Featured airlines
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 35% on select hotels after you book a flight*
Plan, book, fly with confidence
Cheap Flights from Seattle (SEA) to San Juan (SJU)
Prices were available within the past 7 days and start at AU$303 for one-way flights and AU$634 for round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.
Sat., 11 Jan. - Sun., 2 Feb.
SEA
Seattle
SJU
San Juan
AU$634 Return, found 1 day ago
AU$634
Return
found 1 day ago
Sat., 11 Jan. - Sun., 2 Feb.
SEA
Seattle
SJU
San Juan
AU$656 Return, found 1 day ago
AU$656
Return
found 1 day ago
Sat., 11 Jan. - Sun., 2 Feb.
SEA
Seattle
SJU
San Juan
AU$680 Return, found 1 day ago
AU$680
Return
found 1 day ago
Sat., 11 Jan. - Sun., 2 Feb.
SEA
Seattle
SJU
San Juan
AU$721 Return, found 1 day ago
AU$721
Return
found 1 day ago
Sat., 11 Jan. - Sun., 2 Feb.
SEA
Seattle
SJU
San Juan
AU$775 Return, found 1 day ago
AU$775
Return
found 1 day ago
Sat., 11 Jan. - Sun., 2 Feb.
SEA
Seattle
SJU
San Juan
AU$792 Return, found 1 day ago
AU$792
Return
found 1 day ago
Expedia's Latest Trends
Hotels
Flights
Flights from Honolulu to MauiFlights from Brisbane to HonoluluFlights from Sydney to HonoluluFlights from Cairns (CNS) to Whitsundays (HTI)Flights from Adelaide (ADL) to Phnom Penh (PNH)Flights from Sydney (SYD) to Broken Hill (BHQ)Flights from Perth to HonoluluFlights from Las Vegas to AnaheimFlights from Nairobi (NBO) to Ndola (NLA)Flights from Honiara to HonoluluFlights from Narita (NRT) to Incheon (ICN)Flights from Sepang (KUL) to George Town (PEN)Flights from Adelaide to MauiFlights from Melbourne to MauiFlights from Singapore (SIN) to Taoyuan City (TPE)Flights from Brisbane (BNE) to Baltimore (BWI)
*Available to Expedia members.