£142 Cheap Flights from Seattle (SEA) to San José (SJO)

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

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

Prices were available within the past 7 days and start at £142 for one-way flights and £291 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
JetBlue Airways
JetBlue Airways
Alaska Airlines
JetBlue Airways
JetBlue Airways
American Airlines
avianca
United

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

September is typically the cheapest month to fly

From £248 - £432 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to San José route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Juan Santamaría Intl.
Return price
£291
Distance
5450 km

Compare flights from Seattle to San José easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to San José. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Juan Santamaría Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Juan Santamaría Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Juan Santamaría Intl. (SJO)

The easiest way to view the best deals on flights from Seattle to San José today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Juan Santamaría Intl. start at just £291 and range up to £436.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and San José
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seattle to San José flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Juan Santamaría Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

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 £291. 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.

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