₩381,100 Cheap Flights from Seattle (SEA) to San José (SJO)

View ₩381,100 flight on Wed, Nov 26, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Juan Santamaria Intl. Airport (SJO)

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

Prices were available within the past 7 days and start at ₩381,100 for one-way flights and ₩675,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Nov 28 - Wed, Dec 3
SEA
Seattle
SJO
San José
₩675,400 Roundtrip, found 1 day ago
₩675,400
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Nov 28 from Seattle to San José, returning Wed, Dec 3, priced at ₩675,400 found 1 day ago
Air Canada
Tue, Nov 25 - Tue, Dec 2
SEA
Seattle
SJO
San José
₩807,500 Roundtrip, found 1 day ago
₩807,500
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Nov 25 from Seattle to San José, returning Tue, Dec 2, priced at ₩807,500 found 1 day ago
Air Canada
Sun, Nov 23 - Tue, Dec 2
SEA
Seattle
SJO
San José
₩821,600 Roundtrip, found 1 day ago
₩821,600
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Nov 23 from Seattle to San José, returning Tue, Dec 2, priced at ₩821,600 found 1 day ago
Air Canada
Sun, Nov 23 - Mon, Dec 1
SEA
Seattle
SJO
San José
₩835,700 Roundtrip, found 1 day ago
₩835,700
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Nov 23 from Seattle to San José, returning Mon, Dec 1, priced at ₩835,700 found 1 day ago
Air Canada
Tue, Nov 25 - Thu, Nov 27
SEA
Seattle
SJO
San José
₩1,003,800 Roundtrip, found 1 day ago
₩1,003,800
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Nov 25 from Seattle to San José, returning Thu, Nov 27, priced at ₩1,003,800 found 1 day ago
United
Sun, Nov 23 - Thu, Nov 27
SEA
Seattle
SJO
San José
₩1,005,900 Roundtrip, found 1 day ago
₩1,005,900
Roundtrip
found 1 day ago
Select United flight, departing Sun, Nov 23 from Seattle to San José, returning Thu, Nov 27, priced at ₩1,005,900 found 1 day ago
Air Canada
Tue, Nov 25 - Fri, Nov 28
SEA
Seattle
SJO
San José
₩1,025,000 Roundtrip, found 1 day ago
₩1,025,000
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Nov 25 from Seattle to San José, returning Fri, Nov 28, priced at ₩1,025,000 found 1 day ago
Air Canada
Sun, Nov 23 - Fri, Nov 28
SEA
Seattle
SJO
San José
₩1,039,100 Roundtrip, found 1 day ago
₩1,039,100
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Nov 23 from Seattle to San José, returning Fri, Nov 28, priced at ₩1,039,100 found 1 day ago
Alaska Airlines
Wed, Nov 26 - Sun, Nov 30
SEA
Seattle
SJO
San José
₩1,257,200 Roundtrip, found 1 day ago
₩1,257,200
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Nov 26 from Seattle to San José, returning Sun, Nov 30, priced at ₩1,257,200 found 1 day ago
American Airlines
Wed, Nov 26 - Sun, Nov 30
SEA
Seattle
SJO
San José
₩1,283,300 Roundtrip, found 1 day ago
₩1,283,300
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 26 from Seattle to San José, returning Sun, Nov 30, priced at ₩1,283,300 found 1 day ago

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

September is typically the cheapest month to fly

From ₩449,759 - ₩685,359 per traveler.

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 ₩675,400. 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 kilometers 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

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, United
Roundtrip price
₩675,400
Distance
5450 km

Book with confidence

Book with confidence

Seattle to San José Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to San José will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring San José.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to SJO flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SJO with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Seattle to San José Flights

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