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

Popular airlines from Seattle-Tacoma International Airport (SEA) to San Juan (UAQ-Domingo Faustino Sarmiento)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ) cost?
Secure a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ)?
is the most affordable month to fly from SEA to UAQ. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to UAQ. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ)?
You'll have to hop on a flight with a layover if you're traveling from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SEA to UAQ?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ)?
Book a flight from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ) last-minute?
Last-minute bookings from SEA to UAQ are usually more expensive. For the lowest rates, start searching for flights early. That said, if you can play around with your travel dates, you may score a cheap fare right before you leave.
Is it cheaper to book a SEA to UAQ flight and hotel package?
Securing a SEA to UAQ flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Domingo Faustino Sarmiento Airport (UAQ)?
Usually, it's possible to cancel or reschedule your SEA to UAQ flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Domingo Faustino Sarmiento
Distance
6400 mi

Book with confidence

Book with confidence

Seattle to San Juan Flights

The cheapest times to fly from Seattle to San Juan

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to San Juan are during the month of . You can find some of the cheapest flights from Seattle to San Juan with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to San Juan

Sunday is one of the best days to book for cheap flights from Seattle to San Juan: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to San Juan

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to San Juan in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to San Juan flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to San Juan airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to San Juan Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.