₩216,900 Cheap Flights from Seattle (SEA) to San José (SJO)

View ₩216,900 flight on Tue, Sep 2, 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 ₩216,900 for one-way flights and ₩644,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Aug 8 - Fri, Aug 15
SEA
Seattle
SJO
San José
₩644,100 Roundtrip, found 20 hours ago
₩644,100
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Fri, Aug 8 from Seattle to San José, returning Fri, Aug 15, priced at ₩644,100 found 20 hours ago
Alaska Airlines
Fri, Aug 8 - Fri, Aug 15
SEA
Seattle
SJO
San José
₩651,800 Roundtrip, found 20 hours ago
₩651,800
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Fri, Aug 8 from Seattle to San José, returning Fri, Aug 15, priced at ₩651,800 found 20 hours ago
Alaska Airlines
Fri, Aug 1 - Thu, Aug 7
SEA
Seattle
SJO
San José
₩663,400 Roundtrip, found 5 days ago
₩663,400
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Aug 1 from Seattle to San José, returning Thu, Aug 7, priced at ₩663,400 found 5 days ago
Alaska Airlines
Fri, Aug 8 - Fri, Aug 15
SEA
Seattle
SJO
San José
₩686,000 Roundtrip, found 20 hours ago
₩686,000
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Fri, Aug 8 from Seattle to San José, returning Fri, Aug 15, priced at ₩686,000 found 20 hours ago
Alaska Airlines
Fri, Aug 1 - Thu, Aug 7
SEA
Seattle
SJO
San José
₩698,000 Roundtrip, found 5 days ago
₩698,000
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Aug 1 from Seattle to San José, returning Thu, Aug 7, priced at ₩698,000 found 5 days ago
Alaska Airlines
Fri, Aug 8 - Fri, Aug 15
SEA
Seattle
SJO
San José
₩701,900 Roundtrip, found 20 hours ago
₩701,900
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Fri, Aug 8 from Seattle to San José, returning Fri, Aug 15, priced at ₩701,900 found 20 hours ago
United
Fri, Aug 1 - Thu, Aug 7
SEA
Seattle
SJO
San José
₩702,900 Roundtrip, found 5 days ago
₩702,900
Roundtrip
found 5 days ago
Select United flight, departing Fri, Aug 1 from Seattle to San José, returning Thu, Aug 7, priced at ₩702,900 found 5 days ago
Delta
Fri, Aug 8 - Fri, Aug 15
SEA
Seattle
SJO
San José
₩732,400 Roundtrip, found 20 hours ago
₩732,400
Roundtrip
found 20 hours ago
Select Delta flight, departing Fri, Aug 8 from Seattle to San José, returning Fri, Aug 15, priced at ₩732,400 found 20 hours ago
American Airlines
Fri, Aug 1 - Thu, Aug 7
SEA
Seattle
SJO
San José
₩736,900 Roundtrip, found 5 days ago
₩736,900
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Aug 1 from Seattle to San José, returning Thu, Aug 7, priced at ₩736,900 found 5 days ago
Air Canada
Fri, Aug 8 - Fri, Aug 15
SEA
Seattle
SJO
San José
₩1,180,000 Roundtrip, found 20 hours ago
₩1,180,000
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Fri, Aug 8 from Seattle to San José, returning Fri, Aug 15, priced at ₩1,180,000 found 20 hours ago

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

September is typically the cheapest month to fly

From ₩455,816 - ₩835,818 per traveler.

Graph displaying average flight prices per month

Flights from Seattle (SEA) to San José (SJO)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, Delta, United, avianca
Roundtrip price
₩644,100
Distance
5450 km

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.

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 ₩644,100. 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.

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