Seattle to San Juan (SEA–SJU) — Airlines, Schedules & Connections

SEA Airport Page →
airlines 0/wk
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Flight Schedule 0 flights
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No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Seattle to San Juan
Connecting service available through multiple hubs.
+2h ahead 35 1-stop hubs

While no nonstop service exists between SEA and SJU, connecting options are available through 35 hubs.

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to SJU.
1-STOP
One-Stop Connections
35
Hubs
~9h
Fastest
~32h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
1,902
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.

On-Time Performance

What to expect at each end of your journey.
Outbound
SEA → SJU
65%
Moderate delays possible. Allow buffer time.
Departing
65%
Arriving
100%
Return
SJU → SEA
100%
Generally reliable. Most flights run on time.
Departing
100%
Arriving
90%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays → SJU delays →

Travel Essentials

Practical planning for this route.
Time Difference
+2h
San Juan is 2 hours ahead of Seattle.
SEA: MDT · SJU: AST

When it's 6:00 PM in Seattle, it's 8:00 PM in San Juan.
Visa & Entry

Puerto Rico is an unincorporated US territory. US citizens travel to Puerto Rico with the same freedom as traveling between US states. No passport is needed. A valid government-issued photo ID (driver's license or state ID) is sufficient. There are no immigration or customs formalities for domestic travelers. At Luis Munoz Marin International Airport (SJU) in San Juan, you walk off the plane and collect your luggage with no border checkpoint.

Puerto Rico uses US currency, US federal law, and the US Postal Service. Your US health insurance, driver's license, and cell phone plan work here. Mail delivery uses standard US ZIP codes (006xx to 009xx). Puerto Rico is in the Atlantic Standard Time zone (AST), UTC-4, which is 1 hour ahead of US Eastern Time during daylight saving time and the same as Eastern during standard time (Puerto Rico does not observe daylight saving). Old San Juan's colonial architecture, the El Yunque National Rainforest (the only tropical rainforest in the US National Forest System), and Flamenco Beach on Culebra are the top draws.

Direct flights from New York JFK to San Juan run about 3 hours 30 minutes on JetBlue, Delta, United, and Spirit. Miami to SJU runs about 2 hours 30 minutes. Fort Lauderdale, Orlando, Atlanta, Philadelphia, Chicago, Dallas, and dozens of other US cities have nonstop service. SJU is the busiest airport in the Caribbean and a hub for flights to the US Virgin Islands, the Eastern Caribbean, and South America. Because this is a domestic flight, no TSA PreCheck or Global Entry distinctions apply beyond what you use on any US domestic flight. Car rental starts at $30 per day. The Tren Urbano metro runs a single line from Bayamon to Sagrado Corazon in Santurce for $0.75 per ride. AMA buses cover the San Juan metro area at $0.75.

Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

SEA–SJU Quick Facts

Key statistics for the Seattle to San Juan route.
Route details
Time difference+2 hours
Airlines (nonstop)0
1-stop connections35 hubs
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Boise
Passengers/yr52.6M
Elevation433 ft / 132 m
Destination: SJU
IATA / ICAOSJU / TJSJ
TimezoneAmerica/Puerto_Rico
Passengers/yr13.0M
Elevation9 ft / 3 m

Frequently Asked Questions

Common questions about SEA to SJU flights.
Yes, 1-stop connections are available through MEM, CVG, CHS, DAL, CUN, PHX, SNA, PIT, DUB, MDW, LUX, CLT, DFW, EWR, BOS, PHL, TPA, MCO, MIA, ATL, JFK, BWI, IAH, FLL, ORD, DTW, DEN, RDU, IAD, AUS, YYZ, BNA, MSP, DCA and STL. These options provide additional schedule flexibility.
San Juan is 2 hours ahead of Seattle.
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.

Connecting Options and Alternatives

35 one-stop connections are available, with the fastest taking approximately 9 hours via MEM. Two-stop connections are also available via intermediate hubs.