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

Featured airlines

Qantas Airways
Virgin Australia
Air New Zealand
Jetstar
Fiji Airways
Singapore Airlines
Philippine Airlines
Qatar Airways
Scoot
  • Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Beautiful view of the beach with palm trees

Black Friday: Members save 30%+

Members save 30%+ on selected hotels until 4 Dec (property time) with our Black Friday deals. Stay by 15 Dec 2025.
Unlock Black Friday deals
Flight from San Juan to Seattle route information
Origin airport
Luis Munoz Marin Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
5959 km

Your quick guide to flights from San Juan to Seattle

Pick up great flights from San Juan to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Juan to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Juan to Seattle that take around hours.

Find cheap flights from San Juan to Seattle

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Juan to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in .

Reasons to book your flight from San Juan to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Juan to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Luis Munoz Marin Intl. Airport (SJU) to Sea-Tac Airport?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights from SJU to Seattle - Tacoma Intl. Airport (SEA) start from . Book ASAP to secure the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Isla Verde Intl. Airport to Sea-Tac Airport?
Every airline has its own terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from Isla Verde Intl. Airport to Seattle - Tacoma Intl. Airport (SEA) 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 Luis Munoz Marin Intl. Airport (SJU) to SEA flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Luis Munoz Marin Intl. Airport (SJU) to Seattle - Tacoma Intl. Airport (SEA)?
With a flight distance of 6 000 kilometres between Carolina and SeaTac, this is a long-haul trip. Make sure you drink lots of water and go for a short walk down the aisle from time to time.
Which airlines fly direct from Luis Munoz Marin Intl. Airport (SJU) to Sea-Tac Airport?
If you want to travel straight from Luis Munoz Marin Intl. Airport (SJU) to SEA, you’ll need to book a flight with one or more stops. Unfortunately, there aren’t any airlines that fly directly on this route.
Are SJU to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
It is possible to score great last-minute deals from SJU to SEA, but it’s also possible to miss out altogether! As many airlines publish prices up to 12 months in advance, it’s worth keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can rest easy knowing you’re always seeing the latest offers.
*Available to Expedia members.