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SJU - SEA

$196 Find Cheap Flights from San Juan to Seattle - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$426
Typical prices: $493-$643
Frontier
Tue 11/6Fri 11/9
SJU - SEA • 2 stops
Cheapest one-way
$196
Typical prices: $280-$472
Frontier
Mon 11/12
SJU - SEA • 2 stops
Nonstop flights
Not available
There are currently no direct flights between San Juan Luis Munoz Marin Intl Airport and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 34% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Minneapolis St Paul (MSP)
Cheapest • Avg $477 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 10h 25m (one-way)
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Insights
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Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Juan to Seattle

Fri, Nov 6 - Mon, Nov 9
Frontier Logo
4:52 pm - 3:12 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
26h 20m2 stops Miami Denver Intl
Frontier Logo
9:13 pm - 12:59 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
23h 46m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
$426Frontier
Tue, Nov 3 - Mon, Nov 9
Frontier Logo
4:52 pm - 3:12 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
26h 20m2 stops Miami Denver Intl
Frontier Logo
9:13 pm - 12:59 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
23h 46m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
$429Frontier
Wed, Nov 18 - Tue, Nov 24
Southwest Logo
10:45 am - 10:20 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
15h 35m2 stops Orlando Sacramento Intl
Southwest Logo
7:55 am - 1:45 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
13h 50m2 stops Austin Bergstrom Orlando
$573Southwest
Fri, Nov 6 - Tue, Nov 10
Southwest Logo
11:20 am - 11:05 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
15h 45m2 stops Orlando Denver Intl
Southwest Logo
6:10 am - 9:55 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
11h 45m2 stops Denver Intl Orlando
$573Southwest
Fri, Nov 13 - Mon, Nov 30
American Airlines Logo
1:40 pm - 11:42 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
14h 02m2 stops Miami Dallas/Fort Worth
American Airlines Logo
9:14 pm - 10:41 amSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
9h 27m1 stop Miami
$574American Airlines
Mon, Dec 7 - Sat, Dec 12
American Airlines Logo
6:28 am - 10:38 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
20h 10m1 stop Dallas/Fort Worth
American Airlines Logo
9:45 pm - 9:33 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
19h 48m1 stop Charlotte Douglas
$574American Airlines
Wed, Nov 18 - Tue, Nov 24
United Airlines Logo
1:00 pm - 9:39 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
12h 39m1 stop Newark
United Airlines Logo
5:05 am - 6:25 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
9h 20m1 stop Denver Intl
$574United Airlines
Wed, Nov 18 - Tue, Nov 24
United Airlines Logo
3:46 pm - 10:51 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
11h 05m1 stop Houston George Bush Intcntl
United Airlines Logo
5:05 am - 6:25 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
9h 20m1 stop Denver Intl
$574United Airlines
Wed, Jan 20 - Mon, Jan 25
Delta Logo
7:00 am - 8:27 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
17h 27m2 stops New York John F Kennedy Intl Minneapolis St Paul
Delta Logo
7:35 pm - 1:05 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
13h 30m2 stops Salt Lake City New York John F Kennedy Intl
$574Delta
Wed, Jan 20 - Mon, Jan 25
Delta Logo
7:00 am - 7:23 pmSJU  San Juan Luis Munoz Marin Intl-SEA Seattle/Tacoma Intl
16h 23m1 stop New York John F Kennedy Intl
Delta Logo
7:15 am - 11:55 pmSEA  Seattle/Tacoma Intl-SJU San Juan Luis Munoz Marin Intl
12h 40m1 stop New York John F Kennedy Intl
$574Delta
Booking Insights

Price, demand and travel trends for San Juan Luis Munoz Marin Intl Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Juan Luis Munoz Marin Intl Airport to Seattle?

Round-trip flights from San Juan Luis Munoz Marin Intl Airport to Seattle typically range from $493 to $643. The lowest price found in the past 5 days was $426, on Frontier.

What's the cheapest day of the week to fly from San Juan Luis Munoz Marin Intl Airport to Seattle?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from San Juan Luis Munoz Marin Intl Airport to Seattle. It’s 7% cheaper than the average day, while Monday is the most expensive, with prices 7% higher.

What’s the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Seattle?

•February is the cheapest month to fly from San Juan Luis Munoz Marin Intl Airport to Seattle at $384 round-trip.
•November ($634) and March ($634) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 65% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Juan Luis Munoz Marin Intl Airport to Seattle the cheapest?

Flights from San Juan Luis Munoz Marin Intl Airport to Seattle are cheapest 15 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for San Juan Luis Munoz Marin Intl Airport to Seattle flights

Low season

February

Cheapest flight

$196
Beat the crowds with an average 61% drop in travelers.
The most popular month to fly with an average 81% increase in travelers.
One-way flight from San Juan Luis Munoz Marin Intl Airport to Seattle

When to book flights from San Juan to Seattle

Are your dates flexible? Find out the best times to travel from San Juan to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your San Juan Luis Munoz Marin Intl Airport to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from San Juan Luis Munoz Marin Intl Airport to Seattle?

    Two cabin classes are available on flights from San Juan Luis Munoz Marin Intl Airport to Seattle:

    • Economy Class
    • First Class

  • How long is a flight from San Juan Luis Munoz Marin Intl Airport to Seattle?

    A nonstop flight from San Juan Luis Munoz Marin Intl Airport to Seattle takes 00m, covering 3,723 miles.

  • Do I need a passport to fly from San Juan Luis Munoz Marin Intl Airport to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a San Juan Luis Munoz Marin Intl Airport to Seattle flight?

    Round-trip flights from San Juan Luis Munoz Marin Intl Airport to Seattle range from $493 to $643, with an average of $585 over the past 12 months. Anything below $493 counts as a good deal.

  • How expensive are last-minute San Juan Luis Munoz Marin Intl Airport to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 32% above the $585 route average. Book 15 weeks before departure for the lowest fares.

  • Have flight prices from San Juan Luis Munoz Marin Intl Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $426 to $2,508. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from San Juan Luis Munoz Marin Intl Airport to Seattle looking right now?

    One-way fares from San Juan Luis Munoz Marin Intl Airport to Seattle are currently lower than usual. Average one-way flight prices are about $271, which is 24% below the typical average for this route.

  • What car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Hertz

  • Which airports can I use when flying from San Juan Luis Munoz Marin Intl Airport to Seattle?

    Flights from San Juan Luis Munoz Marin Intl Airport to Seattle usually depart from San Juan Luis Munoz Marin Intl (SJU) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airports do connecting flights from San Juan Luis Munoz Marin Intl Airport to Seattle pass through?

    One-stop flights from San Juan Luis Munoz Marin Intl Airport to Seattle most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 36% of one-stop connections
    • Miami (MIA) - 13% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 8% of one-stop connections
    • New York John F Kennedy Intl (JFK) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from San Juan Luis Munoz Marin Intl Airport to Seattle?

    Yes. Flexible dates can save you up to 13% on flights from San Juan Luis Munoz Marin Intl Airport to Seattle. Friday is the cheapest departure day at $549 round-trip on average, while Monday is the most expensive at $628, a difference of $79.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from San Juan Luis Munoz Marin Intl Airport to Seattle?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 10h 25m, compared with 10h 37m via Washington, D.C. Dulles Intl (IAD) and 10h 38m via Denver Intl (DEN).

  • What is the time difference between San Juan Luis Munoz Marin Intl Airport and Seattle?

    Seattle is 3 hours behind San Juan Luis Munoz Marin Intl Airport (Pacific Time vs Atlantic Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Lumen Field and Space Needle. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking San Juan Luis Munoz Marin Intl Airport to Seattle flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Monday. On this route, Friday flights average $549, about $79 less than Monday fares (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Juan Luis Munoz Marin Intl Airport to Seattle trip for February. Fares historically average $384 round-trip in that month - typically $250 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from San Juan to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle