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Flights from Seattle to San Juan
There are no direct flights from Seattle to San Juan. The fastest way is one stop via Atlanta or Miami, about 8h 39m door to door (277 connections a week on current schedules).
No direct flights · 6 connection options From 8h 39m
Seattle to San Juan at a glance
Fastest journey8h 39mVia Atlanta, on current schedules
Nonstop flightsNoneConnect via Atlanta or Miami
Best ways to fly from Seattle to San Juan
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
SEA Atlanta (ATL) SJU
Leg 1: Alaska Airlines, Delta Air Lines, Korean Air · Leg 2: Delta Air Lines, Frontier Airlines
Thu00:00 SEA07:29 ATL0h 46m connection08:15 ATL11:39 SJUDelta Air Lines
2Search
SEA Miami (MIA) SJU
Leg 1: Alaska Airlines, American Airlines, Delta Air Lines · Leg 2: American Airlines, Frontier Airlines
Mon21:15 SEA05:41 MIA1h 34m connection07:15 MIA09:32 SJUAmerican Airlines
3Search
SEA New York (JFK) SJU
Leg 1: Alaska Airlines, Delta Air Lines, JetBlue Airways · Leg 2: Delta Air Lines, JetBlue Airways
Thu23:00 SEA07:02 JFK0h 58m connection08:00 JFK11:37 SJUDelta Air Lines
4Search
SEA Boston (BOS) SJU
Leg 1: Alaska Airlines, Delta Air Lines, JetBlue Airways · Leg 2: Delta Air Lines, Frontier Airlines, JetBlue Airways
Sat00:15 SEA08:14 BOS1h 01m connection09:15 BOS12:56 SJUJetBlue Airways
5Search
SEA Philadelphia (PHL) SJU
Leg 1: Alaska Airlines, American Airlines, Delta Air Lines · Leg 2: American Airlines, Frontier Airlines, JetBlue Airways
Thu23:00 SEA06:47 PHL2h 43m connection09:30 PHL12:58 SJUAmerican Airlines
6Search
SEA Chicago (ORD) SJU
Leg 1: Alaska Airlines, American Airlines, Delta Air Lines · Leg 2: American Airlines, United Airlines, Frontier Airlines
Sun00:15 SEA06:04 ORD2h 41m connection08:45 ORD14:16 SJUAlaska Airlines + American Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 5,992 km3,721 miles
- Journey time
- 8h 39mon current schedules
- Time difference
- +4hSan Juan vs Seattle
- Currency in San Juan
- USD
- Airports
- SEA, BFI → SJU, SIG
Flights from Seattle to San Juan: questions answered
Are there direct flights from Seattle to San Juan?
No. There is no nonstop service, so you will connect, most easily in Atlanta, Miami and New York. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Seattle to San Juan?
With one connection the journey usually takes around 8h 39m, depending on the layover. The straight-line distance is 5,992 km.
Where do you change planes between Seattle and San Juan?
The best connecting points are Atlanta (ATL), Miami (MIA), New York (JFK) and Boston (BOS). Alaska Airlines flies both legs via Atlanta, so you can book it as one ticket.
Which airports serve Seattle and San Juan?
Seattle: Seattle–Tacoma International Airport (SEA) and King County International Airport - Boeing Field (BFI). San Juan: Luis Munoz Marin International Airport (SJU) and Fernando Luis Ribas Dominicci Airport (SIG).
What is the time difference between Seattle and San Juan?
San Juan is 4 hours ahead of Seattle.





