HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$110+ Cheap flights from Seattle (SEA) to San José (SJO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to San José with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San José Juan Santamaria Intl are usually found in May or October, booked 36 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Seattle to San José

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San José (SJO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(Mytrip)

One-way from

$110
(FlightHub)

Popular in

December

Cheapest in

May

Average price

$660
Provider with most accurate pricing for Seattle/Tacoma Intl-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San José Juan Santamaria Intl flights.
Search Deals
From Seattle/Tacoma Intl to San José Juan Santamaria Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Seattle to San José

Cheapest flights from Seattle to San José
Explore the most affordable flight options available from Seattle to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2912:30 pmSEA - SJO
2 stops21h 48mSpirit Airlines
Mon 5/512:55 amSJO - SEA
3 stops38h 30mSpirit Airlines
Deal found 4/1$382
This Trip.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/264:17 pmSEA - SJO
2 stops14h 11mMultiple Airlines
Sun 5/112:48 pmSJO - SEA
2 stops29h 44mMultiple Airlines
Deal found 4/1$395
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/225:22 amSEA - SJO
1 stop15h 42mAmerican Airlines
Tue 4/296:05 amSJO - SEA
1 stop18h 34mAmerican Airlines
Deal found 3/31$419
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:30 amSEA - SJO
2 stops17h 22mAlaska Airlines
Mon 5/191:06 amSJO - SEA
2 stops14h 20mAlaska Airlines
Deal found 3/31$423
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/711:59 pmSEA - SJO
1 stop18h 38mUnited Airlines
Thu 5/157:55 amSJO - SEA
2 stops18h 04mUnited Airlines
Deal found 4/1$491
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/35:58 pmSEA - SJO
1 stop11h 12mDelta
Sat 5/177:25 amSJO - SEA
1 stop14h 24mDelta
Deal found 4/1$493

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to San José that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
Use the filters below to find and compare flights from Seattle to San José that are best for you.

Fly from

Seattle

Fly to

San José

Route

Depart

Return

Price

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 4/29

12:30 pm-11:18 am

2 stops21h 48m

San José Juan Santamaria Intl

Mon 5/5

12:55 am-2:25 pm

3 stops38h 30m

$382

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sat 4/26

4:17 pm-7:28 am

2 stops14h 11m

San José Juan Santamaria Intl

Sun 5/11

2:48 pm-7:32 pm

2 stops29h 44m

$395

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 4/22

5:22 am-10:04 pm

1 stop15h 42m

San José Juan Santamaria Intl

Tue 4/29

6:05 am-11:39 pm

1 stop18h 34m

$419

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 5/12

5:30 am-11:52 pm

2 stops17h 22m

San José Juan Santamaria Intl

Mon 5/19

1:06 am-2:26 pm

2 stops14h 20m

$423

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Wed 5/7

11:59 pm-7:37 pm

1 stop18h 38m

San José Juan Santamaria Intl

Thu 5/15

7:55 am-12:59 am

2 stops18h 04m

$491

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sat 5/3

5:58 pm-6:10 am

1 stop11h 12m

San José Juan Santamaria Intl

Sat 5/17

7:25 am-8:49 pm

1 stop14h 24m

$493

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 4/22

3:24 pm-1:21 pm

2 stops20h 57m

San José Juan Santamaria Intl

Tue 4/29

4:10 am-12:58 am

2 stops21h 48m

$585

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 4/29

12:30 pm-11:18 am

2 stops21h 48m

$110

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 4/28

11:30 pm-11:55 am

1 stop11h 25m

$193

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Wed 6/11

5:32 am-10:04 pm

1 stop15h 32m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 14 results
1
2

Compare providers for flights from Seattle to San José

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to San José in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-San José, San José Province flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-San José, San José Province flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-San José, San José Province flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-San José, San José Province flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-San José, San José Province flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to San José

Have a flexible travel schedule? Discover the best time to fly to San José from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

How far ahead should I book a flight from Seattle to San José, San José Province?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to San José. Price data was last updated on March 28, 2025.

The best time to book flights from Seattle to San José, San José Province is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from Seattle to San José, San José Province (average of $398). Flying from Seattle to San José, San José Province in March is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to SJO?

Find hourly flight availability from Seattle to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

It’s typically best to fly out from Seattle to San José, San José Province at noon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Seattle to San José, San José Province?

Use this chart to determine the cheapest time to fly round-trip from Seattle to San José. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to San José, San José Province flight should consider departing on Monday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San José by month

Plan your trip to San José by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San José, San José Province ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit San José, San José Province when rainfall is around 0.0 in.

Temperature in San José by month

Plan your trip to San José by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San José, San José Province, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing San José

Get insights into the airlines that provide service to San José. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San José. Reviews last updated April 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Seattle to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Avianca
6.7
Okay
2,302 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to San José. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Seattle to San José, San José Province round-trip?

    Spirit Airlines, at $382, was found to be the cheapest airline from Seattle to San José, San José Province.Alternate airlines to your destination round-trip include American Airlines and Alaska Airlines. You may be able to fly from Seattle to San José, San José Province for 43% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Seattle to San José, San José Province one-way?

    The cheapest airlines for a one-way flight from Seattle to San José, San José Province are Spirit Airlines ($110), Delta ($193), and American Airlines ($200).

  • Where are the most common layover locations when flying from Seattle to San José, San José Province?

    Most of the time, Seattle to San José, San José Province flights that have layovers will stop in Dallas. Houston sees the second most layovers for non-direct flights flying from Seattle to San José, San José Province.

  • What are some popular things to do or see while on a layover in Dallas?

    Dallas travelers tend to visit American Airlines Center, Dos Equis Pavilion, and Dallas World Aquarium more than anywhere else. Those on a layover in Dallas interested in visiting American Airlines Center, Dos Equis Pavilion, or Dallas World Aquarium can do so by traveling 15.0 mi, 18.3 mi, and 15.5 mi, respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $58 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Houston?

    Most Houston visitors opt to spend their time at Space Center Houston, House of Blues Houston, and Houston Zoo. Space Center Houston, House of Blues Houston, and Houston Zoo are located about 33.5 mi, 16.2 mi, and 18.9 mi, respectively from Houston George Bush Intcntl. Those looking to explore during their layover in Houston can rent a car from Houston George Bush Intcntl for about $40 per day.

  • Where are the least popular layover locations for Seattle to San José, San José Province flights?

    Seattle to San José, San José Province flights have a layover in Miami least often. Los Angeles sees the next fewest layovers on Seattle to San José, San José Province flights.

  • Can I find deals for flights from Seattle to San José that include hotel bookings?

    Yes. In addition to deals on Seattle to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to San José.

  • Can I find deals for business class flights from Seattle to San José?

    Yes. Cheapflights offers flight deals from Seattle to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to San José, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Seattle to San José, San José Province (average of $398). Flying from Seattle to San José, San José Province in March is currently the most expensive (average of $555). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Manuel Antonio
Heredia
Alajuela
Monteverde
Jacó

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 9 airlines flying from Seattle to San José

Discover the top 9 airlines that operate flights from Seattle to San José. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$184Average$192FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$254Average$390FlexibilityNo cancel feeOn-time65%
DeltaCheapest$394Average$614FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$450Average$658FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$455Average$662FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$490Average$707FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$521Average$637FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$538Average$805FlexibilityNo cancel feeOn-time70%
AeromexicoCheapest$709Average$912FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.