CA $196 Cheap Flights from Seattle (SEA) to San Juan (SJU)

View CA $196 flight on Tue, May 13, 2025Opens in a new window

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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.

American Airlines
Fri., Sep. 26 - Wed., Oct. 15
SEA
Seattle
SJU
San Juan
CA $494 Roundtrip, found 1 hour ago
CA $494
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri., Sep. 26 from Seattle to San Juan, returning Wed., Oct. 15, priced at CA $494 found 1 hour ago
Delta
Sat., Nov. 8 - Thu., Nov. 20
SEA
Seattle
SJU
San Juan
CA $495 Roundtrip, found 4 days ago
CA $495
Roundtrip
found 4 days ago
Select Delta flight, departing Sat., Nov. 8 from Seattle to San Juan, returning Thu., Nov. 20, priced at CA $495 found 4 days ago
American Airlines
Tue., Jan. 6 - Tue., Jan. 20
SEA
Seattle
SJU
San Juan
CA $495 Roundtrip, found 4 days ago
CA $495
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue., Jan. 6 from Seattle to San Juan, returning Tue., Jan. 20, priced at CA $495 found 4 days ago
Delta
Tue., Nov. 4 - Tue., Nov. 11
SEA
Seattle
SJU
San Juan
CA $497 Roundtrip, found 6 days ago
CA $497
Roundtrip
found 6 days ago
Select Delta flight, departing Tue., Nov. 4 from Seattle to San Juan, returning Tue., Nov. 11, priced at CA $497 found 6 days ago
American Airlines
Fri., Sep. 26 - Wed., Oct. 15
SEA
Seattle
SJU
San Juan
CA $498 Roundtrip, found 1 hour ago
CA $498
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri., Sep. 26 from Seattle to San Juan, returning Wed., Oct. 15, priced at CA $498 found 1 hour ago
American Airlines
Sat., Nov. 8 - Thu., Nov. 20
SEA
Seattle
SJU
San Juan
CA $500 Roundtrip, found 4 days ago
CA $500
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat., Nov. 8 from Seattle to San Juan, returning Thu., Nov. 20, priced at CA $500 found 4 days ago
American Airlines
Fri., Sep. 26 - Wed., Oct. 15
SEA
Seattle
SJU
San Juan
CA $506 Roundtrip, found 1 hour ago
CA $506
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri., Sep. 26 from Seattle to San Juan, returning Wed., Oct. 15, priced at CA $506 found 1 hour ago
United
Thu., Oct. 2 - Mon., Oct. 6
SEA
Seattle
SJU
San Juan
CA $563 Roundtrip, found 4 days ago
CA $563
Roundtrip
found 4 days ago
Select United flight, departing Thu., Oct. 2 from Seattle to San Juan, returning Mon., Oct. 6, priced at CA $563 found 4 days ago
Spirit Airlines
Wed., May 7 - Wed., May 14
SEA
Seattle
SJU
San Juan
CA $565 Roundtrip, found 1 day ago
CA $565
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Wed., May 7 from Seattle to San Juan, returning Wed., May 14, priced at CA $565 found 1 day ago
JetBlue Airways
Tue., Jan. 6 - Tue., Jan. 20
SEA
Seattle
SJU
San Juan
CA $566 Roundtrip, found 4 days ago
CA $566
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue., Jan. 6 from Seattle to San Juan, returning Tue., Jan. 20, priced at CA $566 found 4 days ago
Flight from Seattle to San Juan (SEA - SJU) route information
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

Ready for an adventure? Thought so! Prepare to see the sights when you book your trip from Seattle to San Juan with Expedia.ca. Whether you’re visiting for business or pleasure, we know how important it is to bring home travel stories. Maybe your tales will include the best dinner of your life, or the weirdest street art you saw in the city, or the concert that turned you into a fan of a new band. Whatever it is, your new favourite anecdote is right around the corner. Book your trip from SEA to SJU and begin your journey!

Getting a cheap deal on your trip sets the tone for the perfect holiday. And with Expedia.ca, you know you can travel from Seattle to San Juan on the cheap, with enough money left over for a stellar time in the city. That could mean more tours with the kids, more concerts with the spouse, more dessert amongst co-workers, or even front row seats to a sports game if you’re travelling solo. It’s your holiday! Make it great.

Travelling shouldn’t cost an arm and a leg before you even get to relax on the plane’s armrests. Count on Expedia.ca to get you the best discounts on flights from SEA to SJU. And remember this: You can also save big when you bundle. Add a hotel or car rental deal to your flight and witness those savings add up. Hey, more money for more souvenirs, right? Right! Pack your bags and we’ll see you on the route.

Combine your San Juan flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from with Expedia Canada. Use us as your top travel destination and have the confidence that you’re getting a bargain!

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 CA $494. 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 canceled 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 kilometers 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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Seattle nearby Airports

Seattle Paine Field Intl. Airport

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