SEA - SJO

C$ 346 Find Cheap Flights from Seattle to San José – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 799
Typical prices: C$ 699-C$ 1,103
Multiple Airlines
Thu 27/9Mon 1/10
SEA - SJO • 2 stops
Cheapest one-way flights
C$ 346
Typical prices: C$ 323-C$ 504
Southwest
Sun 28/10
SEA - SJO • 2 stops
Direct flights
Not available
There are currently no direct flights between Seattle and San José. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
24 weeks
in advance
Our data shows that travellers who book at least 24 weeks in advance save around 24% compared to booking last minute.
Insights
Insights
When to travel
October
Cheapest • 22% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Chicago O'Hare Intl (ORD)
Cheapest • Avg C$ 497 (round-trip)
Houston Hobby (HOU)
Shortest trip • 10h 28m (one-way)
Insights
Insights
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We hope you enjoy your trip to San José!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent round-trip flight deals from Seattle to San José

Sun, 27 Sep - Thu, 1 Oct
Multiple Airlines Logo
9:27 a.m. - 8:30 a.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
22h 03m2 stops New York John F Kennedy Intl Guatemala City La Aurora
Multiple Airlines Logo
7:45 a.m. - 9:54 p.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 09m1 stop Miami
C$ 799Multiple Airlines
Sun, 27 Sep - Thu, 1 Oct
Multiple Airlines Logo
9:27 a.m. - 8:30 a.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
22h 03m2 stops New York John F Kennedy Intl Guatemala City La Aurora
Multiple Airlines Logo
7:45 a.m. - 9:54 p.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
15h 09m1 stop Miami
C$ 800Multiple Airlines
Sun, 21 Feb - Sun, 28 Feb
Southwest Logo
6:20 p.m. - 1:45 p.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
17h 25m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
1:05 p.m. - 1:35 a.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
14h 30m2 stops Houston Hobby Las Vegas Harry Reid Intl
C$ 802Southwest
Mon, 19 Oct - Tue, 27 Oct
Southwest Logo
5:50 a.m. - 7:40 p.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 50m2 stops Denver Intl Houston Hobby
Southwest Logo
1:00 p.m. - 11:55 p.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 55m2 stops Houston Hobby Phoenix Sky Harbor Intl
C$ 814Southwest
Wed, 21 Oct - Wed, 28 Oct
Southwest Logo
5:35 a.m. - 7:40 p.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
13h 05m2 stops Phoenix Sky Harbor Intl Houston Hobby
Southwest Logo
1:00 p.m. - 11:55 p.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 55m2 stops Houston Hobby Phoenix Sky Harbor Intl
C$ 822Southwest
Wed, 20 Jan - Sat, 30 Jan
Delta Logo
7:50 a.m. - 10:05 p.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
12h 15m1 stop Atlanta Hartsfield-Jackson
Delta Logo
3:55 p.m. - 10:26 a.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
20h 31m1 stop Atlanta Hartsfield-Jackson
C$ 831Delta
Sat, 5 Dec - Fri, 11 Dec
Delta Logo
6:00 a.m. - 10:17 p.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
14h 17m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:37 p.m. - 12:01 a.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 24m1 stop Atlanta Hartsfield-Jackson
C$ 834Delta
Mon, 28 Dec - Thu, 28 Jan
Delta Logo
10:35 a.m. - 7:05 a.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
18h 30m1 stop Los Angeles
Delta Logo
7:05 a.m. - 12:09 a.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
19h 04m1 stop Atlanta Hartsfield-Jackson
C$ 846Delta
Tue, 13 Oct - Sat, 24 Oct
Delta Logo
3:55 p.m. - 12:00 p.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
19h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:25 p.m. - 10:03 a.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
21h 38m1 stop Atlanta Hartsfield-Jackson
C$ 849Delta
Sat, 20 Feb - Sun, 28 Feb
American Airlines Logo
12:32 a.m. - 1:46 p.m.SEA  Seattle/Tacoma Intl-SJO San José Juan Santamaria Intl
11h 14m1 stop Dallas/Fort Worth
American Airlines Logo
12:35 a.m. - 9:42 a.m.SJO  San José Juan Santamaria Intl-SEA Seattle/Tacoma Intl
11h 07m1 stop Dallas/Fort Worth
C$ 856American Airlines
Booking Insights

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

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

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

Thursday is the cheapest day of the week to fly from Seattle to San José and is 9% cheaper than the average day. Friday is the most expensive day with flight prices 9% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • October is the cheapest month to fly from Seattle to San José at C$ 695 round-trip.
  • March (C$ 1,047) and July (C$ 1,042) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 50% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to San José the cheapest?

Flights from Seattle to San José are cheapest 24 weeks before departure. Booking in this window typically costs about 24% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Seattle to San José flights

Low season

October

Cheapest flight

C$ 346
Best time to beat the crowds (22% less expensive on average)
Most popular time to fly (18% more expensive on average)
Flights from Seattle to San José

When to book flights from Seattle to San José

Are your dates flexible? Find out the best times to travel from Seattle to San José based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to San José flight questions, answered

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

  • Which airline has suitable pet policies for Seattle to San José flights?

    Spirit Airlines ensures a favorable pet policy for flights from Seattle-Tacoma International Airport (SEA) to San Jose International Airport (SJO). One pet per person is permitted in the cabin by Spirit Airlines. The pet and carrier weight should not exceed 20 lb. Acceptable pets include small dogs, household birds cats, and domestic rabbits.

  • Which layover options are available for passengers flying from Seattle to San José?

    Passengers will have several layover options for this route. United Airlines, Avianca, has a layover at San Francisco International Airport (SFO) and El Salvador International Airport (SAL). United Airlines has its layover at George Bush Intercontinental Airport (IAH), and American Airlines at Dallas Fort Worth International Airport (DFW).

  • What public transport options are from San José International Airport to downtown San José?

    San José International Airport (SJC) offers a variety of transportation options for getting into the city. The most convenient choice, VTA Airport Flyer, offers a bus service outside the terminal building. It operates straightforward service to the central area of San Jose, a journey that lasts around 20 minutes. One can find additional shuttle vans and taxis near baggage claim.

  • Can I get rental cars from San José International Airport?

    Yes, hiring a vehicle at San Jose's international airport is feasible. The rental car companies positioned at the airport comprise Avis, Budget, Dollar, Enterprise, Fox, Hertz, National, and Thrifty. All rental car businesses are situated on the ground floor of the terminal, except Fox, which is on the upper floor. The vehicle rentals vary, including economy to high-end cars, sport utility vehicles, and minivans.

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

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

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

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

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

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

    • Dallas/Fort Worth (DFW) – 37% of one-stop connections
    • Los Angeles (LAX) – 20% of one-stop connections
    • Houston George Bush Intcntl (IAH) – 19% of one-stop connections
    • San Francisco (SFO) – 14% of one-stop connections

    Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 17% on the Seattle to San José route. Thursday is the cheapest departure day at C$ 810 round-trip on average, while Friday is the most expensive at C$ 970, a difference of C$ 160. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Which popular places can I visit in San José?

    Some of the most popular sights in San José are Estadio Nacional de Costa Rica, Barrio Amón, and Parque Nacional. These are among the most viewed places in San José on KAYAK.

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

    Last-minute fares on this route – booked within 2 weeks of departure – run 3% above the route average of C$ 886. Book 24 weeks before departure for the lowest fares.

  • How long does a flight from Seattle to San José take?

    A direct flight from Seattle to San José takes 0h 00m, covering 8,818 km.

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

    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 Seattle to San José 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 C$ 799 to C$ 2,871. That means the highest observed fare was about 4x higher than the lowest one.

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

    One-way fares from Seattle to San José are currently in line with typical prices for this route. Average one-way fares are about C$ 415.

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

    Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 10h 28m, compared with 10h 43m via Houston George Bush Intcntl (IAH) and 10h 53m via Dallas/Fort Worth (DFW).

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

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

  • What car rental options are available at San José Juan Santamaria Intl Airport (SJO)?

    San José Juan Santamaria Intl Airport (SJO) hosts 5 major car rental companies, with daily rates starting from around C$ 1 for economy cars. Top options include:
    • Budget
    • Avis
    • Priceless
    • Routes Car & Truck Rentals
    • Payless

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

    Round-trip flights from Seattle to San José range from C$ 699 to C$ 1,103, with an average of C$ 886 over the past 12 months. Anything below C$ 699 counts as a good deal.

Your guide to booking Seattle to San José 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 Thursday departure instead of Friday. On this route, Thursday flights average C$ 810 – about C$ 160 less than Friday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 24% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to San José trip for October. Fares historically average C$ 695 round-trip in that month – typically C$ 353 less than the most expensive month, which is March (based on the last 12 months).
  • Seattle-Tacoma International Airport (SEA) is located at Washington's SeaTac City, approximately 12 miles south of Seattle's central area. It is a major hub for Alaska Airlines, American Airlines, Delta Air Lines, and United Airlines. Flights departing from Seattle bound for San José can utilize Terminal A, which Alaska Airlines, American Airlines, and United Airlines utilize, or Terminal C, which Delta Air Lines operates.
  • Alaska Airlines is a suitable family-friendly airline for travel from Seattle to San José. These consist of onboard entertainment, free pillows and blankets, additional snacks, specially prepared dishes, and price cuts for kids.
  • Most airlines, including Spirit Airlines, provide special needs assistance to passengers, including escort assistance, in boarding and deplaning. Wheelchair assistance is also available free of charge.
  • When traveling from Seattle to San José, a business class ticket offers many advantages that can make the journey more enjoyable. The main advantages of a business class ticket on Copa Airlines include access to more generous seating and legroom, tailored service and courtesy from the flight attendants, courtesy meals and beverages, and more luggage allowances.
  • Spirit Airlines flights departing from Seattle-Tacoma International Airport (SEA) to San Jose International Airport have favorable carry-on policies. Passengers can carry one individual item like a purse. They can as well carry one average carry-on bag for their flight with no additional fee. The weight of the bags should be at most 40 lb.

More options for your flight from Seattle to San José

Complete your trip to San José with a hotel stay or car rental

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