￥51,020 Cheap Flights from Seattle (SEA) to San Juan (SJU)

View ￥51,020 flight on Fri, Oct 10, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Luis Munoz Marin Intl. Airport (SJU)

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

Prices were available within the past 7 days and start at ￥51,020 for one-way flights and ￥63,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Oct 21 - Sun, Oct 26
SEA
Seattle
SJU
San Juan
￥63,400 Roundtrip, found 6 days ago
￥63,400
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Seattle to San Juan, returning Sun, Oct 26, priced at ￥63,400 found 6 days ago
American Airlines
Tue, Oct 21 - Sun, Oct 26
SEA
Seattle
SJU
San Juan
￥65,900 Roundtrip, found 6 days ago
￥65,900
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Seattle to San Juan, returning Sun, Oct 26, priced at ￥65,900 found 6 days ago
American Airlines
Tue, Oct 21 - Sun, Oct 26
SEA
Seattle
SJU
San Juan
￥73,100 Roundtrip, found 6 days ago
￥73,100
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Seattle to San Juan, returning Sun, Oct 26, priced at ￥73,100 found 6 days ago
American Airlines
Tue, Oct 21 - Sun, Oct 26
SEA
Seattle
SJU
San Juan
￥75,900 Roundtrip, found 6 days ago
￥75,900
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Seattle to San Juan, returning Sun, Oct 26, priced at ￥75,900 found 6 days ago
American Airlines
Tue, Oct 21 - Sun, Oct 26
SEA
Seattle
SJU
San Juan
￥78,400 Roundtrip, found 6 days ago
￥78,400
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Seattle to San Juan, returning Sun, Oct 26, priced at ￥78,400 found 6 days ago
United
Mon, Oct 13 - Sat, Oct 18
SEA
Seattle
SJU
San Juan
￥84,740 Roundtrip, found 23 hours ago
￥84,740
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Oct 13 from Seattle to San Juan, returning Sat, Oct 18, priced at ￥84,740 found 23 hours ago
American Airlines
Tue, Oct 21 - Sun, Oct 26
SEA
Seattle
SJU
San Juan
￥85,700 Roundtrip, found 6 days ago
￥85,700
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Oct 21 from Seattle to San Juan, returning Sun, Oct 26, priced at ￥85,700 found 6 days ago
American Airlines
Sun, Oct 12 - Sat, Oct 18
SEA
Seattle
SJU
San Juan
￥87,540 Roundtrip, found 23 hours ago
￥87,540
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Sun, Oct 12 from Seattle to San Juan, returning Sat, Oct 18, priced at ￥87,540 found 23 hours ago
United
Mon, Oct 13 - Fri, Oct 17
SEA
Seattle
SJU
San Juan
￥88,140 Roundtrip, found 23 hours ago
￥88,140
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Oct 13 from Seattle to San Juan, returning Fri, Oct 17, priced at ￥88,140 found 23 hours ago
Delta
Fri, Oct 10 - Fri, Oct 17
SEA
Seattle
SJU
San Juan
￥88,340 Roundtrip, found 23 hours ago
￥88,340
Roundtrip
found 23 hours ago
Select Delta flight, departing Fri, Oct 10 from Seattle to San Juan, returning Fri, Oct 17, priced at ￥88,340 found 23 hours ago

Find the cheapest month to fly from Seattle (SEA) to San Juan (SJU)

March is typically the cheapest month to fly

From ￥34,587 - ￥94,740 per traveler.

Alternative airports near San Juan

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Luis Munoz Marin Intl. SJU. Cheapest option available. Average driving time to city center is 16 minutes. Flights from ￥87,540
SJU
Luis Munoz Marin Intl.
Cheapest
Average driving time to city center16 min
Flights from ￥87,540

Frequently asked questions

How much is a flight from Sea-Tac Airport to Luis Munoz Marin Intl. Airport (SJU)?
The lowest price advertised for a round-trip flight from Sea-Tac Airport to Isla Verde Intl. Airport is ￥63,400. But you better get a move on. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year. 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 to Luis Munoz Marin Intl. Airport (SJU)?
The majority of flights can be canceled online, but whether you incur a fee differs between airlines. If you do have to cancel your trip, follow the instructions in the Customer Service Portal.
How do I find cheap flights from 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 Seattle - Tacoma Intl. Airport (SEA) to SJU flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Sea-Tac Airport to Luis Munoz Marin Intl. Airport (SJU)?
There are lots of ways to make the 8 hours and 59 minutes between SEA and SJU go by faster. Be productive and sort through your camera roll or clear out all those backed-up emails. A nice snooze also helps pass the time!
How far is the flight from SEA to Luis Munoz Marin Intl. Airport (SJU)?
The distance is around 6,000 kilometers, so fill your carry-on bag with all the things you need to make the long journey comfortable. Not sure what to take on board your SeaTac to Carolina flight? Earplugs, a sleep mask and a neck pillow are a few essentials.
Which airlines fly direct from Sea-Tac Airport to SJU?
If you want to fly straight from Sea-Tac Airport to Isla Verde Intl. Airport, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.
Are Sea-Tac Airport to SJU flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Sea-Tac Airport to SJU last minute could save you some serious cash. However, you might miss out on a flight altogether! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
￥63,400
Distance
5959 km

Book with confidence

Book with confidence

Seattle to San Juan Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Seattle to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring San Juan.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with SEA to SJU flights that won’t make your bank account wince. Ready to temporarily leave behind Seattle for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SJU with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Seattle to San Juan Flights

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