Cheap Flights from Seattle to San Jose Juan Santamaria

Compare Seattle to San Jose Juan Santamaria flight deals

Find the cheapest month or even day of the year to fly to San Jose Juan Santamaria

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Flight deals from Seattle to San Jose Juan Santamaria

Looking for a cheap last-minute deal or the best return flight from Seattle to San Jose Juan Santamaria Airport? If you want to travel next month, return fares start from ج.م.‏ 31,499. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle to San Jose Juan Santamaria

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to San Jose Juan Santamaria flights are currently cheapest in June.

Seattle to San Jose Juan Santamaria: Alternative routes

Compare routes from Seattle to San Jose below. You may find an airport to fly into that's cheaper, faster, or easier than San Jose Juan Santamaria.

Seattle to San Jose: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 12,010
Cheapest month to flyJune

Finding cheap flights from Seattle to San Jose Juan Santamaria: Frequently asked questions

The best price we found for a return flight from Seattle to San Jose Juan Santamaria is ج.م.‏ 26,278. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to San Jose Juan Santamaria. But we found flights with one stop from ج.م.‏ 26,240.
As of May 2026, there are no flights flying from Seattle to San Jose Juan Santamaria.
The cheapest month to fly from Seattle to San Jose Juan Santamaria is usually August.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to San Jose Juan Santamaria Airport on Thursday, 13 August 2026.
No airlines currently offer direct flights between Seattle and San Jose Juan Santamaria Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Jose Juan Santamaria but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Jose is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to San Jose Juan Santamaria is Frontier Airlines .

Flying from Seattle to Juan Santamaria International Airport (SJO): What you need to know

  • San Jose is two hours ahead of Seattle. Juan Santamaria International Airport is located in San Jose, which runs on the UTC-6 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to board your flight from Seattle to SJO.

  • Popular months like July or holiday times such as Thanksgiving and Christmas/New Year will mean longer lines at check-in and security. Play it safe and get to the airport even earlier. Arriving two hours before domestic flights and up four hours ahead of international flights is a wise move.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • We make it easy to find cheap flights from Seattle to SJO that include a stopover. To explore the options departing from Seattle-Tacoma International Airport (SEA), deselect 'Direct flights only.' Then, select a flight with a stop long enough to tour the city of your choice. Popular stopovers between SEA and SJO include:

    • Denver International Airport (DEN)

    • Los Angeles International Airport (LAX)

    • Houston George Bush Intercontinental Airport (IAH)

  • SEA is around 23 kilometres from central Seattle. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the journey time to be around 35 minutes.

  • Want a stress-free start to your trip? Stay near Seattle-Tacoma International Airport. Whether you're boarding an early flight from Seattle to Juan Santamaria International Airport or just don't want to be rushed, these hotels have you covered:

  • 80% of flights leaving Seattle-Tacoma International Airport touch down at their destination according to schedule. Given its reliable on-time performance, you're unlikely to face delays when flying out of SEA.

Seattle Paine Field International Airport (PAE)

  • PAE is about 40 kilometres from central Seattle. It takes 40 minutes or so to get to the airport in a car from the city centre. Public transport takes roughly 1 hour 30 minutes.

  • Kick off your holiday early with an additional night away from home. Before catching your Seattle to SJO flight, unwind in one of these hotels close to Seattle Paine Field International Airport:

  • The majority of flights that leave Seattle Paine Field International Airport land at their destination right on cue. It boasts an on-time performance rate of 80%.

About Juan Santamaria International Airport (SJO)

  • If you're coming in on a late flight from Seattle to Juan Santamaria International Airport, few things top the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and sleeping soon after at one of these options near SJO:

  • To get the lowest price, book your ride around three weeks in advance of your Seattle to Juan Santamaria International Airport flight.

Getting from Juan Santamaria International Airport (SJO) to central San Jose

  • Juan Santamaria International Airport is around 18 kilometres from the centre of San Jose. It takes around 25 minutes or so to get to the city by car.

  • It typically takes 1 hour to get there using public transport.

How to find the cheapest flights from Seattle to Juan Santamaria International Airport (SJO)

  • ج.م.‏ 12,010 is the lowest price for a one-way ticket from Seattle to Juan Santamaria International Airport. A return flight starts from ج.م.‏ 26,278. These fares can change depending on demand.

  • Booking early is often the key to finding a cheap flight from Seattle to SJO. Fares tend to rise as demand increases, so the closer you get to departure, the more you'll likely pay.

  • If you have some flexibility with your travel dates, try using the 'Whole month' search tool. It'll show you the lowest price across each month when searching for your Seattle to Juan Santamaria International Airport ticket.

  • Snapping up a cheap plane ticket from Seattle to SJO couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll let you know when there's a better deal.

  • Uncover a great deal on a flight from Seattle to Juan Santamaria International Airport with the help of the filters. Pick your preferred departure and arrival times, number of stops and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest.'

The best time to fly from Seattle to Juan Santamaria International Airport (SJO)

  • January is the most popular month for flights from Seattle to Juan Santamaria International Airport (SJO). Visit San Jose in December if you prefer a quieter experience.

  • The warmest month in San Jose is March, with temperatures ranging between 12ºC and 29ºC. Lock in your Seattle to SJO plane ticket then if this is the type of weather you enjoy.

  • Search for cheap tickets from Seattle to Juan Santamaria International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 11ºC and 26ºC.

More about San Jose

  • Once you've booked your flight from Seattle to Juan Santamaria International Airport, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring San Jose:

  • There are so many things to do and see in this city, it can be tricky to work out where to start. National Park (Parque Nacional), Central Park (Parque Central) and Precolumbian Gold Museum are major attractions which should feature on any well-planned San Jose itinerary.

Explore more of Costa Rica

  • You've seen San Jose, now it's time to discover more of Costa Rica. Travel about 129 kilometres east to Limon to check off its leading sights. From Veragua Rainforest Park to Playa Bonita and Playa Los Baños, you've got a jam-packed schedule ahead.

  • If you're looking to explore another side of Costa Rica, head for Liberia, about 153 kilometres northwest of San Jose. Museo de Guanacaste, Mirador de Liberia and Catarata oropendola are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.