
Popular airlines from Seattle-Tacoma International Airport (SEA) to Luis Munoz Marin Intl. Airport (SJU)
- British Airways
British Airways
- easyJet
easyJet
- Lufthansa
Lufthansa
- Ryanair
Ryanair
- American Airlines
American Airlines
- Jet2
Jet2
- Swiss International Air Lines
Swiss International Air Lines
- Plan, book, fly with confidence
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Cheap Flights from Seattle (SEA) to San Juan (SJU)
Prices were available within the past 7 days and start at £235 for one-way flights and £317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.










Find the cheapest month to fly from Seattle (SEA) to San Juan (SJU)
October is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Luis Munoz Marin Intl. |
Return price | £316 |
Distance | 5959 km |
Compare flights from Seattle to San Juan easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to San Juan. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Luis Munoz Marin Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Luis Munoz Marin Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Luis Munoz Marin Intl. (SJU)
The easiest way to view the best deals on flights from Seattle to San Juan today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Luis Munoz Marin Intl. start at just £317 and range up to £462.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Seattle and San Juan
- booking your flight during October, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Seattle to San Juan flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Luis Munoz Marin Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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Top Routes from Seattle
- Seattle to Chicago (SEA - ORD)
- Seattle to Newark Liberty Intl. Airport (SEA - EWR)
- Seattle to San Diego (SEA - SAN)
- Seattle to Los Angeles (SEA - LAX)
- Seattle to Calgary (SEA - YYC)
- Seattle to London (SEA - LCY)
- Seattle to Honolulu (SEA - HNL)
- Seattle to Reykjavik (SEA - KEF)
- Seattle to New York (SEA - JFK)
- Seattle to Dublin (SEA - DUB)
- Seattle to Tokyo (SEA - NRT)
- Seattle to Birmingham (SEA - BHX)
Top Routes to San Juan
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Santo Domingo to San Juan (SDQ - SJU)
- London to San Juan (LCY - SJU)
- Amsterdam to San Juan (AMS - SJU)
- Boston to San Juan (BOS - SJU)
- Edinburgh to San Juan (EDI - SJU)
- New York to San Juan (JFK - SJU)
- Tortola to San Juan (EIS - SJU)
- Dublin to San Juan (DUB - SJU)
- Madrid to San Juan (MAD - SJU)
- St. Thomas to San Juan (STT - SJU)
- Philadelphia to San Juan (PHL - SJU)
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