SEA - SJO

C$ 234 Find Cheap Flights from Seattle to San José

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to San José departing on 6/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San José

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to San José, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to San José, as well as popular online travel agencies
Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
C$ 551
Overall average: C$ 947
United Airlines
Fri 23/1Fri 30/1
SEA - SJO • 1 stop
Cheapest one-way flights
C$ 234
Typical prices: C$ 321-C$ 542
American Airlines
Fri 6/2
SEA - SJO • 1 stop
When to travel
October
Cheapest • 21% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to San José!
Flight Deals
Booking Insights
Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to San José that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to San José

Fri, 23 Jan - Fri, 30 Jan
United Airlines Logo
7:30 p.m. - 8:32 a.m.
SEA
-
SJO
11h 02m1 stop
United Airlines Logo
8:45 a.m. - 9:12 p.m.
SJO
-
SEA
14h 27m2 stops
C$ 551United Airlines
Sat, 28 Feb - Sat, 7 Mar
United Airlines Logo
11:59 p.m. - 12:56 p.m.
SEA
-
SJO
10h 57m1 stop
United Airlines Logo
6:40 a.m. - 6:30 p.m.
SJO
-
SEA
13h 50m2 stops
C$ 558United Airlines
Sun, 22 Feb - Sat, 14 Mar
Delta Logo
6:05 a.m. - 10:02 p.m.
SEA
-
SJO
13h 57m1 stop
Delta Logo
7:25 a.m. - 6:21 p.m.
SJO
-
SEA
11h 56m1 stop
C$ 559Delta
Wed, 18 Feb - Wed, 25 Feb
United Airlines Logo
7:29 p.m. - 8:32 a.m.
SEA
-
SJO
11h 03m1 stop
United Airlines Logo
9:40 a.m. - 6:26 p.m.
SJO
-
SEA
10h 46m1 stop
C$ 566United Airlines
Sun, 1 Mar - Thu, 5 Mar
United Airlines Logo
11:59 p.m. - 12:56 p.m.
SEA
-
SJO
10h 57m1 stop
United Airlines Logo
9:40 a.m. - 6:32 p.m.
SJO
-
SEA
10h 52m1 stop
C$ 570United Airlines
Sat, 10 Jan - Sat, 17 Jan
United Airlines Logo
5:10 p.m. - 8:32 a.m.
SEA
-
SJO
13h 22m1 stop
United Airlines Logo
9:40 a.m. - 6:28 p.m.
SJO
-
SEA
10h 48m1 stop
C$ 574United Airlines
Tue, 3 Mar - Tue, 10 Mar
United Airlines Logo
5:00 a.m. - 8:39 p.m.
SEA
-
SJO
13h 39m2 stops
United Airlines Logo
8:40 a.m. - 6:50 p.m.
SJO
-
SEA
11h 10m1 stop
C$ 576United Airlines
Sun, 15 Feb - Tue, 17 Feb
Alaska Airlines Logo
9:14 p.m. - 12:07 a.m.
SEA
-
SJO
24h 53m1 stop
Alaska Airlines Logo
1:27 a.m. - 11:48 a.m.
SJO
-
SEA
12h 21m1 stop
C$ 595Alaska Airlines
Wed, 4 Feb - Tue, 17 Feb
United Airlines Logo
7:00 a.m. - 8:39 p.m.
SEA
-
SJO
11h 39m1 stop
United Airlines Logo
9:40 a.m. - 12:59 a.m.
SJO
-
SEA
17h 19m1 stop
C$ 606United Airlines
Sun, 15 Feb - Tue, 17 Feb
Alaska Airlines Logo
8:14 p.m. - 12:07 a.m.
SEA
-
SJO
25h 53m1 stop
Alaska Airlines Logo
1:27 a.m. - 9:37 a.m.
SJO
-
SEA
34h 10m2 stops
C$ 609Alaska Airlines
Booking Insights

KAYAK's insights & trends for Seattle to San José flights

Get data-powered insights and trends into flights from Seattle to San José to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to San José, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to San José is October, where tickets cost C$ 685 (return) on average. On the other hand, the most expensive months are December and April, where the average cost of round-trip tickets is C$ 1,060 and C$ 1,046 respectively.

How far in advance should I book a flight from Seattle to San José?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seattle to San José, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seattle to San José, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Find deals

Good to know

Low seasonSeptember
Cheapest flightC$ 234
Best time to beat the crowds (21% less expensive on average)
Most popular time to fly (20% more expensive on average)
Flight 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
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to San José

  • 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.

  • What is the cheapest flight from Seattle to San José?

    In the last 3 days, the lowest price for a flight from Seattle to San José was C$ 234 for a one-way ticket and C$ 551 for a round-trip.

  • Which aircraft models fly most regularly from Seattle to San José?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Seattle to San José?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to San José.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to San José?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to San José?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San José with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to San José?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San José from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to San José

  • 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.

Everything you need to know for your flight from Seattle to San José

Information on your arrival and departure airports

Seattle (SEA)
San José (SJO)