
Popular airlines from Seattle-Tacoma International Airport (SEA) to Luis Munoz Marin Intl. Airport (SJU)
- JetBlue Airways
JetBlue Airways
- Spirit Airlines
Spirit Airlines
- Alaska Airlines
Alaska Airlines
- American Airlines
American Airlines
- Delta
Delta
- United
United
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Cheap flights from Seattle (SEA) to San Juan (SJU)
Prices were available within the past 7 days and start at CA $196 for one-way flights and CA $494 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Origin airport | Seattle - Tacoma Intl. |
Destination airport | Luis Munoz Marin Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, JetBlue Airways, Spirit Airlines, United |
Roundtrip price | CA $494 |
Distance | 5959 km |
Seattle to San Juan Flights
The easy way to book your flights from Seattle to San Juan
With Expedia, it’s simple to find and book flights to San Juan from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Luis Munoz Marin Intl., too.
Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to San Juan today, tomorrow, or this week.
Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Luis Munoz Marin Intl., SJU
Sort your search results by price to find great deals on your flight from Seattle to San Juan—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Juan from Seattle currently is just CA $494 rising to CA $566.
Here are more money-saving tips:
- Fly in September when flight prices are normally at their lowest
- Book about a month to 6 weeks before you travel for the best prices to San Juan
- Avoid peak season and weekends when flights can cost more
- Early morning and late-night flights are sometimes cheaper, so try varying your travel times
- One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!
Reasons to choose Expedia for your flight to San Juan from Seattle
Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Juan with Expedia today.
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Top Routes from Seattle
- Seattle to Chicago (SEA - ORD)
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- Seattle to Newark Liberty Intl. Airport (SEA - EWR)
- Seattle to Phoenix (SEA - PHX)
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- Seattle to Dallas (SEA - DFW)
Top Routes to San Juan
- Ottawa to San Juan (YOW - SJU)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Calgary to San Juan (YYC - SJU)
- Detroit to San Juan (DTW - SJU)
- New York to San Juan (LGA - SJU)
- Boston to San Juan (BOS - SJU)
- Fort Lauderdale to San Juan (FLL - SJU)
- Winnipeg to San Juan (YWG - SJU)
- Halifax to San Juan (YHZ - SJU)
- Québec to San Juan (YQB - SJU)
- Minneapolis to San Juan (MSP - SJU)
- New York to San Juan (JFK - SJU)