nonstop
        SJC 8:10 PM
        Seattle - San Jose | Sat, Sep 26 | Delta Air Lines
        $78
        15% off
        $92 $78
      • SEA 5:47 PM
        2h 26m
        Nonstop
        SJC 8:13 PM
        Seattle - San Jose | Tue, Aug 18 | Delta Air Lines
        $78
        15% off
        $92 $78
      • SEA 8:30 PM
        2h 15m
        Nonstop
        SJC 10:45 PM
        Seattle - San Jose | Tue, Sep 29 | Delta Air Lines
        $78
        15% off
        $92 $78
      • SEA 8:30 PM
        2h 15m
        Nonstop
        SJC 10:45 PM
        Seattle - San Jose | Fri, Sep 11 | Delta Air Lines
        $78
        15% off
        $92 $78
      • SEA 8:30 PM
        2h 15m
        Nonstop
        SJC 10:45 PM
        Seattle - San Jose | Wed, Sep 23 | Delta Air Lines
        $80
        13% off
        $92 $80
      • SEA 1:00 PM
        17h 25m
        1 stop
        SJC 2:00 PM
        Seattle - San Jose | Wed, Aug 12 | Normal Airline
        Find more flights
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Popular airlines from Seattle to San Jose

You can choose from 2 airlines that fly from Seattle to San Jose, including Alaska Airlines, Delta Air Lines, Alaska Airlines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Seattle to San Jose according to previous 12 months data from Trip.com.

Trip.com price insights on flights from Seattle to San Jose

Which month has the cheapest one-way flights from Seattle to San Jose?

The average price of one-way flights from Seattle to San Jose purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Seattle to San Jose is December, with an average price of $138; while the month with the highest flight price is usually July, with an average price of up to $272.

$272
$205
$138
$71
    Cheapest
  • $201
    Aug
  • $191
    Sep
  • $144
    Oct
  • $255
    Nov
  • $138
    Dec
  • $186
    Jan
  • $228
    Feb
  • $230
    Mar
  • $247
    Apr
  • $264
    May
  • $234
    Jun
  • $272
    Jul

When is the cheapest day to fly from Seattle to San Jose during Labor Day?

Data is based on the lowest one-way price from Seattle to San Jose during Labor Day on Trip.com in the past 3 days.

Labor Day is scheduled for Sep 7. The cheapest flights from Seattle to San Jose are available on Sep 5, with fares starting at $76.

$300
$188
$76
0
  • $118
    4
    Sep
  • $76
    5
  • $89
    6
  • $300
    7
  • $143
    8
  • $109
    9

Frequently Asked Questions

  • What are the cheapest flights from Seattle to San Jose (SEA-SJC)?

    Based on Trip.com data, Alaska Airlines offers one-way fares as low as $75 on Cheapest nonstop routes (e.g. SEA to SJC on Fri, Sep 11), while Alaska Airlines offers Cheapest nonstop round-trips from $110 departing on Sat, Sep 5 and returning on Tue, Sep 8.
  • At the moment, you can catch a nonstop flight from Seattle to San Jose with the following airlines, including: Alaska Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 18 minutes to fly from Seattle (SEA) to San Jose (SJC).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to San Jose is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 89 flight per week flying from Seattle to San Jose. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS1448 (07:31) Delta Air Lines: S/M/T/W/T/F/S -- DL3736 (08:49)
  • To find best deals on flights from Seattle to San Jose, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Sep 11, with one-way flights priced at just $75.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Jose travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to San Jose is October, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Seattle to San Jose on August 29, 2026 with Delta Air Lines, with prices starting at $112.
  • You can land at any one of the following hubs in San Jose, with Seattle-Tacoma International Airport to San Jose Mineta International Airport (SEA-SJC) is by far the most common option on this route: San Jose Mineta International Airport (SJC).
  • The time difference between San Jose and Seattle is 0m.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to San Jose is $170. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Seattle to San Jose is $291. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Seattle and San Jose, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.