S$295 Cheap Flights from Seattle to San José

View S$295 flight on Fri, 6 Feb, 2026Opens in a new window

Popular airlines from Seattle to San José (SJO-Juan Santamaría Intl.)

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

Prices were available within the past 7 days and start at S$295 for one-way flights and S$664 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$664 Return, found 9 hours ago
S$664
Return
found 9 hours ago
Select Air Canada flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$664 found 9 hours ago
United
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$716 Return, found 9 hours ago
S$716
Return
found 9 hours ago
Select United flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$716 found 9 hours ago
American Airlines
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$720 Return, found 9 hours ago
S$720
Return
found 9 hours ago
Select American Airlines flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$720 found 9 hours ago
Air Canada
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$722 Return, found 9 hours ago
S$722
Return
found 9 hours ago
Select Air Canada flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$722 found 9 hours ago
American Airlines
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$727 Return, found 9 hours ago
S$727
Return
found 9 hours ago
Select American Airlines flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$727 found 9 hours ago
Air Canada
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$729 Return, found 9 hours ago
S$729
Return
found 9 hours ago
Select Air Canada flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$729 found 9 hours ago
Delta
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$734 Return, found 9 hours ago
S$734
Return
found 9 hours ago
Select Delta flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$734 found 9 hours ago
Air Canada
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$747 Return, found 9 hours ago
S$747
Return
found 9 hours ago
Select Air Canada flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$747 found 9 hours ago
Alaska Airlines
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$752 Return, found 9 hours ago
S$752
Return
found 9 hours ago
Select Alaska Airlines flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$752 found 9 hours ago
United
Fri, 6 Feb - Sun, 15 Feb
SEA
Seattle
SJO
San José
S$770 Return, found 9 hours ago
S$770
Return
found 9 hours ago
Select United flight, departing Fri, 6 Feb from Seattle to San José, returning Sun, 15 Feb, priced at S$770 found 9 hours ago

Find the cheapest month to fly from Seattle (SEA) to San José (SJO)

October is typically the cheapest month to fly

From S$415 - S$588 per traveller.

Frequently asked questions

How much is a flight from Sea-Tac Airport to Juan Santamaria Intl. Airport?
Pack your bags, because round-trip flights from Sea-Tac Airport to Juan Santamaria Intl. Airport start from S$664. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SEA to SJO?
This can vary between air carriers, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from SEA to SJO that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seattle - Tacoma Intl. Airport (SEA) to Juan Santamaria Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Juan Santamaria Intl. Airport (SJO)?
With around 5,500 kilometres separating Seattle - Tacoma Intl. Airport (SEA) and Juan Santamaria Intl. Airport, your flight will be a long one. Pack wisely and make your journey more comfortable. Little things like an eye mask and a good neck pillow should be in your hand luggage.
Which airlines fly direct from Sea-Tac Airport to SJO?
There are no direct flights, so you'll have to make at least one stop between SEA and Juan Santamaria Intl. Airport. Use the layover time to stretch your legs and take a break.
Are Sea-Tac Airport to SJO flight tickets cheaper when they're purchased at the last minute?
Tickets from SEA to Juan Santamaria Intl. Airport (SJO) are available up to 12 months prior to departure on Expedia. And although you may occasionally score great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid landing the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, United
Return price
S$664
Distance
5450 km

Book with confidence

Perfect flights from Seattle to San José

Your Journey from Seattle to San José

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Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air Canada, American Airlines, United, Delta, Alaska Airlines. Our selection of flights from Seattle - Tacoma Intl. to Juan Santamaría Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

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Experience the joy of finding cheap flights from Seattle - Tacoma Intl. to Juan Santamaría Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$295 and roundtrip prices from S$664*.
 

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Experience the Vibrant San José

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Book Your Flight from Seattle to San José with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Seattle to San José

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