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Uncover the best deals on Seattle to San Juan flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest SEA - SJU Flights
Useful information for finding best airline tickets from Seattle Tacoma International to Luis Munoz Marin International on your next trip.
Cheapest Round Trip Flight
$263
Southwest Airlines
• 2 stops
• 16h 55m
Jul 21 – Jul 28
The cheapest round trip flight from Seattle to San Juan (SEA-SJU-SEA) is currently $263
Fastest Flight
16h 50m
The fastest nonstop flight from Seattle to San Juan (SEA-SJU) takes 16h 50m
Top Airlines Flying from Seattle to San Juan
Latest Flight Deals from Seattle (SEA) to San Juan (SJU)
Compare and book low fare round-trip air tickets from Seattle to San Juan. Ideal for travelers with confirmed return itineraries.
Jul 21 - Jul 28, Economy
Seattle → San Juan
16h 55m
6:30 AM - 12:20 AM • 2 stops
Seattle → San Juan
20h 5m
9:50 AM - 11:15 PM • 3 stops
Southwest Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
16h 50m
12:45 PM - 9:00 AM • 2 stops
Seattle → San Juan
20h 5m
9:50 AM - 11:15 PM • 3 stops
Southwest Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
- • 1 stop
Seattle → San Juan
- • 1 stop
United Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
21h 50m
7:06 PM - 11:16 AM • 2 stops
Seattle → San Juan
72h 34m
5:45 PM - 10:39 AM • 2 stops
Frontier Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
22h 7m
12:35 PM - 5:02 AM • 2 stops
Seattle → San Juan
28h 54m
7:59 PM - 10:33 AM • 1 stop
Frontier Airlines
Flying to San Juan soon? We've surfaced some of the most affordable last-minute flights from Seattle to San Juan, ideal for urgent plans or spontaneous trips.
Jul 21 - Jul 28, Economy
Seattle → San Juan
16h 55m
6:30 AM - 12:20 AM • 2 stops
Seattle → San Juan
20h 5m
9:50 AM - 11:15 PM • 3 stops
Southwest Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
16h 50m
12:45 PM - 9:00 AM • 2 stops
Seattle → San Juan
20h 5m
9:50 AM - 11:15 PM • 3 stops
Southwest Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
- • 1 stop
Seattle → San Juan
- • 1 stop
United Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
21h 50m
7:06 PM - 11:16 AM • 2 stops
Seattle → San Juan
72h 34m
5:45 PM - 10:39 AM • 2 stops
Frontier Airlines
Jul 21 - Jul 28, Economy
Seattle → San Juan
22h 7m
12:35 PM - 5:02 AM • 2 stops
Seattle → San Juan
28h 54m
7:59 PM - 10:33 AM • 1 stop
Frontier Airlines
FAQs on Seattle to San Juan Flights
What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to SJU?
The most popular airline flying from Seattle to San Juan are
Can I fly from SEA to SJU non-stop?
NO
Which airlines fly nonstop between Seattle and San Juan?
The non-stop flights between Seattle and San Juan are .
What’s the earliest departure time from SEA to SJU Airport?
The earliest flight leaves SEA at 6:30 am and lands in SJU - Luis Munoz Marin International
What are the airports in San Juan?
SJU
Can I make changes to my Seattle to San Juan flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to SJU?
Read the fare rules of the Seattle to San Juan air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and San Juan?
operate flights between Seattle and San Juan
How long does a flight from Seattle to San Juan take?
It takes approximately 8 hour to fly non-stop from SEA to SJU, which is 3728.43 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to San Juan (SJU) ?
In the past couple of days, the cheapest tickets to SJU from SEA were found on WN : USD 263
Do I need a passport to fly between SEA and SJU?
Yes
What’s the latest departure time from SEA to SJU ?
The last flight leaves SEA at 9:500 pm
Seattle (SEA) to San Juan (SJU): Airport Information
| Origin Airport | Seattle Tacoma International , Seattle, US |
| Destination Airport | Luis Munoz Marin International , San Juan, PR |
| Distance | 3728 miles |
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