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

SJO Airport Page →
3,407 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 36 1-stop flights Verified 2w ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
San José (Alajuela) to Seattle
Connecting service available through multiple hubs.
3,407 mi 6h 32m nonstop -1h behind 36 1-stop hubs

While no nonstop service exists between SJO and SEA, connecting options are available through 36 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
36
Hubs
~5h
Fastest
~43h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,616
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.
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 0 1
Flight time 6h 32m 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
-1h
Seattle is 1 hour behind San José (Alajuela).
SJO: CST · SEA: PDT

When it's 6:00 PM in San José (Alajuela), it's 5:00 PM in Seattle.
Distance & Flight Time
3,407 mi / 5,483 km
Nonstop flight time is approximately 6h 32m.
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 time6h 32m
Time difference-1 hour
Airlines (nonstop)0
1-stop connections36 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/Los_Angeles
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 6h 32m. The route covers 3,407 miles.
Yes, 1-stop connections are available through FXE, HOU, MSY, MEM, OAK, DAL, TEB, TPA, BNA, CHS, AUS, RDU, SAT, YYZ, MCO, BWI, MIA, LAX, IAH, MSP, JFK, ORD, DFW, MEX, AMS, FLL, CLT, ATL, SFO, LIR, EWR, DEN, IAD, GDL, CDG and FRA. These options provide additional schedule flexibility.
Seattle is 1 hour behind San José (Alajuela).
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 6 hours 32 minutes. The route covers a distance of 3,407 miles (5,483 km).

Connecting Options and Alternatives

36 one-stop connections are available, with the fastest taking approximately 5 hours via FXE. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Liberia (LIR).