$588 Cheap Flights from Seattle (SEA) to Porto Santo (PXO)

View $588 flight on Tue, May 5, 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Porto Santo (PXO)

Cheap Flights from Seattle to Porto Santo (SEA-PXO)

Prices were available within the past 7 days and start at $588 for one-way flights and $711 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Mar 31 - Mon, Apr 6
SEA
Seattle
PXO
Porto Santo
$711 Roundtrip, found 5 days ago
$711
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Mar 31 from Seattle to Porto Santo, returning Mon, Apr 6, priced at $711 found 5 days ago
Lufthansa
Tue, Mar 31 - Sun, Apr 5
SEA
Seattle
PXO
Porto Santo
$771 Roundtrip, found 5 days ago
$771
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Tue, Mar 31 from Seattle to Porto Santo, returning Sun, Apr 5, priced at $771 found 5 days ago
Air Canada
Fri, May 8 - Mon, May 11
SEA
Seattle
PXO
Porto Santo
$790 Roundtrip, found 1 day ago
$790
Roundtrip
found 1 day ago
Select Air Canada flight, departing Fri, May 8 from Seattle to Porto Santo, returning Mon, May 11, priced at $790 found 1 day ago
Lufthansa
Fri, May 8 - Sun, May 17
SEA
Seattle
PXO
Porto Santo
$820 Roundtrip, found 6 days ago
$820
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, May 8 from Seattle to Porto Santo, returning Sun, May 17, priced at $820 found 6 days ago
Lufthansa
Fri, May 8 - Sat, May 16
SEA
Seattle
PXO
Porto Santo
$835 Roundtrip, found 6 days ago
$835
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, May 8 from Seattle to Porto Santo, returning Sat, May 16, priced at $835 found 6 days ago
Lufthansa
Fri, May 8 - Thu, May 14
SEA
Seattle
PXO
Porto Santo
$841 Roundtrip, found 1 day ago
$841
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, May 8 from Seattle to Porto Santo, returning Thu, May 14, priced at $841 found 1 day ago
Lufthansa
Fri, May 8 - Thu, May 14
SEA
Seattle
PXO
Porto Santo
$843 Roundtrip, found 1 day ago
$843
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, May 8 from Seattle to Porto Santo, returning Thu, May 14, priced at $843 found 1 day ago
Lufthansa
Fri, May 8 - Thu, May 14
SEA
Seattle
PXO
Porto Santo
$847 Roundtrip, found 1 day ago
$847
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Fri, May 8 from Seattle to Porto Santo, returning Thu, May 14, priced at $847 found 1 day ago
TAP Portugal
Tue, May 5 - Thu, May 14
SEA
Seattle
PXO
Porto Santo
$1,178 Roundtrip, found 1 day ago
$1,178
Roundtrip
found 1 day ago
Select TAP Portugal flight, departing Tue, May 5 from Seattle to Porto Santo, returning Thu, May 14, priced at $1,178 found 1 day ago
Turkish Airlines
Thu, May 7 - Sun, May 17
SEA
Seattle
PXO
Porto Santo
$1,403 Roundtrip, found 6 days ago
$1,403
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Thu, May 7 from Seattle to Porto Santo, returning Sun, May 17, priced at $1,403 found 6 days ago
Flights from Seattle (SEA) to Porto Santo (PXO)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Porto Santo
Airlines serving
TAP Portugal
Roundtrip price
$711
Distance
5233 mi

Seattle to Porto Santo Flights

The cheapest times to fly from Seattle to Porto Santo

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 Porto Santo are during the month of March. You can find some of the cheapest flights from Seattle to Porto Santo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Porto Santo

Sunday is one of the best days to book for cheap flights from Seattle to Porto Santo: 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 Porto Santo

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 Porto Santo in 2026. You can also book with separate airlines for your outbound and return journeys, from $588 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 Porto Santo 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 Porto Santo 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 Porto Santo Airport (PXO) cost?
Snag a cheap one-way flight from $588 or cheap return flight from $711 from Seattle - Tacoma Intl. Airport (SEA) to Porto Santo Airport (PXO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Porto Santo Airport (PXO)?
The cheapest month to fly from SEA to PXO is March, when there's less demand. Off-peak months are often when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Porto Santo Airport (PXO)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to PXO flight.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Porto Santo Airport (PXO)?
You'll have to take a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Porto Santo Airport (PXO). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from SEA to PXO?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, airline and other factors.*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 Porto Santo Airport (PXO)?
Choose a flight from Seattle - Tacoma Intl. Airport (SEA) to Porto Santo Airport (PXO) 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 Porto Santo Airport (PXO) last-minute?
Waiting until right before your break to book a flight from SEA to PXO often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book a SEA to PXO flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to PXO flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place takes the hassle out of planning your trip. Just pick your flights and choose from our extensive range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Porto Santo Airport (PXO)?
You can usually reschedule or cancel your SEA to PXO flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.