San José (Alajuela) to Seattle (SJO–SEA) — Airlines, Schedules & Connections

SJO Airport Page →
3,407 mi airlines 1/wk
On-time Some delays Frequent delays
Flight Schedule 0 flights Verified 4d ago
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  Flight Airline AC Dep Arr Dur OTP Sched  

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP
✧ 2-STOP Loading...
San José (Alajuela) to Seattle
Connecting service available through multiple hubs.
1 Flights/wk 3,407 mi 5h 10m nonstop 30 1-stop hubs

While no nonstop service exists between SJO and SEA, connecting options are available through 30 hubs.

Also explore SJO Routes SEA Routes SJO Live Flights SEA Live Flights SEA Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SJO to SEA.
1-STOP
One-Stop Connections
30
Hubs
~8h
Fastest
~42h
Longest
HOU ~8h 26m MEM ~8h 47m DAL ~9h 39m MSY ~10h 4m SAT ~10h 11m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,784
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
SJO → SEA
98%
Generally reliable. Most flights run on time.
Arriving
98%
Return
SEA → SJO
76%
Generally reliable. Most flights run on time.
Departing
76%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays →
Alternatives

Other ways to reach Seattle from San José (Alajuela)

Nearby airports with service to Seattle–Tacoma International Airport.
Metric SJO→SEA LIR→SEA
Distance from SJO – 100 mi
Nonstop airlines 0 1
Weekly flights 1 1
Flight time 5h 10m 7h 49m
Liberia (LIR) to Seattle flights
Airports within 200 miles of SJO with service to Seattle–Tacoma International Airport.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
Seattle is 0 hours the same as San José (Alajuela).
SJO: CST · SEA: MDT

When it's 6:00 PM in San José (Alajuela), it's 6:00 PM in Seattle.
Distance & Flight Time
3,407 mi / 5,483 km
Nonstop flight time is approximately 5h 10m.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

Check current weather forecasts before travel.
Facts

SJO–SEA Quick Facts

Key statistics for the San José (Alajuela) to Seattle route.
Route details
Distance3,407 mi / 5,483 km
Flight time5h 10m
Time difference0 hours
Airlines (nonstop)0
Weekly flights1 out
1-stop connections30 hubs
Origin: SJO
Full nameJuan Santamaría International Airport
IATA / ICAOSJO / MROC
TimezoneAmerica/Costa_Rica
Passengers/yr7.5M
Elevation3,021 ft / 921 m
Destination: SEA
Full nameSeattle–Tacoma International Airport
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
FAQ

Frequently Asked Questions

Common questions about SJO to SEA flights.
Nonstop flights from Juan Santamaría International Airport to Seattle–Tacoma International Airport take approximately 5h 10m. The route covers 3,407 miles.
There are approximately 1 nonstop flights per week from SJO to SEA.
Yes, 1-stop connections are available through HOU, MEM, DAL, MSY, SAT, LIR, MIA, MCO, YYZ, LAX, IAH, ORD, JFK, BNA, ATL, TPA, DFW, EWR, AUS, GDL, SFO, DEN, FLL, MEX, CLT, AMS, IAD, BWI, FRA and CDG. These options provide additional schedule flexibility.
Nearby alternatives include LIR. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SJO to SEA

Juan Santamaría International Airport (SJO) and Seattle–Tacoma International Airport (SEA) are connected through multiple connecting hub airports.

SJO to SEA Flight Duration and Schedule

Nonstop flight time from SJO to SEA ranges from 5 hours 10 minutes. The route covers a distance of 3,407 miles (5,483 km).

Connecting Options and Alternatives

30 one-stop connections are available, with the fastest taking approximately 8 hours via HOU. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Liberia (LIR).