£230 Cheap Flights from Seattle (SEA) to San Juan (SJU)

You can find one-way and return flights from SEA to SJU with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to SJU ticket fares go up or down.

The cheapest months to fly from Seattle, WA (SEA) to San Juan (SJU) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter SEA to SJU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Seattle, WA (SEA) to San Juan (SJU), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The cheapest months to fly from Seattle - Tacoma Intl. (SEA) to San Juan (SJU) are typically September and January, with average return flights costing around £353. These months are often ideal for finding good value as they fall outside peak holiday travel periods, allowing you to enjoy San Juan without the highest prices.

The earliest flight from Seattle - Tacoma Intl. (SEA) to Luis Munoz Marin Intl. (SJU) typically departs around 12:05 AM local time. This service is operated by American Airlines. Please note that this is a seasonal service, active in February and March. An early departure like this can be great for maximising your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

There are no nonstop flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Juan (SJU-Luis Munoz Marin Intl.). The distance between these two cities is approximately 5,995 kilometers. Flights with one stop typically take around 10 hours 30 minutes. If you opt for a flight with two or more stops, your travel time will be longer, usually around 13 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.

Select the "Business class" and "First class" filters when looking for Seattle, WA (SEA) to San Juan (SJU) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to San Juan from Seattle - Tacoma Intl. (SEA), you can fly directly into Luis Munoz Marin Intl. (SJU). Some flights may connect through major hubs like Denver Intl. (DEN), Midway Intl. (MDW), or Sky Harbor Intl. (PHX) before reaching San Juan. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Seattle, WA (SEA) to San Juan (SJU) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.