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Flights from San Jose to Seattle

Hi, I've summed up all the key info for San Jose to Seattle flights

Cheapest one-way

$ 45
Alaska Airlines Thu, Oct 29

73% below next 30d avg. ($167)

Cheapest round-trip

$ 79
Alaska Airlines Thu, Oct 29

74% below next 30d avg. ($309)

When to travel

December Cheapest month
July Peak month

Fastest flight

2h 13m 25m faster than avg. (2h 38m)

Recommended airlines

With a lowest one-way fare of $45 , travelers can expect an average price of $167 for upcoming trips, while round-trip tickets start at $79 . Flights typically take around 2h 38m , but the fastest nonstop option completes the journey in just 2h 13m minutes. There are 85 flights weekly on this route. You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA) , King County (Boeing Field) International Airport (BFI) , and Kenmore Air Harbor Seaplane Base (LKE) . Flights from San Jose Mineta International Airport to Seattle-Tacoma International Airport (SJC-SEA) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 2d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from San Jose to Seattle over the next 90 days, with one-way fares from $45 and round-trip from $79. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SJC 8:02 AM
        2h 16m
        Nonstop
        SEA 10:18 AM
        San Jose - Seattle | Thu, Oct 29 | Alaska Airlines
        SEA 1:40 PM
        2h 12m
        Nonstop
        SJC 3:52 PM
        Seattle - San Jose | Fri, Oct 30 | Alaska Airlines
        $79 $271
        71% off
        71% off
        $271 $79
      • SJC 6:17 AM
        2h 15m
        Nonstop
        SEA 8:32 AM
        San Jose - Seattle | Fri, Oct 2 | Alaska Airlines
        SEA 8:48 PM
        2h 11m
        Nonstop
        SJC 10:59 PM
        Seattle - San Jose | Sun, Oct 4 | Alaska Airlines
        $88 $271
        68% off
        68% off
        $271 $88
      • SJC 7:31 AM
        2h 29m
        Nonstop
        SEA 10:00 AM
        San Jose - Seattle | Thu, Oct 29 | Delta Air Lines
        SEA 1:40 PM
        2h 12m
        Nonstop
        SJC 3:52 PM
        Seattle - San Jose | Fri, Oct 30 | Alaska Airlines
        $89 $271
        67% off
        67% off
        $271 $89
      • SJC 8:02 AM
        2h 16m
        Nonstop
        SEA 10:18 AM
        San Jose - Seattle | Fri, Oct 23 | Alaska Airlines
        SEA 1:40 PM
        2h 12m
        Nonstop
        SJC 3:52 PM
        Seattle - San Jose | Fri, Oct 30 | Alaska Airlines
        $90
        67% off
        $271 $90
      • SJC 5:42 PM
        2h 26m
        Nonstop
        SEA 8:08 PM
        San Jose - Seattle | Sun, Oct 11 | Delta Air Lines
        SEA 11:30 AM
        2h 27m
        Nonstop
        SJC 1:57 PM
        Seattle - San Jose | Thu, Oct 15 | Delta Air Lines
        $90
        67% off
        $271 $90
      • SJC 7:31 AM
        2h 29m
        Nonstop
        SEA 10:00 AM
        San Jose - Seattle | Mon, Oct 19 | Delta Air Lines
        SEA 11:30 AM
        2h 27m
        Nonstop
        SJC 1:57 PM
        Seattle - San Jose | Wed, Oct 21 | Delta Air Lines
        $90
        67% off
        $271 $90
      • SJC 6:17 AM
        2h 15m
        Nonstop
        SEA 8:32 AM
        San Jose - Seattle | Sat, Oct 3 | Alaska Airlines
        SEA 7:18 AM
        2h 23m
        Nonstop
        SJC 9:41 AM
        Seattle - San Jose | Mon, Oct 5 | Alaska Airlines
        $225
        17% off
        $271 $225
      • SJC 6:17 AM
        2h 20m
        Nonstop
        SEA 8:37 AM
        San Jose - Seattle | Fri, Oct 16 | Alaska Airlines
        SEA 7:18 AM
        2h 23m
        Nonstop
        SJC 9:41 AM
        Seattle - San Jose | Mon, Oct 19 | Alaska Airlines
        $226
        17% off
        $271 $226
      • SJC 7:31 AM
        2h 29m
        Nonstop
        SEA 10:00 AM
        San Jose - Seattle | Fri, Oct 16 | Delta Air Lines
        SEA 8:25 AM
        2h 25m
        Nonstop
        SJC 10:50 AM
        Seattle - San Jose | Mon, Oct 19 | Delta Air Lines
        $238
        12% off
        $271 $238
      • SJC 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        San Jose - Seattle | Sun, Sep 13 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        SJC 4:00 PM
        Seattle - San Jose | Tue, Sep 15 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SJC 8:02 AM
        2h 16m
        Nonstop
        SEA 10:18 AM
        San Jose - Seattle | Thu, Oct 29 | Alaska Airlines
        $45 $54
        17% off
        17% off
        $54 $45
      • SJC 7:43 PM
        2h 22m
        Nonstop
        SEA 10:05 PM
        San Jose - Seattle | Tue, Nov 3 | Alaska Airlines
        $45 $54
        17% off
        17% off
        $54 $45
      • SJC 6:17 AM
        2h 20m
        Nonstop
        SEA 8:37 AM
        San Jose - Seattle | Sun, Oct 11 | Alaska Airlines
        $45 $54
        17% off
        17% off
        $54 $45
      • SJC 6:17 AM
        2h 23m
        Nonstop
        SEA 8:40 AM
        San Jose - Seattle | Thu, Nov 5 | Alaska Airlines
        $45
        17% off
        $54 $45
      • SJC 2:13 PM
        2h 15m
        Nonstop
        SEA 4:28 PM
        San Jose - Seattle | Thu, Oct 1 | Alaska Airlines
        $45
        17% off
        $54 $45
      • SJC 6:17 AM
        2h 20m
        Nonstop
        SEA 8:37 AM
        San Jose - Seattle | Sun, Oct 18 | Alaska Airlines
        $45
        17% off
        $54 $45
      • SJC 4:48 PM
        2h 13m
        Nonstop
        SEA 7:01 PM
        San Jose - Seattle | Wed, Oct 21 | Alaska Airlines
        $45
        17% off
        $54 $45
      • SJC 2:37 PM
        2h 22m
        Nonstop
        SEA 4:59 PM
        San Jose - Seattle | Wed, Oct 21 | Delta Air Lines
        $46
        15% off
        $54 $46
      • SJC 7:31 AM
        2h 29m
        Nonstop
        SEA 10:00 AM
        San Jose - Seattle | Sun, Oct 18 | Delta Air Lines
        $46
        15% off
        $54 $46
      • SJC 2:37 PM
        2h 22m
        Nonstop
        SEA 4:59 PM
        San Jose - Seattle | Tue, Oct 6 | Delta Air Lines
        $47
        13% off
        $54 $47
      • SJC 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        San Jose - Seattle | Sun, Sep 13 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from San Jose to Seattle operate an average of 40 times per day over the past 7 days, with a 81.7% on-time departure rate and a 93.9% on-time arrival rate.

Which airlines are the most popular for San Jose to Seattle flights?

Direct flights available! Find 2 airlines fly direct from San Jose to Seattle, including Alaska Airlines, Delta Air Lines, Alaska Airlines offers the cheapest non stop flights.
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from San Jose to Seattle according to previous 12 months data from Trip.com.

Flight Info | San Jose to Seattle

The distance between San Jose and Seattle is approximately 1,123.19 km. It takes around 2 hours 38 minutes on average to fly from San Jose to Seattle. Based on Trip.com's data travel demand peaks in July. The off-season for travel is December.

Cheapest one-way flight price $45
Cheapest round-trip ticket price $79
Off-season for travel December
Peak season for travel July
Flight distance 1,123.19 km
Average flight time 2 hours 38 minutes
Popular airline Alaska Airlines
Frequency ～59/week
Flight statistics for the San Jose–Seattle route are based on aggregated booking data from Trip.com over the past 12 months.

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

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

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

Based on Trip.com’s data, the cheapest month for flights from San Jose to Seattle is September, with an average price of $139; while the month with the highest flight price is usually June, with an average price of up to $262.

$262
$201
$139
$78
  • $139
    Sep
  • $190
    Oct
  • $199
    Nov
  • $211
    Dec
  • $167
    Jan
  • $185
    Feb
  • $185
    Mar
  • $170
    Apr
  • $235
    May
  • $262
    Jun
  • $216
    Jul
  • $170
    Aug

What is the cheapest month for round-trip flights from San Jose to Seattle?

Average price of round-trip flights from San Jose to Seattle purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from San Jose to Seattle are found during February, with an average price of $115. Conversely, the highest prices are found during April, with an average price of up to $505.

$505
$310
$115
0
    Cheapest
  • $198
    Sep
  • $162
    Oct
  • $151
    Nov
  • $386
    Dec
  • $278
    Jan
  • $115
    Feb
  • $142
    Mar
  • $505
    Apr
  • $318
    May
  • $439
    Jun
  • $428
    Jul
  • $283
    Aug

Frequently Asked Questions

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

    Based on Trip.com data, Alaska Airlines offers one-way fares as low as $45 on Cheapest nonstop routes (e.g. SJC to SEA on Thu, Oct 29), while Alaska Airlines offers Cheapest nonstop round-trips from $79 departing on Thu, Oct 29 and returning on Fri, Oct 30.
  • At the moment, you can catch a nonstop flight from San Jose to Seattle 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 38 minutes to fly from San Jose (SJC) to Seattle (SEA).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Jose to Seattle 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 85 flight per week flying from San Jose to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS762 (06:20)
  • To find best deals on flights from San Jose to Seattle, 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 Thu, Oct 29, with one-way flights priced at just $45.
    · 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 Seattle travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Jose to Seattle is December, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from San Jose to Seattle on September 22, 2026 with Delta Air Lines, with prices starting at $71.
  • You can arrive at any of the following airports in Seattle: Seattle-Tacoma International Airport (SEA), King County (Boeing Field) International Airport (BFI), and Kenmore Air Harbor Seaplane Base (LKE). Flights from San Jose Mineta International Airport to Seattle-Tacoma International Airport (SJC-SEA) are by far the most popular option for this route.
  • The time difference between Seattle and San Jose 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 San Jose to Seattle is $167. 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 San Jose to Seattle is $309. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter San Jose and Seattle, 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.

Explore More Popular Flights

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

Book with no extra fees

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.