SJO - SEA

$275 Find Cheap Flights from San José to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$537
Typical prices: $490-$676
Multiple Airlines
Tue 10/16Sun 10/21
SJO - SEA • 2 stops
Cheapest one-way
$275
Typical prices: $283-$414
American Airlines
Tue 10/30
SJO - SEA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between San José and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 16% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg $437 (round-trip)
Denver Intl (DEN)
Shortest trip • 9h 51m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San José to Seattle (SJO-SEA)

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

Recent round-trip flight deals from San José to Seattle

Fri, Oct 16 - Wed, Oct 21
Multiple Airlines Logo
4:35 pm - 10:35 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
19h 00m2 stops Guatemala City La Aurora New York John F Kennedy Intl
Multiple Airlines Logo
9:28 am - 8:30 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
22h 02m2 stops New York John F Kennedy Intl Guatemala City La Aurora
$537Multiple Airlines
Wed, Jan 20 - Sun, Jan 31
American Airlines Logo
6:30 am - 4:54 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 24m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 7:55 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
17h 56m1 stop Dallas/Fort Worth
$542American Airlines
Wed, Jan 20 - Mon, Jan 25
American Airlines Logo
6:30 am - 3:20 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
10h 50m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 7:55 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
17h 56m1 stop Dallas/Fort Worth
$542American Airlines
Fri, Oct 9 - Wed, Oct 21
Multiple Airlines Logo
4:35 pm - 10:35 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
19h 00m2 stops Guatemala City La Aurora New York John F Kennedy Intl
Multiple Airlines Logo
9:28 am - 8:30 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
22h 02m2 stops New York John F Kennedy Intl Guatemala City La Aurora
$546Multiple Airlines
Thu, Oct 1 - Mon, Oct 26
United Airlines Logo
8:45 am - 11:26 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 41m1 stop San Francisco
United Airlines Logo
3:35 pm - 12:22 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 47m2 stops San Francisco Houston George Bush Intcntl
$556United Airlines
Mon, Sep 28 - Thu, Oct 29
United Airlines Logo
8:45 am - 9:01 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
13h 16m1 stop San Francisco
United Airlines Logo
5:23 pm - 7:32 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 09m1 stop San Francisco
$556United Airlines
Mon, Oct 5 - Mon, Oct 12
Southwest Logo
1:30 pm - 1:00 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
12h 30m2 stops Houston Hobby Las Vegas Harry Reid Intl
Southwest Logo
6:50 pm - 12:05 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
16h 15m2 stops Phoenix Sky Harbor Intl Orlando
$656Southwest
Thu, Oct 1 - Wed, Oct 7
Southwest Logo
9:00 am - 12:35 amSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 35m2 stops Orlando Chicago Midway
Southwest Logo
6:15 am - 7:40 pmSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 25m2 stops Denver Intl Houston Hobby
$744Southwest
Tue, Dec 22 - Mon, Dec 28
Alaska Airlines Logo
1:54 am - 3:54 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
16h 00m2 stops Los Angeles Portland
Alaska Airlines Logo
9:58 pm - 12:44 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
24h 46m2 stops Portland Los Angeles
$996Alaska Airlines
Tue, Dec 22 - Mon, Dec 28
Alaska Airlines Logo
1:54 am - 2:52 pmSJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 58m2 stops Los Angeles Portland
Alaska Airlines Logo
9:20 am - 12:44 amSEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 24m1 stop Los Angeles
$996Alaska Airlines
Booking Insights

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

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

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

Tuesday is the cheapest day of the week to fly from San José to Seattle, it is 6% cheaper than the average day. Saturday is the most expensive day with flight prices 4% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • February is the cheapest month to fly from San José to Seattle at $490 round-trip.
  • June ($698) and July ($659) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 42% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from San José to Seattle the cheapest?

Flights from San José to Seattle are cheapest 17 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for San José to Seattle flights

Low season

February

Cheapest flight

$275
Best time to beat the crowds with an average 16% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from San José to Seattle

When to book flights from San José to Seattle

Are your dates flexible? Find out the best times to travel from San José 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 José to Seattle flight questions, answered

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

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

    Flights from San José to Seattle usually depart from San José Juan Santamaria Intl (SJO) and arrive at Seattle/Tacoma Intl (SEA).

  • What cabin classes can I book on flights from San José to Seattle?

    Two cabin classes are available on flights from San José to Seattle:

    • Economy Class
    • Business Class

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

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

    • Los Angeles (LAX) - 29% of one-stop connections
    • Dallas/Fort Worth (DFW) - 21% of one-stop connections
    • San Francisco (SFO) - 18% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 18% of one-stop connections

    Los Angeles (LAX) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 10% on the San José to Seattle route. Tuesday is the cheapest departure day at $553 round-trip on average, while Saturday is the most expensive at $613, a difference of $60. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 expensive are last-minute San José to Seattle flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 11% above the route average of $586. Book 17 weeks before departure for the lowest fares.

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

    A nonstop flight from San José to Seattle takes 0h 00m, covering 3,405 miles.

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

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from San José 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 $537 to $3,715. That means the highest observed fare was about 7x higher than the lowest one.

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

    One-way fares from San José to Seattle are currently in line with typical prices for this route. Average one-way fares are about $352.

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

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 9h 51m, compared with 10h 22m via Houston Hobby (HOU) and 11h 12m via Houston George Bush Intcntl (IAH).

  • What is the time difference between San José and Seattle?

    Seattle is 1 hour behind San José (Pacific Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • 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 José to Seattle flight?

    Round-trip flights from San José to Seattle range from $490 to $676, with an average of $586 over the past 12 months. Anything below $490 counts as a good deal.

Your guide to booking San José 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 Saturday. On this route, Tuesday flights average $553 - about $60 less than Saturday (10% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San José to Seattle trip for February. Fares historically average $490 round-trip in that month - typically $208 less than the most expensive month, which is June (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.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from San José to Seattle

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

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle