Cheap Flights from Seattle (SEA) to Alenquer (ALT)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Alenquer (ALT)

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Alenquer (ALT) cost?
Lock in a cheap one-way flight or cheap return flight from Seattle - Tacoma Intl. Airport (SEA) to Alenquer (ALT) 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 Alenquer (ALT)?
Traveling in may help you find better deals, as it's the cheapest month for flights between SEA and ALT. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Alenquer (ALT)?
To find the cheapest airline that'll fly you from SEA to ALT, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Alenquer (ALT)?
You'll need to take a flight with a layover when traveling from Seattle - Tacoma Intl. Airport (SEA) to Alenquer (ALT). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SEA to ALT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the time of year and carrier.*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 Alenquer (ALT)?
To touch down at Alenquer (ALT) on time, pick a flight that leaves Seattle - Tacoma Intl. Airport (SEA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Alenquer (ALT) last-minute?
Booking your plane ticket from SEA to ALT right before your getaway is usually more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Alenquer (ALT)?
If you booked your SEA to ALT flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Alenquer
Distance
5286 mi

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Seattle to Alenquer Flights

The cheapest times to fly from Seattle to Alenquer

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

 

The best time to book a flight from Seattle to Alenquer

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

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 Alenquer 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 Alenquer 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 Alenquer 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 Alenquer Flights

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*Available to One Key members.