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$140+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SJO
Mar 4 — Mar 111
Tue 3/4
Tue 3/11
1 adult, Economy
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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 February 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$497
(American Airlines)

One-way from

$140
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$685
Provider with most accurate pricing for Seattle/Tacoma Intl-San José Juan Santamaria Intl flight deals.
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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 ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 27, 2025.

This American Airlines deal was found by Cheapflights users on 2/27. 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.
Wed 4/3012:59 amSEA - SJO
1 stop20h 05mAmerican Airlines
Tue 5/611:59 pmSJO - SEA
1 stop10h 24mAmerican Airlines
Deal found 2/27$497
This Travelocity deal was found by Cheapflights users on 2/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/139:15 pmSEA - SJO
1 stop25h 57mMultiple Airlines
Mon 4/2112:23 pmSJO - SEA
2 stops24h 12mMultiple Airlines
Deal found 2/27$506
This Delta deal was found by Cheapflights users on 2/27. 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.
Fri 5/99:30 pmSEA - SJO
1 stop14h 35mDelta
Sat 6/77:25 amSJO - SEA
1 stop14h 22mDelta
Deal found 2/27$513
This United Airlines deal was found by Cheapflights users on 2/27. 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 6/255:05 pmSEA - SJO
1 stop16h 06mUnited Airlines
Thu 7/38:45 amSJO - SEA
1 stop17h 14mUnited Airlines
Deal found 2/27$518
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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 5/198:05 amSEA - SJO
1 stop14h 41mAlaska Airlines
Mon 5/261:06 amSJO - SEA
1 stop16h 47mAlaska Airlines
Deal found 2/27$529
This Mytrip deal was found by Cheapflights users on 2/27. 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.
Fri 5/22:30 pmSEA - SJO
3 stops32h 20mSpirit Airlines
Sat 5/1012:23 pmSJO - SEA
3 stops28h 30mSpirit Airlines
Deal found 2/27$540
This Southwest deal was found by Cheapflights users on 2/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/225:10 pmSEA - SJO
2 stops18h 00mSouthwest
Tue 4/298:45 amSJO - SEA
2 stops15h 45mSouthwest
Deal found 2/27$594
This Copa Airlines deal was found by Cheapflights users on 2/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/274:58 pmSEA - SJO
2 stops18h 14mCopa Airlines
Wed 3/58:45 amSJO - SEA
2 stops15h 01mCopa Airlines
Deal found 2/27$670

Find flights from Seattle to San José within your budget

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 February 27, 2025.

Fly from

Seattle

Fly to

San José

Route

Depart

Return

Price

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Wed 4/30

12:59 am-10:04 pm

1 stop20h 05m

San José Juan Santamaria Intl

Tue 5/6

11:59 pm-9:23 am

1 stop10h 24m

$497

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sun 4/13

9:15 pm-12:12 am

1 stop25h 57m

San José Juan Santamaria Intl

Mon 4/21

12:23 pm-11:35 am

2 stops24h 12m

$506

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/9

9:30 pm-1:05 pm

1 stop14h 35m

San José Juan Santamaria Intl

Sat 6/7

7:25 am-8:47 pm

1 stop14h 22m

$513

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Wed 6/25

5:05 pm-10:11 am

1 stop16h 06m

San José Juan Santamaria Intl

Thu 7/3

8:45 am-12:59 am

1 stop17h 14m

$518

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 5/19

8:05 am-11:46 pm

1 stop14h 41m

San José Juan Santamaria Intl

Mon 5/26

1:06 am-4:53 pm

1 stop16h 47m

$529

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Fri 5/2

2:30 pm-11:50 pm

3 stops32h 20m

San José Juan Santamaria Intl

Sat 5/10

12:23 pm-3:53 pm

3 stops28h 30m

$540

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Tue 4/22

5:10 pm-12:10 pm

2 stops18h 00m

San José Juan Santamaria Intl

Tue 4/29

8:45 am-11:30 pm

2 stops15h 45m

$594

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Thu 4/10

3:35 pm-7:36 am

2 stops15h 01m

San José Juan Santamaria Intl

Tue 4/15

5:52 pm-9:43 pm

2 stops28h 51m

$675

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Sat 3/29

12:59 am-9:59 pm

1 stop20h 00m

$140

SeattleSan José

SEA - SJO

SEASJO

Seattle/Tacoma Intl

Mon 4/28

12:30 pm-11:18 am

2 stops21h 48m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/27

Showing 1-10 of 17 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 February.
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
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars

*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.

Travel insights for flights from Seattle to San José

Get recent, data-driven insights about flights from Seattle to San José including ideal travel times, pricing trends, and more.

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 February 25, 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 February 27, 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 February 27, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta 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.
Southwest
8.1
Very good
4,362 reviews

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,362 reviews
Southwest
8.1
Very good
4,362 reviews

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,717 reviews
Southwest
8.1
Very good
4,362 reviews

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,140 reviews
Southwest
8.1
Very good
4,362 reviews

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Copa Airlines
7.6
Good
1,482 reviews
Southwest
8.1
Very good
4,362 reviews

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,723 reviews
Southwest
8.1
Very good
4,362 reviews

Entertainment

7.6

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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?

    American Airlines, at $497, was found to be the cheapest airline from Seattle to San José, San José Province.Alternate airlines to your destination round-trip include Delta and United Airlines. You may be able to fly from Seattle to San José, San José Province for 27% 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 American Airlines ($140), Spirit Airlines ($146), and Alaska Airlines ($209).

  • 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 Majestic Theatre more than anywhere else. Those on a layover in Dallas interested in visiting American Airlines Center, Dos Equis Pavilion, or Majestic Theatre can do so by traveling 15.0 mi, 18.3 mi, and 16.1 mi, respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $50 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, Houston Zoo, and House of Blues Houston. Space Center Houston, Houston Zoo, and House of Blues Houston are located about 33.5 mi, 18.9 mi, and 16.2 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 $36 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.

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Top 8 airlines flying from Seattle to San José

Discover the top 8 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 February 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$255Average$360FlexibilityNo cancel feeOn-time65%
DeltaCheapest$393Average$603FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$414Average$642FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$455Average$668FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$487Average$711FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$520Average$637FlexibilityNo cancel feeOn-time63%
Copa AirlinesCheapest$538Average$805FlexibilityNo cancel feeOn-time70%
AeromexicoCheapest$728Average$982FlexibilityNo cancel feeOn-timeN/A
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