$182 Cheap United flights from Seattle to San José (SEA to SJO)

Find The Best Day To Fly from Seattle to San José

Amazing United SEA to SJO Flight Deals

The cheapest flights to Juan Santamaría Intl. found within the past 7 days were $396 round trip and $182 one way. Prices and availability subject to change. Additional terms may apply.

SJO From SEA Economy Coach Packages on Similar Airlines

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Frequently asked questions

Can I catch a flight from SEA to SJO right now?
It’s always prudent to find out about any travel advice reports and quarantine requirements in place in your destination city. Ensure you go to the Covid-19 Travel Advisor for up-to-date information on flying to SJO.
What terminal is United Airlines at Sea-Tac Airport?
Once you’re issued with the boarding pass for your United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Juan Santamaria Intl. Airport (SJO), you should be able to see which terminals you’ll be flying in and out of. Your carrier will have the answers if you can’t find those details on your ticket.
Are there United Airlines non-stop flights from SEA to SJO?
Unfortunately, you can’t fly direct from Sea-Tac Airport to Juan Santamaria Intl. Airport with United Airlines. Be prepared to make a stopover if you have to stick to this airline and route.
How long is a United Airlines flight from SEA to SJO?
As it’ll take an average of 7 hours and 51 minutes for your United Airlines flight to get from SEA to SJO, consider throwing a few travel games in your carry-on bag. You never know — the person beside you might appreciate the opportunity to play to break up the journey.
How many direct and indirect flights does United Airlines fly from SEA to SJO?
If you want to book a trip from SEA to SJO, you can pick from 2 United Airlines flights per day.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Juan Santamaria Intl. Airport (SJO), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Seattle SEA to San José SJO 

To find the best deals on flights to Seattle from San José with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Seattle SEA to San José SJO with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $396 to $431, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Seattle SEA to San José SJO 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Seattle to San José costs from $182. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to San José SJO from  Seattle SEA with United 

To find a cheap United flight from Seattle SEA to San José SJO, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Seattle SEA to San José SJO 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as September, or if you book a flight with a stopover. 

 

Find nonstop flights from Seattle SEA to San José SJO with United 

If you’re keen to be on San José soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Seattle SEA to San José SJO 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to San José SJO from  Seattle SEA with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Travelers ❤️ these 🏨 after their flight to San José

Hampton by Hilton San Jose Airport
Hampton by Hilton San Jose Airport
3 out of 5
Hwy 1 Airport Blvd, Rio Segundo
This hotel features an outdoor pool, a gym, and a restaurant. Traveling on business? Take advantage of the business center, free WiFi in public areas, and free ...
9/10 Wonderful! (2,268 reviews)
"As always the Hampton Inn by the San Jose airport was a pleasure to visit. The staff is always cheerful and helpful, the rooms are clean and quiet, and the facility is so close to the airport with shuttle service. It is my go to place when flying in or out of San Jose."

Reviewed on May 10, 2025

Hampton by Hilton San Jose Airport
Hilton Garden Inn San Jose Airport City Mall
Hilton Garden Inn San Jose Airport City Mall
3.5 out of 5
Francisco J. Orlich Road, Alajuela, Alajuela
This hotel features a restaurant, an outdoor pool, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.8/10 Excellent! (1,132 reviews)
"I liked the lobby staff. They were very polite and accommodating. The hotel was very safe and clean, despite being connected to a very busy mall."

Reviewed on May 10, 2025

Hilton Garden Inn San Jose Airport City Mall
Courtyard by Marriott San Jose Airport Alajuela
Courtyard by Marriott San Jose Airport Alajuela
3.5 out of 5
Plaza Los Mangos, Radial Francisco J Orlich, Rio Segundo, Alajuela
This hotel features an outdoor pool, a 24-hour gym, and a restaurant. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
9.2/10 Wonderful! (1,001 reviews)
"We had a short stay but a great time. Walmart was walking distance which allowed us to get the snacks we needed to started our journey in CR! Highly recommended"

Reviewed on Apr 29, 2025

Courtyard by Marriott San Jose Airport Alajuela
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.