£190 Cheap Flights from Seattle (SEA) to San Juan (SJU)

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Cheap Flights from Seattle (SEA) to San Juan (SJU)

Prices were available within the past 7 days and start at £190 for one-way flights and £302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
Alaska Airlines
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
Flight from Seattle to San Juan route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
JetBlue Airways
Return price
£302
Distance
5959 km

Compare flights from Seattle to San Juan easily and book in 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 £302 and range up to £535.  

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 May, 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.  

Frequently asked questions

How much is a flight from Sea-Tac Airport to SJU?
Start packing your suitcase, because round-trip flights from SEA to Isla Verde Intl. Airport start from £302. That’s based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Luis Munoz Marin Intl. Airport (SJU)?
Most flights can be cancelled online, but each air carrier has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to SJU that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for SEA to Isla Verde Intl. Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SEA to Luis Munoz Marin Intl. Airport (SJU)?
With a flight distance of 6,000 kilometres from Seattle - Tacoma Intl. Airport (SEA) (SEA) to Isla Verde Intl. Airport (SJU), this is a long flight. Ensure that you drink lots of water and go for a short walk down the aisle every so often.
Which airlines fly direct from Sea-Tac Airport to Luis Munoz Marin Intl. Airport (SJU)?
Direct flights aren’t available, so you’ll have to make at least one stop between Seattle - Tacoma Intl. Airport (SEA) and Isla Verde Intl. Airport. Use the layover time to stretch your legs and freshen up.
Are SEA to SJU flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally pick up a bargain, with some super cheap airfares from SEA to Luis Munoz Marin Intl. Airport (SJU) arising a few weeks before the date of departure. If you’d rather book ahead, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines issue prices so far in advance.
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