$419 Cheap Flights from Seattle (SEA) to Santa Maria Island (SMA)

View $419 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Santa Maria Island (SMA-Vila Do Porto)

Cheap Flights from Seattle to Santa Maria Island (SEA-SMA)

Prices were available within the past 7 days and start at $419 for one-way flights and $1,101 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Nov 3 - Fri, Nov 7
SEA
Seattle
SMA
Santa Maria Island
$1,101 Roundtrip, found 5 days ago
$1,101
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Seattle to Santa Maria Island, returning Fri, Nov 7, priced at $1,101 found 5 days ago
Alaska Airlines
Mon, Nov 3 - Fri, Nov 7
SEA
Seattle
SMA
Santa Maria Island
$1,224 Roundtrip, found 5 days ago
$1,224
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Nov 3 from Seattle to Santa Maria Island, returning Fri, Nov 7, priced at $1,224 found 5 days ago
Flights from Seattle (SEA) to Santa Maria Island (SMA)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Vila Do Porto
Roundtrip price
$1,101
Distance
4692 mi

Seattle to Santa Maria Island Flights

The cheapest times to fly from Seattle to Santa Maria Island

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 Santa Maria Island are during the month of November. You can find some of the cheapest flights from Seattle to Santa Maria Island with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Santa Maria Island

Sunday is one of the best days to book for cheap flights from Seattle to Santa Maria Island: 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 Santa Maria Island

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 Santa Maria Island in 2025. You can also book with separate airlines for your outbound and return journeys, from $419 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 Santa Maria Island 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 Santa Maria Island 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Vila Do Porto Airport (SMA) cost?
Secure a cheap one-way flight from $419 or cheap return flight from $1,101 from Seattle - Tacoma Intl. Airport (SEA) to Vila Do Porto Airport (SMA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Vila Do Porto Airport (SMA)?
November is the cheapest month to fly from SEA to SMA. Traveling during an off-peak travel window is often the key to finding better deals on flights.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Vila Do Porto Airport (SMA)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll take you from SEA to SMA. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Vila Do Porto Airport (SMA)?
Nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to Vila Do Porto Airport (SMA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SEA to SMA?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on various factors, such as the airline and season.*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 Vila Do Porto Airport (SMA)?
To land at Vila Do Porto Airport (SMA) on time, pick a flight that leaves from Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Vila Do Porto Airport (SMA) last-minute?
Booking your plane ticket from SEA to SMA just before your journey is generally more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a SEA to SMA flight and hotel package?
Securing a SEA to SMA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of hotels and then add flights, car rentals 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 Vila Do Porto Airport (SMA)?
In most cases, you can cancel or modify your SEA to SMA flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.